Automatic temperature calibration type distributed optical fiber temperature measurement sensing equipment and its use method

A distributed optical fiber, sensing device technology, applied in measurement devices, thermometer testing/calibration, thermometers, etc., can solve problems such as large manpower and material resources, accuracy impact, small accuracy and precision, and reduce time and frequency. , the effect of improving accuracy and precision, saving material and financial resources

Inactive Publication Date: 2009-01-14
SHANGHAI BOOM FIBER SENSING TECH
View PDF0 Cites 27 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Because it is the average value of the temperature measured many times by the thermocouple sensor, the accuracy and precision are very small;
[0007] 2. Due to the

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Automatic temperature calibration type distributed optical fiber temperature measurement sensing equipment and its use method
  • Automatic temperature calibration type distributed optical fiber temperature measurement sensing equipment and its use method
  • Automatic temperature calibration type distributed optical fiber temperature measurement sensing equipment and its use method

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] The present invention will be further described below with reference to the drawings:

[0023] The present invention is an automatic temperature calibration type distributed optical fiber temperature measurement sensor device and its use method. It mainly includes a laser 3, the input end of the laser 3 is connected with the output end of the laser driver 2, and the input end of the laser driver 2 is connected to the synchronous The output end of the controller 1 is connected, the input end of the synchronization controller 1 is connected to the output end of the data processor 12, the output end of the laser 3 is connected to the input end of the coupler 4, and the output end of the coupler 4 is connected to the optical filter 5. The input end of the filter 5 is connected to the input end of the photodetector 6, the output end of the photodetector 6 is connected to the input end of the amplifier 7, and the output end of the amplifier 7 is connected to the input end of the ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a distributed optical fiber temperature measuring and sensing device with automatic temperature calibration and a use method thereof, and is characterized in that a beam output end of a coupler is connected with a beam input end of a thermotank, and a temperature controlling module is arranged inside the thermotank, which is doubly connected with a data acquisition unit, and compared with traditional optical fiber temperature measuring and sensing devices, the distributed optical fiber temperature measuring and sensing device has the following advantages: 1. the device is not required to be returned to factories for measuring and debugging, thus saving resources and funds; 2. the device realizes self calibration, thus maintaining continuously precise measurement for a long time; 3. the accuracy and precision of temperature calibration is greatly improved; 4. the time and number of the project operation and cease are greatly reduced.

Description

technical field [0001] The invention relates to the technical field of distributed optical fiber temperature sensing equipment, in particular to an automatic temperature calibration type distributed optical fiber temperature sensing device and its use method, and in particular to its internal mechanical structure. Background technique [0002] Optical fiber temperature measurement and sensing system is mainly used in transportation, construction, electric power, coal mine, petrochemical and other industries, and its function is to monitor the real-time temperature of these important places. It plays an important role in ensuring the normal operation of industrial system equipment and ensuring the safety of life and property. [0003] The existing optical fiber temperature measurement and sensing system is composed of a laser driver, a laser, a synchronous controller, a coupler, a constant temperature bath, a reference optical fiber, an optical filter, a photoelectric probe, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01K11/32G01K15/00G01K11/324
Inventor 周正仙仝芳轩刘亮
Owner SHANGHAI BOOM FIBER SENSING TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap