CN108613700A - A kind of building inclination angle and Oscillation Amplitude detection device and method - Google Patents
A kind of building inclination angle and Oscillation Amplitude detection device and method Download PDFInfo
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- CN108613700A CN108613700A CN201810548402.3A CN201810548402A CN108613700A CN 108613700 A CN108613700 A CN 108613700A CN 201810548402 A CN201810548402 A CN 201810548402A CN 108613700 A CN108613700 A CN 108613700A
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- fiber
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- oscillation amplitude
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a kind of building inclination angles and Oscillation Amplitude detection device and method, the device includes fiber optic emitter, the roads 1*4 optical branching device, four microbend fiber displacement detectors, four opto-electronic conversion amplifying devices, four signal analog-to-digital conversions and modulating device, four fiber optic receivers and PC machine.The present invention, directly as the medium of signal transmission, directly provides input light source, is not necessarily to external light source using optical fiber, it is cost-effective, as long as in the range of optical access network, the calculating of real-time angle of inclination and Oscillation Amplitude can be all carried out to building, and the check device of the present invention is without carrying out horizontal alignment, waterproof fireproofing, good corrosion resistance is not necessarily to artificial interference detection process, saves cost of labor, and influence of the human factor to testing result is eliminated, accuracy of detection greatly improves.
Description
Technical field
The present invention relates to building safety detection device technical field more particularly to a kind of building inclination angle and vibration width
Spend detection device and method.
Background technology
With the continuous development of economic construction of China, skyscraper is increasing in China, high-building construction and use
Safety problem in the process is outstanding day by day, the tilt problem of skyscraper, larger to building harm, and the longevity is used to building
Life has a direct impact.It is tilted in when reaching the architectural design index limit or more, the safety of entail dangers to building, meanwhile, work as building
Under the influence of object is by geology disasters, it is also desirable to be monitored.Therefore, it is necessary to skyscraper into line tilt and vibration
Monitoring, this have become urban construction architecture construction, use during, one of the influences of geology disasters it is essential
Work.
So-called inclination, i.e. building top bottom center be not on a plumb line.The gradient of present high-rise and micro-
The measurement of vibration generally by professional at regular intervals use total powerstation carry out in-site measurement, obtain data after with time shaft
Plotted versus, heavy workload, the low and automatic degree of detection efficiency are low.
Invention content
A kind of based on existing fiber access network, the tool the purpose of the present invention is in view of the drawbacks of the prior art, providing
There are the real-time detection apparatus and its application method of high-precision building gradient and Oscillation Amplitude.The device need not carry out horizontal
Calibration, precision be higher, anti-extreme misery, is applicable to various engineering fields.In order to achieve the goal above, the present invention uses following technology
Scheme:
A kind of building inclination angle and Oscillation Amplitude detection device, including fiber optic emitter, the roads 1*4 optical branching device, four
A microbend fiber displacement detector, four opto-electronic conversion amplifying devices, four signal analog-to-digital conversions and modulating device, four light
Fine receiver and PC machine;
The roads fiber optic emitter connection 1*4 optical branching device, the roads 1*4 optical branching device are separately connected by 4 road optical fiber
Four microbend fiber displacement detectors, four microbend fiber displacement detectors are by optical fiber respectively with described four
The connection of a opto-electronic conversion amplifying device, four opto-electronic conversion amplifying devices by optical fiber respectively with four signal moduluses
Conversion and modulating device connection, four signal analog-to-digital conversions and modulating device are connect with four optical fiber respectively by cable
Device connection is received, four fiber optic receivers are connect by optical-fiber network with the PC machine;
Four microbend fiber displacement detectors are embedded on the outside of skin respectively on the cushion cap in four corners
In the drilling of side, exit thermoplastic tube draws the optical fiber at microbend fiber displacement detector both ends.
Further, four microbend fiber displacement detectors are by four bearing plates, four bottom plates, four lower platens
And four the optical fiber of beam equal length be respectively screw and be wrapped in four sizes, constitute on the identical rubber drum of shape material, utilize
The mode of spiral winding so that optic fibre force is more uniform.The rubber drum is clamped using bottom plate and lower platen, bottom plate and pushing
Plate is connected with spring.
Further, the bucket-shaped stress surface in four bearing plate sides of being makes entire microbend fiber displacement detector stress
More uniformly, forced area bigger.
Further, the bearing plate inner surface is cell compartment structure, and cell compartment structure can convert the sedimentation of force part
It is settled for gradual change, to make microbend fiber displacement detector stress evenly.
