shaded pole

简明释义

屏蔽极

英英释义

例句

1.The shaded pole motor is commonly found in exhaust fans.

阴影极电机常见于排气扇中。

2.In small appliances, the shaded pole motor is often used for efficiency.

在小型电器中，阴影极电机常用于提高效率。

3.The fan operates quietly due to its shaded pole motor design.

由于其阴影极电机设计，风扇运转安静。

4.For low-speed applications, a shaded pole motor is ideal.

对于低速应用，阴影极电机是理想选择。

5.The shaded pole technology allows for a compact motor size.

阴影极技术使电机尺寸更紧凑。

作文

The concept of a shaded pole motor is one that is often discussed in the context of electrical engineering and motor design. A shaded pole motor is a type of single-phase induction motor that is commonly used in various household appliances, such as fans, blowers, and small pumps. The unique design of the shaded pole motor allows it to operate efficiently at low speeds, making it ideal for applications where high starting torque is not required.One of the defining features of a shaded pole motor is its construction. It consists of a stator with a series of poles, where a portion of each pole is 'shaded' by a copper band or winding. This shading creates a phase shift in the magnetic field, which allows the rotor to start turning when an alternating current is applied. The simplicity of this design is one of the reasons why shaded pole motors are popular in many consumer products.The operation of a shaded pole motor can be understood through the principles of electromagnetism. When electrical current flows through the stator windings, it generates a magnetic field. The shaded portion of the pole creates a delay in the magnetic field's strength, resulting in a rotating magnetic field that induces motion in the rotor. This is a fundamental principle behind how many electric motors work, but the shaded pole motor does it in a particularly straightforward way.One of the advantages of using a shaded pole motor is its low cost and ease of manufacturing. Since there are fewer components involved compared to other types of motors, they can be produced quickly and economically. Additionally, shaded pole motors require minimal maintenance, as they do not have brushes or commutators, which are common in other motor designs. This makes them suitable for applications where reliability and longevity are important.However, there are some limitations to shaded pole motors. While they are efficient at low speeds, they tend to have lower torque and efficiency compared to other motor types, especially at higher speeds. This means they may not be suitable for applications requiring high power output or rapid acceleration. Understanding these strengths and weaknesses is crucial for engineers and designers when selecting the appropriate motor for a given application.In conclusion, the shaded pole motor is a fascinating example of how simple engineering principles can lead to effective solutions in everyday technology. Its unique design and operational characteristics make it a valuable component in many devices we use daily. As technology continues to evolve, the principles behind the shaded pole motor will likely remain relevant, serving as a foundation for further innovations in motor design and application.

“阴影极”电机的概念通常在电气工程和电机设计的背景下进行讨论。“阴影极”电机是一种单相感应电机，广泛应用于各种家用电器，如风扇、鼓风机和小型泵。由于“阴影极”电机独特的设计，使其能够在低速下高效运行，因此非常适合不需要高启动扭矩的应用。“阴影极”电机的一个显著特点是其结构。它由一个带有一系列极的定子组成，每个极的一部分被铜带或绕组“遮蔽”。这种遮蔽会在磁场中产生相位差，从而使转子在施加交流电时开始旋转。这种设计的简单性是“阴影极”电机在许多消费产品中受欢迎的原因之一。通过电磁学的原理可以理解“阴影极”电机的操作。当电流流经定子绕组时，会产生一个磁场。极的阴影部分会延迟磁场强度的变化，从而产生一个旋转的磁场，诱导转子的运动。这是许多电动机工作原理的基本原理，但“阴影极”电机以一种特别简单的方式实现了这一点。使用“阴影极”电机的优点之一是其低成本和易于制造。与其他类型的电机相比，由于涉及的部件较少，因此可以快速经济地生产。此外，“阴影极”电机几乎不需要维护，因为它们没有刷子或换向器，这在其他电机设计中很常见。这使得它们适合于可靠性和耐用性重要的应用。然而，“阴影极”电机也存在一些局限性。虽然它们在低速下高效，但与其他电机类型相比，在高速下的扭矩和效率往往较低。这意味着它们可能不适合需要高功率输出或快速加速的应用。理解这些优缺点对于工程师和设计师在选择适合特定应用的电机时至关重要。总之，“阴影极”电机是一个引人入胜的例子，展示了简单的工程原理如何为日常技术提供有效的解决方案。其独特的设计和操作特性使其成为我们日常使用的许多设备中的宝贵组成部分。随着技术的不断发展，“阴影极”电机背后的原理可能仍将保持相关性，为电机设计和应用的进一步创新奠定基础。