CN208984061U - A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring - Google Patents
A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring Download PDFInfo
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- CN208984061U CN208984061U CN201821780338.3U CN201821780338U CN208984061U CN 208984061 U CN208984061 U CN 208984061U CN 201821780338 U CN201821780338 U CN 201821780338U CN 208984061 U CN208984061 U CN 208984061U
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- settlement monitoring
- bragg grating
- fiber bragg
- fiber
- pressing bracket
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Abstract
The utility model discloses a kind of fiber grating settlement monitoring devices for bridge pre-pressing bracket settlement monitoring, including fiber bragg grating settlement sensor, fiber Bragg grating (FBG) demodulator and remote platform, the fiber bragg grating settlement sensor is connected with fiber Bragg grating (FBG) demodulator by fibre-optic transmission system (FOTS), the output end of the fiber Bragg grating (FBG) demodulator and the input terminal of processor are electrically connected, the output end of the processor and the input terminal of wireless transport module are electrically connected, the wireless transport module is wirelessly connected with remote platform, the utility model is a kind of equipment of novel bridge pre-pressing bracket settlement monitoring, inner utilization fiber grating principle, measurand is reflected in the form of wavelength change, it is handled by fiber Bragg grating (FBG) demodulator, and it is sent to cloud platform, the real-time detection of bridge pre-pressing bracket sedimentation may be implemented , it can also be used in the end PC in real time and check sedimentation value, the precision of measured sedimentation value is surveyed sedimentation value than conventional method and is higher by very much.
Description
Technical field
It is specifically a kind of to be used for bridge pre-pressing bracket settlement monitoring the utility model relates to optical fiber sensing detection technology field
Fiber grating settlement monitoring device.
Background technique
Bridge needs to carry out precompressed to bridge bracket before construction, to obtain deformation of timbering amount, and monitors support stability,
The stability of bracket is most important for bridge construction, can find the security risk of construction in advance, can evade the hair of accident
It is raw.Traditional bridge pre-pressing bracket settlement observation method precision is lower, and observation data are less, cannot observe in real time, can not
It was found that the Subsidence trend of bridge pre-pressing bracket sedimentation.The invention proposes a kind of optical fiber light that can be used for bridge bracket settlement monitoring
, it can be achieved that the real-time observation that bridge pre-pressing bracket settles wireless mould is added in fiber grating acquisition device by grid settlement monitoring device
Block can be realized the cloud acquisition of data, can also not see the real-time sedimentation of bridge pre-pressing bracket sedimentation in real time at the construction field (site)
Value.
Utility model content
The purpose of this utility model is to provide a kind of fiber gratings for bridge pre-pressing bracket settlement monitoring to settle prison
Device is surveyed, to solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: one kind is for bridge pre-pressing bracket sedimentation prison
The fiber grating settlement monitoring device of survey, including fiber bragg grating settlement sensor, fiber Bragg grating (FBG) demodulator and remote platform, it is described
Fiber bragg grating settlement sensor is connected with fiber Bragg grating (FBG) demodulator by fibre-optic transmission system (FOTS), the fiber Bragg grating (FBG) demodulator it is defeated
The input terminal of outlet and processor is electrically connected, and the output end of the processor and the input terminal of wireless transport module electrically connect
It connects, the wireless transport module is wirelessly connected with remote platform, and the remote platform wirelessly connects
It is connected to the end PC, the fiber bragg grating settlement sensor uses fiber Bragg grating strain sensor.
Preferably, multiple fiber bragg grating settlement sensors are equidistantly installed on bridge bracket.
Preferably, the remote platform is network cloud end platform.
Preferably, the processor uses arm processor, and concrete model is ARM920T.
Preferably, the remote platform can be connected with multiple ends PC.
Preferably, the wireless transport module is wirelessly transferred using ZigBee technology.
Compared with prior art, the utility model has the beneficial effects that the utility model is a kind of novel bridge bracket
The equipment of preloading monitoring, inner utilization fiber grating principle reflect measurand in the form of wavelength change,
It is handled by fiber Bragg grating (FBG) demodulator, and is sent to cloud platform, the real-time detection of bridge pre-pressing bracket sedimentation may be implemented,
It can be used in the end PC in real time and check sedimentation value, the precision of measured sedimentation value is surveyed sedimentation value than conventional method and is higher by very much.
Detailed description of the invention
Fig. 1 is the overall structure block diagram of the utility model.
