CN202694545U - Cluster-type real-time bridge safety monitoring system based on Wi-Fi network technology - Google Patents
Cluster-type real-time bridge safety monitoring system based on Wi-Fi network technology Download PDFInfo
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- CN202694545U CN202694545U CN 201220138068 CN201220138068U CN202694545U CN 202694545 U CN202694545 U CN 202694545U CN 201220138068 CN201220138068 CN 201220138068 CN 201220138068 U CN201220138068 U CN 201220138068U CN 202694545 U CN202694545 U CN 202694545U
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Abstract
The utility model provides a cluster-type real-time bridge safety monitoring system based on Wi-Fi (Wireless Fidelity) network technology. By adopting the structure provided by the utility model, a real-time bridge safety monitoring center can simultaneously display and analyze safety monitoring conditions of a plurality of bridges so as to enable a decision maker to conveniently optimize and plan the maintenance of the bridge cluster in the area as a whole according to different expenditure budgets; and the cluster-type bridge safety monitoring can be used for realizing the transverse comparison and unified management of the safety state data of the plurality of bridges scattered in a larger area to completely solve the problem of 'information shutter island' that mutual information sharing among single-bridge safety monitoring systems cannot be realized; and the longitudinal and transverse analysis and comparison of the bridges with similar environments but different structures or the bridges with different environments but different structures are facilitated so as to be helpful for promoting the optimal design of the bridge structure and realizing the maintenance and reinforcement of the plurality of bridges.
Description
Technical field
The present invention relates to bridge security Real-time Monitor Technique field, be specifically related to a kind of cluster bridge safety real-time monitoring system based on the Wi-Fi network technology.
Background technology
Bridge construction is one of important capital construction of country, and science of bridge building is the lifeline engineering of tie society and Development of Economy.The fast development of bridge construction, huge fund input, the illustrious effect in economic society is so that people more and more pay attention to security, the permanance of bridge.Meanwhile, the bridge of China is faced with the problem same with the bridge of numerous countries in the world, and that is exactly that large quantities of bridges have entered the aged stage, and various diseases appear in some bridges already, but throughout the year in spite of illness operation, and huge potential safety hazard lies dormant.The detection evaluation problem of the structural safety of quite not brought because of originally design load standard and current actual loading condition in addition; A lot of load carrying capacity of bridge are not enough, bridge deck width does not meet current driving requirement.Untimely elimination bridge construction, operating potential safety hazard certainly will cause economy and personnel's massive losses, and irrational, too early transformation are huge financial burden, will expend substantial contribution, and cause many social concerns such as interruption of communication.Exceed the time limit the to overload various unsafe bridges, the old bridge that use is not within minority, and the Bridge Accidents of car crash happens occasionally.
Administer level for improving bridge, more accurate judgement bridge practical working situation, for bridge strengthening or overhaul provide foundation, on the basis that bridge outward appearance disease checks, existing military service bridge is carried out security monitoring, and grasping in real time the bridge security status data becomes the key subjects that ensure traffic safety and promote social harmony.
For a long time, for the safety detection of bridge always take manual method as main.The manual detection monitoring not only needs a large amount of manpower and materials, and can not in time pinpoint the problems, and can not satisfy the needs of bridge security monitoring information acquisition fully.
The bridge security real-time monitoring system adopts the mechanics sensors such as stress, strain, displacement, speed, acceleration, and the environmental sensors such as temperature, humidity consist of sensing network, by modern communication technology Information Monitoring being real-time transmitted to information center analyzes and processes, thereby realize Real Time Monitoring, analysis, assessment to the bridge security situation, and the timely early warning of Dangerous Bridge.
At present, large bridge safety monitoring system spininess carries out data acquisition and detection to single bridge both at home and abroad, because measuring point is numerous and distribute dispersion, far apart each other, and data transmission is many to be finished by cable network, not only installation wiring trouble, cost are high, and monitoring when being difficult to realize to a plurality of large bridges (bridge cluster) safety case.
Wi-Fi be a kind of can be with terminals such as PC, handheld devices (such as PDA, mobile phone) with the interconnected technology of wireless mode.Because worldwide being the therefore WLAN wireless device that need not any telecom operation license, the frequency range of Wi-Fi provides operable in the world wide, the wireless air interface that expense is extremely cheap and data bandwidth is high.The fast development of Wi-Fi network technology is for the cluster bridge security monitoring provides good communication network basis.
