CN108540560A - A kind of long-range bridge maintenance control system and method - Google Patents
A kind of long-range bridge maintenance control system and method Download PDFInfo
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Abstract
Present invention firstly provides a kind of long-range bridge maintenance control systems, including monitoring modular, back-end data management platform, client and internet, the monitoring modular include several sensing devices and be equipped with the 3rd MCU gateway nodes, the sensing device and gateway node are connected with each other by wireless sensor network, the gateway node is connect by mobile network with back-end data management platform, and the back-end data management platform and client are connect with the internet；Secondly a kind of long-range bridge maintenance control method is provided.Long-range bridge maintenance control system in the present invention, utilize technology of Internet of things and mobile communication technology, sensing device and gateway node are set on bridge, it is communicated using wireless sensor network, realize bridge security data information acquisition, storage, display and early warning, manager by SmartClient can remote management and control system, avoid artificially detecting, the workload for reducing line maintenance, has saved a large amount of fund and manpower.
Description
Technical field
The present invention relates to bridge safety supervision technical fields, and in particular to a kind of long-range bridge maintenance control system and side
Method.
Background technology
Bridge is important one of the engineering project in China, is had for our communications and economic and society development
Great meaning, wherein cement concrete structure occupy critical positions in bridge construction.Cement components strength character is by multi-party
Face is rung, such as water consumption, cement minerals ingredient and late maintaining etc..After casting and compacting of concrete, why can gradually condense hard
Change, be primarily due to cement aquation as a result, and hydration then needs temperature and humidity condition appropriate.When bridge at
After type, the isostructural temperature of bridge can change with the variation of environment temperature, and the temperature change of material will cause structure
The deformation of component, to generate stress in component inside.Therefore, the humiture parameter of large bridge is monitored, diagnosed, controlled
System and evaluation, to find and eliminate the security risk of structure in time, it is ensured that the safety and reliability of structure is the current world
The hot spot of academia and engineering circles common concern and great attention.
It is exactly currently to use sensing equipment or element to the temperature-humidity monitoring of large bridge, monitoring bridge humiture ginseng
Number, the operation situation of evaluation structure provide reliable foundation for decision of repairing, alarm.Thermometric mode has contact and non-contact
Two kinds of formula, data transfer mode is divided into bus type and optical fiber solutions.
(1) contact bridge temperature detection：
Common contact bridge temperature detection uses all kinds of temperature sensors, have thermocouple, thermal resistance, thermistor,
Transistor temperature sensor etc., these sensors will be demarcated in advance.Some sensor measurement accuracy also with conductor length,
The contact resistance of change-over switch is related, some then require high stable, high accuracy amplifier.The output of some sensors is mould
Quasi- signal, it is necessary to could be handled by microprocessor after special interface circuit is converted into digital signal.At present mostly
Using digital temperature sensor.
(2) optical fiber sensing technology：
Deformation temperature monitoring unit uses fiber grating sensing technology, and the system is mainly by fiber grating sensing system, light
Fine raster grid analysis system, optical-fibre communications transmission network, information processing and analysis system are constituted.In the network, inhomogeneity
The sensor of type can be connected in the same Measurement channel, and the precision of temperature sensor is 0.5 DEG C.The scanning of Network Analyzer
Frequency is usually 1~200Hz.
(3) non-contact road surface temperature sensor technology：
IR Thermograph is a kind of new non-destructive testing technology to grow up in 20th century.Infrared ray is wavelength
The electromagnetic wave of 0.78~1000um, any object higher than absolute zero are all the sources of infrared radiation.It is sent out when by receiving object
Infra-red radiation structure is judged by the thermo parameters method situation on measurement structure surface by its IR image display on picture
Internal flaw.
After carrying out Technical comparing to implementation above scheme, the deficiency of each scheme is：
(1) infrared imaging temperature measuring technology is unfavorable for engineer application
Infrared imagery technique is easy to be formed Large Volume Data, and there are limitations to data processing and analysis for transmission mode.
(2) there are multiple technologies in wired mode
Bridge site operation environment is more severe, and conventional wired Temperature and Humidity is extremely limited, and cannot be satisfied
Temperature-humidity monitoring point is distributed wide and scattered demand.Using optical fiber solutions, probe and conducting wire overall cost are high；Using bus side
More there is transformation in formula, the measuring point that system can accommodate is few, and data error is big, and real-time is low, cannot be satisfied large volume coagulation
The Modern Construction requirement of soil, and the signal of multiple sensors is easy to crosstalk in bus.Bus is damaged, and all the sensors are immediately
Failure.
