CN206039247U - Bridge structures health monitoring system - Google Patents
Bridge structures health monitoring system Download PDFInfo
- Publication number
- CN206039247U CN206039247U CN201621071946.8U CN201621071946U CN206039247U CN 206039247 U CN206039247 U CN 206039247U CN 201621071946 U CN201621071946 U CN 201621071946U CN 206039247 U CN206039247 U CN 206039247U
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- Prior art keywords
- bridge
- health monitoring
- monitoring system
- capture cards
- controllers
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Abstract
The utility model discloses a bridge structures health monitoring system, including the PC, the NI9074 controller be connected with this PC to reach two at least monitoring nodes being connected with the NI9074 controller, every monitoring node all includes first collection node, second collection node and the third collection node of being connected with the NI9074 controller, first collection node includes an environment sensing device and a NI capture card of being connected with the environment sensing device, the second is gathered the node and is included bridge deformation induction system and the 2nd NI capture card of being connected with bridge deformation induction system, the third is gathered the node and is included bridge state induction system and the 3rd NI capture card of being connected with bridge state induction system. The utility model discloses can ensure the reliability of the collection and the transmission of data to systematic redundancy be can effectively ensure, bridge structures health monitoring's the reliable degree and the degree of accuracy have effectively been improved.
Description
Technical field
This utility model belongs to bridge monitoring technical field, and in particular to a kind of bridge health monitoring system.
Background technology
With the high speed development of nation-building, various bridge is widely used in traffic route, and bridge health monitoring
Pith of the technology as technical field of bridge engineering, plays particularly important effect to the safe passing of bridge.With existing
Deepening continuously for theoretical research, and the maturation of bridge construction technology and perfect, the bridge layer that various new materials, new technology are built goes out
It is not poor, but, As time goes on, all can be subject to more or less because of a variety of causes through the bridge structure of life-time service
Damage, so as to need to take the reinforcement measures such as maintenance, reinforcing and transformation, so, health monitoring is carried out to old bridge unsafe bridge and is just seemed
It is particularly urgent and important.
Utility model content
The purpose of this utility model is to provide a kind of bridge higher based on NI, simple structure, convenient to carry out and cost performance
Structural healthy monitoring system.
For achieving the above object, the technical solution adopted in the utility model is as follows：
A kind of bridge health monitoring system, including PC, the NI9074 controllers being connected with the PC, Yi Jiyu
At least two monitoring nodes of NI9074 controllers connection, described each monitoring node include what is be connected with NI9074 controllers
First acquisition node, the second acquisition node and the 3rd acquisition node；First acquisition node include environment induction device and
The NI capture cards being connected with environment induction device；Second acquisition node includes bridge deformation induction installation, Yi Jiyu
2nd NI capture cards of bridge deformation induction installation connection；3rd acquisition node include bridge sensing state and
The 3rd NI capture cards being connected with bridge sensing state；
The power supply that the input of the NI9074 controllers is also associated with image collecting module and powers to whole system
Module；The outfan of the NI9074 controllers be connected with flash storage, for the data for collecting exceed given threshold
When give a warning audible-visual annunciator and display；The power module includes DC source, solar panel and accumulator.
Specifically, the NI9074 controllers be also associated with synchronous trigger controller between monitoring node.
Specifically, in the monitoring node environment induction device, bridge deformation induction installation, bridge state sensing dress
Put, and NI capture cards, the 2nd NI capture cards, the 3rd NI capture cards are periodically hammered into shape into line sensitivity school by Schmidt
It is accurate.
Specifically, the image collecting module includes the shooting that multiple stage under the control of NI9074 controllers starts or closes
Machine, for the collection image information in emergency or after receiving warning message.
Specifically, the display is used for showing the real time data of bridge health monitoring node, including one piece of 160x160mm
Liquid crystal and six press keys.
Specifically, the environment induction device includes temperature sensor, humidity sensor and wind direction/wind speed detector；Institute
State temperature sensor, humidity sensor and wind direction/wind speed detector to be connected with NI capture cards via signal conditioner.
Specifically, the bridge deformation induction installation includes differential pressure type deformation measurement sensor, fixed inclinometer, displacement meter
With surface-type strain gauge；The differential pressure type deformation measurement sensor, fixed inclinometer, displacement meter and surface-type strain gauge via
Signal conditioner is connected with the 2nd NI capture cards.
Specifically, the bridge sensing state includes vibrating sensor, slit gauge and acceleration transducer；It is described to shake
Dynamic sensor, slit gauge and acceleration transducer are connected with the 3rd NI capture cards via signal conditioner.
