Optical fiber winding device of spatial resolution calibration of distributed type optical fiber temperature sensing system
A distributed optical fiber, spatial resolution technology, applied in thermometer testing/calibration, thermometers, measuring devices, etc., can solve problems such as inability to measure conveniently, quickly and accurately
Active Publication Date: 2014-12-10
CHINA JILIANG UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to provide an optical fiber winding device for calibrating the spatial resolution of a distributed optical fiber temperature sensing system, so as to solve the problem that the spatial resolution of the system cannot be determined conveniently, quickly and accurately during calibration
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[0017] The present invention will be further described below in conjunction with drawings and embodiments.
[0018] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 As shown, the present invention includes two fixed plates 1, a bottom plate 2, a rotating shaft 3, a rotating disk 4, a front panel 5, a rear panel 6, a driving gear 7, three identical driven gears 8, an internal gear 9, and a gear fixing plate 10 and dial 11; the lower ends of the two fixed plates 1 are installed on both sides of the base plate 2 respectively, the front panel 5 and the rear panel 6 are connected with the rotating shaft 3 with the same diameter, and the rotating shaft 3 between the front panel 5 and the rear panel 6 is fixed with The driving gear 7 is fixed on the rotating shaft 3 outside the front panel 5, and the rotating disk 4 is provided with a pointer. The gear fixing plate 10 having the same diameter as the front panel connects the driving gear 7, three identical driven ge...
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The invention discloses an optical fiber winding device of spatial resolution calibration of a distributed type optical fiber temperature sensing system. The lower ends of two fixing boards are respectively installed on two side faces of a bottom board, a front panel and a rear panel which are the same in diameter are connected through a rotating shaft, a drive gear is fixed on the rotating shaft, a rotary disc is fixed on the section, extruding out of the front panel, of the rotating shaft, the rotary disc is provided with a pointer, the drive gear, three same driven gears and an inner gear are fixed on the inner side of the front panel through a gear fixing board which is the same with the front panel in diameter, the drive gear drives the inner gear to rotate through the three driven gears which are installed at equal intervals, a dial is engraved in the outer side face of the inner gear, a window through which scales of the inner gear can be observed is formed in the front panel, and the front panel and the rear panel are embedded into two grooves in the inner sides of the two fixing boards and extend to the bottom board. By means of the optical fiber winding device of the spatial resolution calibration of the distributed type optical fiber temperature sensing system, the problem that spatial resolution of the distributed type optical fiber temperature sensing system cannot be accurately measured when the calibration is conducted is solved.
Description
technical field [0001] The invention relates to an optical fiber winding device, in particular to an optical fiber winding device for calibrating the spatial resolution of a distributed optical fiber temperature sensing system. Background technique [0002] Distributed optical fiber temperature sensing system mainly uses temperature-sensing optical fiber as temperature sensor. Because the optical fiber has the characteristics of acid resistance, corrosion resistance and high temperature resistance, and can simultaneously detect the temperature of each point where the optical fiber is laid, this system has been widely used in tunnels, subways, power plants, chemical plants, etc. Industrial site. Due to the increasing number of applications of distributed optical fiber temperature sensing systems, the requirements for spatial resolution will become higher and higher. Therefore, it is very important for manufacturers and users to issue corresponding calibration specifications....
Claims
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IPC IPC(8): G01K15/00G01K11/32
Inventor 陈乐徐翰立谢敏邵嫄琴窦乐
Owner CHINA JILIANG UNIV