CN203870744U - Optical fiber positioning-type abnormal-moving warning device - Google Patents
Optical fiber positioning-type abnormal-moving warning device Download PDFInfo
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- CN203870744U CN203870744U CN201420215304.5U CN201420215304U CN203870744U CN 203870744 U CN203870744 U CN 203870744U CN 201420215304 U CN201420215304 U CN 201420215304U CN 203870744 U CN203870744 U CN 203870744U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 35
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 16
- 238000001514 detection method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010042255 Struck by lightning Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000253 optical time-domain reflectometry Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The utility model provides an optical fiber positioning-type abnormal-moving warning device which is simpler in structure, better in monitoring effects and lower in cost. The warning device comprises a front end optical module (1), an optical switching module (2), a monitoring optical fiber (3), an optical processing module (6), a signal processing module (7) and a user operation module (8); the front end optical module (1), the optical switching module (2), the optical processing module (6), the signal processing module (7) and the user operation module (8) are successively electrically connected with each other; the optical switching module (2) is also electrically connected with the monitoring optical fiber (3); and the monitoring optical fiber (3) comprises a transmission optical fiber (4) used for transmitting optical signals and a sensing optical fiber (5) used for detecting micro-strain around a monitoring point.
Description
Technical field
The utility model relates to a kind of electronics and IT products that are mainly used in safety technological guard field, refers in particular to a kind of optical fiber warning system.
Background technology
As everyone knows, the warning system of prior art is mostly by multichannel hardware supported, and this system is to remove to control hardware separately by the software of each different hardware, too loaded down with trivial details from technological layer, implement also cumbersome, and the cost of foundation and maintenance is also all higher.
Growing along with China's economy, pipe safety is a segmentation field that obtains significant concern at this for several years.Pipe burst, can cause resident living to suffer tremendous influence; Oil and gas pipes wrecks, and brings huge potential safety hazard, and causes immeasurable economic loss.Pipeline security protection, has to be guarded against!
Be accompanied by the appearance of optical fiber sensing technology, the blank of pipeline safety-security area has obtained filling up finally.And numerous security and guard technologies such as the M-Z interference technique of prior art, optical fiber sensing technology, OTDR technology are put expertise to good use in this field of pipeline security protection respectively, but due to more inborn limitations of technical know-how separately, various technology could not rise to pipeline security protection a good application height all the time, can say the rare technical products that can really accomplish pipeline security protection in the market!
In view of the above problems, a kind of invention of fiber orientation type unusual fluctuation warning system simple, effective, that cost is low is imperative.
Utility model content
The technical problems to be solved in the utility model is that the fiber orientation type unusual fluctuation warning system that a kind of structure is simpler, monitoring effect is better, cost is lower is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of fiber orientation type unusual fluctuation warning device, and it comprises front end optical module, optics interconnecting module, monitoring optical fiber, optical processing module, signal processing module and user's operational module; Described front end optical module, optics interconnecting module, optical processing module, signal processing module and user's operational module are electrically connected successively; Described optics interconnecting module is electrically connected with monitoring optical fiber simultaneously, comprises for the Transmission Fibers of transmitting optical signal with for measuring the sensor fibre of monitoring point periphery microstrain in described monitoring optical fiber.
As preferably, described front end optical module is LED laser narrow-band light source.
As preferably, described optics interconnecting module comprises optical branching device, termination box and the junction box of electrical connection successively.
As preferably, described sensor fibre is two monofilm optical fiber, for the microstrain of measuring vibrations point.
As preferably, described optical processing module comprises the photoelectric commutator for light signal being converted to electric signal.
As preferably, described signal processing module comprises the signal processor for separating the electric signal of harmonic analysis after optical processing resume module.
As preferably, described user's operational module is the industrial computer with touch screen.