(3) can only on-site working, be unable to remote control
Most of bridge monitorings are all to dispose at the scene, it is necessary to have operator on duty or regular visit.When external environment becomes
Change, when bridge ambient enviroment is unsatisfactory for curing requirements, some maintenance of equipment such as sprinklers of the necessary field control of construction personnel
Deng, remote control can not be carried out, cause some cases processing not in time, lack the flexibility etc. of disposition.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
Invention content
To solve the above problems, the technical solution adopted by the present invention is, a kind of long-range bridge maintenance control is provided first
System, including monitoring modular, back-end data management platform, client and internet, the monitoring modular include several sensings
Device and be equipped with the 3rd MCU gateway nodes, the sensing device and gateway node are connected with each other by wireless sensor network, described
Gateway node is connect by mobile network with back-end data management platform, the back-end data management platform and client with it is described
Internet connects.
Further, the wireless sensor network is ZigBee technology.
Further, each sensing device is made of sensor and MCU.
Further, the quantity of the MCU is two, respectively the first MCU and the 2nd MCU.
Further, the quantity of the sensor is two, respectively temperature sensor and magnetic field sensor.
Further, the back-end data management platform includes the database server and application server being connected with each other, institute
Application server is stated to connect with the internet.
Further, the client includes mobile client and pc client, and the pc client connects with the internet
It connects, the mobile client is connect by mobile network with the internet.
Further, the gateway node is equipped with a Temperature Humidity Sensor.
Secondly a kind of long-range bridge maintenance control method, including step are provided：
Measurement data is reached gateway node by S10, each sensing device by wireless sensor network；
The measurement data is reached back-end data management platform by S20, the gateway node by mobile network；
S30, manager are managed and are controlled to the back-end data management platform by client remote.
Further, further including step S11, each sensing device is equipped with the first MCU and the 2nd MCU, and described first
MCU acquires sensing data in real time, and is sent to the gateway node；2nd MCU in a dormant state, only when described
First MCU is just activated when breaking down and starts to acquire sensing data.
Compared with the prior art the beneficial effects of the present invention are：
Long-range bridge maintenance control system in the present invention, using technology of Internet of things and mobile communication technology, on bridge
Sensing device and gateway node are set, communicated using wireless sensor network, realizes acquisition, the storage of bridge security data information
Deposit, show and early warning, manager by SmartClient can remote management and control system, avoid artificially detecting, reduce line
The workload of road repair, has saved a large amount of fund and manpower.
Description of the drawings
Fig. 1 is the structure chart of the long-range bridge maintenance control system of the present invention；
Fig. 2 is the structure chart of the sensing device of the long-range bridge maintenance control system of the present invention；
Fig. 3 is the structure chart of the gateway node of the long-range bridge maintenance control system of the present invention；
Fig. 4 is the structural schematic diagram of the long-range bridge maintenance control system of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
Refering to Figure 1, its structure chart for the long-range bridge maintenance control system of the present invention.
As shown in Figure 1, a kind of long-range bridge maintenance control system, including monitoring modular 1, back-end data management platform 2, visitor
Family end 4 and internet 3, the monitoring modular 1 include several sensing devices 11 and gateway node 12,11 He of the sensing device
Gateway node 12 is connected with each other by wireless sensor network, and the gateway node 12 is flat by mobile network and back-end data management
Platform 2 connects, and the back-end data management platform 2 and client 4 are connect with the internet 3.
Wherein, the wireless sensor network is ZigBee technology, and the ZigBee technology is a kind of short distance, low-power consumption
Wireless communication technique, it is the low-power consumption LAN protocol based on IEEE802.15.4 standards；The mobile network is GPRS nets
Network；The gateway node 12 other than the function of ordinary node, mainly realize 11 measurement data of the sensing device convergence and
Forwarding；Data gateway node 12 described in Automatic-searching and can be converged to gateway by multiple 11 automatic network-buildings of the sensing device
Node 12.
The back-end data management platform 2 includes the database server 21 and application server 22 of interconnection, described
Application server 21 is connect with the internet 3.Storage center of the database server 21 as control system data is born
Blame data reading and writing, storage and issued transaction；The application server 22 mainly provides the business processing of application system, data fortune
It calculates, data access and functions, all functional units of the control system such as communicate with slave computer and be all encapsulated in application service
In device.
The client 4 includes mobile client 41 and pc client 42, and the pc client 42 connects with the internet 3
It connects, the mobile client 41 is connect by mobile network with the internet 3.The pc client 42 completes system user behaviour
Make, user can check related data statistics and control node information etc.；The mobile client 41, to move in the present embodiment
It starts machine, the state for the measurement data and remote control gateway that each sensing device 11 acquires is checked for user scene.