Specifically, the model of NI capture cards and the 3rd capture card is NI9234.
Specifically, model NI9205 of the 2nd NI capture cards.
Compared with prior art, this utility model has the advantages that：
(1) power module of the present utility model employs three-level insurance power supply mode, is solar panel, direct current respectively
Power supply and accumulator, it can be ensured that the system under any circumstance can normal power supply；Image collecting module of the present utility model,
Audible-visual annunciator is started when emergency occurring or fortuitous event occurs, and each monitoring node in monitoring network
It is should to control and start, and the information monitoring of respective regions can be started as needed, energy saving；Meanwhile, amount of storage is few, then deposit
The time that storage data update is long, facilitates the later stage to inquire about.
(2) this utility model is additionally provided with display, for showing the real time data of bridge health monitoring node, and in real time
The current working condition of inquiry bridge health monitoring node, and some parameter informations are changed, to reach the purpose of real-time monitoring.
(3) this utility model is provided with environment induction device, bridge deformation induction installation and bridge sensing state, can
All kinds of parameters of bridge operation safety are affected with real-time monitoring, and lesion assessment is carried out with this, so as to the operation maintenance for bridge
There is provided decision information, it is ensured that bridge security reliability service.Meanwhile, multiple NI capture cards are set, and are provided with calibration sensitivity
Mechanically calibrated instrument Schmidt hammer, sensitivity calibration that can be before each bridge monitoring to capture card improve bridge monitoring
The reliability that device is used；Unified by the NI capture cards that NI9074 controllers pair are connected with different types of induction installation
Management, such set-up mode allow each induction installation to be connected with the NI capture cards in respective regions according to nearby principle, from
And data acquisition and the reliability transmitted is substantially ensured that, and can effectively guarantee the redundancy of system, effectively increase bridge monitoring
Reliability and accuracy.And the system structure is simple, convenient to carry out and cost performance is higher.
Description of the drawings
Fig. 1 is system block diagram of the present utility model.
Fig. 2 is monitoring node block diagram of the present utility model.
Specific embodiment
The utility model is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings, and mode of the present utility model includes
But it is not limited only to following examples.
As shown in figure 1, this utility model provide a kind of bridge monitoring system, it include PC, NI9074 controllers and
At least two monitoring nodes, the NI9074 controllers are connected with PC, realize data transfer and communication.
The input of the NI9074 controllers is connected with synchronous trigger controller, controls for emergency or in NI9074
The image collecting module of image information, and the power module for powering to whole system is gathered under the control of device processed；It is described
The outfan of NI9074 controllers is connected with the display for showing monitoring network real time data, and for collecting
The audible-visual annunciator that data exceed given threshold or give a warning when being in an emergency；The NI9074 controllers also be used for
The flash storage of the monitoring information of storage whole system is connected；The synchronous trigger controller is also associated with for monitoring bridge
Multiple monitoring nodes of beam health status.
Wherein, the display is used for showing the real time data of bridge health monitoring node, including one piece of 160x160mm's
Liquid crystal and six press keys, can be used for the current working condition of real-time query bridge health monitoring node, and change some parameters
Information, to reach the purpose of real-time monitoring；The power module includes DC source, solar panel and accumulator, adopts
Three-level insurance power supply mode, it can be ensured that the system under any circumstance can normal power supply.
And in monitoring process, if there is emergency, or find the data that collect beyond threshold value, then sound and light alarm
Device can sending sound flash alarm system, meanwhile, NI9074 controllers can open the image collecting module collection image letter in respective regions
Breath.Wherein, the image collecting module includes multiple photographic head.
As shown in Fig. 2 described each monitoring node include being connected with NI9074 controllers the first acquisition node, second
Acquisition node and the 3rd acquisition node；First acquisition node is included environment induction device and is connected with environment induction device
The NI capture cards for connecing；Second acquisition node include bridge deformation induction installation and with bridge deformation induction installation
2nd NI capture cards of connection；3rd acquisition node is included bridge sensing state and is filled with the sensing of bridge state
Put the 3rd NI capture cards of connection；
And, environment induction device, bridge deformation induction installation in the monitoring node, bridge sensing state,
And NI capture cards, the 2nd NI capture cards, the 3rd NI capture cards periodically carry out sensitivity calibration by Schmidt's hammer.
As shown in Fig. 2 NI capture cards, the 2nd NI capture cards and the 3rd NI capture cards described in the present embodiment with
NI9074 controllers connect, and the model of NI capture cards, the 2nd NI capture cards and the 3rd NI capture cards is respectively
NI9234, NI9205 and NI9234, wherein, NI9234 capture cards have 4 analog input channels, and 24 bit resolutions, when internal main
During base, sample rate is 51.2kS/s～1.652kS/s, and when outside main, during base, sample rate is 0.391kS/s～52.734kS/s, defeated
It is ± 5V to enter voltage range, and IEPE exciting currents (the optional ON/OFF of software) minima is 2.0mA；NI9205 capture cards have 32
The input of single-ended or 16 difference analogues, there is provided total sampling rate up to 250kS/s, 16bits resolution, each passage are compiled
Journey input range is ± 200mV, ± 1V, ± 5V and ± 10V.Also, actual demand is considered, on described NI9074 controllers
Can be with integrated multiple slots so that system when needed, can flexible integrated corresponding functional module.
The environment induction device is used for sensing bridge temperature, appropriate and each region wind direction and wind speed.The environment induction is filled
Put and specifically include temperature sensor, humidity sensor and wind direction/wind speed detector, wherein, temperature sensor is arranged on bridge structure
On the part and each region of bridge, for sensing the temperature of bridge local environment and the temperature of bridge member；Humidity sensor is arranged on
On the bridge member and each region of bridge, for sensing the humidity of bridge local environment and the humidity of bridge member；Wind direction/wind speed inspection
Survey instrument and be arranged on each region of bridge, for sensing the wind speed/wind direction of bridge zones of different.It is in the present embodiment, temperature sensor, wet
Degree sensor and wind direction/wind speed detector are connected with NI capture cards via signal conditioner (also referred to as isolating transmitter module)
Connect.
The bridge deformation induction installation is used for determining on deflection of bridge span, gradient and abutment and bridge shape at expansion joint
Become.The bridge deformation induction installation specifically includes differential pressure type deformation measurement sensor, fixed inclinometer, displacement meter and surface-type should
Become meter, wherein, differential deformation measurement sensor is installed on bridge floor each position, for determining scratching for bridge floor each position
Degree；Fixed inclinometer is installed on bridge pier and the bridge tower position of bridge, for determining the gradient of bridge pier and bridge tower；Displacement meter
It is installed at the expansion joint on the abutment and bridge of bridge, for determining the deformation on abutment and bridge at expansion joint；Surface-type
Strain gauge is installed on the surface of beam body, bridge tower and the bridge pier of bridge, for determining the surface strain of beam body, bridge tower and bridge pier.This
In embodiment, differential pressure type deformation measurement sensor, fixed inclinometer, displacement meter and surface-type strain gauge are via signal conditioner
It is connected with the 2nd NI capture cards.
The bridge sensing state is used for determining bridge vibration frequency and size, Bridge Crack size and bridge accelerate
Degree response.The bridge sensing state specifically includes vibrating sensor, slit gauge and acceleration transducer, and wherein, vibration is passed
Sensor is installed at bridge tower, bridge pier and the body of a bridge of bridge, and the frequency of vibration and vibration for determining bridge tower, bridge pier and the body of a bridge is big
It is little；Slit gauge is installed at each crack of bridge, for determining the Size of Crack at each crack；Acceleration transducer is installed on bridge
At the girder and Sarasota of beam, for determining girder and the acceleration responsive at Sarasota.In the present embodiment, vibrating sensor, crack
Meter and acceleration transducer are connected with the 3rd NI capture cards via signal conditioner.
The simple structure of the present embodiment system, convenient to carry out and cost performance is higher, and its set-up mode can make each sensor can
To be connected with the NI capture cards in respective regions according to nearby principle, then it is uniformly controlled by NI9074 controllers and process is received
Information, can substantially ensure that the reliability of the collection and transmission of data, and can effectively guarantee the redundancy of system, effectively increase
The reliability and accuracy of bridge structural health monitoring.
Above-described embodiment is only one of preferred implementation of the present utility model, be should not be taken to limit of the present utility model
Protection domain, as long as in body design thought of the present utility model and the change for having no essential meaning mentally made or profit
Color, the technical problem solved by which are still consistent with this utility model, should be included in protection domain of the present utility model
Within.
