1. Sound Converter Sound Converter is one of the most common applications. Piezoelectric ceramics can be used as sound transducers for pickups, microphones, earphones, buzzers, ultrasonic depth detectors, sonar, and ultrasonic flaw detectors. For example, a buzzer on a children's toy is a current that vibrates through the inverse piezoelectric effect of the piezoelectric ceramic, and emits a sound that can be heard by the human ear. Piezoelectric ceramics can generate vibrations of different frequencies through the control of electronic circuits, thereby emitting various sounds. For example, an electronic music greeting card converts an AC audio signal into a sound signal through an inverse piezoelectric effect.
2, piezoelectric detonator Since the British World War I invented the tank in the First World War, and the first use of the French Somme in the battle of the German army, the tank in a number of battles. However, in the 1960s and 1970s, due to the invention of anti-tank weapons, the tank lost its former glory. When the anti-tank gun's armor-piercing projectile touches the tank, it will immediately explode and blow up the tank. This is because the warhead is equipped with piezoelectric ceramics, which can transform the powerful mechanical force at the time of collision into an instantaneous high voltage, which sparks and detonates the explosive.
3. A new type of electronic lighter used in the piezoelectric lighter gas stove is made of piezoelectric ceramics. As long as the ignition button is pressed with a finger, the piezoelectric ceramic on the lighter can generate a high voltage, form an electric spark and ignite the gas, which can be used for a long time. Therefore, the piezoelectric lighter is not only convenient to use, safe and reliable, but also has a long service life. For example, a lighter made of a lead titanate piezoelectric ceramic can be used for more than one million times. [2]
4. After the nuclear tester with anti-nuclear goggles carries the goggles made of transparent piezoelectric ceramics, when the optical radiation generated by the nuclear explosion reaches a dangerous level, the piezoelectric ceramic in the goggles turns it into a transient high voltage. Electricity, in 1/1000 s, can reduce the light intensity to only 1/10000. When the dangerous light disappears, it can return to its original state. The goggles are simple in structure and only a few tens of grams in weight. They are easy to carry on the anti-nuclear eye protection helmet.
2, piezoelectric detonator Since the British World War I invented the tank in the First World War, and the first use of the French Somme in the battle of the German army, the tank in a number of battles. However, in the 1960s and 1970s, due to the invention of anti-tank weapons, the tank lost its former glory. When the anti-tank gun's armor-piercing projectile touches the tank, it will immediately explode and blow up the tank. This is because the warhead is equipped with piezoelectric ceramics, which can transform the powerful mechanical force at the time of collision into an instantaneous high voltage, which sparks and detonates the explosive.
3. A new type of electronic lighter used in the piezoelectric lighter gas stove is made of piezoelectric ceramics. As long as the ignition button is pressed with a finger, the piezoelectric ceramic on the lighter can generate a high voltage, form an electric spark and ignite the gas, which can be used for a long time. Therefore, the piezoelectric lighter is not only convenient to use, safe and reliable, but also has a long service life. For example, a lighter made of a lead titanate piezoelectric ceramic can be used for more than one million times. [2]
4. After the nuclear tester with anti-nuclear goggles carries the goggles made of transparent piezoelectric ceramics, when the optical radiation generated by the nuclear explosion reaches a dangerous level, the piezoelectric ceramic in the goggles turns it into a transient high voltage. Electricity, in 1/1000 s, can reduce the light intensity to only 1/10000. When the dangerous light disappears, it can return to its original state. The goggles are simple in structure and only a few tens of grams in weight. They are easy to carry on the anti-nuclear eye protection helmet.
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