In many fields, temperature measurement is essential, especially in petroleum, chemical, electric power, metallurgy and other industries, temperature transmitters as a key component of temperature detection, in these industries have been widely used.
Temperature sensors According to the principle of temperature measurement, temperature sensors can be divided into thermocouples, platinum resistance, thermistors and other types. In the application scenario, the thermocouple and platinum resistance schemes have a wide temperature measurement range and rigorous use, so they are widely used in industrial sites. Because of its low cost and relatively easy to use characteristics, thermistors are mainly used in water temperature, oil temperature, engine intake temperature, cylinder temperature to exhaust gas temperature in automobiles, air conditioners in home appliances and small household appliances, refrigerators, rice cookers, etc., which are the main battlefield of thermistors.
Application of temperature sensors in industry
In industrial production automation, temperature measurement points account for about half of all measurement points. For example, in the steel smelting process, accurate control of smelting temperature can significantly improve product quality, save energy and reduce consumption; In petroleum refineries, accurate control of cracking temperature can obtain diesel series products of different quality.
Application of temperature sensor in home appliances
In many home appliances, temperature detection is also ubiquitous, such as washing machine water temperature detection and control, refrigerator and air conditioning refrigeration temperature detection and control, electric oven oven and disinfection cupboard temperature detection and control, and so on. Among them, sudden temperature sensors are very common in home appliances, including electric hot water bottles, electric kettles, automatic water dispensers, etc. Their working principle is basically that the power supply is turned on for heating, and when the temperature sensor detects that the temperature rises to the set value, it will automatically disconnect the power supply to achieve the purpose of safe use.
Temperature sensors in the construction industry
In the construction industry, temperature sensors play a large role in the process of coagulation hardening of concrete. Cracks in concrete components [ Concrete components are made of beams, slabs, columns, root bases and other components made of reinforced concrete, so they are called reinforced concrete components. These are processed directly on site. An assembly means that the layout consists of a part. In particular, large-volume concrete components are more common, which seriously affect the integrity and durability of the structure, and the reason is caused by the temperature stress of concrete. Therefore, in large-volume concrete, it is of great significance to use temperature sensors to achieve temperature control.
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