The present invention applies to the Wi-Fi network technology in the bridge security supervisory system, by the independent development of software and hardware, realizes the cluster bridge safety real-time monitoring system.
Summary of the invention
The objective of the invention is to overcome weak point of the prior art, a kind of cluster bridge safety real-time monitoring system based on the Wi-Fi network technology is provided, native system adopts at monitored bridge the collection of bridge security status data and processing subsystem is installed, bridge security Real Time Monitoring center is installed on the backstage, and employing Wi-Fi network technology realizes the data transmission between the collection of bridge security status data and processing subsystem and the bridge security Real Time Monitoring center, thereby reduced difficulty of construction and cost, the layout of control point is more flexible.
The object of the invention also is to provide the implementation method of above-mentioned cluster bridge safety real-time monitoring system based on the Wi-Fi network technology.
The objective of the invention is to be achieved through the following technical solutions: the cluster bridge safety real-time monitoring system based on the Wi-Fi network technology comprises:
Be arranged at the collection of bridge security status data and processing subsystem on the bridge, be used for the safe condition parameter of Real-time Collection bridge and generate the bridge security monitor data, adopt wireless mode to be uploaded to bridge security Real Time Monitoring center:
Be arranged at the bridge security Real Time Monitoring center on backstage, be used for receive the bridge security monitor data that bridge security status data collection and processing subsystem are uploaded, and draw by this security state evaluation, relatively reach life prediction, and the bridge inspection and maintenance maintenance is tactful;
This cluster bridge safety real-time monitoring system based on the Wi-Fi network technology comprises the collection of a plurality of bridge security status data and processing subsystem, and each subsystem all carries out data transmission by wireless mode and bridge security Real Time Monitoring center.Realize the real-time security monitoring of cluster bridge with this.
Communication mode between the collection of described bridge security status data and processing subsystem and the bridge security Real Time Monitoring center is the Wi-Fi network technology.The concrete access form that adopts can be according to the signal area coverage and signal intensity selection of the concrete communication mode of bridge, Surveillance center region.
Concrete implementation is:
The collection of described bridge security status data and processing subsystem are provided with:
The bridge environment Monitor And Control Subsystem is measured the bridge environment parameter in real time, comprises wind direction and wind velocity, humiture, air pressure etc.;
Integral bridge vibration monitoring subsystem is measured the integral bridge structure along the vertical, horizontal vibration parameters;
Structure stress of bridge strain monitoring subsystem, the sound attitude ess-strain parameter of structure;
Data pre-service and wireless transmission system, frequency acquisition requirement according to the various different parameters such as sound attitude ess-strain parameter of measuring bridge environment parameter, integral bridge structural deformation parameter, structure, initial parameter is carried out the disposal of gentle filter, after arrangement, form the bridge security supervising data storage to newly-built table data store, regularly the bridge security monitor data is sent to the cluster bridge safety monitoring center by wireless mode.Described bridge environment Monitor And Control Subsystem is provided with: wind direction and wind velocity sensor, Temperature Humidity Sensor, baroceptor etc.;
Described integral bridge vibration monitoring subsystem is provided with: the GPS Vibration-Measuring System; Measure integral bridge along transverse and longitudinal direction vibration parameters.
Described structure stress of bridge strain monitoring subsystem is provided with: resistance-type ess-strain sensor-based system or fiber grating sensing system, all for the sound attitude ess-strain parameter of structure, by the monitoring to the strain of structure dynamic stress, can grasp preferably the response that is subjected to structure under the dynamic loads (vehicle, earthquake, typhoon) of bridge.
Described data pre-service and wireless transmission system are provided with:
The SAM9G10 microprocessor, be used for the frequency acquisition requirement according to the various different parameters such as sound attitude ess-strain parameter of measuring bridge environment parameter, integral bridge Vibration Parameters, structure, initial parameter is carried out the disposal of gentle filter, after arrangement, form the bridge security supervising data storage to table data store;
Wireless communication module is used for the bridge security monitor data of table data store is sent to bridge security Real-Time Monitoring center.
Described wind direction and wind velocity sensor, Temperature Humidity Sensor, baroceptor is connected with the SAM9G10 microprocessor by the D/A modular converter respectively, described wireless communication module is connected with the SAM9G10 microprocessor by the CAN interface, described GPS Vibration-Measuring System is connected with the SAM9G10 microprocessor by the CAN interface, when described structure stress of bridge strain monitoring subsystem is provided with resistance-type ess-strain sensor-based system, resistance-type ess-strain sensor-based system is connected with the SAM9G10 microprocessor by the CAN interface, when described structure stress of bridge strain monitoring subsystem was provided with fiber grating sensing system, fiber grating sensing system was connected with the SAM9G10 microprocessor by the TCP/IP network interface.
