CN203629783U - Optical fiber sensing vibration signal acquisition device - Google Patents
Optical fiber sensing vibration signal acquisition device Download PDFInfo
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- CN203629783U CN203629783U CN201320734785.6U CN201320734785U CN203629783U CN 203629783 U CN203629783 U CN 203629783U CN 201320734785 U CN201320734785 U CN 201320734785U CN 203629783 U CN203629783 U CN 203629783U
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- cabling
- fence
- optical fiber
- vibration signal
- harvester
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- 239000013307 optical fiber Substances 0.000 title abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 40
- 239000000835 fiber Substances 0.000 claims description 27
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 23
- 238000010998 test method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to an optical fiber sensing vibration signal acquisition device. The acquisition device comprises an optical fiber monitoring network and a detection host. The optical fiber monitoring network is fixed on a fence. The fence is arranged in a wind tunnel. The detection host is arranged in a monitoring room. The optical fiber monitoring network is connected with the detection host. The detection host is connected to an industrial personal computer through a network cable. The optical fiber monitoring network which is fixed on the fence is optical fiber routings. The routings comprise a straight routing and a snakelike routing. Fixation points are arranged on the routing paths of the routings at some distance. The fixation points are used to fix the optical fiber and the fence by adopting hoops. The bottom portion of the fence is provided with a plurality of fixation bases. The acquisition device of the utility model is used in the acquisition of optical fiber sensing vibration signals at different wind speeds, and advantages of high detection accuracy and stable experiment process.
Description
Technical field
The utility model relates to sensory field of optic fibre, specially refers to a kind of flow tunnel testing device of the Fibre Optical Sensor signals collecting based under different wind speed, for gathering the fiber-optic vibration signal under different wind speed.
Background technology
In wind tunnel test, need to test carrying out 10 grades of following wind-force in testing laboratory's environment, and judge that the size of wind-force can adopt the mode of fiber-optic vibration to obtain.Distribution type fiber-optic intelligence intruder detection system adopts super-narrow line width laser instrument as seed source, and light pulse is injected from one end of optical fiber, surveys the loose coloured light of backward Rayleigh with photo-detector.In the time that optical fiber link has disturbance to occur, the light phase of relevant position changes, and finally causes light intensity to change, and injects light pulse simultaneously and receive time delay between signal the position that obtains disturbance by measurement.This technology can be applied to the detection of vibration signal under different brackets wind speed, for judging the wind speed scale size of various environment under this.
In the time that the above-mentioned distribution type fiber-optic intelligent detecting system of application is measured wind-force size, because the layout of detection optical fiber is unreasonable, the detection data often obtaining has deviation, affects test accuracy; In addition, owing to arranging that reason often causes the optical cable displacement in detection network or is poured on the ground, thereby cause surveying unsuccessfully.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of harvester of Fibre Optical Sensor vibration signal is provided.Harvester of the present utility model is for the collection of the Fibre Optical Sensor vibration signal under different wind speed, be used in and in wind tunnel test room environmental, carry out 10 grades and test with apparatus for lower wind, survey the power that causes fiber-optic vibration signal under different brackets wind-force, by observing vibration signal power, and then judge the wind speed scale size of various environment under this, have advantages of that detection accuracy is high, process of the test is stable.
In order to reach foregoing invention object, the technical scheme that the utility model provides is as follows:
A kind of harvester of Fibre Optical Sensor vibration signal, it is characterized in that, this harvester includes fiber-optic monitoring network and surveys main frame, described fiber-optic monitoring network is fixed on fence, described fence is arranged in wind-tunnel, survey main frame and be arranged in Control Room, described fiber-optic monitoring network is connected with described detection main frame by telecommunication optical fiber, and described detection main frame is connected to an industrial computer by netting twine; The fiber-optic monitoring network being fixed on described fence is eight core optical cables, linear cabling and snakelike cabling are respectively got respectively a wherein core, on wiring path, be provided with a point of fixity every a segment distance, adopt anchor ear that optical cable and fence are fixed at described point of fixity; The bottom of described fence is provided with multiple firm bankings.
In the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, described fence includes grid wire netting and many root posts, many vertical columns are parallel to each other and fix with grid wire netting respectively, described linear cabling and snakelike cabling are fixed on grid wire netting, and described vertical columns is arranged on firm banking.
In the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, the bottom of described firm banking is square reinforcing base, center at the upper surface of reinforcing base is provided with square upright post base, described upright post base utilizes setscrew to be fixed at four angles and reinforces on base, the upper surface center of described upright post base is provided with protruding vertical columns, and the vertical columns described in every is arranged on described vertical columns accordingly.
In the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, described linear cabling is arranged at the middle part of described snakelike cabling, described snakelike cabling is furnished with crest and trough, crest is higher than linear cabling, trough is lower than linear cabling, and described linear cabling and snakelike cabling are separate.
