CN206223383U - A kind of auto monitoring and measurement system of bridge pad deformation - Google Patents
A kind of auto monitoring and measurement system of bridge pad deformation Download PDFInfo
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- CN206223383U CN206223383U CN201621255159.9U CN201621255159U CN206223383U CN 206223383 U CN206223383 U CN 206223383U CN 201621255159 U CN201621255159 U CN 201621255159U CN 206223383 U CN206223383 U CN 206223383U
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Abstract
The utility model discloses a kind of auto monitoring and measurement system of bridge pad deformation, including data collecting instrument, sending module, deformation monitoring server and multiple MEMS obliquity sensors, multiple MEMS obliquity sensors are fixed on top board, base plate and the intermediate structure of bridge pad；The multiple MEMS obliquity sensors are connected with data collecting instrument respectively, and data collecting instrument, sending module, deformation monitoring server are sequentially connected；Inclination data and the computational length of MEMS obliquity sensors that the deformation monitoring server is detected according to multiple MEMS obliquity sensors calculate the inclination and distortion data of bridge pad.The utility model measures the tilt variation of bridge pad each several part using MEMS obliquity sensors, and the deformation of bridge pad correspondence position is calculated according to this, while low cost is ensured, the miniaturization of bridge pad monitoring is realized, the deformation monitoring to bridge pad is stable, accurate.
Description
Technical field：
The utility model is related to bridge monitoring field, and in particular to the monitoring system of bridge pad deformation.
Background technology：
With the Large scale construction of China's traffic infrastructure, China has built increasing bridge structure, such as across river,
Cross a river, sea-crossing bridge, municipal bridge, railroad bridge, highway bridge etc..With the growth of active time, and many bridges are long-term
Overload and the deficiency of maintenance, the phenomenon that disease occurs in Bridges in Our Country are growing day by day, especially as connection bridge top
The important feature part of structure and substructure --- bridge pad occurs in that increasing disease, such as seat empty, bearing
Off normal, deforming the rupture of excessive, bearing, side, to heave corrugated concavo-convex etc..Once there is disease in bridge pad, it will direct shadow
The bearing capacity to bridge superstructure is rung, and then threatens pedestrian and vehicle driving safety on bridge.Thus, to bridge, especially
It is, across bridge under the adverse circumstances such as river, cross a river, over strait and long-term overload transportation and the foster bridge of long-term lacking dimension, to carry out quick
Accurate bridge pad deformation monitoring tool is of great significance.
However, current China either engineering circles or academia, the aging and disease to bridge pad is mainly still adopted
Take the mode of bearing replacement.This settling mode has following deficiency, on the one hand, need long-term monitoring to when bearing is changed
Data are supported, and the method that China mainly still takes personal monitoring in bridge pad monitoring field, this is difficult to ensure that monitoring number
According to accuracy and promptness；On the other hand, Partial Bridges bearing damage is serious, the whole bridge structure before bearing replacement is carried out
Just occur in that serious change or even collapsed, or even generate major accident.In addition, carrying out Bridge Support Replacement certainty
Adverse effect can be brought to the normal operation of traffic.Thus, bridge pad is fast and accurately monitored, it is latent to what is found
Timely early warning and maintenance are carried out in disease, this is significant to ensureing the safety of bridge structure, and bearing is carried out more
Efficient maintenance and more economic replacing also have important directive function.But, monitoring of the current China to bearing is main
Also based on artificial, the promptness of Monitoring Data, accuracy and continuity are difficult to ensure that, and are used for the advanced of bridge pad monitoring
The research and application of sensing equipment are also rarely reported.
The content of the invention：
In order to solve the problems of prior art, the utility model proposes a kind of full-automatic prison of bridge pad deformation
Examining system, the tilt variation of bridge pad each several part is measured using MEMS obliquity sensors, and calculates bridge pad pair according to this
The deformation of position is answered, while low cost is ensured, the miniaturization of bridge pad monitoring is realized, to the deformation prison of bridge pad
Survey stable, accurate.
The utility model is realized using following technical scheme：A kind of auto monitoring and measurement system of bridge pad deformation, bag
Data collecting instrument, sending module, deformation monitoring server and multiple MEMS obliquity sensors are included, multiple MEMS obliquity sensors are consolidated
Top board, base plate and intermediate structure due to bridge pad；The multiple MEMS obliquity sensors are connected with data collecting instrument respectively,
Data collecting instrument, sending module, deformation monitoring server are sequentially connected；The deformation monitoring server is according to multiple MEMS inclination angles
The inclination data of sensor detection and the computational length of MEMS obliquity sensors calculate the inclination and distortion data of bridge pad.
Preferably, the MEMS obliquity sensors are evenly arranged on the top board and base plate of bridge pad, for detecting bridge
The press-bending deformation of beam support top board, base plate.
Preferably, what the MEMS obliquity sensors were used to monitoring bearing intermediate structure heaves that corrugated is concavo-convex, and MEMS inclines
Angle transducer is arranged in the side of the intermediate structure of bridge pad, and its top is hinged with bridge pad top board, bottom suspension.
Preferably, the MEMS obliquity sensors are used to monitor the relative tilt of bridge pad top board and bridge pad base plate
Deformation；The top of MEMS obliquity sensors is hinged with bridge pad top board, and the bottom of MEMS obliquity sensors is at bridge pad bottom
On plate slidably.
Preferably, the MEMS obliquity sensors include the MEMS chip, analog-to-digital conversion module and the MCU treatment that are sequentially connected
Device, the data that MEMS chip is detected are input to MCU processors after analog-to-digital conversion；After MCU processors are processed data,
Result is exported to data collecting instrument.
Preferably, the MEMS obliquity sensors also include RS485 ports, and the MCU processors are processed data
Afterwards, result is exported to data collecting instrument through RS485 ports.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
The utility model uses MEMS obliquity sensors, and the tilt variation of bridge pad each several part is measured by it, and then
The deformation of bridge pad correspondence position is calculated by angle of inclination and sensor computational length.Due to MEMS obliquity sensor bodies
Small, the lightweight, low cost of product and reliability are high, thus the utility model realizes that bridge pad is supervised while can guarantee that low cost
The miniaturization of survey, steady in a long-term, accurate deformation monitoring is carried out to bridge pad each several part；Related data is whole-process automatic simultaneously adopts
Collection, transmission, analysis, display and early warning, have in efficiency and quality relative to current personal monitoring's technology and are obviously improved.
Brief description of the drawings：
Fig. 1 is the auto monitoring and measurement system topological figure of the utility model bridge pad deformation；
Fig. 2 is MEMS obliquity sensor internal structure schematic diagrams；
Fig. 3 is schematic view of the mounting position (profilograph) of the MEMS obliquity sensors on bridge pad；
Fig. 4 is schematic view of the mounting position (drawing in side sectional elevation) of the MEMS obliquity sensors on bridge pad；
Fig. 5 is MEMS obliquity sensors simulation bridge pad vertical deformation schematic diagram；
Fig. 6 is MEMS obliquity sensors simulation bridge pad horizontal distortion schematic diagram；
In above-mentioned figure, 1, MEMS obliquity sensors；2nd, bridge pad top board；3rd, bridge pad intermediate structure；4th, bridge branch
Seat base plate.
Specific embodiment：
The utility model is described in further detail below in conjunction with embodiment and Figure of description, but this practicality is new
The implementation method not limited to this of type.
Embodiment
As shown in figure 1, the full-automatic monitoring system of the utility model bridge pad deformation is based on MEMS technology, including number
According to Acquisition Instrument, sending module, deformation monitoring server and multiple MEMS obliquity sensors, multiple MEMS obliquity sensors are by electricity
Cable is connected with data collecting instrument respectively, and data collecting instrument, sending module, deformation monitoring server are sequentially connected.Sending module
Can be wireless sending module or wired sending module.