Described resistance-type ess-strain sensor-based system comprises stress-strain gage, strain gauge, strain transducer, and strain gauge, strain transducer all are connected with stress-strain gage.
Described fiber grating sensing system comprises fiber Bragg grating (FBG) demodulator, strain gauge, strain transducer, and strain gauge, strain transducer all are connected with fiber Bragg grating (FBG) demodulator.Preferably, described wireless communication module adopts the WI-FI wireless communication module.
Described bridge security Real Time Monitoring center is provided with:
The analysis of bridge structure model, be used for each bridge security status data collection and the bridge security monitor data that processing subsystem is uploaded are input to the structural model of corresponding bridge, calculate the bridge security index parameter of different bridges under current environment and stress, comprise malformation, structural fatigue state, structure dynamic response etc.;
Cluster bridge security monitoring analytic system, each bridge security index parameter that draws according to the analysis of bridge structure model, contrast, analysis by Bridge Design index, relevant bridge standard, and the contrast analysis of similar environment different structure bridge, analog structure varying environment bridge security state, draw respectively safe condition, the life prediction of institute's monitoring bridge cluster, and the maintaining Tactics and measures of planning as a whole.
The implementation method of above-mentioned cluster bridge safety real-time monitoring system based on the Wi-Fi network technology, step is as follows:
The safe condition parameter of the collection of bridge security status data and processing subsystem Real-time Collection bridge also generates the bridge security monitor data, adopts wireless mode to be uploaded to bridge security Real Time Monitoring center;
Bridge security Real Time Monitoring center receives the bridge security monitor data that the collection of a plurality of bridge security status data and processing subsystem are uploaded, and draws by this security state evaluation, relatively reaches life prediction and bridge inspection and maintenance maintenance strategy.
The present invention has the following advantages and beneficial effect compared to existing technology:
The present invention is based on the cluster bridge safety real-time monitoring system of Wi-Fi network technology, native system adopts at concrete bridge the collection of bridge security status data and processing subsystem is installed, bridge security Real Time Monitoring center is installed on the backstage, and employing Wi-Fi network technology realizes the data transmission between the collection of bridge security status data and processing subsystem and the bridge security Real Time Monitoring center, thereby reduced difficulty of construction and cost, the layout of control point is more flexible.And, the collection of a plurality of bridge security status data and processing subsystem can be set, each subsystem all carries out data transmission by wireless mode and bridge security Real Time Monitoring center.Realize the real-time security monitoring of cluster bridge with this.
By the cluster bridge security monitoring, can realize to the lateral comparison that is dispersed in the many bridge blocks safe condition data in the larger zone, unified management, thoroughly changing " information island " situation that single seat bridge security supervisory system in the past can't realize information sharing each other, both be convenient to the unified of many bridge blocks safeguarded, managed, also be convenient to vertical, horizontal analysis Comparison and research to many bridge blocks safety case in the regional environment.
Description of drawings
Fig. 1 is based on the one-piece construction synoptic diagram of the cluster bridge safety real-time monitoring system of the WI-FI communication technology among the embodiment;
Fig. 2 is the structural representation of data acquisition and processing subsystem among the embodiment;
Fig. 3 is the structural representation of the real-time security Surveillance center of embodiment Bridge.
Embodiment
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiments of the present invention are not limited to this.
As shown in Figure 1,
Comprise: the bridge security status data that is arranged on the bridge (1,2...n) gathers and processing subsystem; Be arranged at the bridge security Real Time Monitoring center on backstage;
Each subsystem all carries out data transmission by WI-FI wireless network and bridge security Real Time Monitoring center.
As shown in Figure 2, the collection of bridge security status data and processing subsystem are provided with:
The bridge environment Monitor And Control Subsystem is provided with: wind direction and wind velocity sensor, Temperature Humidity Sensor, baroceptor etc., measure in real time the bridge environment parameter, and comprise wind direction and wind velocity, humiture, air pressure etc.;
Integral bridge deformation monitoring subsystem is provided with the GPS Vibration-Measuring System, measures the integral bridge vibration parameters;
Structure stress of bridge strain monitoring subsystem, be provided with: fiber grating sensing system is used for the sound attitude ess-strain parameter of structure, by the monitoring to the strain of structure dynamic stress, can grasp preferably the response that is subjected to structure under the dynamic loads (vehicle, earthquake, typhoon) of bridge;
Data pre-service and wireless transmission system, frequency acquisition requirement according to the various different parameters such as sound attitude ess-strain parameter of measuring bridge environment parameter, integral bridge structural deformation parameter, structure, initial parameter is carried out the disposal of gentle filter, after arrangement, form the bridge security supervising data storage to newly-built table data store, regularly the bridge security monitor data is sent to the cluster bridge safety monitoring center by wireless mode.Be provided with: the SAM9G10 microprocessor, be used for the frequency acquisition requirement according to the various different parameters such as sound attitude ess-strain parameter of measuring bridge environment parameter, integral bridge structural deformation parameter, structure, initial parameter is carried out the disposal of gentle filter, after arrangement, form the bridge security supervising data storage to table data store; The WI-FI wireless communication module is used for the bridge security monitor data of table data store is sent to bridge security Real Time Monitoring center.
Described wind direction and wind velocity sensor, Temperature Humidity Sensor, seawater salinity sensor are connected with the SAM9G10 microprocessor by the D/A modular converter respectively, described wireless communication module is connected with the SAM9G10 microprocessor by the CAN interface, described GPS deformation measuring system is connected with the SAM9G10 microprocessor by the CAN interface, described structure stress of bridge strain monitoring subsystem is provided with fiber grating sensing system, and fiber grating sensing system is connected with the SAM9G10 microprocessor by the TCP/IP network interface.
Described fiber grating sensing system comprises fiber Bragg grating (FBG) demodulator, strain gauge, strain transducer, and strain gauge, strain transducer all are connected with fiber Bragg grating (FBG) demodulator.
As shown in Figure 3, described bridge security Real Time Monitoring center is provided with:
The analysis of bridge structure model, be used for each bridge security status data collection and the bridge security monitor data that processing subsystem is uploaded are input to the structural model of corresponding bridge, calculate the bridge security index parameters such as malformation, structural fatigue state, structure dynamic response, steel bar corrosion of different bridges under current environment and stress;
Cluster bridge security monitoring analytic system, each bridge security index parameter that draws according to the analysis of bridge structure model, contrast, analysis by Bridge Design index, relevant bridge standard, and the contrast analysis of similar environment different structure bridge, analog structure varying environment bridge security state, draw respectively safe condition, the life prediction of institute's monitoring bridge cluster, and the maintaining Tactics and measures of planning as a whole.
The implementation method of above-mentioned cluster bridge safety real-time monitoring system based on the Wi-Fi network technology, step is as follows:
The safe condition parameter of the collection of bridge security status data and processing subsystem Real-time Collection bridge also generates the bridge security monitor data, adopts the WI-FI mode to be uploaded to bridge security Real Time Monitoring center;
Bridge security Real Time Monitoring center receives the bridge security monitor data that the collection of a plurality of bridge security status data and processing subsystem are uploaded, and draws by this security state evaluation, relatively reaches life prediction and bridge inspection and maintenance maintenance strategy;
Characteristic feature of an invention is: bridge security Real Time Monitoring center can show, analyze the security monitoring situation of many bridge blocks simultaneously, is convenient to the decision maker according to different appropriation budgets, optimizes the bridge cluster maintaining of planning as a whole in the zone; By the cluster bridge security monitoring, can realize to the lateral comparison that is dispersed in the many bridge blocks safe condition data in the larger zone, unified management, thoroughly changing " information island " situation that single seat bridge security supervisory system in the past can't realize information sharing each other, be more convenient for to vertical, the horizontal analysis Comparison and research of similar environment, different structure bridge or varying environment, analog structure bridge security situation in the zone, thereby be conducive to promote the optimal design of bridge structure, and realize maintenance and the reinforcing of many bridge blocks.
Claims (4)
1. based on the cluster bridge safety real-time monitoring system of Wi-Fi network technology, it is characterized in that, comprising:
Be arranged at the collection of bridge security status data and processing subsystem on the bridge, be used for safe condition, the parameter of Real-time Collection bridge and generate the bridge security monitor data, adopt the Wi-Fi mode to be uploaded to bridge security Real Time Monitoring center;
Be arranged at the bridge security Real Time Monitoring center on backstage, be used for the bridge security monitor data that reception bridge security status data collection and processing subsystem are uploaded, and draw by this security state evaluation, life prediction, and bridge inspection and maintenance maintenance strategy;
The cluster bridge safety real-time monitoring system that the present invention is based on the Wi-Fi network technology comprises the collection of a plurality of bridge security status data and processing subsystem, and each subsystem all carries out data transmission by wireless mode and bridge security Real Time Monitoring center.
