CN103162858A - High temperature photoelectric temperature measuring system - Google Patents

High temperature photoelectric temperature measuring system Download PDF

Info

Publication number
CN103162858A
CN103162858A CN 201110411523 CN201110411523A CN103162858A CN 103162858 A CN103162858 A CN 103162858A CN 201110411523 CN201110411523 CN 201110411523 CN 201110411523 A CN201110411523 A CN 201110411523A CN 103162858 A CN103162858 A CN 103162858A
Authority
CN
China
Prior art keywords
high temperature
optical fiber
signal processing
processing system
measuring system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 201110411523
Other languages
Chinese (zh)
Inventor
麻树波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Femto Technology Xian Co Ltd
Original Assignee
Femto Technology Xian Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Femto Technology Xian Co Ltd filed Critical Femto Technology Xian Co Ltd
Priority to CN 201110411523 priority Critical patent/CN103162858A/en
Publication of CN103162858A publication Critical patent/CN103162858A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a high temperature photoelectric temperature measuring system. The high temperature photoelectric temperature measuring system comprises a blackbody cavity, a high temperature optical fiber, a low temperature optical fiber, an optical coupler which is used for connecting the high temperature optical fiber and the low temperature optical fiber, a battery of lens which is arranged at an exit end of the low temperature optical fiber and used for conducting collimation to measured emitted light, a light filter which is arranged on the back of the battery of lens in a parallel mode, a photoelectric detector which is used for converting optical signals which are filtered by the light filter into electrical signals, a signal processing system which is connected with the photoelectric detector and used for analyzing and processing the electrical signals and a display unit which is connected with the signal processing system. The high temperature optical fiber is connected with the blackbody cavity, the battery of lens, the light filter, the photoelectric detector, the signal processing system and the display unit are sequentially distributed on the same straight line from left to right, and the photoelectric detector and the display unit are both connected with the signal processing system. The high temperature photoelectric temperature measuring system is simple in structure, convenient to operate, high in temperature measuring precision, reliable in performance, long in service life, low in cost, and capable of replacing the application and the production of a traditional platinum-rhodium thermocouple.

