CN206096875U - Bridge remote automation real -time supervision device based on MEMS technique - Google Patents
Bridge remote automation real -time supervision device based on MEMS technique Download PDFInfo
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- CN206096875U CN206096875U CN201620916150.1U CN201620916150U CN206096875U CN 206096875 U CN206096875 U CN 206096875U CN 201620916150 U CN201620916150 U CN 201620916150U CN 206096875 U CN206096875 U CN 206096875U
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Abstract
The utility model discloses a bridge remote automation real -time supervision device based on MEMS technique, its system include MEMS angular transducer, MEMS acceleration sensor, transmission network and data center, and MEMS angular transducer is used for monitoring bridge member's slope and is used for monitoring the acceleration and moves amount of deflection function and self -oscillation frequency with the acquisition bridge at loading static amount of deflection down, MEMS acceleration sensor in order to obtain the bridge, MEMS angular transducer, MEMS acceleration sensor give data center through transmission network with the bridge data message routing who monitors respectively. The utility model discloses the gradient of static amount of deflection, dynamic amount of deflection, bridge tower bridge floor and the pier of bridge floor is measured in match in real time to can evaluate the bridge health state according to the dynamic response of bridge, the diagnosis, the timely repair and maintenance that harm for the bridge provide important foundation.
Description
Technical field：
The utility model is related to bridge monitoring field, and in particular to the bridge remote automation reality based on MEMS technology
When monitoring device.
Background technology：
Currently, the domestic monitoring overwhelming majority to bridge to related data still by the way of manual work surveying
There are various disadvantages in amount, record, analysis and process, this monitoring mode, for example：Time-consuming to complete a bridge monitoring, it is difficult to
Keep the uniformity of each measuring point data working condition；Be difficult to elimination different time data measured is affected to make by other factors such as temperature
Into deviation；Because manual work, subjectivity are strong, artificial error even mistake, data processing stream are inevitably introduced
Journey is complicated；Partial Bridges measure action need high-altitude and operation at sea, there is higher job safety risk；Cannot accomplish in real time
, for urgent situation (such as natural calamity, overload, ship collision) suddenly lacks timely early warning, for example, there is ship and hit in monitoring
Bridge accident, it is impossible to which the very first time notifies that rescue maintenance personal reaches the spot, it is also difficult to inform gap bridge vehicle in time, more cannot be to bridge
The safe condition of beam carries out quickly analyzing and processing etc..
From the foregoing, it will be observed that cannot be accomplished rapidly and efficiently to bridge, especially large complicated bridge by the way of manual work
Monitoring.And be all mostly at present using the wired connection such as CAN or RS485 buses when being monitored using sensor
Mode, with increasing for number of sensors and species, the gauze complexity of wired connection can be multiplied, and in turn result in huge
Big cost.
In recent years, also it is proposed that realizing the bridge that local network couples with remote terminal by wired or wireless way
Monitoring technology, such as sensor-based bridge automatic detection system with Chinese invention patent 200910211105.0 as representative
System, is provided with multiple field monitoring subsystems and remote monitoring center, and wherein each field monitoring subsystem includes local control meter
Calculation machine and the signal pickup assembly being connected in local control computer, remote monitoring center is by software bus platform and each signal
Harvester couples, and changes data by software bus platform and is made remote monitoring center realize number with each signal pickup assembly
According to exchange such that it is able to very convenient to realize each identical or different bridge field monitoring subsystem with remote monitoring center
Data communication.This kind of technology simply efficiently solves data exchange, the data of field monitoring subsystem and remote monitoring center
The problems such as distributed storage and equipment dilatation, do not refer to bridge data gather accuracy, real-time the problems such as, it is difficult to assess
The health status of bridge.
It is therefore desirable to set up new bridge automation remote monitoring system, to quick, efficient, real-time monitoring and
Security and health status of the assessment bridge during runing.
The content of the invention：
In order to solve the problems of prior art, the utility model proposes the bridge remote auto based on MEMS technology
Change real-time monitoring device, energy real-time fitting measures the inclination of static deflection, dynamic deflection, bridge tower bridge floor and the bridge pier of bridge floor
Degree, and bridge health state can be assessed according to the dynamic response of bridge, provide for the diagnosis of bridge damnification, on-call maintenance maintenance
Important evidence.
The utility model bridge remote automation real-time monitoring system adopts the following technical scheme that to realize：Based on MEMS skills
The bridge remote automation real-time monitoring device of art, including MEMS obliquity sensors, MEMS acceleration transducers, transmission network and
Data center, MEMS obliquity sensors are quiet under load action to obtain bridge for being monitored to the inclination of bridge member
State amount of deflection, MEMS acceleration transducers are used to monitor acceleration to obtain bridge dynamic deflection function and the natural frequency of vibration；MEMS inclination angles
Sensor, MEMS acceleration transducers are connected respectively with transmission network, by transmission network by the bridge data information monitored
It is sent to data center.
