thermocouples

简明释义

英[ˈθɜːməˌkʌplz]美[ˈθɜrməˌkʌplz]

n. [电]热电偶（thermocouple 的复数）

英英释义

单词用法

同义词

反义词

例句

1.This configuration will result in a fail-safe process mode that will keep the cooling on if the thermocouples fail.

这种组态将导致故障安全过程模式，如果热电偶故障，它将保持冷却。

2.This paper covers the calibration method of tungsten-rhenium thermocouples using an optical pyromer as standtard instrument .

本文论述用光学高温计分度钨铼热电偶的方法及其测量不确定度。

3.Such devices, called thermocouples, are nowadays usually made using semiconductors.

这样的装置被称为热电偶，现在通常由半导体材料制成。

4.The CN616 Series is a microprocessor based temperature controller, which accepts signals from thermocouples.

CN616是一款基于温度控制器上的微型处理器，接收来自电热偶的信号。

5.The hot plate feeding unit is heated by heater and controlled by PLC and thermocouples.

热板由发热管加热，并由PLC及热电偶控温。

6.Dynamic response time is crucial parameter for thin-film thermocouples dynamic characteristics, it becomes attended vitally by researchers.

动态响应时间作为薄膜热电偶动态性能指标的关键参数，得到研究人员的广泛关注。

7.The engineer installed several thermocouples to monitor the temperature of the furnace.

工程师安装了几个热电偶来监测炉子的温度。

8.The data collected from the thermocouples helped optimize the heating process.

从热电偶收集的数据帮助优化了加热过程。

9.In industrial applications, thermocouples are widely used due to their durability and accuracy.

在工业应用中，热电偶因其耐用性和准确性而被广泛使用。

10.A malfunctioning thermocouple can lead to inaccurate temperature readings.

故障的热电偶可能导致温度读数不准确。

11.We need to calibrate the thermocouples before conducting the experiment.

在进行实验之前，我们需要校准热电偶。

作文

In the world of engineering and technology, accurate temperature measurement is crucial for various applications. One of the most reliable and widely used devices for this purpose is the thermocouples. A thermocouples is a sensor that consists of two different metals joined at one end. When the junction of these two metals is heated or cooled, it generates a voltage that can be measured and correlated to temperature. This principle is known as the Seebeck effect, which is fundamental to the operation of thermocouples. The versatility of thermocouples makes them suitable for a wide range of industrial applications. They can be found in manufacturing processes, HVAC systems, and even in scientific research. For instance, in the food industry, thermocouples are used to ensure that products are cooked to safe temperatures, thus preventing foodborne illnesses. In power plants, they monitor the temperature of turbines and boilers, ensuring optimal performance and safety. There are several types of thermocouples, each designed for specific temperature ranges and environments. The most common types include Type K, J, T, and E thermocouples. Type K thermocouples, made from Chromel and Alumel, are known for their wide temperature range and are often used in general-purpose applications. Type J thermocouples, consisting of iron and constantan, are suitable for lower temperatures but are not recommended for high-temperature environments due to oxidation. Type T thermocouples, made from copper and constantan, are ideal for cryogenic applications, while Type E thermocouples offer high sensitivity and are commonly used in low-temperature measurements. One of the significant advantages of thermocouples is their ability to operate in extreme conditions. They can withstand high temperatures, often exceeding 1,000 degrees Celsius, and are also resistant to vibration and shock. This durability makes them an excellent choice for harsh industrial environments. Additionally, thermocouples have a fast response time, allowing for quick temperature readings, which is essential in dynamic processes where temperature changes rapidly. However, like any technology, thermocouples have their limitations. They require calibration to ensure accuracy, and their output voltage is relatively small, which may necessitate the use of amplifiers in some applications. Furthermore, thermocouples can be affected by electromagnetic interference, which can lead to inaccurate readings if not properly shielded. Despite these challenges, the benefits of thermocouples far outweigh the drawbacks, making them a preferred choice for many engineers and technicians. In conclusion, thermocouples play a vital role in temperature measurement across various industries. Their unique construction, wide range of types, and ability to function under extreme conditions make them invaluable tools in modern technology. As industries continue to advance and require more precise temperature control, the importance of thermocouples will undoubtedly grow, solidifying their place as a cornerstone of temperature measurement technology.

在工程和技术的世界中，准确的温度测量对各种应用至关重要。其中一种最可靠和广泛使用的设备就是热电偶。热电偶是一种传感器，由两种不同的金属在一端连接而成。当这两种金属的接点被加热或冷却时，会产生一个电压，可以被测量并与温度相关联。这一原理被称为塞贝克效应，这是热电偶工作的基础。热电偶的多功能性使其适用于广泛的工业应用。它们可以在制造过程中、暖通空调系统甚至科学研究中找到。例如，在食品工业中，热电偶用于确保产品被烹饪到安全温度，从而防止食源性疾病。在发电厂，它们监测涡轮机和锅炉的温度，确保最佳性能和安全。有几种类型的热电偶，每种都设计用于特定的温度范围和环境。最常见的类型包括K型、J型、T型和E型热电偶。K型热电偶由铬和铝镍合金制成，以其广泛的温度范围而闻名，通常用于通用应用。J型热电偶由铁和康斯坦坦合金构成，适合较低的温度，但由于氧化原因，不推荐用于高温环境。T型热电偶由铜和康斯坦坦合金制成，非常适合低温应用，而E型热电偶则提供高灵敏度，常用于低温测量。热电偶的一个显著优势是它们能够在极端条件下工作。它们可以承受高温，通常超过1000摄氏度，并且对振动和冲击具有抵抗力。这种耐用性使它们成为恶劣工业环境的优秀选择。此外，热电偶具有快速响应时间，允许快速温度读取，这在温度变化迅速的动态过程中至关重要。然而，像任何技术一样，热电偶也有其局限性。它们需要校准以确保准确性，并且其输出电压相对较小，这可能在某些应用中需要使用放大器。此外，热电偶可能会受到电磁干扰的影响，这可能导致不准确的读数，如果没有适当屏蔽的话。尽管面临这些挑战，热电偶的优点远远超过缺点，使其成为许多工程师和技术人员的首选。总之，热电偶在各个行业的温度测量中发挥着至关重要的作用。它们独特的结构、广泛的类型和在极端条件下运行的能力使它们成为现代技术中不可或缺的工具。随着行业不断进步并对更精确的温度控制的需求增加，热电偶的重要性无疑将会增长，巩固其作为温度测量技术基石的地位。