Claims (8)
1. a kind of bridge health monitoring system, including PC, the NI9074 controllers being connected with the PC, Yi Jiyu
At least two monitoring nodes of NI9074 controllers connection, it is characterised in that：Described each monitoring node includes and NI9074
First acquisition node of controller connection, the second acquisition node and the 3rd acquisition node；First acquisition node includes environment
Induction installation and the NI capture cards being connected with environment induction device；Second acquisition node includes bridge deformation sense
The 2nd NI capture cards answered device and be connected with bridge deformation induction installation；3rd acquisition node includes bridge state
Induction installation and the 3rd NI capture cards being connected with bridge sensing state；
The power supply mould that the input of the NI9074 controllers is also associated with image collecting module and powers to whole system
Block；The outfan of the NI9074 controllers be connected with flash storage, for the data for collecting exceed given threshold when
Give a warning audible-visual annunciator and display；The power module includes DC source, solar panel and accumulator.
2. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The NI9074 controllers
Synchronous trigger controller is also associated with between monitoring node.
3. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The image collecting module
Including the video camera that multiple stage under the control of NI9074 controllers starts or closes, in emergency or after receiving warning message
Collection image information.
4. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The environment induction device
Including temperature sensor, humidity sensor and wind direction/wind speed detector；The temperature sensor, humidity sensor and wind direction/wind
Fast detector is connected with NI capture cards via signal conditioner.
5. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The bridge deformation sensing
Device includes differential pressure type deformation measurement sensor, fixed inclinometer, displacement meter and surface-type strain gauge；The differential pressure type deformation is surveyed
Quantity sensor, fixed inclinometer, displacement meter and surface-type strain gauge are connected with the 2nd NI capture cards via signal conditioner.
6. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The bridge state sensing
Device includes vibrating sensor, slit gauge and acceleration transducer；The vibrating sensor, slit gauge and acceleration transducer are equal
It is connected with the 3rd NI capture cards via signal conditioner.
7. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The first NI capture cards
NI9234 is with the model of the 3rd capture card.
8. a kind of bridge health monitoring system according to claim 1, it is characterised in that：The 2nd NI capture cards
Model NI9205.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071946.8U CN206039247U (en) | 2016-09-22 | 2016-09-22 | Bridge structures health monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621071946.8U CN206039247U (en) | 2016-09-22 | 2016-09-22 | Bridge structures health monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206039247U true CN206039247U (en) | 2017-03-22 |
Family
ID=58296431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621071946.8U Expired - Fee Related CN206039247U (en) | 2016-09-22 | 2016-09-22 | Bridge structures health monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206039247U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179172A (en) * | 2017-06-08 | 2017-09-19 | 福州市公路局 | Bridge pier based on jump bit washes away condition monitoring system and method |
| CN108279294A (en) * | 2017-12-27 | 2018-07-13 | 江苏省建筑工程质量检测中心有限公司 | For steel structure bridge health monitoring without loss automatic monitoring system and method |
| CN108458752A (en) * | 2018-03-23 | 2018-08-28 | 于军辉 | A kind of control system in damping bridge |
| CN110211340A (en) * | 2019-06-04 | 2019-09-06 | 深圳市置华机电设备有限公司 | A kind of electromechanics shock resistant network remote monitoring system and method |
| CN111750974A (en) * | 2020-06-30 | 2020-10-09 | 天津市职业大学 | Bridge pier vibration measurement system |
| CN112445192A (en) * | 2020-11-20 | 2021-03-05 | 河南交通职业技术学院 | Automatic road and bridge control method and system |
-
2016
- 2016-09-22 CN CN201621071946.8U patent/CN206039247U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179172A (en) * | 2017-06-08 | 2017-09-19 | 福州市公路局 | Bridge pier based on jump bit washes away condition monitoring system and method |
| CN108279294A (en) * | 2017-12-27 | 2018-07-13 | 江苏省建筑工程质量检测中心有限公司 | For steel structure bridge health monitoring without loss automatic monitoring system and method |
| CN108279294B (en) * | 2017-12-27 | 2018-11-20 | 江苏省建筑工程质量检测中心有限公司 | For steel structure bridge health monitoring without loss automatic monitoring system and method |
| CN108458752A (en) * | 2018-03-23 | 2018-08-28 | 于军辉 | A kind of control system in damping bridge |
| CN110211340A (en) * | 2019-06-04 | 2019-09-06 | 深圳市置华机电设备有限公司 | A kind of electromechanics shock resistant network remote monitoring system and method |
| CN111750974A (en) * | 2020-06-30 | 2020-10-09 | 天津市职业大学 | Bridge pier vibration measurement system |
| CN112445192A (en) * | 2020-11-20 | 2021-03-05 | 河南交通职业技术学院 | Automatic road and bridge control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20170922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |