thermocouple

简明释义

英[ˈθɜːməʊkʌp(ə)l]美[ˈθɜːrməˌkʌpl]

n. [电] 热电偶

英英释义

单词用法

同义词

反义词

例句

1.The traditional measuring temperature elements have thermocouple and two resistance.

传统的测温元件有热电偶和二电阻。

2.A review of the classic thermocouple theory by the customer could clear up these concerns.

从客户那里看一下关于热电偶的经典理论，这些问题便会迎刃而解。

3.The transmitter is wired for up - scale thermocouple burn - out protection.

变送器上壳连有热电偶烧毁保护接线。

4.Try checking the die exit temperature with a surface thermocouple.

要设法用表面热电偶检查口模出口温度。

5.Finally, a survey of various applications of thermocouple, are made.

最后对热电转换器的各种应用了概括。

6.Ambiguous: Put the thermocouple in a glass bottle.

模棱两可：热电偶放置于玻璃瓶中。

7.It introduced the hardware design of temperature control for the thermocouple auto-verification system.

介绍了热电偶自动检定控温系统的硬件设计。

8.It introduced the hardware design of temperature control for the thermocouple auto-verification system.

介绍了热电偶自动检定控温系统的硬件设计。

9.In our lab, we rely on a thermocouple for accurate temperature readings.

在我们的实验室中，我们依靠热电偶进行准确的温度读取。

10.We replaced the faulty thermocouple in the oven to ensure proper heating.

我们更换了烤箱中故障的热电偶以确保加热正常。

11.The engineer used a thermocouple to measure the temperature of the furnace.

工程师使用热电偶来测量炉子的温度。

12.A thermocouple is essential for monitoring the heat during chemical reactions.

在化学反应过程中，热电偶对于监测热量是必不可少的。

13.The data logger was connected to a thermocouple to record temperature fluctuations.

数据记录仪连接到热电偶以记录温度波动。

作文

A thermocouple is a crucial device used in various applications for temperature measurement. It consists of two different metals joined at one end, which produces a voltage when heated. This voltage can be measured and converted into a temperature reading. The principle behind the thermocouple is based on the Seebeck effect, discovered by Thomas Johann Seebeck in 1821. The Seebeck effect states that a voltage is generated when there is a temperature difference between two junctions of dissimilar metals. This property makes thermocouples invaluable in industrial processes, scientific research, and even household appliances.In industries, thermocouples are widely used for monitoring temperatures in furnaces, kilns, and reactors. Their ability to withstand extreme temperatures and harsh environments makes them ideal for such applications. For instance, in a steel manufacturing plant, thermocouples are employed to ensure that the metal is heated to the appropriate temperature for optimal malleability and strength. Without accurate temperature measurements provided by thermocouples, the quality of the final product could be compromised.In addition to industrial uses, thermocouples also play a significant role in scientific experiments. Researchers often rely on thermocouples to obtain precise temperature readings in laboratories. For example, in a chemistry lab, a thermocouple might be used to monitor the temperature of a reaction mixture to ensure that it remains within a specific range. This is crucial for obtaining reliable and reproducible results.Moreover, thermocouples are commonly found in household appliances such as ovens and refrigerators. In an oven, a thermocouple helps regulate the cooking temperature, ensuring that food is cooked evenly and thoroughly. Similarly, in refrigerators, thermocouples help maintain the internal temperature to keep food fresh and safe for consumption.One of the advantages of using thermocouples is their versatility. They can measure a wide range of temperatures, from very low to extremely high, depending on the materials used. There are several types of thermocouples, including Type K, Type J, Type T, and Type E, each suited for different temperature ranges and environments. For instance, Type K thermocouples are commonly used for general-purpose applications due to their wide temperature range and good accuracy.However, thermocouples do have some limitations. One major drawback is their relatively low accuracy compared to other temperature measurement devices, such as resistance temperature detectors (RTDs). Additionally, thermocouples can be affected by electromagnetic interference, which may lead to inaccurate readings in certain situations. Despite these limitations, their robustness and ability to function in extreme conditions make them a popular choice in many fields.In conclusion, the thermocouple is an essential instrument for measuring temperature across various applications. Its unique design and the principles behind it allow for accurate temperature readings, which are vital for ensuring safety and efficiency in industrial processes, scientific research, and everyday appliances. As technology continues to advance, the development of new types of thermocouples may further enhance their performance and broaden their applications, solidifying their place as a fundamental tool in temperature measurement.

热电偶是一种用于温度测量的关键设备。它由两种不同的金属在一端连接而成，受热时会产生电压。这种电压可以被测量并转换为温度读数。热电偶背后的原理基于塞贝克效应，这一效应是由托马斯·约翰·塞贝克于1821年发现的。塞贝克效应表明，当两种不同金属的接头之间存在温差时，会产生电压。这一特性使得热电偶在工业过程、科学研究乃至家庭电器中都显得非常重要。在工业中，热电偶广泛用于监测炉子、窑和反应器的温度。它们能够承受极端温度和恶劣环境的能力使其非常适合此类应用。例如，在一家钢铁制造厂中，热电偶被用来确保金属加热到适当的温度，以获得最佳的可塑性和强度。如果没有热电偶提供的准确温度测量，最终产品的质量可能会受到影响。除了工业用途外，热电偶在科学实验中也发挥着重要作用。研究人员经常依赖热电偶在实验室中获得精确的温度读数。例如，在化学实验室中，热电偶可能用于监测反应混合物的温度，以确保其保持在特定范围内。这对于获得可靠且可重复的结果至关重要。此外，热电偶也常见于家用电器中，例如烤箱和冰箱。在烤箱中，热电偶帮助调节烹饪温度，确保食物均匀彻底地烹饪。同样，在冰箱中，热电偶帮助维持内部温度，以保持食物新鲜和安全可食用。使用热电偶的一个优点是它们的多功能性。根据所用材料，它们可以测量从非常低到极高的温度范围。有几种类型的热电偶，包括K型、J型、T型和E型，每种类型适用于不同的温度范围和环境。例如，K型热电偶因其宽广的温度范围和良好的准确性，被广泛用于通用应用。然而，热电偶确实存在一些局限性。一个主要缺点是与其他温度测量设备（如电阻温度探测器RTD）相比，其相对较低的准确性。此外，热电偶可能会受到电磁干扰的影响，在某些情况下可能导致不准确的读数。尽管存在这些限制，但它们的坚固性和在极端条件下工作的能力使其在许多领域成为受欢迎的选择。总之，热电偶是测量温度的重要仪器，广泛应用于各种场合。其独特的设计和背后的原理允许进行准确的温度读数，这对于确保工业过程、安全和效率、科学研究和日常电器至关重要。随着技术的不断进步，新型热电偶的发展可能会进一步增强其性能并扩大其应用领域，从而巩固其作为温度测量基本工具的地位。