Adopt after said structure, the utlity model has following advantage: 1. the on-the-spot senser element of protection does not need power supply, safeguard simple; 2. adopt laser as transmission medium, than conventional arts such as electromagnetic waves, be not subject to EMI/RFI and effects of lightning; 3. the switching value warning message of dry contact also can synchronously be exported by light signal very accurately; 4. can be integrated with existing video monitoring system; 5. system management is simple, and easy operating is easy to maintenance; 6. sensor is soft fiber, and mounting means is versatile and flexible, can twine and can paste, and is applicable to various complex-terrains and weather extremes; 7. high detection sensitivity, to third party's invasion and alarm location; 8. sensor electromagnetic-radiation-free, difficult detection, can adopt the modes such as buried installation to improve disguise; 9. can effectively reduce false alarm by intelligent signal processing and pattern-recognition; 10. touch screen industrial computer can provide Full Featured pattern manipulation interface, and electronic chart is intuitively provided, simple to operate; 11. optical systems are stable, reliable, and all weather operations, without surveying dead angle, forms continuous monitored space; 12. optical fiber are adapted to long distance, large-range monitoring.In sum, the utility model provides the fiber orientation type unusual fluctuation warning system that a kind of structure is simpler, monitoring effect is better, cost is lower.
Brief description of the drawings
Fig. 1 is the structure block diagram of fiber orientation type unusual fluctuation warning device in the utility model.
As shown in the figure: 1, front end optical module, 2, optics interconnecting module, 3, monitoring optical fiber, 4, Transmission Fibers, 5, sensor fibre, 6, optical processing module, 7, signal processing module, 8, user's operational module.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
By reference to the accompanying drawings 1, a kind of fiber orientation type unusual fluctuation warning device, it comprises front end optical module 1, optics interconnecting module 2, monitoring optical fiber 3, optical processing module 6, signal processing module 7 and user's operational module 8; Described front end optical module 1, optics interconnecting module 2, optical processing module 6, signal processing module 7 and user's operational module 8 are electrically connected successively; Described optics interconnecting module 2 is electrically connected with monitoring optical fiber 3 simultaneously, comprises for the Transmission Fibers 4 of transmitting optical signal with for measuring the sensor fibre 5 of monitoring point periphery microstrain in described monitoring optical fiber 3.Described front end optical module 1 is LED laser narrow-band light source.Described optics interconnecting module 2 comprises optical branching device, termination box and the junction box of electrical connection successively.Described sensor fibre 5 is two monofilm optical fiber, for the microstrain of measuring vibrations point.Described optical processing module 6 comprises the photoelectric commutator for light signal being converted to electric signal.Described signal processing module 7 comprises for separating the signal processor of harmonic analysis through optical processing module 6 electric signal after treatment.Described user's operational module 8 is the industrial computer with touch screen.
The utility model fiber orientation type unusual fluctuation warning device is the long high-end perimeter intrusion detecting system apart from location type.There is wide application market and huge military affairs, economic worth.Its market comprises dual-use two parts:
1. military domain: the military targets such as border, military base, military factory.
2. civil area: the important venues such as airport, government bodies, nuclear power station, prison, stadiums, Hi-tech development zone, senior villa, bank vault, and for growing apart from the natural pipeline of oil, the safeguard protection of long haul communication backbone optical cable.
It comprises that front end optical module 1, optics interconnecting module 2, monitoring optical fiber 3, optical processing module 6, signal processing module 7 and user's operational module 8 form the utility model fiber orientation type unusual fluctuation warning device.Install at the scene of the utility model fiber orientation type unusual fluctuation alarm sensor can adapt to various complex-terrains, be for example arranged on fence, skin, roof, or be placed in body of wall, be embedded in underground.
The utility model fiber orientation type unusual fluctuation warning device adopts the advanced optical fiber vibration sensing location technology of whole world science and technology, has high detection sensitivity for third-party illegal invasion, can accurately identify and judge the position that invasion occurs.By advanced person's optical, electrical signal processing technology, and the mode identification technology of intelligence, realize high level alarm and inform.
User's operational module 8 of described fiber orientation type unusual fluctuation warning system is that host computer system is placed in machine room, it connects outdoor optical cable, outdoor optical cable and oil and gas pipes are laid with ditch, and application 2 core fibre technology are carried out detection sensor, the 1 piece light core of application in the middle of optical cable carries out signal transmission---complete the early warning of oil and gas pipes periphery unusual action information by 2 light cores in optical cable.Adopt current advanced person's 2 core interference techniques, realize the independent resource application of light core, break through the impact of M-Z technology polarization state effect.