Description

A kind of high temperature photoelectricity temp measuring system
Technical field
The present invention relates to a kind of test macro, especially relate to a kind of high temperature photoelectricity temp measuring system.
Background technology
Many hot environments are arranged in commercial production, as metal smelt, generating plant large-sized boiler, Chemical Manufacture etc., reach safely the quality of product for guaranteeing production equipment, it is very necessity that these hot environments are carried out accurately real-time detection.At present, hot environment is measured and mainly is divided into contact type measurement and non-contact measurement, in a lot of production runes, common contact type measurement mainly adopts thermopair, and is wherein the most frequently used with platinum rhodium thermocouple, but for platinum rhodium thermocouple, work under High Temperature High Pressure and hazardous medium condition, thermo wires damages very fast, and is affected by environment large, and uses the platinum rhodium thermocouple cost consumption large.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, and a kind of high temperature photoelectricity temp measuring system is provided, and it is simple in structure, good reproducibility, and long service life can gather the temperature-sensitive signal exactly, is beneficial to commercial production.
for solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of high temperature photoelectricity temp measuring system, it is characterized in that: comprise and collect the thermal-radiating blackbody chamber of detected element, high temperature optical fiber and low temperature optical fiber that the radiant light that blackbody chamber is collected conducts, be used for connecting the fiber coupler of high temperature optical fiber and low temperature optical fiber, the lens combination that is laid in the low temperature optical fiber exit end and tested radiant light is collimated, the parallel optical filter that is laid in after lens combination, light signal after optical filter is filtered is converted to the photodetector of electric signal, join with photodetector and described electric signal is carried out the signal processing system of analyzing and processing and the display unit that joins with signal processing system, described high temperature optical fiber and blackbody chamber join, and described lens combination, optical filter, photodetector, signal processing system and display unit are laid on same straight line from left to right successively, and photodetector and display unit all join with signal processing system.
Above-mentioned a kind of high temperature photoelectricity temp measuring system, it is characterized in that: described lens combination lens combination comprises front end diaphragm, rear end diaphragm and convex lens.
Above-mentioned a kind of high temperature photoelectricity temp measuring system is characterized in that: described blackbody chamber surface is coated with thermal conductive material layer.
Above-mentioned a kind of high temperature photoelectricity temp measuring system, it is characterized in that: described signal processing system comprises amplifying circuit, A/D change-over circuit and display driver circuit.
Above-mentioned a kind of high temperature photoelectricity temp measuring system, it is characterized in that: described display unit is liquid crystal display.
The present invention compared with prior art has the following advantages: temperature measurement accuracy is high, stable performance, long service life, and device is simple, and easy to operate, cost is relatively low, can substitute platinum rhodium thermocouple fully and use and produce.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is one-piece construction schematic diagram of the present invention.
Description of reference numerals:
The 1-blackbody chamber; The 2-high temperature optical fiber; The 3-fiber coupler;
The 4-low temperature optical fiber; The 5-lens combination; The 6-optical filter;
The 7-photodetector; The 8-signal processing system; The 9-display unit.
Embodiment
as shown in Figure 1, the present invention includes and collect the thermal-radiating blackbody chamber 1 of detected element, the high temperature optical fiber 2 that the radiant light that blackbody chamber 1 is collected conducts and low temperature optical fiber 4, be used for connecting the fiber coupler 3 of high temperature optical fiber 2 and low temperature optical fiber 4, the lens combination 5 that is laid in low temperature optical fiber 4 exit ends and tested radiant light is collimated, the parallel optical filter 6 that is laid in after lens combination 5, light signal after optical filter 6 is filtered is converted to the photodetector 7 of electric signal, join with photodetector 7 and described electric signal is carried out the signal processing system 8 of analyzing and processing and the display unit 9 that joins with signal processing system 8, described high temperature optical fiber 2 joins with blackbody chamber 1, described lens combination 5, optical filter 6, photodetector 7, signal processing system 8 and display unit 9 are laid on same straight line from left to right successively, and photodetector 7 and display unit 9 all join with signal processing system 8.
In the present embodiment: described lens combination 5 lens combination comprise front end diaphragm, rear end diaphragm and convex lens.
In the present embodiment: described blackbody chamber 1 surface is coated with thermal conductive material layer.
In the present embodiment: described signal processing system 8 comprises amplifying circuit, A/D change-over circuit and display driver circuit.
In the present embodiment: described display unit 9 is liquid crystal display.。
The above; it is only preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection domain of technical solution of the present invention.

Claims (5)

1. high temperature photoelectricity temp measuring system, it is characterized in that: comprise and collect the thermal-radiating blackbody chamber of detected element (1), high temperature optical fiber (2) and low temperature optical fiber (4) that the collected radiant light of blackbody chamber (1) is conducted, be used for connecting the fiber coupler (3) of high temperature optical fiber (2) and low temperature optical fiber (4), the lens combination (5) that is laid in low temperature optical fiber (3) exit end and tested radiant light is collimated, the parallel optical filter (6) that is laid in after lens combination (5), light signal after optical filter (6) is filtered is converted to the photodetector (7) of electric signal, join with photodetector (7) and described electric signal is carried out the signal processing system (8) of analyzing and processing and the display unit (9) that joins with signal processing system (8), described high temperature optical fiber (2) joins with blackbody chamber (1), described lens combination (5), optical filter (6), photodetector (7), signal processing system (8) and display unit (9) are laid on same straight line from left to right successively, and photodetector (7) and display unit (9) all join with signal processing system (8).
2. according to a kind of high temperature photoelectricity temp measuring system claimed in claim 1, it is characterized in that: described lens combination (5) lens combination comprises front end diaphragm, rear end diaphragm and convex lens.
3. according to the described a kind of high temperature photoelectricity temp measuring system of claim 1 or 2, it is characterized in that: described blackbody chamber (1) surface is coated with thermal conductive material layer.
4. according to the described a kind of high temperature photoelectricity temp measuring system of claim 1 or 2, it is characterized in that: described signal processing system (8) comprises amplifying circuit, A/D change-over circuit and display driver circuit.
5. according to the described a kind of high temperature photoelectricity temp measuring system of claim 1 or 2, it is characterized in that: described display unit (9) is liquid crystal display.
CN 201110411523 2011-12-11 2011-12-11 High temperature photoelectric temperature measuring system Pending CN103162858A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110411523 CN103162858A (en) 2011-12-11 2011-12-11 High temperature photoelectric temperature measuring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110411523 CN103162858A (en) 2011-12-11 2011-12-11 High temperature photoelectric temperature measuring system

