moving coil

简明释义

可动线圈

英英释义

例句

1.The speaker uses a moving coil to convert electrical energy into sound waves.

扬声器使用动圈将电能转换为声波。

2.A moving coil design allows for a lightweight and efficient audio system.

动圈设计使音频系统轻便且高效。

3.The moving coil mechanism in this turntable enhances sound quality significantly.

这款唱机中的动圈机制显著提高了音质。

4.In many microphones, a moving coil is essential for capturing sound accurately.

在许多麦克风中，动圈对准确捕捉声音至关重要。

5.When repairing the guitar amplifier, I found the moving coil speaker was damaged.

在修理吉他放大器时，我发现动圈扬声器损坏了。

作文

The concept of a moving coil is fundamental in various fields of physics and engineering, particularly in the design of electrical devices such as speakers and microphones. A moving coil refers to a coil of wire that moves within a magnetic field, generating an electric current as it does so. This principle is based on Faraday's law of electromagnetic induction, which states that a change in magnetic flux can induce an electromotive force (EMF) in a conductor. In audio applications, a moving coil dynamic microphone uses this principle to convert sound waves into electrical signals. When sound waves hit the diaphragm of the microphone, it vibrates, causing the attached moving coil to move within a magnetic field. This movement generates an electrical signal that corresponds to the sound wave, allowing for accurate sound reproduction. The moving coil design is preferred by many audio professionals due to its durability and ability to handle high sound pressure levels without distortion.Similarly, in loudspeakers, a moving coil driver works on the same principle. An electrical signal is sent through the coil, which creates a magnetic field that interacts with a permanent magnet. This interaction causes the moving coil to vibrate, producing sound waves. The efficiency and fidelity of sound reproduction in speakers are heavily reliant on the design and quality of the moving coil mechanism.Moreover, the moving coil technology is not limited to audio devices. It also finds applications in measuring instruments, such as galvanometers and oscilloscopes. In these devices, a moving coil is used to measure current or voltage by moving in response to the electromagnetic forces generated by the electrical signals being measured. The deflection of the moving coil provides a visual representation of the electrical quantity being measured, making it a crucial component in many scientific and industrial applications.Understanding the mechanics behind the moving coil system can also lead to advancements in technology. For instance, innovations in materials and design can enhance the performance of moving coil devices, resulting in better sound quality in audio equipment or more accurate measurements in scientific instruments. As research continues, we may see even more sophisticated uses of moving coil technology, potentially leading to breakthroughs in how we interact with sound and electrical measurements.In conclusion, the moving coil is a vital component in numerous technologies that impact our daily lives. Its application in microphones and speakers allows us to experience music and sound in a powerful way, while its role in measurement instruments aids scientists and engineers in their work. By grasping the principles behind the moving coil, we can appreciate the intricate relationship between physics and technology, paving the way for future innovations that harness this fundamental concept.

“移动线圈”这一概念在物理学和工程学的多个领域中是基础，特别是在扬声器和麦克风等电气设备的设计中。“移动线圈”指的是在磁场中移动的线圈，当它移动时会产生电流。这个原理基于法拉第电磁感应定律，该定律指出，磁通量的变化可以在导体中感应出电动势（EMF）。在音频应用中，动态麦克风使用“移动线圈”原理将声波转换为电信号。当声波撞击麦克风的振膜时，它会振动，导致附着的“移动线圈”在磁场中移动。这种运动生成与声波相对应的电信号，从而实现准确的声音再现。“移动线圈”设计因其耐用性和处理高声压水平的能力而受到许多音频专业人士的青睐。同样，在扬声器中，“移动线圈”驱动器也是基于相同的原理。电信号通过线圈发送，产生一个与永久磁铁相互作用的磁场。这种相互作用使“移动线圈”振动，产生声波。扬声器的效率和声音再现的保真度在很大程度上依赖于“移动线圈”机制的设计和质量。此外，“移动线圈”技术并不仅限于音频设备。它还在测量仪器中找到应用，例如电流计和示波器。在这些设备中，使用“移动线圈”来通过响应电信号产生的电磁力来测量电流或电压。“移动线圈”的偏转提供了被测电量的可视化表示，使其成为许多科学和工业应用中的关键组件。理解“移动线圈”系统背后的机制也可以推动技术的进步。例如，材料和设计的创新可以提高“移动线圈”设备的性能，从而改善音频设备的音质或科学仪器的测量精度。随着研究的继续，我们可能会看到“移动线圈”技术的更复杂应用，可能会导致我们与声音和电测量互动的突破。总之，“移动线圈”是影响我们日常生活的众多技术中的重要组成部分。它在麦克风和扬声器中的应用使我们能够以强大的方式体验音乐和声音，而它在测量仪器中的作用则帮助科学家和工程师完成他们的工作。通过掌握“移动线圈”背后的原理，我们可以欣赏物理学与技术之间的复杂关系，为未来利用这一基本概念的创新铺平道路。