Based on technique scheme, the harvester of Fibre Optical Sensor vibration signal of the present utility model has been obtained following technique effect in wind tunnel test:
1. the wind tunnel test method that adopts the Fibre Optical Sensor vibration signals collecting based under different wind speed can gather the vibration signal under different brackets wind below storm, and fixing safe and reliable, it is high that test figure is measured precision.
2. use signal pickup assembly of the present utility model, under calm condition, without any disturbing signal, along with wind scale increases, the disturbing signal showing on industrial computer is obvious gradually, and color is deepened gradually, in the time that wind-force reaches maximum, in wind-tunnel, fence can not tilt or blow down, and now on industrial computer, observes vibration signal the strongest, and color is the darkest.
Accompanying drawing explanation
Fig. 1 is the structural arrangement schematic diagram of the harvester of Fibre Optical Sensor vibration signal in the utility model wind tunnel test.
Fig. 2 is the structural representation of firm banking in the harvester of the utility model Fibre Optical Sensor vibration signal.
Fig. 3 is the fixed form schematic diagram of optical cable on fence in the harvester of the utility model Fibre Optical Sensor vibration signal.
Embodiment
Below we the harvester to Fibre Optical Sensor vibration signal in the utility model wind tunnel test and the wind tunnel test method based on Fibre Optical Sensor are described in further detail with specific embodiment by reference to the accompanying drawings; understand its principle of work and concrete application in the hope of more clear, but can not limit protection domain of the present utility model with this.
As shown in Figure 1, in the utility model wind tunnel test, in the harvester structure of Fibre Optical Sensor vibration signal, include fiber-optic monitoring network and survey main frame 2.Described fiber-optic monitoring network is fixed on fence 8, described fence 8 is arranged in wind-tunnel, surveying main frame 2 is arranged in Control Room, described fiber-optic monitoring network is connected with described detection main frame 2 by telecommunication optical fiber, described detection main frame 2 is connected to an industrial computer 1 by netting twine, industrial computer 1 and detection main frame 2 are all placed in Control Room, and the two connects communication by netting twine.The fiber-optic monitoring network being fixed on described fence 8 is eight core optical cables, linear cabling 5 and snakelike cabling 6 are respectively got respectively the core in optical cable eight cores, on wiring path, be provided with a point of fixity every a segment distance, adopt anchor ear 12 by fixing to optical cable and fence 8 at described point of fixity; The bottom of described fence 8 is provided with multiple firm bankings 9.
In the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, described fence 8 includes grid wire netting and Duo Gen vertical columns 7, many vertical columns 7 are parallel to each other and fix with grid wire netting respectively, cabling described in two is all fixed on grid wire netting, and described vertical columns 7 is arranged on firm banking 9.
In the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, described linear cabling 5 is arranged at the middle part of described snakelike cabling 6, described snakelike cabling is furnished with crest and trough, crest is higher than linear cabling, trough is lower than linear cabling, and described linear cabling 5 and snakelike cabling 6 are separate.
As shown in Figure 2, in the utility model wind tunnel test in the harvester of Fibre Optical Sensor vibration signal, the bottom of described firm banking 9 is square reinforcing base 9, center at the upper surface of reinforcing base 9 is provided with square upright post base 10, described upright post base 10 utilizes setscrew to be fixed at four angles and reinforces on base 9, and the upper surface center of described upright post base 10 is provided with protruding vertical columns 7.
Carry out the wind tunnel test method to the Fibre Optical Sensor vibration signals collecting under different wind speed based on harvester of the present utility model, the method includes detecting optical cable, fence, vertical rod, reinforcing floor installation, the Installation and Debugging of distributed fiber optic intrusion intelligent detecting system.
Its concrete implementation step is as follows:
The first step: firm banking 9 is put into successively to wind tunnel test is indoor to be arranged along diagonal line, every two bases keep at a certain distance away, keeps fence place direction and wind direction to have certain angle (being less than 90 degree).Another kind of mode is that firm banking 9 is opened in the indoor transverse row of wind tunnel test, keeps fence 8 place directions vertical with wind direction (90 degree).
Second step: in the bottom of vertical columns 7, by 4 setscrews 11, upright post base 10 is fixed on and is reinforced on base 9, as shown in Figure 2.
The 3rd: fence 8 is connected with vertical columns 7, and the two is also fixed by setscrew.
The 4th step: using the part of detecting optical cable 4 as fiber-optic monitoring network, fiber-optic monitoring network will be laid on optical cable on fence 8 according to the mode of snakelike cabling and linear cabling, in fixed point, with anchor ear 12, optical cable and fence 8 to be reinforced as Fig. 3, afterbody surplus optical cable is fixed to ground.
The 5th step: one end of detecting optical cable 4 is connected to the distribution type fiber-optic intelligence intrusion detection main frame 2 in Control Room.
The 6th step: start distribution type fiber-optic intelligence intrusion detection main frame 2, industrial computer 1, relevant monitoring of software parameter is set, do the debugging work of a little necessity, then can survey wind disturbance in wind-tunnel.
Adopt signal pickup assembly of the present utility model to carry out the test effect of anemometry in wind tunnel test as follows: to adopt the wind tunnel test method of the Fibre Optical Sensor vibration signals collecting based under different wind speed, can below storm, gather the vibration signal under different brackets wind.Under calm condition, without any disturbing signal.Along with wind scale increases, disturbing signal is obvious gradually, and color is deepened gradually.In the time that wind-force reaches maximum, in wind-tunnel, fence can not tilt or blow down, and now observes vibration signal the strongest, and color is the darkest.
Claims (4)
1. the harvester of a Fibre Optical Sensor vibration signal, it is characterized in that, this harvester includes fiber-optic monitoring network and surveys main frame, described fiber-optic monitoring network is fixed on fence, described fence is arranged in wind-tunnel, survey main frame and be arranged in Control Room, described fiber-optic monitoring network is connected with described detection main frame, and described detection main frame is connected to an industrial computer by netting twine; Be fixed on the cabling that the fiber-optic monitoring network on described fence is optical cable, this cabling includes straight line shape cabling and a snakelike cabling, on the wiring path of cabling, be provided with a point of fixity every a segment distance, adopt anchor ear that optical cable and fence are fixed at described point of fixity; The bottom of described fence is provided with multiple firm bankings.
2. the harvester of a kind of Fibre Optical Sensor vibration signal according to claim 1, it is characterized in that, described fence includes grid wire netting and Duo Gen vertical columns, many vertical columns are parallel to each other and all fix with grid wire netting, described cabling is fixed on grid wire netting, and described vertical columns is arranged on firm banking.
3. the harvester of a kind of Fibre Optical Sensor vibration signal according to claim 2, it is characterized in that, the bottom of described firm banking is square reinforcing base, center at the upper surface of reinforcing base is provided with square upright post base, described upright post base utilizes setscrew to be fixed at four angles and reinforces on base, the upper surface center of described upright post base is provided with described vertical columns, and the vertical columns described in every is arranged on described upright post base accordingly.
4. the harvester of a kind of Fibre Optical Sensor vibration signal according to claim 1, it is characterized in that, described linear cabling is arranged at the middle part of described snakelike cabling, and described snakelike cabling is furnished with crest and trough, crest is higher than linear cabling, and trough is lower than linear cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734785.6U CN203629783U (en) | 2013-11-20 | 2013-11-20 | Optical fiber sensing vibration signal acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734785.6U CN203629783U (en) | 2013-11-20 | 2013-11-20 | Optical fiber sensing vibration signal acquisition device |
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| Publication Number | Publication Date |
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| CN203629783U true CN203629783U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320734785.6U Expired - Lifetime CN203629783U (en) | 2013-11-20 | 2013-11-20 | Optical fiber sensing vibration signal acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558008A (en) * | 2013-11-20 | 2014-02-05 | 无锡波汇光电科技有限公司 | Device for acquiring optical fiber sensing vibration signals in wind tunnel test |
-
2013
- 2013-11-20 CN CN201320734785.6U patent/CN203629783U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558008A (en) * | 2013-11-20 | 2014-02-05 | 无锡波汇光电科技有限公司 | Device for acquiring optical fiber sensing vibration signals in wind tunnel test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Naihan Inventor after: Yuan Kegao Inventor after: Zhou Hangyu Inventor after: Zhang Yanhui Inventor after: Zhao Hao Inventor before: Xu Naihan Inventor before: Yuan Kegao Inventor before: Zhou Hangyu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XU NAIHAN YUAN KEGAO ZHOU HANGYU TO: XU NAIHAN YUAN KEGAO ZHOU HANGYU ZHANG YANHUI ZHAO HAO |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214028 Jiangsu province Wuxi city Wuxi District sensor network university science and Technology Park Qingyuan Road career building area C layer Patentee after: WUXI BOHUI PHOTOELECTRONIC TECHNOLOGY CO.,LTD. Patentee after: SHANGHAI BANDWEAVER TECHNOLOGY Co.,Ltd. Address before: 214028 Jiangsu province Wuxi city Wuxi District sensor network university science and Technology Park Qingyuan Road career building area C layer Patentee before: WUXI BOHUI PHOTOELECTRONIC TECHNOLOGY CO.,LTD. Patentee before: Shanghai Bandweaver Technologies Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171026 Address after: 200120 Shanghai city Pudong New Area Branch Road No. 88 west five building room 503 Patentee after: SHANGHAI BANDWEAVER TECHNOLOGY Co.,Ltd. Address before: 214028 Jiangsu province Wuxi city Wuxi District sensor network university science and Technology Park Qingyuan Road career building area C layer Co-patentee before: SHANGHAI BANDWEAVER TECHNOLOGY Co.,Ltd. Patentee before: WUXI BOHUI PHOTOELECTRONIC TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 103, Building 299, Zhongchen Road, Songjiang District, Shanghai, 20113 Patentee after: Shanghai Bohui Technology Co.,Ltd. Address before: Room 503, 5th floor, West Tower, 88 Shangke Road, Pudong New Area, Shanghai, 200120 Patentee before: SHANGHAI BANDWEAVER TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |