CN202403736U - Bridge structure health monitoring system based on ZigBee network - Google Patents
Bridge structure health monitoring system based on ZigBee network Download PDFInfo
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- CN202403736U CN202403736U CN 201120565079 CN201120565079U CN202403736U CN 202403736 U CN202403736 U CN 202403736U CN 201120565079 CN201120565079 CN 201120565079 CN 201120565079 U CN201120565079 U CN 201120565079U CN 202403736 U CN202403736 U CN 202403736U
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Abstract
The utility model discloses a bridge structure health monitoring system based on a ZigBee network. The bridge structure health monitoring system comprises a plurality of bridge structure health detection sensor groups, a plurality of bridge structure health monitoring nodes, a bridge structure health monitoring sink node, a gateway and a communication server, wherein the bridge structure health monitoring sink node is connected with all bridge structure health monitoring nodes, the gateway is connected with the bridge structure health monitoring sink node, and the communication server is in wireless connection with the gateway through a GPRS (General Packet Radio Service) network; the bridge structure health monitoring nodes comprise a power supply module, a sensor interface circuit module, an A/D (Analog to Digital) conversion circuit module, a microprocessor module, a data storage circuit module, a first ZigBee wireless communication module and an RS-485 (Recommended Standard 485) communication circuit module; and the bridge structure health monitoring sink node comprises a monitoring computer and a second ZigBee wireless communication module. The bridge structure health monitoring system based on the ZigBee network has the advantages of reasonable design, high degree of intelligence, high stability and reliability in operation, capability of comprehensively monitoring the health condition of a bridge, strong practicability and high popularization and application values.
Description
Technical field
The utility model relates to the bridge structural health monitoring technical field, especially relates to a kind of bridge structural health monitoring system based on the ZIGBEE network.
Background technology
At present; The long-span bridge beam is carried out health monitoring to be guaranteed Structure Safety for Bridge and realizes early stage whole in advance; Avoid the development of structural damage or degeneration; Reduce collapsing of expensive rehabilitation expense even structure, become the hot issue of current engineering circle, therefore the health monitoring technology of striding the footpath bridge of growing up also becomes a key areas of bridge engineering section research and development.The health monitoring of bridge is the important means that guarantees the bridge security operation.Bridge health monitoring through the time bridge structural state monitoring help with commenting, be bridge triggering early warning signal under special climate, transportation condition or during bridge operation situation severely subnormal.For bridge inspection and maintenance, maintenance and management decision provide foundation and guidance.
Development along with infotecies such as semiconductor technology, computer technology, the communication technologys; With the application of present high-tech on the various kinds of equipment instrument; Make people to bridge monitoring accuracy more, and the first step is exactly to obtain comprehensively and understand bridge quality monitoring parameter.Way in the past is the chamber of experimentizing analysis again after the collection raw data, needs to drop into lot of manpower and material resources, produces little effect.Cheap remote detecting system efficiently based on wireless internet network provides possibility for people in time grasp fast changing air quality parameters.In the environmental parameter detection system, the most important thing is the information acquisition terminal, i.e. sensor node, sensor node mainly are responsible for collection, the transmission of data.Each remote detecting system all need be arranged a large amount of sensor nodes in the monitored area.Node in the wireless sensor network adopt mostly RF receiving and transmission module with data upload to host node, communicate by letter with Surveillance center again, the intra network communication sequential is by the unified control of Surveillance center.Therefore, sensor node is exactly the elementary cell of whole monitoring network, and the stable operation of node is the basic assurance of whole network reliability, so when design, make every effort to simple and reliable, powerful, cheap.Also has bigger gap in sensor node design and manufacture view home and overseas; Such as the sensor node information acquisition with transmit inaccurate, off and on, poor, the sensor node function singleness of communication capacity between the sensor node, life-span be short, be not easy to safeguard etc.
The utility model content
The utility model technical matters to be solved is to above-mentioned deficiency of the prior art a kind of bridge structural health monitoring system based on the ZIGBEE network to be provided, and it is reasonable in design; Intelligent degree is high, and the stability of operation and reliability are high, can monitor the health status of bridge all sidedly; Can no matter when and where can both the information that need be provided to people; The bridge structural health monitoring nodal function is powerful, the life-span long, be convenient to safeguard that practical, application value is high.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of bridge structural health monitoring system based on the ZIGBEE network; It is characterized in that: the bridge structural health monitoring aggregation node that comprises a plurality of bridge structure health detection sensor groups, a plurality of bridge structural health monitoring node, all joins with a plurality of said bridge structural health monitoring nodes, the gateway that joins with the bridge structural health monitoring aggregation node and with the communication server of gateway through the GPRS network wireless connections, a plurality of said bridge structure health detection sensor groups and a plurality of said bridge structural health monitoring node are evenly distributed on the bridge after correspondence is joined one by one; Said bridge structure health detection sensor groups comprises strain gauge, amount of deflection sensor, Crack Detection sensor, obliquity sensor, temperature sensor, air velocity transducer and displacement transducer; Said bridge structural health monitoring node comprises power module to each electricity consumption module for power supply, is used for connecting the sensor interface circuitry module of bridge structure health detection sensor groups, joins with the sensor interface circuitry module and is used for the analog signal conversion that each sensor of bridge structure health detection sensor groups is exported is become the A/D change-over circuit module of digital signal, joins with A/D change-over circuit module and be used for the signal that A/D change-over circuit module is exported is carried out the microprocessor module that analyzing and processing draws place, monitoring point bridge structure health status, and the data storage circuitry module of joining with microprocessor module, is used to realize a ZIGBEE wireless communication module of networking and is used to realize the RS-485 communication circuit module that data derive; Said bridge structural health monitoring aggregation node comprises supervisory control comuter and the 2nd ZIGBEE wireless communication module that joins with supervisory control comuter; Said supervisory control comuter and gateway join, and said the 2nd ZIGBEE wireless communication module is also communicated by letter with a plurality of said ZIGBEE wireless communication module wireless connections.
Above-mentioned a kind of bridge structural health monitoring system based on the ZIGBEE network is characterized in that: said microprocessor module is a MSP430 series super low power consuming single chip processor.
Above-mentioned a kind of bridge structural health monitoring system based on the ZIGBEE network is characterized in that: said data storage circuitry module is Flash storer, SD card or CF card.
Above-mentioned a kind of bridge structural health monitoring system based on the ZIGBEE network, it is characterized in that: said power module is general dry battery, Li-Ion rechargeable battery, nickel-hydrogen chargeable cell or solar cell.
The utility model compared with prior art has the following advantages:
1, the utility model adopts the design of low-power consumption; Adopt short-range wireless, low-power communication technology between node; Through the multi-hop relay mode Monitoring Data is passed to gateway node; The multi-hop communication mode saves power consumption of low-power consumption has increased the disguise of communicating by letter simultaneously, has also avoided the radio communication of long distance to be subject to the influence that outside noise disturbs.
2, the sensor node of the utility model is intelligent, has certain judgement, can carry out multiple various tasks simultaneously.For example; Sensor node can be served as data and command transfer media when carrying out data acquisition; Promptly collect neighbour's sensing node data sent according to default communication protocol between node; In time be uploaded to host node through wireless network after forming a certain size packet storage backup,, improved the stability and the reliability of self-organizing network operation greatly for the construction self-organizing network provides technical support.
The various environment of real-time monitoring, perception, collection, processing and issue of 3, cooperating between the utility model sensor node or the information of monitoring target; These information are sent out through wireless mode; And be sent to host node with the network mode of organizing multi-hop certainly, can no matter when and where can both the information that need be provided to people.
4, the sensor node information acquisition of the utility model and transmitting accurately, off and on, communication capacity is good between the sensor node, sensor node is powerful, the life-span is long, be convenient to maintenance etc.
5, the utility model is practical, and application value is high.
In sum, the utility model is reasonable in design, and intelligent degree is high; The stability of operation and reliability are high; Can monitor the health status of bridge all sidedly, can no matter when and where can both the information that need be provided to people, the bridge structural health monitoring nodal function is powerful, the life-span long, be convenient to maintenance; Practical, application value is high.
Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the annexation synoptic diagram of the utility model bridge structure health detection sensor groups and bridge structural health monitoring node.
Description of reference numerals:
1-bridge structure health detection sensor groups; The 1-1-strain gauge;
1-2-amount of deflection sensor; 1-3-Crack Detection sensor; The 1-4-obliquity sensor;
The 1-5-temperature sensor; The 1-6-air velocity transducer; The 1-7-displacement transducer;
2-bridge structural health monitoring node; The 2-1-power module;
2-2-sensor interface circuitry module; 2-3-A/D change-over circuit module;
The 2-4-microprocessor module; 2-5-data storage circuitry module;
2-6-the one ZIGBEE wireless communication module; The 2-7-RS-485 communication circuit module;
3-bridge structural health monitoring aggregation node; The 3-1-supervisory control comuter;
3-2-the 2nd ZIGBEE wireless communication module; The 4-gateway;
The 5-GPRS network; The 6-communication server.