Preferably, the MEMS obliquity sensors include be sequentially connected MEMS obliquity information acquisition modules, modular converter,
Main control module and sending module, bridge tilt data of the main control module according to acquired in MEMS obliquity information acquisition modules is fitted
Go out static deflection of the bridge under load action.The MEMS obliquity sensors are preferably mounted at bridge tower, bridge floor and pier location,
For being monitored to the inclination of bridge member, the inclination monitoring of wherein bridge floor includes being monitored to the inclination with direction across bridge along bridge.
Preferably, the MEMS acceleration transducers include MEMS acceleration information acquisition modules, the conversion being sequentially connected
Module, main control module and sending module；Main control module is using self compensation algorithm to acquired in MEMS acceleration information acquisition modules
Accekeration be modified, calculate bridge dynamic deflection function and the natural frequency of vibration, bridge is obtained based on accekeration
Acceleration responsive, and then assess the integral dynamic properties of bridge structure.The MEMS acceleration transducers are preferably mounted at bridge floor
With bridge tower position, for being monitored to the horizontally and vertically accekeration of bridge floor and bridge tower.
Compared with prior art, the utility model has following beneficial effect：
1st, obliquity sensor of the present utility model and acceleration transducer, can real-time monitoring bridges based on MEMS technology
Inclination, vibration and amount of deflection, the inclination of the real-time fitting measurement static deflection of bridge floor, dynamic deflection, bridge tower bridge floor and bridge pier
Degree simultaneously can assess bridge health state according to the dynamic response of bridge, provide for the diagnosis of bridge damnification, on-call maintenance maintenance
Important evidence, can real-time, monitor bridge health situation.
2nd, signals collecting and wireless sending module are all provided with inside all the sensors, are carried out to the data to gathering pre-
Process, store and send；Then data are supervised the information transmission for reflecting bridge running status to bridge health by wireless network
In surveying software, to be analyzed to data message, process and show, bridge management and attendant carry out accordingly real-time monitoring bridge
The operation conditions of beam.
3rd, in order to avoid the drift of MEMS acceleration transducers affects, using self compensation algorithm, under the conditions of no-load
Bridge vibration speed is 0 characteristic, and accekeration is modified, and calculates the power such as bridge dynamic deflection function and the natural frequency of vibration
Parameter.
Description of the drawings：
Fig. 1 is bridge remote automation real-time monitoring system block diagram of the utility model based on MEMS technology；
In Fig. 2, (a) it is the utility model MEMS obliquity sensor hardware structure diagrams, is (b) that MEMS acceleration transducers are hard
Part structure chart；
Fig. 3 is arrangement schematic diagram of the utility model sensor in bridge structure；
Fig. 4 is design flow diagram of the utility model based on the bridge remote automation method of real-time of MEMS technology；
In above-mentioned figure, 1, MEMS obliquity sensors；2nd, MEMS acceleration transducers；3rd, strain gauge；4th, great-scale displacement meter；
5th, Temperature Humidity Sensor；6th, Suo Liji；7th, bridge tower；8th, bridge floor；9th, bridge pier；10th, drag-line.
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 embodiment not limited to this of type.
Embodiment
As shown in figure 1, the utility model bridge remote automation monitoring system, including in sensor, transmission network, data
The heart, bridge health monitoring command centre and mobile client, wherein sensor include that MEMS obliquity sensors, MEMS acceleration are passed
Sensor and other sensors, other sensors include strain gauge, Suo Liji, great-scale displacement meter and Temperature Humidity Sensor etc..
MEMS obliquity sensors and MEMS acceleration transducers are used for inclination, vibration and the amount of deflection of real-time monitoring bridge.All the sensors
Inside is provided with signals collecting and wireless sending module, and is connected with transmission network respectively, will be monitored by transmission network
Bridge data information be sent to data center；Data center is analyzed, processes to bridge data information, assesses the strong of bridge
Health situation, bridge health monitoring command centre and mobile client obtain the healthy shape of bridge by the access to data center
Condition.Transmission network preferred wireless transmission network, such as GPRS, 3G or 4G mobile network.
MEMS obliquity sensors include be sequentially connected MEMS obliquity information acquisition modules, modular converter, main control module and
Sending module, aforementioned modules are powered by high-precision regulated power supply, such as shown in Fig. 2 (a).MEMS acceleration transducers include connecting successively
MEMS acceleration information acquisition modules, modular converter, main control module and the sending module for connecing, aforementioned modules are by high-precision voltage stabilizing electricity
Source powers, such as shown in Fig. 2 (b).Temperature can be set in MEMS obliquity information acquisition modules, MEMS acceleration information acquisition modules
Sensor；Also temperature sensor can be arranged on outside MEMS obliquity information acquisition modules, MEMS acceleration information acquisition modules, temperature
Degree sensor is connected with modular converter.
Referring to Fig. 3, for accurate, real-time monitoring bridge health data information, the utility model senses at MEMS inclination angles
Device 1 is arranged on bridge tower 7, bridge floor 8 and the position of bridge pier 9, and for being monitored to the inclination of bridge member, the wherein inclination of bridge floor is supervised
Survey includes being monitored to the inclination with direction across bridge along bridge, and using tilt data fitting static state of the operation bridge under load action is drawn
Amount of deflection.Fitting precision to improve static deflection, can suitably increase the quantity of MEMS obliquity sensors, be inclined with improving MEMS
Angle transducer be arranged on along bridge to density.
MEMS acceleration transducers 2 are arranged on into bridge floor 8 and the position of bridge tower 7, for the level of bridge floor and bridge tower and perpendicular
It is monitored to acceleration.In order to avoid the drift of MEMS acceleration transducers affects, the utility model adopts self compensation algorithm,
Using the characteristic that bridge vibration speed under the conditions of no-load is 0, accekeration is modified, calculates bridge dynamic deflection function
With the kinetic parameter such as the natural frequency of vibration.Based on the acceleration signal monitored by MEMS acceleration transducers, adding for bridge is obtained
Speed responsive, so assess bridge structure integral dynamic properties, accordingly the damage to bridge and health status carry out diagnosis and
Assessment.
Strain gauge 3 is arranged in the armored concrete for needing monitoring, for being monitored to the strain of reinforcing bar and concrete；
Suo Li meters 6 are attached on drag-line, for being monitored to the fundamental frequency of bridge cable 10, pulling force and amplitude；Great-scale displacement meter 4 is pacified
Pier location is mounted in, for being monitored to the sedimentation of bridge pier 9；Temperature Humidity Sensor 5 is arranged on sensitive to temperature and humidity
Bridge position, for the monitoring of temperature and humidity.If there is other monitoring requirements, such as the monitoring of bridge periphery wind-force, can
To install corresponding sensor in relevant position.
Before the utility model monitoring system starts, all the sensors, including signals collecting and wireless sending module are debugged,
Ensure all of equipment all normal works.The utility model bridge remote automation real-time monitoring system, the course of work include with
Lower step：
S1, the tilt condition that bridge floor, bridge pier and bridge tower are measured by MEMS obliquity sensors, are converted into corresponding inclination angle letter
Breath, is processed by main control module, and fitting draws static deflection of the operation bridge under load action, and is passed by sending module
It is defeated by data center.Static deflection fitting precision can be improved by the appropriate quantity for increasing MEMS obliquity sensors.
S2, the horizontally and vertically vibration state that bridge floor and bridge tower are measured by MEMS acceleration transducers, are converted into corresponding
Acceleration signal, main control module obtains the acceleration responsive of bridge according to acceleration signal, calculates bridge moving parameter and power
Attribute, assesses the integral dynamic properties and degree of impairment of bridge structure, and is transferred to data center by sending module.
S3, the strain ginseng for measuring bridge respectively by strain gauge, Suo Liji, great-scale displacement meter and Temperature Humidity Sensor
Number, drag-line parameter, displacement and humiture etc., and data center is transferred to by sending module.
The data message of the reflection bridge health situation that S4, data center are transmitted to step S1-3 is analyzed, processes
And display, the health status of bridge is estimated, and the data message that transfinites is carried out and alarm.
S5, bridge management and attendant either in bridge health monitoring command centre, still pass through at the scene movement
Client, can in real time control the operation conditions of bridge, it is achieved thereby that bridge health is long-range by accessing data center
Automation real-time monitoring.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned
The restriction of enforcement, it is other it is any without departing from the change made under Spirit Essence of the present utility model and principle, modification, replacement,
Combine, simplify, should be equivalent substitute mode, be included within protection domain of the present utility model.
Claims (10)
1. based on MEMS technology bridge remote automation real-time monitoring device, it is characterised in that including MEMS obliquity sensors,
MEMS acceleration transducers, transmission network and data center, MEMS obliquity sensors are used to supervise the inclination of bridge member
Survey to obtain static deflection of the bridge under load action, MEMS acceleration transducers are used to monitor acceleration to obtain bridge moving
Deflection functions and the natural frequency of vibration；MEMS obliquity sensors, MEMS acceleration transducers are connected respectively with transmission network, by transmission
The bridge data information monitored is sent to data center by network.
2. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
The MEMS obliquity sensors include MEMS obliquity information acquisition modules, modular converter, main control module and the transmission being sequentially connected
Module, bridge tilt data fitting of the main control module according to acquired in MEMS obliquity information acquisition modules show that bridge is made in load
Static deflection with.
3. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 2, it is characterised in that
The MEMS obliquity sensors are arranged on bridge tower, bridge floor and pier location, for being monitored to the inclination of bridge member, wherein
The inclination monitoring of bridge floor includes being monitored to the inclination with direction across bridge along bridge.
4. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
The MEMS acceleration transducers include be sequentially connected MEMS acceleration information acquisition modules, modular converter, main control module and
Sending module；Main control module is repaiied using self compensation algorithm to the accekeration acquired in MEMS acceleration information acquisition modules
Just, bridge dynamic deflection function and the natural frequency of vibration are calculated, the acceleration responsive of bridge, Jin Erping is obtained based on accekeration
Estimate the integral dynamic properties of bridge structure.
5. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 4, it is characterised in that
The MEMS acceleration transducers are arranged on bridge floor and bridge tower position, for the horizontally and vertically accekeration to bridge floor and bridge tower
It is monitored.
6. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
Also include the strain gauge being connected with transmission network, the strain gauge is arranged in the armored concrete for needing monitoring, for steel
The strain of muscle and concrete is monitored.
7. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
Also include the Suo Liji being connected with transmission network, the Suo Li meters are attached on bridge cable, for the fundamental frequency of bridge cable,
Pulling force and amplitude are monitored.
8. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
Also include：The great-scale displacement meter being connected with transmission network, the great-scale displacement meter is arranged on pier location, for bridge pier
Sedimentation be monitored；And bridge health monitoring command centre, the mobile client being connected with data center respectively.
9. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 1, it is characterised in that
The transmission network is wireless network.
10. the bridge remote automation real-time monitoring device based on MEMS technology according to claim 9, its feature exists
In the wireless network is GPRS, 3G or 4G mobile network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916150.1U CN206096875U (en) | 2016-08-22 | 2016-08-22 | Bridge remote automation real -time supervision device based on MEMS technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620916150.1U CN206096875U (en) | 2016-08-22 | 2016-08-22 | Bridge remote automation real -time supervision device based on MEMS technique |
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| CN206096875U true CN206096875U (en) | 2017-04-12 |
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ID=58468990
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543670A (en) * | 2017-08-15 | 2018-01-05 | 福建省永正工程质量检测有限公司 | A kind of Urban Bridge stability detector |
| CN109756860A (en) * | 2018-12-20 | 2019-05-14 | 深圳高速工程顾问有限公司 | Bridge structure collecting method, device, computer equipment and storage medium |
| CN110470373A (en) * | 2019-08-16 | 2019-11-19 | 东南大学 | A kind of two-way bridge vibration monitoring device |
| CN110514174A (en) * | 2019-06-04 | 2019-11-29 | 上海浦江桥隧运营管理有限公司 | A kind of bridge pier safety detection object detection system |
| CN111855246A (en) * | 2020-07-06 | 2020-10-30 | 大连理工大学 | Vehicle-mounted sensing device and method for measuring vibration displacement of bridge |
-
2016
- 2016-08-22 CN CN201620916150.1U patent/CN206096875U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543670A (en) * | 2017-08-15 | 2018-01-05 | 福建省永正工程质量检测有限公司 | A kind of Urban Bridge stability detector |
| CN109756860A (en) * | 2018-12-20 | 2019-05-14 | 深圳高速工程顾问有限公司 | Bridge structure collecting method, device, computer equipment and storage medium |
| CN110514174A (en) * | 2019-06-04 | 2019-11-29 | 上海浦江桥隧运营管理有限公司 | A kind of bridge pier safety detection object detection system |
| CN110514174B (en) * | 2019-06-04 | 2022-05-10 | 上海浦江桥隧运营管理有限公司 | Pier safety inspection target detection system |
| CN110470373A (en) * | 2019-08-16 | 2019-11-19 | 东南大学 | A kind of two-way bridge vibration monitoring device |
| CN111855246A (en) * | 2020-07-06 | 2020-10-30 | 大连理工大学 | Vehicle-mounted sensing device and method for measuring vibration displacement of bridge |
| CN111855246B (en) * | 2020-07-06 | 2021-12-03 | 大连理工大学 | Vehicle-mounted sensing device and method for measuring vibration displacement of bridge |
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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: Tianhe Road 510620 Guangdong city of Guangzhou province Tianhe District 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. |