Correspondingly, also providing a kind of building inclination angle and Oscillation Amplitude detection method, built applied to above-mentioned one kind
Object angle of inclination is built with Oscillation Amplitude detection device, four microbend fiber displacement detectors are embedded in skin respectively
In drilling above the cushion cap in four corners in outside, exit thermoplastic tube is by the optical fiber at microbend fiber displacement detector both ends
It draws, the optical fiber in four microbend fiber displacement detectors can generate deformation, optical-fiber deformation production according to the sedimentation of cushion cap
The optical power loss is converted into voltage variety, the voltage variety by third contact of a total solar or lunar eclipse power attenuation, opto-electronic conversion amplifying device
It is converted into optical signal by signal analog-to-digital conversion and modulating device and PC machine is transferred to by fiber optic receiver, PC machine is become by voltage
Change amount can obtain the angle of inclination of building.
Further, it is built-in by the voltage variety of preset time period can to calculate the preset time period for the PC machine
Build the Oscillation Amplitude of object;
If the voltage variety is big within a bit of time, building shakes within this described a bit of time
Dynamic, the PC machine can calculate the Oscillation Amplitude of building in a bit of time by the voltage variety.
Further, the specific calculating process of building inclination angle is:Assuming that carving t=T at the beginning0When, it is held with first
Platform is origin, and the air line distance between the first cushion cap and the second cushion cap, third cushion cap, the 4th cushion cap is LAB、LAC、LAC;By one
After the section time, t=Ti, building settles, and the settling amount of four corner cushion caps can be obtained by the voltage variety
For HA、HB、HC、HD;Calculate the mutual difference △ H of four cushion cap settling amountsAB、△HAC、△HAD;It can be counted using angle formulae
Calculate the second cushion cap, third cushion cap, the 4th cushion cap is respectively relative to the angle of inclination of the first cushion cap
Compared with prior art, the present invention has the advantages that following:
(1) it utilizes optical fiber directly as the medium of signal transmission, input light source is directly provided, without external
Light source, it is cost-effective, as long as in the range of optical access network, building can all be carried out real
When gradient and Oscillation Amplitude calculating.
(2) building inclination angle of the invention is not necessarily to carry out horizontal alignment with Oscillation Amplitude detection device,
Waterproof fireproofing, good corrosion resistance.
(3) present invention is not necessarily to artificial interference detection process, saves cost of labor, and eliminates human factor and tied to detection
The influence of fruit, detection efficiency and precision greatly improve.
Description of the drawings
Fig. 1 is a kind of building inclination angle of the present invention and Oscillation Amplitude structure of the detecting device schematic diagram;
Fig. 2 is microbend fiber displacement detector structural schematic diagram of the present invention;
Fig. 3 is the vertical view of bearing plate of the present invention;
Fig. 4 is that microbend fiber displacement detector of the present invention buries schematic diagram.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
With the development of the universal and fiber to the home work of optical fiber, all there is a large amount of direct-burried light in the underground of residential building
Fibre, it is a kind of based on existing fiber access network the purpose of the present invention is in view of the drawbacks of the prior art, providing, have high-precision
The building gradient and Oscillation Amplitude real-time detection apparatus and its application method of degree.The device need not carry out horizontal alignment, precision
Higher, anti-extreme misery, is applicable to various engineering fields.In order to achieve the goal above, the present invention uses following technical scheme:
A kind of building inclination angle of present invention offer and Oscillation Amplitude detection device, as shown in Figure 1, including fibre optical transmission
Device, the roads 1*4 optical branching device, four microbend fiber displacement detectors, four opto-electronic conversion amplifying devices, four signal moduluses turn
It changes and modulating device, four fiber optic receivers and PC machine;
The roads fiber optic emitter connection 1*4 optical branching device, the roads 1*4 optical branching device are separately connected by 4 road optical fiber
Four microbend fiber displacement detectors, four microbend fiber displacement detectors are by optical fiber respectively with described four
The connection of a opto-electronic conversion amplifying device, four opto-electronic conversion amplifying devices by optical fiber respectively with four signal moduluses
Conversion and modulating device connection, four signal analog-to-digital conversions and modulating device are connect with four optical fiber respectively by cable
Device connection is received, four fiber optic receivers are connect by optical-fiber network with the PC machine;
Four microbend fiber displacement detectors are embedded on the outside of skin respectively on the cushion cap in four corners
In the drilling of side, exit thermoplastic tube draws the optical fiber at microbend fiber displacement detector both ends.
Optionally, as shown in Fig. 2, four microbend fiber displacement detectors by four bearing plates, 1, four bottom plate 6,
Four lower platens 2 and the optical fiber 5 of four beam equal lengths, which are respectively screw, is wrapped in four sizes, the identical rubber drum of shape material
It is constituted on 4, optical fiber 5 is made to be more uniformly stressed in the way of spiral winding.The rubber drum 4 utilizes bottom plate 6 and lower platen 2
It clamps, bottom plate 6 is connect with the spring 3 of lower platen 2.
Optionally, as shown in figure 3, the bucket-shaped stress surface in four bearing plates, 1 side of being, makes entire microbend fiber displacement detecting
Device is more uniformly stressed, forced area bigger.
Optionally, 1 inner surface of the bearing plate is cell compartment structure, and cell compartment structure can convert the sedimentation of force part to
Gradual change settles, to make microbend fiber displacement detector stress evenly.
Correspondingly, also providing a kind of building inclination angle and Oscillation Amplitude detection method, built applied to above-mentioned one kind
Object angle of inclination is built with Oscillation Amplitude detection device, four microbend fiber displacement detectors are embedded in skin respectively
In drilling above the cushion cap in four corners in outside, exit thermoplastic tube is by the optical fiber at microbend fiber displacement detector both ends
It draws, the optical fiber in four microbend fiber displacement detectors can generate deformation, optical-fiber deformation production according to the sedimentation of cushion cap
The optical power loss is converted into voltage variety, the voltage variety by third contact of a total solar or lunar eclipse power attenuation, opto-electronic conversion amplifying device
It is converted into optical signal by signal analog-to-digital conversion and modulating device and PC machine is transferred to by fiber optic receiver, PC machine is become by voltage
Change amount can obtain the angle of inclination of building.The present invention is used as the medium of signal transmission by optical fiber, effectively save can detect
Cost, and it is not necessarily to artificial detection, save human cost.
Further, it is built-in by the voltage variety of preset time period can to calculate the preset time period for the PC machine
Build the Oscillation Amplitude of object.If the voltage variety is big within a bit of time, the building within this described a bit of time
It vibrates, the PC machine can calculate the Oscillation Amplitude of building in a bit of time by the voltage variety,
The present invention by within a bit of time voltage variety can accurately detect the amplitude angle of building, earthquake etc. can be used as
The detection device of geological disaster.
Further, the specific calculating process of building inclination angle is:Assuming that carving t=T at the beginning0When, it is held with first
Platform is origin, and the air line distance between the first cushion cap and the second cushion cap, third cushion cap, the 4th cushion cap is LAB、LAC、LAC;By one
After the section time, t=Ti, building settles, and the settling amount of four corner cushion caps can be obtained by the voltage variety
For HA、HB、HC、HD;Calculate the mutual difference △ H of four cushion cap settling amountsAB、△HAC、△HAD;It can be counted using angle formulae
Calculate the second cushion cap, third cushion cap, the 4th cushion cap is respectively relative to the angle of inclination of the first cushion cap
The present invention, directly as the medium of signal transmission, directly provides input light source using optical fiber, is not necessarily to external light source, section
About cost, as long as in the range of optical access network, building can all be carried out real-time gradient and amplitude goniometer
It calculates, and the detection device of the present invention is detected without carrying out horizontal alignment, waterproof fireproofing, good corrosion resistance without artificial interference
Process saves cost of labor, and eliminates influence of the human factor to testing result, and detection efficiency and accuracy of detection carry significantly
It is high.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of building inclination angle and Oscillation Amplitude detection device, which is characterized in that including fiber optic emitter, the roads 1*4 light
Splitter, four microbend fiber displacement detectors, four opto-electronic conversion amplifying devices, four signal analog-to-digital conversions and modulation dress
It sets, four fiber optic receivers and PC machine;
The roads fiber optic emitter connection 1*4 optical branching device, the roads 1*4 optical branching device is separately connected described by 4 road optical fiber
Four microbend fiber displacement detectors, four microbend fiber displacement detectors by optical fiber respectively with four light
Electricity conversion amplifying device connection, four opto-electronic conversion amplifying devices by optical fiber respectively with four signal analog-to-digital conversions
And modulating device connection, four signal analog-to-digital conversions and modulating device by cable respectively with four fiber optic receivers
Connection, four fiber optic receivers are connect by optical-fiber network with the PC machine;
Four microbend fiber displacement detectors are embedded on the outside of skin respectively above the cushion cap in four corners
In drilling, exit thermoplastic tube draws the optical fiber at microbend fiber displacement detector both ends.
2. a kind of building inclination angle according to claim 1 and Oscillation Amplitude detection device, which is characterized in that described
Four microbend fiber displacement detectors are by four bearing plates, the light of four bottom plates, four lower platens and four beam equal lengths
Fibre is respectively screw and is wrapped in four sizes, constitutes on the identical rubber drum of shape material, and the rubber drum utilizes bottom plate and pushing
Plate is clamped, and bottom plate is connect with lower platen with spring.
