deflection coil

简明释义

偏转线圈

英英释义

A deflection coil is an electromagnetic device used to steer the path of an electron beam in cathode ray tubes (CRTs) or other similar applications by creating a magnetic field that influences the motion of charged particles.

偏转线圈是一种电磁装置,用于在阴极射线管(CRT)或其他类似应用中引导电子束的路径,通过产生影响带电粒子运动的磁场。

例句

1.In the old television sets, the deflection coil 偏转线圈 was crucial for image stability.

在旧款电视机中,deflection coil 偏转线圈 对图像稳定性至关重要。

2.Our team is researching new materials for more efficient deflection coils 偏转线圈 in displays.

我们的团队正在研究用于显示器中更高效的deflection coils 偏转线圈的新材料。

3.Adjusting the deflection coil 偏转线圈 can help correct the alignment of the display.

调整deflection coil 偏转线圈 可以帮助纠正显示器的对齐。

4.The deflection coil 偏转线圈 generates magnetic fields that direct the path of charged particles.

deflection coil 偏转线圈 产生的磁场会引导带电粒子的路径。

5.The engineer explained how the deflection coil 偏转线圈 works to steer the electron beam in the CRT.

工程师解释了如何使用deflection coil 偏转线圈 来引导CRT中的电子束。

作文

In the world of electronics and physics, many components work together to create complex systems that we often take for granted. One such component is the deflection coil, a crucial element in devices like cathode ray tubes (CRTs) and oscilloscopes. Understanding how a deflection coil operates can provide insight into the principles of electromagnetism and the functioning of various electronic devices.A deflection coil is essentially an electromagnetic device that generates a magnetic field when an electric current passes through it. This magnetic field can then be used to control the direction of charged particles, such as electrons, within a vacuum tube. In a CRT, for instance, the deflection coil plays a vital role in directing the electron beam onto the phosphorescent screen, where images are displayed. By varying the current through the coils, the position of the electron beam can be manipulated, allowing for the creation of images and graphics.The operation of a deflection coil relies on the principles of electromagnetism, particularly the Lorentz force, which states that a charged particle moving through a magnetic field experiences a force perpendicular to both its velocity and the magnetic field. This principle is what allows the deflection coil to steer the electron beam. When the current in the coil changes, the strength and direction of the magnetic field also change, resulting in a corresponding movement of the electron beam. This precise control is essential for accurately displaying images on screens, whether in televisions, computer monitors, or oscilloscopes.Furthermore, the design of a deflection coil can vary depending on the application. For example, in CRT televisions, the coils are typically arranged in pairs—horizontal and vertical—to allow for two-dimensional deflection of the electron beam. In contrast, oscilloscopes may use more complex arrangements to achieve rapid and precise movements of the electron beam for waveform analysis. The shape, size, and number of turns in the wire of the deflection coil can all influence its performance, making it a finely tuned component in electronic devices.Despite the rise of flat-screen technology, understanding the deflection coil remains important for those studying electronics and physics. The principles behind its operation continue to apply to modern technologies, including the development of new display methods and imaging techniques. Moreover, the study of deflection coils can lead to a deeper understanding of electromagnetic fields and their applications in various scientific and engineering disciplines.In conclusion, the deflection coil is a fundamental component in many electronic devices, playing a critical role in controlling the movement of charged particles. Its operation is based on the principles of electromagnetism, allowing for precise manipulation of electron beams in devices like CRTs and oscilloscopes. As technology continues to evolve, the knowledge of deflection coils and their functions will remain relevant, providing valuable insights into the workings of electronic systems. Whether you are a student of physics, an engineer, or simply a curious individual, understanding the deflection coil can enhance your appreciation of the technology that surrounds us every day.

在电子和物理的世界中,许多组件共同作用,创造出我们常常视而不见的复杂系统。其中一个重要组件是偏转线圈,它在阴极射线管(CRT)和示波器等设备中起着至关重要的作用。理解偏转线圈的工作原理可以深入了解电磁学的基本原理以及各种电子设备的功能。偏转线圈本质上是一种电磁设备,当电流通过时会产生磁场。这个磁场可以用来控制带电粒子的方向,例如在真空管内的电子。例如,在CRT中,偏转线圈在将电子束引导到荧光屏上显示图像方面发挥着重要作用。通过改变线圈中的电流,可以操纵电子束的位置,从而创建图像和图形。偏转线圈的操作依赖于电磁学的原理,特别是洛伦兹力,它表明带电粒子在磁场中运动时,会受到一个与其速度和磁场都垂直的力。这一原理使得偏转线圈能够引导电子束。当线圈中的电流变化时,磁场的强度和方向也会随之变化,从而导致电子束的相应移动。这种精确的控制对于准确地在屏幕上显示图像至关重要,无论是在电视、计算机显示器还是示波器中。此外,偏转线圈的设计可以根据应用的不同而有所变化。例如,在CRT电视中,线圈通常成对排列——水平和垂直——以允许对电子束进行二维偏转。相比之下,示波器可能使用更复杂的排列,以实现快速而精确的电子束运动,用于波形分析。偏转线圈中导线的形状、大小和圈数都会影响其性能,使其成为电子设备中的精密组件。尽管平板显示技术的兴起,理解偏转线圈仍然对学习电子学和物理学的人们来说很重要。它的工作原理继续适用于现代技术,包括新显示方法和成像技术的发展。此外,对偏转线圈的研究可以加深对电磁场及其在各种科学和工程学科中的应用的理解。总之,偏转线圈是许多电子设备中的基本组件,在控制带电粒子的运动方面发挥着关键作用。它的操作基于电磁学的原理,允许在CRT和示波器等设备中精确操纵电子束。随着技术的不断发展,对偏转线圈及其功能的知识将继续相关,为电子系统的工作提供宝贵的见解。无论你是物理学的学生、工程师,还是仅仅是一个好奇的人,理解偏转线圈都能增强你对每天环绕我们技术的欣赏。

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