deflection coil

简明释义

偏转线圈

英英释义

A deflection coil is an electromagnetic coil used in cathode ray tubes (CRTs) and other devices to control the direction of the electron beam, allowing for the manipulation of images on a screen.

偏转线圈是一种电磁线圈,用于阴极射线管(CRT)和其他设备中,以控制电子束的方向,从而实现对屏幕上图像的操控。

例句

1.The deflection coil is crucial for achieving precise control in cathode ray tubes.

在阴极射线管中,偏转线圈对实现精确控制至关重要。

2.When adjusting the deflection coil, ensure that the settings are calibrated for optimal performance.

在调整偏转线圈时,确保设置经过校准以获得最佳性能。

3.Technicians often replace the deflection coil during repairs of older CRT televisions.

技术人员在修理旧款CRT电视时经常更换偏转线圈

4.The monitor uses a deflection coil to steer the electron beam across the screen.

该显示器使用偏转线圈来引导电子束穿过屏幕。

5.A malfunctioning deflection coil can cause distortion in the displayed image.

故障的偏转线圈可能会导致显示图像的扭曲。

作文

In the realm of electronics and physics, various components play crucial roles in the functioning of devices we often take for granted. One such component is the deflection coil, which is integral to the operation of cathode ray tubes (CRTs) commonly used in older television sets and computer monitors. The deflection coil is a type of electromagnet that creates magnetic fields to direct the path of charged particles, such as electrons, within the CRT. This manipulation of electron beams allows for the creation of images on screen by controlling where the beams strike the phosphorescent surface. Understanding how a deflection coil works requires some knowledge of electromagnetic principles. When an electric current flows through the coil, it generates a magnetic field around it. The strength and direction of this field can be adjusted by varying the current, which in turn alters the trajectory of the electron beam. This principle is not only fundamental to CRT technology but also finds applications in other areas such as oscilloscopes and radar systems.The design of the deflection coil is typically comprised of multiple turns of wire wound into a specific shape. This configuration enhances the magnetic field produced when current passes through it. In television sets, there are usually two coils: one for horizontal deflection and another for vertical deflection. The horizontal deflection coil controls the left-to-right movement of the electron beam, while the vertical deflection coil manages the up-and-down movement. Together, they allow for the precise positioning of the electron beam across the screen, enabling the display of images with clarity and detail.Despite its importance, the deflection coil is often overlooked in discussions about modern display technology. With the advent of flat-screen technologies such as LCD and OLED, the reliance on CRTs has diminished significantly. However, understanding the deflection coil provides insight into the evolution of display technology and the engineering challenges faced by developers in the past. It highlights the innovative methods used to manipulate electron beams and produce visual content, which laid the groundwork for today’s advanced displays.Moreover, the concept of deflection is not limited to electronic displays. In various scientific experiments, similar principles are applied to control the paths of particles in accelerators or to manipulate beams of light in optics. The underlying physics remains consistent, showcasing the versatility of the deflection coil concept beyond its traditional applications.In conclusion, the deflection coil is a fascinating component that has played a significant role in the development of electronic displays. By generating magnetic fields to control the movement of electron beams, it has enabled the visualization of images on screens for decades. While modern technology has evolved, the principles behind the deflection coil continue to influence various fields, reminding us of the intricate relationship between physics and engineering. Understanding this component not only enriches our knowledge of historical technologies but also inspires future innovations in electronic design and particle manipulation.

在电子和物理学领域,各种组件在我们常常视为理所当然的设备的运作中发挥着至关重要的作用。其中一个组件就是偏转线圈,它是阴极射线管(CRT)操作的核心,CRT通常用于旧电视机和计算机显示器。偏转线圈是一种电磁铁,能够产生磁场以引导带电粒子(如电子)的路径。在CRT中对电子束的操控使得屏幕上能够创建图像,通过控制束流击打荧光表面的地点。理解偏转线圈的工作原理需要一些电磁原理的知识。当电流通过线圈时,它在其周围产生一个磁场。通过改变电流,可以调整该磁场的强度和方向,从而改变电子束的轨迹。这一原理不仅是CRT技术的基础,还在示波器和雷达系统等其他领域找到了应用。偏转线圈的设计通常由多个绕成特定形状的线圈组成。这种配置在电流通过时增强了所产生的磁场。在电视机中,通常有两个线圈:一个用于水平偏转,另一个用于垂直偏转。水平偏转线圈控制电子束的左右移动,而垂直偏转线圈管理上下移动。它们共同作用,使电子束能够精确地在屏幕上定位,从而清晰、细致地显示图像。尽管偏转线圈的重要性不容小觑,但在讨论现代显示技术时,它常常被忽视。随着LCD和OLED等平面屏幕技术的出现,对CRT的依赖显著减少。然而,理解偏转线圈有助于我们洞察显示技术的发展及过去开发者所面临的工程挑战。它突显了操控电子束以生成视觉内容的创新方法,这为今天的先进显示技术奠定了基础。此外,偏转的概念并不仅限于电子显示。在各种科学实验中,类似的原理被应用于控制加速器中粒子的路径或操控光束在光学中的运动。基本的物理原理保持一致,展示了偏转线圈概念在传统应用之外的多样性。总之,偏转线圈是一个迷人的组件,在电子显示的发展中起着重要作用。通过产生磁场来控制电子束的运动,它使得几十年来屏幕上的图像可视化成为可能。虽然现代技术已经发展,但偏转线圈背后的原理仍然影响着各个领域,提醒我们物理学与工程学之间复杂的关系。理解这一组件不仅丰富了我们对历史技术的知识,也激励着未来在电子设计和粒子操控方面的创新。

相关单词

deflection

deflection详解:怎么读、什么意思、用法

coil

coil详解:怎么读、什么意思、用法