Optical fiber thermocouple sensor is slowly into the life of the people

In fiber optic thermocouple sensors under the background of rapid popularization, many industries in our country has begun to widely used optical fiber thermocouple sensor, makes the products have great market space for development. In the oil and gas, aerospace, biomedical will be a large number of applications. In addition, the fiber thermocouple sensors can be embedded in concrete, carbon fiber reinforced plastics and various kinds of composite materials, used to test the stress relaxation, construction stress and dynamic load stress, short-term construction stage to assess the bridge structure performance and long-term operating status. Mainly as city construction, Bridges, DAMS, oil field and other interference of gyroscope and grating pressure thermocouple sensor applications.

thermocouple sensor in the sensitive, accurate and adaptable, compact and intelligent direction. In this process, fiber optic thermocouple sensors the thermocouple sensor to the new members of the family. Fiber thermocouple sensor is developed in recent years the rapid detection of gene technology, can be applied to various toxin detection and antigen-antibody interaction detection, etc. , is an important field of biophysical technology development. Optical fiber has many excellent properties, almost all important areas related to national economy and national defense and People's Daily life, especially can safely and effectively used in the bad environment, solved many industry over the years there has been a technical problem, has great market demand.

, according to the relevant data from 2012 to 2017, the global fiber thermocouple sensors ( Including some fraction and distributed) The average annual increase of up to 20 consumption value. 3%, their annual consumption value from 15 in 2012. $800 million in 2017 to 39. 800 million dollars. In the 2013 - 2017 China fiber thermocouple sensors market analysis research report mentioned: fiber thermocouple sensor is a new technology recent years, can be used to measure various physical quantities, has many excellent performance, application range, the market demand to reach $1. 1 billion by 2016, wide prospect of market.

power system also have fiber thermocouple sensors comes in, the high voltage transformer and the detection of temperature in the large motor stator and rotor, etc. , due to the electric kind of thermocouple sensor is vulnerable to the interference of electromagnetic field, cannot be used on such occasions, can only use fiber thermocouple sensors. Can continuous real-time measurement of optical fiber, the temperature at various points within a few kilometers along the position precision can reach m level, the level of measurement precision can reach 1 degree, very apply a wide range of junction temperature measurement applications.

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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure thermocouple sensor, digital temperature thermocouple sensor