Distributed optical fiber temperature sensor calibration and correction constant temperature device
A technology of temperature sensor and distributed optical fiber, which is applied in thermometer testing/calibration, thermometers, measuring devices, etc., can solve the problems of high stable temperature accuracy and fast temperature response, and achieve high stable temperature precision, fast temperature response, and simple production Effect
Inactive Publication Date: 2016-06-08
TAIYUAN UNIV OF TECH
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[0004] The invention discloses a distributed optical fiber temperature sensor calibration and constant temperature device, the purpose of which is to solve the disadvantages of existing gas and liquid optical fiber calibration and constant temperature devices. The technical scheme of the constant temperature device embedded with heat-conducting silica gel and combined with semiconductor refrigeration sheet, heat sink and cooling fan for feedback control, which is characterized by fast temperature response and high precision of stable temperature
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[0016] Attached below figure 1 And attached figure 2 Further illustrate the use of a distributed optical fiber temperature sensor calibration and constant temperature device of the present invention to use the optical fiber ring to perform temperature calibration and calibration in the distributed optical fiber temperature measurement system, and the constant temperature device of the present invention to perform temperature measurement and temperature control on the optical fiber ring working principle.
[0017] According to attached figure 1 Fiber optic ring 1, temperature sensor probe 2, middle thermal silica gel 3, left semiconductor cooling plate 4, right semiconductor cooling plate 5, left thermal silica gel 6, right thermal silica gel 7, left heat sink 8, right heat sink 9, left cooling fan 10 and the right heat dissipation fan 11 are assembled into a distributed optical fiber temperature sensor calibration and constant temperature device. The fiber optic ring 1 has ...
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The invention relates to a distributed optical fiber temperature sensor calibration and correction constant temperature device and belongs to the optical fiber temperature measurement technical field. The distributed optical fiber temperature sensor calibration and correction constant temperature device is characterized in that the mechanical structure part of the device is composed of an optic fiber ring, a high-precision temperature sensor probe, middle heat conduction silica gel, a left semiconductor refrigeration sheet, a right semiconductor refrigeration sheet, left conduction silica gel, right conduction silica gel, a left heat dissipation sheet, a right heat dissipation sheet, a left heat dissipation fan and a right heat dissipation fan. The distributed optical fiber temperature sensor calibration and correction optic fiber ring is embedded into the designed mechanical structure, so that the modular calibration and correction constant temperature device can be formed. The calibration and correction constant temperature device has the advantages of quick temperature response and high stable temperature precision as well as high reliability, compact structure, convenient installation and the like in conditions having strict requirements for distributed optical fiber temperature sensor calibration and correction.
Description
technical field [0001] The invention relates to a distributed optical fiber temperature sensor calibration calibration constant temperature device, which belongs to the technical field of optical fiber temperature measurement, and specifically relates to a distributed optical fiber temperature measurement calibration calibration optical fiber ring that is embedded in heat-conducting silica gel and combined with a semiconductor refrigeration sheet, a heat sink, and a cooling fan The constant temperature device for feedback control is characterized by fast temperature response and high precision of stable temperature. It is suitable for occasions with strict requirements on the calibration and calibration of distributed optical fiber temperature sensing, and has the advantages of high reliability, compact structure, and convenient installation. Background technique [0002] Distributed optical fiber temperature sensing system has been widely used in coal mines, subways, power ...
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IPC IPC(8): G01K15/00F25B21/02
CPCF25B21/02F25B2321/003F25B2321/02G01K15/005
Inventor 王东余辉王云才靳宝全谭晋隆安光峡王宇张明江吴瑞东刘毅
Owner TAIYUAN UNIV OF TECH
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