Publications (1)

Publication Number Publication Date
CN103162858A true CN103162858A (en) 2013-06-19

Family

ID=48586132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110411523 Pending CN103162858A (en) 2011-12-11 2011-12-11 High temperature photoelectric temperature measuring system

Country Status (1)

Country Link
CN (1) CN103162858A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616080A (en) * 2013-11-21 2014-03-05 南京师范大学 Portable optical fiber radiation thermodetector and measuring method thereof
CN105606226A (en) * 2016-02-03 2016-05-25 江苏浩瀚蓝宝石科技有限公司 Portable fiber radiation thermometric indicator
CN105784197A (en) * 2016-05-23 2016-07-20 武汉理工大学 Large-range super-high temperature sensing system and method
CN109827664A (en) * 2017-11-23 2019-05-31 北京振兴计量测试研究所 Temperature sensing device
CN109827675A (en) * 2017-11-23 2019-05-31 北京振兴计量测试研究所 A kind of temperature sensing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103616080A (en) * 2013-11-21 2014-03-05 南京师范大学 Portable optical fiber radiation thermodetector and measuring method thereof
CN105606226A (en) * 2016-02-03 2016-05-25 江苏浩瀚蓝宝石科技有限公司 Portable fiber radiation thermometric indicator
CN105784197A (en) * 2016-05-23 2016-07-20 武汉理工大学 Large-range super-high temperature sensing system and method
CN109827664A (en) * 2017-11-23 2019-05-31 北京振兴计量测试研究所 Temperature sensing device
CN109827675A (en) * 2017-11-23 2019-05-31 北京振兴计量测试研究所 A kind of temperature sensing device

Similar Documents

Publication Publication Date Title
CN103162858A (en) High temperature photoelectric temperature measuring system
CN102564334B (en) Long period fiber grating strain gauge for micro strain detection of high-temperature pipes
CN202522326U (en) Contact-noncontact type sapphire infrared temperature measurement system
CN102507046B (en) Transformer thermometer calibrator
CN206504806U (en) Sapphire fiber black-body cavity temperature sensor
CN101135640A (en) Quasi-distributed optical fiber concentration sensor
CN202533180U (en) Novel modified infrared thermometer
CN201892573U (en) Near-infrared radiation thermometer
CN102865930A (en) Colorimetry-based test device for magnesium and magnesium alloy ignition temperature and use method of test device
CN202533177U (en) Control circuit of novel improved infrared thermometer
CN105333961A (en) System achieving non-contact temperature measurement of high-voltage isolating switch on basis of thermo-electric pile principle
CN202511919U (en) Fiber grating array temperature transmitter based on relative strength edge filtering method
CN104819777A (en) Method for improving filtering rayleigh scattering temperature measuring precision of turbulent flame
CN202836813U (en) Armored thermal resistor
CN104359861A (en) Light interference gas detection alarm device
CN206270276U (en) One kind is based on diaphragm type thermistor hydrogen gas sensor
CN109297591A (en) Myriawatt power meter
CN209512931U (en) A kind of passive distributed temperature and humidity detection system
CN104655316A (en) Novel fluorescent optical fiber temperature testing system of switch cabinet
CN203323956U (en) Sensing type vacuum degree measuring device
CN203132724U (en) Dual-redundancy digital temperature sensor
CN102901758A (en) PH value detector for organic fertilizer
CN209085811U (en) A kind of fibre optical sensor of the temperature-insensitive based on random fiber laser
CN208953128U (en) Myriawatt power meter
CN208921319U (en) A kind of distributed fiber temperature measuring device of high spatial resolution

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130619