wheatstone bridge

简明释义

惠斯登 电桥

英英释义

例句

1.We can calibrate our equipment using a wheatstone bridge for precise voltage readings.

我们可以使用wheatstone bridge校准设备，以获得精确的电压读数。

2.The wheatstone bridge circuit consists of four resistors arranged in a diamond shape.

wheatstone bridge电路由四个电阻以菱形排列组成。

3.A wheatstone bridge is essential in determining the resistivity of materials.

使用wheatstone bridge是确定材料电阻率的关键。

4.In the laboratory, the students learned how to balance a wheatstone bridge for accurate measurements.

在实验室里，学生们学习如何平衡wheatstone bridge以获得准确的测量结果。

5.The engineer used a wheatstone bridge to measure the resistance of the unknown resistor.

工程师使用wheatstone bridge来测量未知电阻的电阻值。

作文

The wheatstone bridge is a fundamental electrical circuit used to measure unknown resistances. Invented by Samuel Hunter Christie in 1833 and later popularized by Samuel W. Wheatstone, this device has become essential in both laboratory settings and practical applications. The principle behind the wheatstone bridge involves balancing two legs of a bridge circuit, which allows for precise measurement of resistance values. In essence, it consists of four resistors arranged in a diamond shape with a voltage source applied across one diagonal and a galvanometer connected across the other. By adjusting the known resistors, one can achieve a zero reading on the galvanometer, indicating that the unknown resistance can be calculated using the known values. The wheatstone bridge operates on the principle of null measurement, which means it measures the difference in potential between two points and aims to make that difference zero. This method is highly accurate and minimizes errors that could arise from direct measurements. In practical use, it allows engineers and technicians to determine the resistance of materials or components without the need for complex equipment. Moreover, the wheatstone bridge has several applications beyond simple resistance measurement. It is commonly used in strain gauge applications where the resistance change due to mechanical deformation needs to be monitored. In this context, the wheatstone bridge effectively converts small changes in resistance into measurable voltage changes, enabling precise monitoring of structural integrity in various engineering fields. Additionally, it finds its place in temperature measurement through thermistors and in pressure sensing through piezoelectric sensors. The design and function of the wheatstone bridge have also evolved with advancements in technology. Modern electronic devices often incorporate digital versions of the wheatstone bridge, allowing for automated readings and data logging. These innovations have made it easier for engineers to conduct experiments and gather data efficiently. Furthermore, the principles of the wheatstone bridge extend into more complex circuits and systems, demonstrating its foundational role in electrical engineering. In conclusion, the wheatstone bridge is not merely an academic concept but a practical tool that has stood the test of time. Its ability to provide accurate measurements and its versatility in various applications make it an indispensable part of modern engineering. Understanding how to utilize the wheatstone bridge effectively is crucial for anyone entering the field of electronics or instrumentation. As technology continues to advance, the principles behind the wheatstone bridge will undoubtedly remain relevant, ensuring its place in both education and industry for years to come.

电桥是一种基本的电路，用于测量未知电阻。它由塞缪尔·亨特·克里斯蒂于1833年发明，并由塞缪尔·W·维特斯通推广，这种设备在实验室环境和实际应用中都变得至关重要。电桥的原理涉及平衡电桥电路的两个支路，这样可以精确测量电阻值。其本质上由四个电阻器以菱形排列组成，一个电压源施加在一个对角线上，而一个电流计连接在另一个对角线上。通过调整已知电阻，可以在电流计上实现零读数，表明可以使用已知值计算未知电阻。电桥的工作原理基于零测量，这意味着它测量两个点之间的电势差，并旨在使该差异为零。这种方法具有高度准确性，并最小化了直接测量可能出现的误差。在实际应用中，它允许工程师和技术人员确定材料或组件的电阻，而无需复杂的设备。此外，电桥还有几个超出简单电阻测量的应用。它通常用于应变计应用，在这些应用中，需要监测由于机械变形而引起的电阻变化。在这种情况下，电桥有效地将电阻的微小变化转换为可测量的电压变化，从而能够精确监测各种工程领域中的结构完整性。此外，它还在温度测量（通过热敏电阻）和压力传感（通过压电传感器）中发挥作用。随着技术的发展，电桥的设计和功能也在不断演变。现代电子设备通常集成了数字版本的电桥，允许自动读取和数据记录。这些创新使工程师能够高效地进行实验和收集数据。此外，电桥原理扩展到更复杂的电路和系统，展示了它在电气工程中的基础性作用。总之，电桥不仅仅是一个学术概念，而是一种经受住时间考验的实用工具。它提供准确测量的能力以及在各种应用中的多功能性，使其成为现代工程中不可或缺的一部分。有效理解如何利用电桥对于任何进入电子或仪器领域的人来说都是至关重要的。随着技术的持续进步，电桥背后的原理无疑将保持相关性，确保其在教育和工业中的地位在未来几年依然存在。