3. a kind of building inclination angle according to claim 2 and Oscillation Amplitude detection device, which is characterized in that described
Four bucket-shaped stress surfaces in the bearing plate side of being.
4. a kind of building inclination angle according to claim 3 and Oscillation Amplitude detection device, table in the bearing plate
Face is cell compartment structure.
5. a kind of building inclination angle and Oscillation Amplitude detection method, it is applied to the claims 1-4 any described one
In kind building inclination angle and Oscillation Amplitude detection device, which is characterized in that four microbend fiber displacement detectors difference
It is embedded in the drilling on the outside of skin above the cushion cap in four corners, microbend fiber displacement is examined with thermoplastic tube in exit
The optical fiber for surveying device both ends is drawn, and the optical fiber in four microbend fiber displacement detectors can be generated according to the sedimentation of cushion cap
Deformation, optical-fiber deformation generate optical power loss, and the optical power loss is converted into voltage variety by opto-electronic conversion amplifying device,
The voltage variety is converted into optical signal by signal analog-to-digital conversion and modulating device and is transferred to PC machine by fiber optic receiver,
PC machine can obtain the angle of inclination of building by voltage variety.
6. a kind of building inclination angle according to claim 5 and Oscillation Amplitude detection method, which is characterized in that described
PC machine can calculate the Oscillation Amplitude of building in the preset time period by the voltage variety of preset time period.
7. a kind of building inclination angle according to claim 5 and Oscillation Amplitude detection method, which is characterized in that building
The specific calculating process in object angle of inclination is:Assuming that carving t=T at the beginning0When, using the first cushion cap as origin, the first cushion cap and
Air line distance between two cushion caps, third cushion cap, the 4th cushion cap is LAB、LAC、LAC;After a period of time, t=Ti, building
It settles, the settling amount that four corner cushion caps can be obtained by the voltage variety is HA、HB、HC、HD;Calculate four
The mutual difference △ H of cushion cap settling amountAB、△HAC、△HAD;Using angle formulae can calculate the second cushion cap, third cushion cap,
4th cushion cap is respectively relative to the angle of inclination of the first cushion cap
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CN101539631A (en) * | 2009-04-30 | 2009-09-23 | 华中科技大学 | Earthquake monitoring device |
CN102147422A (en) * | 2011-01-04 | 2011-08-10 | 中国地质大学(武汉) | Servo-type fiber bragg grating (FBG) acceleration sensor |
CN102418334A (en) * | 2011-09-28 | 2012-04-18 | 上海杰蜀光电科技有限公司 | Remote automatic monitoring system for subgrade settlement and monitoring method thereof |
CN103604386A (en) * | 2013-12-03 | 2014-02-26 | 中安消技术有限公司 | Method and system for detecting wall shape variation and building |
CN205861039U (en) * | 2016-06-20 | 2017-01-04 | 江志远 | A kind of system of efficiently monitoring for building |
CN107621255A (en) * | 2017-10-11 | 2018-01-23 | 王广 | A kind of flush type sedimentation monitoring system and monitoring method |
CN207197500U (en) * | 2017-09-15 | 2018-04-06 | 北京为韵科技有限公司 | A kind of distributed optical fiber sensing system of implanted sinking deformation monitoring |
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2018
- 2018-05-31 CN CN201810548402.3A patent/CN108613700A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101539631A (en) * | 2009-04-30 | 2009-09-23 | 华中科技大学 | Earthquake monitoring device |
CN102147422A (en) * | 2011-01-04 | 2011-08-10 | 中国地质大学(武汉) | Servo-type fiber bragg grating (FBG) acceleration sensor |
CN102418334A (en) * | 2011-09-28 | 2012-04-18 | 上海杰蜀光电科技有限公司 | Remote automatic monitoring system for subgrade settlement and monitoring method thereof |
CN102418334B (en) * | 2011-09-28 | 2013-12-04 | 上海杰蜀光电科技有限公司 | Remote automatic monitoring system for subgrade settlement and monitoring method thereof |
CN103604386A (en) * | 2013-12-03 | 2014-02-26 | 中安消技术有限公司 | Method and system for detecting wall shape variation and building |
CN205861039U (en) * | 2016-06-20 | 2017-01-04 | 江志远 | A kind of system of efficiently monitoring for building |
CN207197500U (en) * | 2017-09-15 | 2018-04-06 | 北京为韵科技有限公司 | A kind of distributed optical fiber sensing system of implanted sinking deformation monitoring |
CN107621255A (en) * | 2017-10-11 | 2018-01-23 | 王广 | A kind of flush type sedimentation monitoring system and monitoring method |
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Effective date of abandoning: 20220603 |