The structure of MEMS obliquity sensors is as shown in Fig. 2 MEMS chip, caching and analog-to-digital conversion mould including being sequentially connected
Block, MCU processors, RS485 ports, RS485 ports and cable connection, the data that MEMS chip is detected are defeated after analog-to-digital conversion
Enter to MCU processors；After MCU processors are processed data, result is exported and gives RS485 ports.In order to improve data inspection
The accuracy of survey, MEMS obliquity sensors can also set up the temperature sensor being connected with MCU processors.It is for the ease of detection
The failure of system, convenient that system is repaired, MEMS obliquity sensors are additionally provided with Autonomous test port, at Autonomous test port and MCU
Reason device connection.MEMS obliquity sensors are powered by D/C power, and D/C power is connected through mu balanced circuit with RS485 ports.
Referring to Fig. 3,4, the utility model by MEMS obliquity sensors 1 be fixed on the top board 2 of bridge pad, base plate 4 and in
Between the position of structure 3.For example, when the top board and base plate of bearing are installed, being evenly arranged a number of MEMS obliquity sensors, pass
Sensor is good with top board, contacts baseplate, and now sensor is used to monitor the press-bending deformation of top board, base plate.In the pars intermedia of bearing
When position is installed, in the side arrangement certain amount sensor of intermediate structure, sensor is vertically close to the side of bearing intermediate structure
Face, and transducer tip and bearing top board be hinged, the suspension of sensor bottom, and now sensor is used to monitor bearing intermediate structure
To heave corrugated concavo-convex；The two ends of sensor can also be distinguished top board (transducer tip and the bearing top board hinge of connects bearing
Connect) and base plate (sensor bottom can be on base-plate slidably), now sensor be used to monitor the phase of top board and base plate
To inclination and distortion.When bridge pad intermediate structure is for circle, several MEMS sensors are distributed in knot in the middle of circle in a ring
The side of structure, as shown in Figure 4；Because bridge pad intermediate structure can be square, now several MEMS sensors are distributed in
Four sides of intermediate structure.
All ends of MEMS obliquity sensors 1 are connected to data collecting instrument through cable, and data collecting instrument inclines collection
Angular data sends wireless sending module to, and data are transferred to deformation monitoring server, deformation monitoring clothes by wireless network afterwards
Business device calculates the inclination and distortion data of bridge pad, and and bridge pad according to inclination data and MEMS sensor computational length
Related codes and standards or actually used regulation are contrasted automatically, and to transfiniting, data carry out timely early warning.
The utility model install before, check bridge pad deformation monitoring needed for equipment it is whether complete, the quantity of equipment and
Whether length is suitable, confirms all devices in transportation without damage or loss；As select suitable without snow, without rain as possible
Installed under suitable weather, for newly building bridge, on the premise of bridge construction is not influenceed, as far as possible after the completion of bearing construction
Then install.During installation, by advance design, top board, base plate and middle part in bridge pad install MEMS inclination angles
Sensor；It will be clear that MEMS obliquity sensors are because installation site is different and test request is different, in profile
With there is difference in fixed form.
After installing MEMS obliquity sensors, MEMS obliquity sensors and data collecting instrument are connected with cable, condition permits
Perhaps in the case of, MEMS obliquity sensors carry out data contact with data collecting instrument by wireless network (such as ZIGBEE)；So
Data collecting instrument and wireless sending module are connected afterwards, and data are wirelessly transmitted into deformation monitoring server afterwards (can also use
Laying cable or optical cable carry out wire transmission to data).