The basis that the optical fiber technology of the sensing optic cable adopting realizes early warning is all to apply the signal in the collecting fiber external world.Optical fiber can produce microstrain in the situation that being subject to extraneous vibration interference, and microstrain meeting makes the generation slight changes such as its inner frequency plot that transmits light signal, just can calculate frequency, intensity and the positional information in oscillation point by laser coherence stress analysis system.Above-mentioned microstrain sensing technology is based on " interference of light " principle, conventionally measures microstrain with two monofilm optical fiber, is configured for measuring the sensor of interference of light ripple, re-uses an optical fiber and realizes communication.Be that the utility model fiber orientation type unusual fluctuation warning adopts Creative Science and Technology Co. Ltd---2 core interference techniques, use optical fiber 2 core science and technology to realize microstrain measurement to complete the collection of tube circumference unusual fluctuation signal, realize communication with 1 light core, use 1 light core to complete outer signals collection simultaneously, complete separating of light signal collection and transmission, accomplish the utilization that effectively integrates most of fiber resource, can steady operation in the situation that technical know-how aspect has just realized system in temperature, humidity, environmental change, thus failing to report, reporting by mistake of system fundamentally controlled.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (7)
1. a fiber orientation type unusual fluctuation warning device, is characterized in that: it comprises front end optical module (1), optics interconnecting module (2), monitoring optical fiber (3), optical processing module (6), signal processing module (7) and user's operational module (8); Described front end optical module (1), optics interconnecting module (2), optical processing module (6), signal processing module (7) and user's operational module (8) are electrically connected successively; Described optics interconnecting module (2) is electrically connected with monitoring optical fiber (3) simultaneously, comprises Transmission Fibers (4) for transmitting optical signal and for measuring the sensor fibre (5) of monitoring point periphery microstrain in described monitoring optical fiber (3).
2. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described front end optical module (1) is LED laser narrow-band light source.
3. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described optics interconnecting module (2) comprises optical branching device, termination box and the junction box of electrical connection successively.
4. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described sensor fibre (5) is two monofilm optical fiber, for the microstrain of measuring vibrations point.
5. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described optical processing module (6) comprises the photoelectric commutator for light signal being converted to electric signal.
6. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described signal processing module (7) comprises for separating the signal processor of harmonic analysis through optical processing module (6) electric signal after treatment.
7. fiber orientation type unusual fluctuation warning device according to claim 1, is characterized in that: described user's operational module (8) is the industrial computer with touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215304.5U CN203870744U (en) | 2014-04-29 | 2014-04-29 | Optical fiber positioning-type abnormal-moving warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420215304.5U CN203870744U (en) | 2014-04-29 | 2014-04-29 | Optical fiber positioning-type abnormal-moving warning device |
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| Publication Number | Publication Date |
|---|---|
| CN203870744U true CN203870744U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420215304.5U Expired - Fee Related CN203870744U (en) | 2014-04-29 | 2014-04-29 | Optical fiber positioning-type abnormal-moving warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327757A (en) * | 2016-08-16 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Fiber intrusion detection system based on bending loss and time division multiplexing principle |
| CN106678550A (en) * | 2016-12-01 | 2017-05-17 | 广东工业大学 | Water pipe leakage monitoring device and monitoring method based on distributed optical fiber sensing |
-
2014
- 2014-04-29 CN CN201420215304.5U patent/CN203870744U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327757A (en) * | 2016-08-16 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Fiber intrusion detection system based on bending loss and time division multiplexing principle |
| CN106327757B (en) * | 2016-08-16 | 2018-12-18 | 长飞光纤光缆股份有限公司 | A kind of optical fiber intrusion detection system based on bending loss and time division multiplexing principle |
| CN106678550A (en) * | 2016-12-01 | 2017-05-17 | 广东工业大学 | Water pipe leakage monitoring device and monitoring method based on distributed optical fiber sensing |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160530 Address after: 201418, Shanghai, Fengxian District, 458 gun Road No. 1, two workshop Patentee after: Shanghai Kalz Construction Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 311300 Ling'an City Jincheng Street Lin Shui Shan ranks 89 Building 2 unit 503 room Patentee before: Ruan Xiushi |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20190429 |