CN203908558U - Test system of fiber-optic ring for fiber-optic gyroscope - Google Patents
Test system of fiber-optic ring for fiber-optic gyroscope Download PDFInfo
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- CN203908558U CN203908558U CN201320865777.5U CN201320865777U CN203908558U CN 203908558 U CN203908558 U CN 203908558U CN 201320865777 U CN201320865777 U CN 201320865777U CN 203908558 U CN203908558 U CN 203908558U
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- fiber
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000008878 coupling Effects 0.000 claims description 25
- 238000010168 coupling process Methods 0.000 claims description 25
- 238000005859 coupling reaction Methods 0.000 claims description 25
- 239000013307 optical fiber Substances 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a test system of a fiber-optic ring for a fiber-optic gyroscope. The test system comprises a to-be-tested fiber-optic ring, a fiber-optic ring testing device, a data acquisition module and an upper computer which are connected sequentially, wherein a light source driving circuit, a light source, a light path assembly, a photovoltaic conversion module and a signal processing circuit are fixed in the fiber-optic ring testing device; the light path assembly comprises a coupler and a Y guide wave; the light source driving circuit, the light source and the coupler are connected sequentially; the coupler, the photovoltaic conversion module, the signal processing circuit, the data acquisition module and the upper computer are connected sequentially; a single port of the Y guide wave is connected with the coupler; and double ports of the Y guide wave are connected with two pieces of tail fiber of the to-be-tested fiber-optic ring respectively. Compared with the prior art, the test system can greatly simplify the fiber-optic ring testing process and improve the quality of the fiber-optic gyroscope, a plurality of testing assemblies are concentrated and mounted in the fiber-optic ring testing device, carrying is facilitated, and the test system has the advantages of fast mounting and testing.
Description
Technical field
The utility model relates to fibre optic gyroscope performance test field, especially relates to the test macro of a kind of optical fibre gyro fiber optic loop.
Background technology
Fibre optic gyroscope is a kind of angular rate sensor, is widely used in inertial navigation field, is at present for determining the main sensors of movable body spatial movement attitude.Optical fibre gyro working environment very severe, for the working environment of simulation gyro, each gyro model machine must be through high low-temperature test, fiber optic loop is as the important parts of optical fibre gyro, the quality of its performance directly has influence on the height of precision and the important indicator characteristic of optical fibre gyro, as unstable in zero-bit, the phenomenon such as high low temperature shift is excessive, all may cause fibre optic gyroscope can not complete its normal function.But, the domestic assessment indicator about fiber optic loop still lacks unified standard at present, most of enterprise only rests in the test of extinction ratio and the stress relief of ring the processing of fiber optic loop, fundamentally effectively do not test and assess, thereby affect the one-pass finished rate of optical fibre gyro, because the maintenanceability of optical fibre gyro is very low, interior lights device cost is high simultaneously, and this has also caused the rising of cost of products and the waste of resource indirectly.
Utility model content
The purpose of this utility model is exactly the test macro that a kind of optical fibre gyro fiber optic loop is provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions: the test macro of fiber optic loop for a kind of optical fibre gyro, it is characterized in that, comprise the testing fiber ring connecting successively, fiber optic loop proving installation, data acquisition module and host computer, in described fiber optic loop proving installation, be fixed with light source driving circuit, light source, optical path component, photoelectric conversion module and signal processing circuit, described optical path component comprises coupling mechanism and Y waveguide, described light source driving circuit, light source and coupling mechanism connect successively, described coupling mechanism, photoelectric conversion module, signal processing circuit, data acquisition module and host computer connect successively, the single port of described Y waveguide is connected with coupling mechanism, the dual-port of Y waveguide is connected with two tail optical fibers of testing fiber ring respectively.
Described light source is super-radiance light emitting diode.
Between described light source and coupling mechanism, photoelectric conversion module and coupling mechanism, coupling mechanism and Y waveguide, Y waveguide and testing fiber ring, all adopt welding mode to be connected.
Compared with prior art, the utility model can not only significantly be simplified fiber optic loop testing process, improves optical fibre gyro quality, also multiple test and appraisal assemblies is installed concentratedly in fiber optic loop proving installation, is easy to carry, and has advantages of Fast Installation and test.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is theory diagram of the present utility model;
Fig. 3 is the transmission principle block diagram of the utility model light signal.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As Figure 1-3, the test macro of fiber optic loop for a kind of optical fibre gyro, it is characterized in that, comprise testing fiber ring 1, fine ring test device 2, data acquisition module 3 and host computer 4, described testing fiber ring 1 is connected with fine ring test device 2 by optical fiber B, described fine ring test device 2 is connected with data acquisition module 3 by cable A, and described data acquisition module 3 is connected with host computer 4 by Serial Port Line C, in described fiber optic loop proving installation 2, be fixed with light source driving circuit 21, light source 22, optical path component 23, photoelectric conversion module 24 and signal processing circuit 25, described light source 22 is super-radiance light emitting diode, described optical path component 23 comprises coupling mechanism 231 and Y waveguide 232, described light source driving circuit 21, light source 22 and coupling mechanism 231 connect successively, described coupling mechanism 231, photoelectric conversion module 24, signal processing circuit 25, data acquisition module 3 and host computer 4 connect successively, the single port of described Y waveguide 232 is connected with coupling mechanism 231, the dual-port of Y waveguide 232 is connected with two tail optical fibers of testing fiber ring 1 respectively, between described signal processing circuit 25 and data acquisition module 3, be provided with connector 5.Between described light source 22 and coupling mechanism 231, photoelectric conversion module 24 and coupling mechanism 231, coupling mechanism 231 and Y waveguide 232, Y waveguide 232 and testing fiber ring 1, all adopt welding mode to be connected.
Light source driving circuit 21 is controlled light source 22 output optical signals to coupling mechanism 231, coupling mechanism 231 is by two optical fiber output optical signals of Y waveguide 232, be used for docking with the tail optical fiber of testing fiber ring 1, light signal after fiber optic loop turns back in coupling mechanism 231 through the single port of Y waveguide 232, light signal is sent to photoelectric conversion module 24 by coupling mechanism, photoelectric conversion module 24 sends to signal processing circuit 25 after converting the light signal receiving to electric signal, signal processing circuit 25 adopts interference type optical fiber gyroscope closed-loop policy to carry out data processing the signal collecting, afterwards result is transferred to host computer 4 by data acquisition module 3 and carry out computing demonstration, obtain the performance of testing fiber ring, simultaneously, host computer 4 can form feedback to optical path component according to operation result, complete closed-loop control.
Claims (3)
1. the test macro of an optical fibre gyro use fiber optic loop, it is characterized in that, comprise the testing fiber ring connecting successively, fiber optic loop proving installation, data acquisition module and host computer, in described fiber optic loop proving installation, be fixed with light source driving circuit, light source, optical path component, photoelectric conversion module and signal processing circuit, described optical path component comprises coupling mechanism and Y waveguide, described light source driving circuit, light source and coupling mechanism connect successively, described coupling mechanism, photoelectric conversion module, signal processing circuit, data acquisition module and host computer connect successively, the single port of described Y waveguide is connected with coupling mechanism, the dual-port of Y waveguide is connected with two tail optical fibers of testing fiber ring respectively.
2. the test macro of fiber optic loop for a kind of optical fibre gyro according to claim 1, is characterized in that, described light source is super-radiance light emitting diode.
3. the test macro of fiber optic loop for a kind of optical fibre gyro according to claim 1, it is characterized in that, between described light source and coupling mechanism, photoelectric conversion module and coupling mechanism, coupling mechanism and Y waveguide, Y waveguide and testing fiber ring, all adopt welding mode to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865777.5U CN203908558U (en) | 2013-12-25 | 2013-12-25 | Test system of fiber-optic ring for fiber-optic gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865777.5U CN203908558U (en) | 2013-12-25 | 2013-12-25 | Test system of fiber-optic ring for fiber-optic gyroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908558U true CN203908558U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865777.5U Expired - Lifetime CN203908558U (en) | 2013-12-25 | 2013-12-25 | Test system of fiber-optic ring for fiber-optic gyroscope |
Country Status (1)
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| CN (1) | CN203908558U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441369A (en) * | 2016-10-31 | 2017-02-22 | 苏州光环科技有限公司 | Test system for fiber loop |
| CN109631943A (en) * | 2018-12-09 | 2019-04-16 | 西安航天精密机电研究所 | A kind of fiber optic loop evaluation and test module and evaluating system |
| CN110502764A (en) * | 2018-05-17 | 2019-11-26 | 上海亨通光电科技有限公司 | A kind of method for predicting reliability of optical fibre gyro |
| CN111076715A (en) * | 2019-12-05 | 2020-04-28 | 河北汉光重工有限责任公司 | 60um optical fiber-based fiber-optic gyroscope system and optical fiber fusion splicing method |
| CN111289011A (en) * | 2020-01-07 | 2020-06-16 | 武汉长盈通光电技术有限公司 | Multi-component testing system of fiber-optic gyroscope |
| CN112729339A (en) * | 2020-12-24 | 2021-04-30 | 西安现代控制技术研究所 | Device and method for measuring temperature performance of optical fiber ring |
| CN113607192A (en) * | 2021-09-30 | 2021-11-05 | 武汉长盈通光电技术股份有限公司 | Indirect connection type optical fiber gyro assembly testing device |
| CN114323078A (en) * | 2021-09-22 | 2022-04-12 | 河北汉光重工有限责任公司 | Method and device for detecting breakpoint of optical path of fiber-optic gyroscope |
| CN114396930A (en) * | 2022-01-18 | 2022-04-26 | 北京思卓博瑞科技有限公司 | Test system for testing performance of fiber optic gyroscope Sagnac effect ring assembly |
-
2013
- 2013-12-25 CN CN201320865777.5U patent/CN203908558U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441369A (en) * | 2016-10-31 | 2017-02-22 | 苏州光环科技有限公司 | Test system for fiber loop |
| CN110502764A (en) * | 2018-05-17 | 2019-11-26 | 上海亨通光电科技有限公司 | A kind of method for predicting reliability of optical fibre gyro |
| CN109631943A (en) * | 2018-12-09 | 2019-04-16 | 西安航天精密机电研究所 | A kind of fiber optic loop evaluation and test module and evaluating system |
| CN109631943B (en) * | 2018-12-09 | 2020-08-14 | 西安航天精密机电研究所 | Optical fiber ring evaluating module and evaluating system |
| CN111076715A (en) * | 2019-12-05 | 2020-04-28 | 河北汉光重工有限责任公司 | 60um optical fiber-based fiber-optic gyroscope system and optical fiber fusion splicing method |
| CN111076715B (en) * | 2019-12-05 | 2022-11-25 | 河北汉光重工有限责任公司 | 60um optical fiber-based fiber-optic gyroscope system and optical fiber fusion splicing method |
| CN111289011A (en) * | 2020-01-07 | 2020-06-16 | 武汉长盈通光电技术有限公司 | Multi-component testing system of fiber-optic gyroscope |
| CN112729339A (en) * | 2020-12-24 | 2021-04-30 | 西安现代控制技术研究所 | Device and method for measuring temperature performance of optical fiber ring |
| CN114323078A (en) * | 2021-09-22 | 2022-04-12 | 河北汉光重工有限责任公司 | Method and device for detecting breakpoint of optical path of fiber-optic gyroscope |
| CN113607192A (en) * | 2021-09-30 | 2021-11-05 | 武汉长盈通光电技术股份有限公司 | Indirect connection type optical fiber gyro assembly testing device |
| CN114396930A (en) * | 2022-01-18 | 2022-04-26 | 北京思卓博瑞科技有限公司 | Test system for testing performance of fiber optic gyroscope Sagnac effect ring assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200436 No. 555 West Road, Zhabei District, Shanghai Patentee after: Shanghai Aoshi Control Technology Co.,Ltd. Address before: 200436 No. 555 West Road, Zhabei District, Shanghai Patentee before: SHANGHAI HENGTONG PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
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| CX01 | Expiry of patent term |