Embodiment
As depicted in figs. 1 and 2; The bridge structural health monitoring aggregation node 3 that the utility model comprises a plurality of bridge structure health detection sensor groups 1, a plurality of bridge structural health monitoring node 2, all join with a plurality of said bridge structural health monitoring nodes 2, the gateway 4 that joins with bridge structural health monitoring aggregation node 3 and with the communication server 6 of gateway 4 through GPRS network 5 wireless connections, a plurality of said bridge structure health detection sensor groups 1 are evenly distributed on the bridge after correspondence is joined one by one with a plurality of said bridge structural health monitoring nodes 2; Said bridge structure health detection sensor groups 1 comprises strain gauge 1-1, amount of deflection sensor 1-2, Crack Detection sensor 1-3, obliquity sensor 1-4, temperature sensor 1-5, air velocity transducer 1-6 and displacement transducer 1-7; Said bridge structural health monitoring node 2 comprises power module 2-1 to each electricity consumption module for power supply, is used for connecting the sensor interface circuitry module 2-2 of bridge structure health detection sensor groups 1, joins with sensor interface circuitry module 2-2 and is used for the analog signal conversion that bridge structure health detection sensor groups 1 each sensor is exported is become the A/D change-over circuit module 2-3 of digital signal, joins with A/D change-over circuit module 2-3 and be used for the signal that A/D change-over circuit module 2-3 is exported is carried out the microprocessor module 2-4 that analyzing and processing draws place, monitoring point bridge structure health status, and the data storage circuitry module 2-5 that joins with microprocessor module 2-4, is used to realize a ZIGBEE wireless communication module 2-6 of networking and is used to realize the RS-485 communication circuit module 2-7 that data derive; Said bridge structural health monitoring aggregation node 3 comprises supervisory control comuter 3-1 and the 2nd ZIGBEE wireless communication module 3-2 that joins with supervisory control comuter 3-1; Said supervisory control comuter 3-1 and gateway 4 join, and said the 2nd ZIGBEE wireless communication module 3-2 also communicates by letter with a plurality of said ZIGBEE wireless communication module 2-6 wireless connections.
As depicted in figs. 1 and 2, in the present embodiment, said microprocessor module 2-4 is a MSP430 series super low power consuming single chip processor.Said data storage circuitry module 2-5 is Flash storer, SD card or CF card.Said power module 2-1 is general dry battery, Li-Ion rechargeable battery, nickel-hydrogen chargeable cell or solar cell.
The principle of work and the course of work of the utility model are: bridge structure health detection sensor groups 1 image data also is transferred to bridge structural health monitoring node 2; Bridge structural health monitoring node 2 transmits data to supervisory control comuter 3-1 with its data that collect through the 2nd ZIGBEE wireless communication module 3-2, and supervisory control comuter 3-1 analyzing and processing data also is transferred to the communication server 6 through GPRS network 5.
Wherein, The principle of work and the course of work of bridge structural health monitoring node 2 are: the detected data of each sensor carry out exporting to microprocessor module 2-4 after the analog to digital conversion through A/D change-over circuit module 2-3 in the bridge structure health detection sensor groups 1; The signal that microprocessor module 2-4 is exported A/D change-over circuit module 2-3 carries out analyzing and processing and draws place, monitoring point bridge structure health status; Data storage in data storage circuitry module 2-5, is transferred to the 2nd ZIGBEE wireless communication module 3-2 through a ZIGBEE wireless communication module 2-6 simultaneously and transmits data among the supervisory control comuter 3-1 through the 2nd ZIGBEE wireless communication module 3-2.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.
