piezoelectric vibrator

简明释义

压电振动器

英英释义

例句

1.The alarm system uses a piezoelectric vibrator to produce loud sounds when triggered.

该警报系统使用压电振动器在触发时产生响亮的声音。

2.A piezoelectric vibrator is essential in creating precise movements in robotic arms.

在机器人手臂中，压电振动器对于产生精确运动至关重要。

3.The research team developed a new piezoelectric vibrator that improves energy efficiency.

研究团队开发了一种新的压电振动器，提高了能量效率。

4.The smartphone's haptic feedback feature relies on a piezoelectric vibrator for vibrations.

智能手机的触觉反馈功能依赖于压电振动器产生震动。

5.In medical ultrasound devices, a piezoelectric vibrator converts electrical signals into sound waves.

在医疗超声设备中，压电振动器将电信号转换为声波。

作文

In the world of modern technology, various devices rely on innovative principles to function effectively. One such principle is piezoelectricity, which is a phenomenon where certain materials generate an electric charge in response to applied mechanical stress. This property has led to the development of numerous applications, including sensors, actuators, and, notably, the piezoelectric vibrator (压电振动器). The piezoelectric vibrator plays a crucial role in converting electrical energy into mechanical vibrations, making it an essential component in many electronic devices.The functioning of a piezoelectric vibrator is based on the piezoelectric effect, discovered by Pierre and Jacques Curie in the late 19th century. When pressure is applied to certain crystalline materials like quartz or certain ceramics, they distort slightly, creating an electrical charge. Conversely, when an electric field is applied, these materials change shape, causing them to vibrate. This dual functionality makes piezoelectric vibrators incredibly versatile.One of the most common applications of piezoelectric vibrators is in mobile phones. These devices utilize small piezoelectric vibrators to produce sound. When a phone receives a call, the electronic signals are converted into vibrations by the piezoelectric vibrator, allowing users to hear ringtones or notifications. This technology not only enhances communication but also contributes to the compact design of modern smartphones, as these vibrators can be made very small yet efficient.Another significant application is in medical ultrasound equipment. Here, piezoelectric vibrators are used to generate sound waves that penetrate the body, allowing for non-invasive imaging techniques. The ability to produce precise frequencies and amplitudes makes piezoelectric vibrators ideal for creating the high-frequency sound waves required for clear imaging. This has revolutionized diagnostics and prenatal care, providing vital information without the need for invasive procedures.Additionally, piezoelectric vibrators are employed in various industrial applications. They are used in ultrasonic cleaning devices, where high-frequency vibrations help remove dirt and contaminants from delicate items. This process is particularly useful in industries such as jewelry, electronics, and medical instrument cleaning, where traditional cleaning methods may be ineffective.Furthermore, research continues to explore new materials and designs for piezoelectric vibrators. Advances in nanotechnology have led to the development of nanoscale piezoelectric vibrators, which can be used in microelectromechanical systems (MEMS). These tiny devices can perform tasks at a microscopic level, opening up possibilities for innovations in robotics, aerospace, and consumer electronics.In conclusion, the piezoelectric vibrator (压电振动器) is a remarkable invention that showcases the intersection of physics and engineering. Its ability to convert electrical energy into mechanical vibrations has made it indispensable in various fields, from telecommunications to medical imaging and industrial cleaning. As technology advances, the potential applications of piezoelectric vibrators will likely expand, continuing to enhance our daily lives and pushing the boundaries of what is possible in engineering and science.