In figure: 1- fiber bragg grating settlement sensor, 2- fiber Bragg grating (FBG) demodulator, 3- processor, 4- wireless transport module, 5-
Fibre-optic transmission system (FOTS), 6- remote platform, the end 7-PC.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of fiber grating for bridge pre-pressing bracket settlement monitoring is heavy in the utility model embodiment
Monitoring device, including fiber bragg grating settlement sensor 1, fiber Bragg grating (FBG) demodulator 2 and remote platform 6 drop, and the fiber grating is heavy
Drop sensor 1 is connected with fiber Bragg grating (FBG) demodulator 2 by fibre-optic transmission system (FOTS) 5, can detect to fiber bragg grating settlement sensor 1
Optical wavelength carry out processing analysis, the output end of the fiber Bragg grating (FBG) demodulator 2 and the input terminal of processor 3 are electrically connected, just
In carrying out processing data information, the input terminal of the output end of the processor 3 and wireless transport module 4 is electrically connected, convenient for into
Row wireless transmission, the wireless transport module 4 are wirelessly connected with remote platform 6, and the remote platform 6 passes through nothing
The mode of line is connected with the end PC 7, settles convenient for real-time detection bridge pre-pressing bracket, and the fiber bragg grating settlement sensor 1 uses
Fiber Bragg grating strain sensor, since optic fiber grating wavelength is sensitive simultaneously to temperature and strain, i.e., temperature causes simultaneously with strain
Fiber grating coupled wavelength is mobile, so that can not be subject to area to temperature and strain by measurement fiber grating coupled wavelength movement
Point, the direct measurement to physical quantitys such as temperature, strains may be implemented.
Preferably, multiple fiber bragg grating settlement sensors 1 are equidistantly installed, convenient for bridge bracket point on bridge bracket
It is detected for multiple portions.
Preferably, the remote platform 6 is network cloud end platform, passes to the end PC 7 convenient for will test information side.
Preferably, the processor 3 uses arm processor, and concrete model is ARM920T, is convenient for information processing
Control.
Preferably, the remote platform 6 can be connected with multiple ends PC 7, flexible and convenient to use.
Preferably, the wireless transport module 4 is wirelessly transferred using ZigBee technology, is convenient for wireless transmission letter
Breath.
Working principle: fiber bragg grating settlement sensor 1 is mounted on bridge bracket, and fiber bragg grating settlement sensor 1 obtains
The variable quantity (variable quantity of bridge bracket sedimentation) for taking measurand, with a length of carrier of light wave, is passed by fibre-optic transmission system (FOTS) 5
To fiber Bragg grating (FBG) demodulator 2, processing analysis is carried out by signal processor, obtains physical quantity variation data, and signal is passed to
Processor 3, then remote platform 6 is sent to by the wireless transport module 4 inside processor 3, it is re-send to respectively by cloud platform 6
A end PC 7.The real-time detection of bridge pre-pressing bracket sedimentation can be achieved, while the end PC can also be used in real time and check sedimentation value, institute
The precision of the sedimentation value of measurement is surveyed sedimentation value than conventional method and is higher by very much.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring, including fiber grating sedimentation sensing
Device (1), fiber Bragg grating (FBG) demodulator (2) and remote platform (6), it is characterised in that: the fiber bragg grating settlement sensor (1) passes through
Fibre-optic transmission system (FOTS) (5) is connected with fiber Bragg grating (FBG) demodulator (2), the output end and processor of the fiber Bragg grating (FBG) demodulator (2)
(3) input terminal is electrically connected, and the output end of the processor (3) and the input terminal of wireless transport module (4) are electrically connected, institute
It states wireless transport module (4) to be wirelessly connected with remote platform (6), the remote platform (6) passes through wireless side
Formula is connected with the end PC (7).
2. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring according to claim 1,
It is characterized by: being equidistantly equipped with multiple fiber bragg grating settlement sensors (1) on bridge bracket, the fiber grating sedimentation is passed
Sensor (1) uses fiber Bragg grating strain sensor.
3. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring according to claim 1,
It is characterized by: the remote platform (6) is network cloud end platform.
4. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring according to claim 1,
It is characterized by: the processor (3) uses arm processor, and concrete model is ARM920T.
5. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring according to claim 1,
It is characterized by: the remote platform (6) can be connected with multiple ends PC (7).
6. a kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring according to claim 1,
It is characterized by: the wireless transport module (4) is wirelessly transferred using ZigBee technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780338.3U CN208984061U (en) | 2018-10-31 | 2018-10-31 | A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821780338.3U CN208984061U (en) | 2018-10-31 | 2018-10-31 | A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring |
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| Publication Number | Publication Date |
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| CN208984061U true CN208984061U (en) | 2019-06-14 |
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| CN201821780338.3U Active CN208984061U (en) | 2018-10-31 | 2018-10-31 | A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269467A (en) * | 2018-10-31 | 2019-01-25 | 江苏骏龙光电科技股份有限公司 | A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring |
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2018
- 2018-10-31 CN CN201821780338.3U patent/CN208984061U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269467A (en) * | 2018-10-31 | 2019-01-25 | 江苏骏龙光电科技股份有限公司 | A kind of fiber grating settlement monitoring device for bridge pre-pressing bracket settlement monitoring |
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