Claims (4)
1. bridge structural health monitoring system based on the ZIGBEE network; It is characterized in that: the bridge structural health monitoring aggregation node (3) that comprises a plurality of bridge structure health detection sensor groups (1), a plurality of bridge structural health monitoring node (2), all joins with a plurality of said bridge structural health monitoring nodes (2), the gateway (4) that joins with bridge structural health monitoring aggregation node (3) and with the communication server (6) of gateway (4) through GPRS network (5) wireless connections, a plurality of said bridge structure health detection sensor groups (1) and a plurality of said bridge structural health monitoring nodes (2) are evenly distributed on the bridge after correspondence is joined one by one; Said bridge structure health detection sensor groups (1) comprises strain gauge (1-1), amount of deflection sensor (1-2), Crack Detection sensor (1-3), obliquity sensor (1-4), temperature sensor (1-5), air velocity transducer (1-6) and displacement transducer (1-7); Said bridge structural health monitoring node (2) comprises power module (2-1) to each electricity consumption module for power supply, is used for connecting the sensor interface circuitry module (2-2) of bridge structure health detection sensor groups (1), joins with sensor interface circuitry module (2-2) and is used for the analog signal conversion that each sensor of bridge structure health detection sensor groups (1) is exported is become the A/D change-over circuit module (2-3) of digital signal, joins with A/D change-over circuit module (2-3) and be used for the signal that A/D change-over circuit module (2-3) is exported is carried out the microprocessor module (2-4) that analyzing and processing draws place, monitoring point bridge structure health status, and the data storage circuitry module (2-5) of joining with microprocessor module (2-4), is used to realize a ZIGBEE wireless communication module (2-6) of networking and the RS-485 communication circuit module (2-7) that is used to realize the data derivation; Said bridge structural health monitoring aggregation node (3) comprises supervisory control comuter (3-1) and the 2nd ZIGBEE wireless communication module (3-2) that joins with supervisory control comuter (3-1); Said supervisory control comuter (3-1) joins with gateway (4), and said the 2nd ZIGBEE wireless communication module (3-2) is also communicated by letter with a plurality of said ZIGBEE wireless communication module (2-6) wireless connections.
2. according to the described a kind of bridge structural health monitoring system based on the ZIGBEE network of claim 1, it is characterized in that: said microprocessor module (2-4) is MSP430 series super low power consuming single chip processor.
3. according to the described a kind of bridge structural health monitoring system based on the ZIGBEE network of claim 1, it is characterized in that: said data storage circuitry module (2-5) is Flash storer, SD card or CF card.
4. according to the described a kind of bridge structural health monitoring system based on the ZIGBEE network of claim 1, it is characterized in that: said power module (2-1) is general dry battery, Li-Ion rechargeable battery, nickel-hydrogen chargeable cell or solar cell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120565079 CN202403736U (en) | 2011-12-20 | 2011-12-20 | Bridge structure health monitoring system based on ZigBee network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120565079 CN202403736U (en) | 2011-12-20 | 2011-12-20 | Bridge structure health monitoring system based on ZigBee network |
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| CN202403736U true CN202403736U (en) | 2012-08-29 |
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| CN 201120565079 Expired - Fee Related CN202403736U (en) | 2011-12-20 | 2011-12-20 | Bridge structure health monitoring system based on ZigBee network |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200226A (en) * | 2013-02-26 | 2013-07-10 | 南京大学 | Bridge displacement online monitoring system based on wireless sensing |
| CN103498665A (en) * | 2013-10-22 | 2014-01-08 | 中铁西北科学研究院有限公司深圳南方分院 | Linear fixed type wireless deep hole clinometer and deep hole inclination measurement system |
| CN104200620A (en) * | 2014-07-24 | 2014-12-10 | 惠州学院 | Building healthy remote monitoring system and building healthy remote monitoring method |
| CN105466972A (en) * | 2016-01-11 | 2016-04-06 | 金翼安达航空科技（北京）有限公司 | Intelligent coating crack monitoring system based on zigbee technology |
| CN106949928A (en) * | 2017-03-01 | 2017-07-14 | 南京朴厚生态科技有限公司 | The auto acquisition system and method for sensing data |
-
2011
- 2011-12-20 CN CN 201120565079 patent/CN202403736U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200226A (en) * | 2013-02-26 | 2013-07-10 | 南京大学 | Bridge displacement online monitoring system based on wireless sensing |
| CN103498665A (en) * | 2013-10-22 | 2014-01-08 | 中铁西北科学研究院有限公司深圳南方分院 | Linear fixed type wireless deep hole clinometer and deep hole inclination measurement system |
| CN104200620A (en) * | 2014-07-24 | 2014-12-10 | 惠州学院 | Building healthy remote monitoring system and building healthy remote monitoring method |
| CN104200620B (en) * | 2014-07-24 | 2018-06-08 | 惠州学院 | The healthy remote supervision system of building and method |
| CN105466972A (en) * | 2016-01-11 | 2016-04-06 | 金翼安达航空科技（北京）有限公司 | Intelligent coating crack monitoring system based on zigbee technology |
| CN106949928A (en) * | 2017-03-01 | 2017-07-14 | 南京朴厚生态科技有限公司 | The auto acquisition system and method for sensing data |
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| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20121220 |