AC-DC receiver

简明释义

交直流两用接收机

英英释义

例句

1.We need an AC-DC receiver to power our electronic devices that require a stable DC supply.

我们需要一个交流直流接收器来为需要稳定直流电源的电子设备供电。

2.When troubleshooting, check if the AC-DC receiver is functioning properly.

在故障排除时，检查一下交流直流接收器是否正常工作。

3.The AC-DC receiver is essential for the operation of many modern appliances.

对于许多现代电器来说，交流直流接收器是必不可少的。

4.This AC-DC receiver can handle a wide range of input voltages.

这个交流直流接收器可以处理广泛的输入电压。

5.The technician installed the AC-DC receiver to convert the incoming AC voltage into DC for the circuit.

技术人员安装了交流直流接收器，将进入的交流电压转换为电路所需的直流电。

作文

In the realm of electronics, the term AC-DC receiver refers to a device that converts alternating current (AC) into direct current (DC). This process is crucial for many electronic devices that rely on stable and consistent power supply. The functionality of an AC-DC receiver is fundamental in various applications, ranging from simple household gadgets to complex industrial machinery. Understanding how this device operates can provide insights into the broader field of electrical engineering and its practical implications.To begin with, it is essential to understand the difference between AC and DC. Alternating current (AC) is the type of electrical current that reverses direction periodically. It is the form of electricity delivered to homes and businesses, as it is efficient for transmitting over long distances. On the other hand, direct current (DC) flows in a single direction and is used by most electronic devices, including computers, batteries, and LED lights. The need for conversion arises because many modern devices are designed to operate on DC power.The operation of an AC-DC receiver typically involves several key components: a transformer, a rectifier, and a filter. The transformer is responsible for stepping down the voltage of the incoming AC supply to a more manageable level. Following this, the rectifier converts the AC into DC. This is usually achieved using diodes, which allow current to flow only in one direction, effectively 'clipping' the negative part of the AC waveform. Finally, the filter smooths out the resulting DC signal, reducing fluctuations and ensuring a stable output.One of the most common applications of the AC-DC receiver is in power adapters. For instance, when you plug a phone charger into a wall outlet, the charger contains an AC-DC receiver that converts the AC from the outlet into DC suitable for charging the battery. Similarly, many electronic devices, such as televisions and computers, have built-in AC-DC receivers to ensure they receive the correct type of power.Moreover, the importance of AC-DC receivers extends beyond consumer electronics. In industrial settings, these devices play a critical role in powering machinery and control systems. For example, automated manufacturing equipment often relies on DC motors, which require an AC-DC receiver to function correctly. The reliability and efficiency of these systems depend heavily on the quality of the AC-DC receiver employed.In recent years, advancements in technology have led to the development of more efficient and compact AC-DC receivers. Innovations such as switch-mode power supplies (SMPS) have revolutionized the way we convert AC to DC. These modern devices are not only smaller and lighter but also more energy-efficient, reducing power loss during the conversion process. As the demand for portable and energy-efficient devices continues to grow, the role of AC-DC receivers will undoubtedly become even more significant.In conclusion, the AC-DC receiver is a vital component in the world of electronics, enabling the use of AC power sources to operate devices that require DC. Its applications span across various sectors, from consumer electronics to industrial machinery. By understanding the function and importance of AC-DC receivers, one can appreciate the intricate workings of modern technology and the essential role it plays in our daily lives.

在电子学领域，术语AC-DC receiver指的是一种将交流电（AC）转换为直流电（DC）的设备。这个过程对于许多依赖稳定和一致电源的电子设备至关重要。AC-DC receiver的功能在从简单的家用小工具到复杂的工业机械的各种应用中都是基础性的。理解这个设备的操作可以为更广泛的电气工程领域及其实际应用提供见解。首先，了解交流电和直流电之间的区别是非常重要的。交流电（AC）是一种电流，定期反向流动。它是送到家庭和企业的电力形式，因为它在长距离传输中效率高。另一方面，直流电（DC）是以单一方向流动的电流，主要用于大多数电子设备，包括计算机、电池和LED灯。转换的需求产生于许多现代设备设计为运行在DC电源上。AC-DC receiver的操作通常涉及几个关键组件：变压器、整流器和滤波器。变压器负责将进入的交流电源的电压降低到更可管理的水平。接下来，整流器将交流电转换为直流电。这通常是通过使用二极管来实现的，二极管只允许电流朝一个方向流动，有效地“剪切”交流波形的负部分。最后，滤波器平滑出生成的直流信号，减少波动，确保输出稳定。AC-DC receiver最常见的应用之一是在电源适配器中。例如，当你将手机充电器插入墙壁插座时，充电器内部包含一个AC-DC receiver，将来自插座的交流电转换为适合充电电池的直流电。同样，许多电子设备，如电视和计算机，内置有AC-DC receivers以确保它们接收到正确类型的电力。此外，AC-DC receivers的重要性超越了消费电子产品。在工业环境中，这些设备在为机器和控制系统供电方面发挥着关键作用。例如，自动化制造设备通常依赖于直流电动机，而这些电动机需要AC-DC receiver才能正常工作。这些系统的可靠性和效率在很大程度上依赖于所使用的AC-DC receiver的质量。近年来，技术的进步导致了更高效和紧凑的AC-DC receivers的发展。诸如开关电源（SMPS）等创新彻底改变了我们将交流电转换为直流电的方式。这些现代设备不仅体积更小、更轻，而且能量效率更高，减少了转换过程中的功率损失。随着对便携式和节能设备的需求不断增长，AC-DC receivers的作用无疑将变得更加重要。总之，AC-DC receiver是电子世界中的一个重要组成部分，使得交流电源能够驱动需要直流电的设备。它的应用遍及各个行业，从消费电子产品到工业机械。通过理解AC-DC receivers的功能和重要性，人们可以欣赏现代技术的复杂运作及其在我们日常生活中所扮演的基本角色。