Debugging all devices, it is ensured that equipment is normally run；After the completion of system installation and debugging, MEMS obliquity sensors will be gathered
Data be delivered to deformation monitoring server by data collecting instrument, wireless (or wired) sending module.Such as Fig. 5, bridge pad
Vertically deforming, such as when bridge pad top board or base plate are inclined, angle of inclination a1 will produced, MEMS obliquity sensors will
Above-mentioned angle of inclination a1 is sensed, and is passed through cable and be transferred to data collecting instrument, be finally delivered to change through sending module
Shape monitors server.Such as Fig. 6, when bridge pad deforms in the horizontal direction, angle of inclination a2, MEMS inclination angles sensing will be produced
Angle of inclination a2 is transferred to data collecting instrument by device.Deformation monitoring server angle of inclination to related data including measured,
Computational length of MEMS sensor etc. is calculated as below：
Si=Li*sin(ai)
SiThe bearing deflection at position measured for i-th MEMS obliquity sensor, LiIt is i-th MEMS inclination angle
The computational length of sensor, aiThe bearing angle of inclination at position measured for i-th MEMS obliquity sensor, i is arrived for 1
The integer of N, N is the total quantity of the MEMS obliquity sensors being arranged on bridge pad.Wherein, the computational length of MEMS sensor
The installation site of structure type, MEMS chip according to sensor, the bridge pad deformation size for being actually needed measurement etc. are come really
It is fixed；For example when needing to monitor the bearing deformation in very wide range, MEMS obliquity sensors must as far as possible make uniform thin bar
Shape (in the case of permission, the longer the better for length), the adaptation bridge pad deformation that MEMS chip can be good, the calculating for being taken is long
Degree can be equal to or slightly less than MEMS obliquity sensors length in itself；And if only needing to monitor the bearing deformation of a small range
When, it is more short and small that MEMS obliquity sensors can then make, and the computational length that is taken can also be much smaller than sensor in itself
Length.It is foregoing that conventional mathematical sine functional relation is solved to structure junction relative settlement value.
Deformation monitoring server carries out automatically analyzing statistics to the backed deflection of institute afterwards, when the calculated bridge of appearance
When beam support deforms more than related specifications standard or actually used set limit value, deformation monitoring startup of server alarm mould
Formula, and super-limit prewarning information is notified into the related keeper and technical staff of bridge in time in forms such as phone, short message, mails.
During bridge pad actual monitoring, during due to needing additionally increase new MEMS obliquity sensors, as long as
One coding (identification code) for being different from existing sensor is set in the sensor for newly increasing, and the dilatation of sensor is very
It is convenient.
Above-described embodiment is the utility model preferably implementation method, but implementation method of the present utility model is not by above-mentioned
The limitation of implementation, it is other it is any without departing from the change made under Spirit Essence of the present utility model and principle, modification, replacement,
MEMS obliquity sensors, cable, data collecting instrument and sending module (are for example integrated into a data acquisition by combination, simplification
Transmitting terminal), equivalent substitute mode is should be, it is included within protection domain of the present utility model.
Claims (8)
1. the auto monitoring and measurement system that a kind of bridge pad deforms, it is characterised in that including data collecting instrument, sending module, change
Shape monitors server and multiple MEMS obliquity sensors, and multiple MEMS obliquity sensors are fixed on the top board of bridge pad, base plate
And intermediate structure；The multiple MEMS obliquity sensors are connected with data collecting instrument respectively, data collecting instrument, sending module, change
Shape monitoring server is sequentially connected；Inclination data that the deformation monitoring server is detected according to multiple MEMS obliquity sensors and
The computational length of MEMS obliquity sensors calculates the inclination and distortion data of bridge pad.
2. the auto monitoring and measurement system that bridge pad according to claim 1 deforms, it is characterised in that the MEMS inclination angles
Sensor is evenly arranged on the top board and base plate of bridge pad, the press-bending deformation for detecting bridge pad top board, base plate.
3. the auto monitoring and measurement system that bridge pad according to claim 1 deforms, it is characterised in that the MEMS inclination angles
What sensor was used to monitoring bearing intermediate structure heaves that corrugated is concavo-convex, and MEMS obliquity sensors are arranged in the centre of bridge pad
The side of structure, its top is hinged with bridge pad top board, bottom suspension.