2. the cluster bridge safety real-time monitoring system based on the Wi-Fi network technology according to claim 1, it is characterized in that: the communication mode between the collection of described bridge security status data and processing subsystem and the bridge security Real Time Monitoring center is the Wi-Fi communication mode.
3. the cluster bridge safety real-time monitoring system based on the Wi-Fi network technology according to claim 1 is characterized in that the collection of described bridge security status data and processing subsystem are provided with:
The bridge environment Monitor And Control Subsystem is measured the bridge environment parameter in real time, comprises wind direction and wind velocity, humiture, air pressure etc.; Integral bridge vibration monitoring subsystem is measured the integral bridge structure along the vertical, horizontal vibration parameters;
Structure stress of bridge strain monitoring subsystem, the sound attitude ess-strain parameter of structure;
Data pre-service and wireless transmission system, frequency acquisition requirement according to the various different parameters such as sound attitude ess-strain parameter of measuring bridge environment parameter, integral bridge structural deformation parameter, structure, initial parameter is carried out the disposal of gentle filter, after arrangement, form the bridge security supervising data storage to newly-built table data store, regularly the bridge security monitor data is sent to the cluster bridge safety monitoring center by wireless mode.
4. the cluster bridge safety real-time monitoring system based on the Wi-Fi network technology according to claim 3 is characterized in that, described bridge environment Monitor And Control Subsystem is provided with:
Wind direction and wind velocity sensor, Temperature Humidity Sensor, seawater salinity sensor;
Described integral bridge deformation monitoring subsystem is provided with: the GPS Vibration-Measuring System, measure integral bridge structural vibration; Described structure stress of bridge strain monitoring subsystem is provided with: resistance-type ess-strain sensor-based system or fiber grating sensing system, and all for the sound attitude ess-strain parameter of structure.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621965A (en) * | 2012-04-03 | 2012-08-01 | 宋金博 | Clustered bridge safety real-time monitoring system based on Wi-Fi network technique |
| CN105547139A (en) * | 2015-12-05 | 2016-05-04 | 浙江大学 | Wi-Fi-based wireless strain measurement system |
| CN108344449A (en) * | 2018-02-11 | 2018-07-31 | 黄淮学院 | A kind of Multifunctional bridge safe monitoring system |
| CN109883388A (en) * | 2019-03-21 | 2019-06-14 | 陈朝忠 | Road and bridge sedimentation and deformation real-time early warning monitors system and its monitoring method |
| CN117076889A (en) * | 2023-09-04 | 2023-11-17 | 中铁建大桥工程局集团南方工程有限公司 | Three-main truss steel truss girder construction monitoring method and system, storage medium and electronic equipment |
-
2012
- 2012-04-03 CN CN 201220138068 patent/CN202694545U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621965A (en) * | 2012-04-03 | 2012-08-01 | 宋金博 | Clustered bridge safety real-time monitoring system based on Wi-Fi network technique |
| CN105547139A (en) * | 2015-12-05 | 2016-05-04 | 浙江大学 | Wi-Fi-based wireless strain measurement system |
| CN105547139B (en) * | 2015-12-05 | 2019-02-22 | 浙江大学 | A kind of wireless strain measuring system based on Wi-Fi |
| CN108344449A (en) * | 2018-02-11 | 2018-07-31 | 黄淮学院 | A kind of Multifunctional bridge safe monitoring system |
| CN109883388A (en) * | 2019-03-21 | 2019-06-14 | 陈朝忠 | Road and bridge sedimentation and deformation real-time early warning monitors system and its monitoring method |
| CN109883388B (en) * | 2019-03-21 | 2021-03-02 | 华思（广州）测控科技有限公司 | Real-time early warning and monitoring system and monitoring method for settlement deformation of road and bridge |
| CN117076889A (en) * | 2023-09-04 | 2023-11-17 | 中铁建大桥工程局集团南方工程有限公司 | Three-main truss steel truss girder construction monitoring method and system, storage medium and electronic equipment |
| CN117076889B (en) * | 2023-09-04 | 2024-05-31 | 中铁建大桥工程局集团南方工程有限公司 | Three-main truss steel truss girder construction monitoring method and system, storage medium and electronic equipment |
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Granted publication date: 20130123 Termination date: 20140403 |