moving coil

简明释义

动圈式

英英释义

例句

1.In many dynamic microphones, the moving coil 动圈 converts sound waves into electrical signals.

在许多动态麦克风中，动圈将声波转换为电信号。

2.The sound quality of the speaker is largely determined by the design of the moving coil 动圈 mechanism.

扬声器的音质在很大程度上取决于动圈机制的设计。

3.The moving coil 动圈 technology is widely used in headphones for better sound reproduction.

为了更好的声音再现，动圈技术被广泛应用于耳机中。

4.The moving coil 动圈 in the loudspeaker vibrates in response to the audio signal.

扬声器中的动圈会对音频信号产生振动。

5.An electric guitar often uses a pickup that employs a moving coil 动圈 to capture string vibrations.

电吉他通常使用一种拾音器，利用动圈捕捉弦的振动。

作文

The concept of a moving coil is fundamental in the field of electromagnetism and is widely used in various applications, especially in audio equipment and measuring instruments. To understand the significance of a moving coil, we must first explore its basic principles and functionalities. The moving coil mechanism operates on the principles of electromagnetic induction, where a coil of wire is placed within a magnetic field. When an electric current passes through the coil, it generates a magnetic field around it, which interacts with the external magnetic field. This interaction causes the coil to move, and this movement can be converted into mechanical energy or sound, depending on the application.In audio devices, such as loudspeakers, the moving coil design is particularly prominent. A typical loudspeaker contains a diaphragm attached to a moving coil. As electrical signals pass through the coil, it moves back and forth within the magnetic field, causing the diaphragm to vibrate. These vibrations create sound waves that we hear as music or speech. The efficiency and quality of sound reproduction in a loudspeaker heavily depend on the design and construction of the moving coil.Moreover, the moving coil principle is also utilized in microphones, specifically dynamic microphones. In these devices, sound waves cause a diaphragm to vibrate, which in turn moves the moving coil within a magnetic field. This movement generates an electrical signal that corresponds to the sound wave, allowing for accurate sound capture. The simplicity and robustness of the moving coil design make it a preferred choice for many audio applications.Beyond audio technology, the moving coil concept finds its place in measuring instruments, such as galvanometers and ammeters. In these devices, the moving coil is used to measure electrical current. When current flows through the coil, it experiences a torque due to the magnetic field, causing it to rotate. The degree of rotation is proportional to the amount of current flowing through the coil, allowing for precise measurements. This application highlights the versatility of the moving coil in both generating sound and measuring electrical properties.In conclusion, the moving coil is an essential component in various technologies that rely on electromagnetic principles. Its ability to convert electrical energy into mechanical motion or sound makes it invaluable in audio equipment and measurement devices. Understanding the functionality of the moving coil not only enhances our knowledge of these technologies but also allows us to appreciate the intricate designs that enable them to work effectively. As technology continues to evolve, the moving coil will undoubtedly remain a critical element in both existing and future innovations in the fields of audio and electrical measurement.

“动圈”这一概念在电磁学领域中具有基础性的重要性，广泛应用于各种设备，特别是在音频设备和测量仪器中。要理解“动圈”的重要性，我们必须首先探讨其基本原理和功能。“动圈”机制基于电磁感应原理，其中一根线圈放置在磁场中。当电流通过线圈时，它会在周围产生一个磁场，这个磁场与外部磁场相互作用。这种相互作用导致线圈运动，而这种运动可以转化为机械能或声音，具体取决于应用场景。在音频设备中，例如扬声器，“动圈”设计尤其突出。典型的扬声器包含一个连接到“动圈”的振膜。当电信号通过线圈时，它在磁场中来回移动，导致振膜振动。这些振动产生我们听到的音乐或语言的声波。扬声器中声音再现的效率和质量在很大程度上依赖于“动圈”的设计和构造。此外，“动圈”原理也用于测量仪器，例如电流计和安培计。在这些设备中，“动圈”用于测量电流。当电流流经线圈时，由于磁场的作用，线圈会产生扭矩，导致其旋转。旋转的角度与流经线圈的电流量成正比，从而实现精确测量。这一应用突显了“动圈”在生成声音和测量电气特性方面的多功能性。总之，“动圈”是依赖电磁原理的各种技术中的一个重要组成部分。它将电能转化为机械运动或声音的能力，使其在音频设备和测量设备中不可或缺。理解“动圈”的功能不仅增强了我们对这些技术的认识，也使我们能够欣赏使其有效工作的复杂设计。随着技术的不断发展，“动圈”无疑将在音频和电气测量领域的现有和未来创新中继续扮演关键角色。