CN103162858A - High temperature photoelectric temperature measuring system - Google Patents
High temperature photoelectric temperature measuring system Download PDFInfo
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- CN103162858A CN103162858A CN201110411523.1A CN201110411523A CN103162858A CN 103162858 A CN103162858 A CN 103162858A CN 201110411523 A CN201110411523 A CN 201110411523A CN 103162858 A CN103162858 A CN 103162858A
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- high temperature
- optical fiber
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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
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110411523.1A 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 |
|---|---|---|---|
| CN201110411523.1A CN103162858A (en) | 2011-12-11 | 2011-12-11 | High temperature photoelectric temperature measuring system |
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| CN103162858A true CN103162858A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110411523.1A Pending CN103162858A (en) | 2011-12-11 | 2011-12-11 | High temperature photoelectric temperature measuring system |
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Cited By (5)
| 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 |
-
2011
- 2011-12-11 CN CN201110411523.1A patent/CN103162858A/en active Pending
Cited By (5)
| 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 |
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Application publication date: 20130619 |