valve voltmeter

简明释义

电子管伏特计

英英释义

例句

1.When troubleshooting the hydraulic system, the engineer checked the valve voltmeter (阀门电压表) to assess the power supply.

在排查液压系统故障时，工程师检查了阀门电压表（阀门电压表）以评估电源。

2.Before performing maintenance on the electrical system, always check the readings on the valve voltmeter (阀门电压表) to ensure safety.

在对电气系统进行维护之前，总是检查阀门电压表（阀门电压表）上的读数以确保安全。

3.The technician used a valve voltmeter (阀门电压表) to diagnose the voltage drop across the valve coil.

技术员使用阀门电压表（阀门电压表）来诊断阀门线圈的电压降。

4.Make sure to calibrate the valve voltmeter (阀门电压表) regularly for precise readings.

确保定期校准阀门电压表（阀门电压表）以获得精确的读数。

5.In our lab, we rely on the valve voltmeter (阀门电压表) for accurate voltage measurements during experiments.

在我们的实验室中，我们依靠阀门电压表（阀门电压表）在实验过程中进行准确的电压测量。

作文

In the realm of electrical engineering, measuring voltage accurately is crucial for both safety and functionality. One of the instruments that has gained prominence in this field is the valve voltmeter. A valve voltmeter (阀门电压表) is a specialized device used to measure the voltage in electrical circuits, particularly those involving vacuum tubes or valves. This type of voltmeter is essential in applications where traditional measurement tools may not provide the required accuracy or reliability. The principle behind the valve voltmeter is relatively straightforward. It operates by utilizing the properties of thermionic emission, which occurs in vacuum tubes. When a filament in the tube is heated, it emits electrons that can be collected by an anode, creating a measurable current. This current is then translated into a voltage reading, allowing engineers to assess the performance of their circuits effectively.One of the key advantages of using a valve voltmeter is its ability to handle high-frequency signals without distortion. Traditional voltmeters often struggle with rapid changes in voltage, leading to inaccurate readings. However, the design of the valve voltmeter allows it to respond quickly to fluctuations, making it ideal for testing audio equipment, radio frequencies, and other electronic devices where precision is paramount.Moreover, the valve voltmeter offers a level of sensitivity that is hard to match. For instance, in a laboratory setting, researchers may need to measure minute voltage changes that occur in sensitive experiments. The valve voltmeter can detect these small variations, ensuring that the data collected is both accurate and reliable.Despite its advantages, the use of a valve voltmeter is not without challenges. One significant drawback is the complexity of its construction and operation. Unlike digital voltmeters, which are user-friendly and straightforward, valve voltmeters require a deeper understanding of vacuum tube technology and circuit design. This can pose a barrier for those who are new to the field or lack technical expertise.Additionally, the maintenance of a valve voltmeter can be demanding. Vacuum tubes can wear out over time, and replacing them requires careful handling and knowledge of the specific components involved. Engineers must also ensure that the device is calibrated correctly to maintain its accuracy, which adds another layer of responsibility.In conclusion, the valve voltmeter (阀门电压表) is an invaluable tool in the world of electrical engineering. Its ability to measure voltage accurately, especially in high-frequency applications, makes it a preferred choice for many professionals. While it does come with certain complexities and maintenance requirements, the benefits it offers in terms of precision and reliability cannot be overstated. As technology continues to advance, the valve voltmeter will likely remain an essential instrument for those seeking to understand and innovate within the electrical landscape.

在电气工程领域，准确测量电压对安全性和功能性至关重要。阀门电压表（valve voltmeter）是一种在这一领域中越来越受到重视的仪器。阀门电压表是一种专用设备，用于测量电路中的电压，特别是那些涉及真空管或阀的电路。这种类型的电压表在传统测量工具可能无法提供所需的准确性或可靠性的应用中是必不可少的。阀门电压表的原理相对简单。它通过利用热电子发射的特性来工作，这种现象发生在真空管中。当管中的灯丝被加热时，它会发射电子，这些电子可以被阳极收集，从而产生可测量的电流。然后，这个电流被转换为电压读数，使工程师能够有效评估他们电路的性能。使用阀门电压表的一个主要优点是它能够处理高频信号而不失真。传统电压表在电压快速变化时往往难以应对，导致读数不准确。然而，阀门电压表的设计使其能够快速响应波动，非常适合测试音频设备、无线电频率和其他电子设备，在这些设备中，精确性至关重要。此外，阀门电压表提供的灵敏度是很难匹敌的。例如，在实验室环境中，研究人员可能需要测量在敏感实验中发生的微小电压变化。阀门电压表能够检测到这些细微变化，确保收集的数据既准确又可靠。尽管有其优势，但使用阀门电压表并非没有挑战。一个显著的缺点是其结构和操作的复杂性。与用户友好且简单的数字电压表不同，阀门电压表需要对真空管技术和电路设计有更深入的理解。这对于那些新入行或缺乏技术专长的人来说，可能构成障碍。此外，阀门电压表的维护可能会很繁琐。真空管会随着时间的推移而磨损，更换它们需要小心处理，并了解相关组件的具体情况。工程师还必须确保设备经过正确校准，以保持其准确性，这增加了另一层责任。总之，阀门电压表（valve voltmeter）在电气工程界是一个无价的工具。它在高频应用中准确测量电压的能力，使其成为许多专业人士的首选。虽然它确实存在某些复杂性和维护要求，但它在精确性和可靠性方面所提供的好处是无法过分强调的。随着技术的不断进步，阀门电压表可能仍将是那些希望理解和创新电气领域的重要仪器。