4. the auto monitoring and measurement system that bridge pad according to claim 1 deforms, it is characterised in that the MEMS inclination angles
Sensor is used to monitor the relative tilt deformation of bridge pad top board and bridge pad base plate；The top of MEMS obliquity sensors with
Bridge pad top board is hinged, the bottom of MEMS obliquity sensors on bridge pad base plate slidably.
5. the auto monitoring and measurement system that bridge pad according to claim 1 deforms, it is characterised in that the MEMS inclination angles
Sensor includes the MEMS chip, analog-to-digital conversion module and the MCU processors that are sequentially connected, and the data that MEMS chip is detected are through mould
MCU processors are input to after number conversion；After MCU processors are processed data, result is exported to data collecting instrument.
6. the auto monitoring and measurement system that bridge pad according to claim 5 deforms, it is characterised in that the MEMS inclination angles
Sensor also includes RS485 ports, after the MCU processors are processed data, result is exported to number through RS485 ports
According to Acquisition Instrument.
7. the auto monitoring and measurement system that bridge pad according to claim 5 deforms, it is characterised in that the MEMS inclination angles
Sensor also includes the temperature sensor being connected with MCU processors.
8. the auto monitoring and measurement system that bridge pad according to claim 1 deforms, it is characterised in that the MEMS inclination angles
Sensor is connected by cable with data collecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621255159.9U CN206223383U (en) | 2016-11-23 | 2016-11-23 | A kind of auto monitoring and measurement system of bridge pad deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621255159.9U CN206223383U (en) | 2016-11-23 | 2016-11-23 | A kind of auto monitoring and measurement system of bridge pad deformation |
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| Publication Number | Publication Date |
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| CN206223383U true CN206223383U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621255159.9U Active CN206223383U (en) | 2016-11-23 | 2016-11-23 | A kind of auto monitoring and measurement system of bridge pad deformation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383014A (en) * | 2016-11-23 | 2017-02-08 | 广州瀚阳工程咨询有限公司 | System and method for automatically monitoring deformation of bridge bearer |
| CN113251988A (en) * | 2021-05-17 | 2021-08-13 | 扬州市市政建设处 | Dynamic monitoring method and system for bridge support damage |
-
2016
- 2016-11-23 CN CN201621255159.9U patent/CN206223383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383014A (en) * | 2016-11-23 | 2017-02-08 | 广州瀚阳工程咨询有限公司 | System and method for automatically monitoring deformation of bridge bearer |
| CN113251988A (en) * | 2021-05-17 | 2021-08-13 | 扬州市市政建设处 | Dynamic monitoring method and system for bridge support damage |
| CN113251988B (en) * | 2021-05-17 | 2023-06-06 | 扬州市市政建设处 | Power monitoring method and system for bridge support damage |
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Address after: 510220 self compiled 239A room, 2 floor, seven tower, Hongtai wisdom Valley, 23 Tianhe District Si Cheng Road, Tianhe District, Guangzhou. Patentee after: Hanyang International Engineering Consulting Co.,Ltd. Address before: 510620 Tianhe Road Guangdong city Guangzhou province No. 228 building 2206 Patentee before: Guangzhou Hanyang Engineering Consulting Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220704 Address after: Room 208a, floor 2, building 7, Hongtai wisdom Valley, No. 23, Sicheng Road, Tianhe District, Guangzhou, Guangdong 510220 Patentee after: GUANGDONG HANYANG TRACK INFORMATION TECHNOLOGY Co.,Ltd. Address before: 510220 Guangzhou Tianhe District, Guangdong Province, 23 Sicheng Road, Hongtai Wisdom Valley Building 2 Floor 239A Patentee before: Hanyang International Engineering Consulting Co.,Ltd. |