The control system can pass through ICP/IP protocol, the measurement data and gateway node of real-time reception sensing device 11
12 operating status；Can store and inquire the historical measurement data of gateway node 12, and include by data carry out real-time display,
The functions such as analysis, early warning；The gateway node 12 can be managed, carry out mandate and node control；The mobile client
End 41 can report and examine management by wechat progress repairing information, facilitate and carry out field condition operation and mobile office.
Long-range bridge maintenance control system in the present invention, using technology of Internet of things and mobile communication technology, on bridge
Sensing device and gateway node are set, communicated using wireless sensor network, realizes acquisition, the storage of bridge security data information
Deposit, show and early warning, manager by SmartClient can remote management and control system, avoid artificially detecting, reduce line
The workload of road repair, has saved a large amount of fund and manpower.
Embodiment two
A kind of long-range bridge maintenance control system as described above, the present embodiment are different from place and are, each described
Sensing device 11 is made of sensor 111 and MCU 112, has the characteristics of at low cost, low in energy consumption, ad hoc network, wherein the MCU
112 be CC2530 microcontrollers；The sensing device 11 can be fixed pasting, by way of nut installation and binding, pacify
Convenient disassembly is filled, operability is strong.
Embodiment three
It please refers to shown in Fig. 2 and Fig. 3, is the knot of the sensing device of the long-range bridge maintenance control system in the present embodiment
The structure chart of composition and gateway node.
A kind of long-range bridge maintenance control system as described above, the present embodiment is different from place and is, such as Fig. 2 institutes
Show, the quantity of the MCU 112 is two, respectively the first MCU 1121 and the 2nd MCU1122, helps to increase reliability guarantor
Barrier.The sensor 111 is all connected with the first MCU 1121 and the 2nd MCU 1122 by GPIO interface respectively.As shown in figure 3,
It is also associated with timer 121 on the gateway node 12, is used to propose the acquisition sensing data timing of the gateway node 12
It wakes up.
Under normal circumstances, the first MCU 1121 acquires sensing data, and is sent to the gateway node 12；When
When first MCU 1121 breaks down, time-out can not receive data by the gateway node 12, the activation of gateway node 12 at this time second
MCU 1122 carries out data collection task.2nd MCU 1122 is chronically at dormant state under normal circumstances, only with
The timer timed activation, is just communicated with the gateway node 12.
As shown in Fig. 2, the quantity of the sensor 111 is two, respectively temperature sensor 1111 and magnetic field sensor
1112, it is respectively used to monitoring temperature and changes of magnetic field, more accurately to determine state.
Wherein, the temperature sensor 1111 uses intelligent temperature sensor, is suitble to the table in equipment such as contact, connectors
Face is measured into trip temperature, and the temperature detection range of (- 55~+125) DEG C may be implemented, and normal working hours is 5 years, be disclosure satisfy that
The general detection requirement of science of bridge building, and have the advantages that small, high certainty of measurement, strong antijamming capability, dependable performance.
Example IV
A kind of long-range bridge maintenance control system as described above, the present embodiment with embodiment one the difference is that, such as
Shown in Fig. 3, the gateway node 12 is equipped with a Temperature Humidity Sensor 122, and the Temperature Humidity Sensor is for monitoring big compression ring
Border situation；In conjunction with the measurement data that the sensing device 11 on bridge acquires, the situations such as temperature can be made and more accurately sentenced
It is disconnected.The 3rd MCU 123 is wherein additionally provided on the gateway node 12, the 3rd MCU 123 is CC2530 microcontrollers, described
The aggregation node that CC2530 microcontrollers will serve as in ZigBee-network, receives the measurement data of the sensing device 11, and passes through
GPRS network is sent to long-range back-end data management platform 2.
Embodiment five
It please refers to shown in Fig. 4, is the structural schematic diagram of the long-range bridge maintenance control system in the present embodiment.
A kind of long-range bridge maintenance control system as described above, the present embodiment is different from place and is, such as Fig. 4 institutes
Show, a kind of long-range bridge maintenance control method, including step：
Measurement data is reached gateway node 12 by S10, each sensing device 11 by wireless sensor network.
The sensor 111 of sensing device 11 described in the present embodiment is temperature sensor 1111, the temperature sensor
The temperature datas of 1111 monitoring bridge machinery points in real time, multiple 11 automatic network-buildings of the sensing device can be described in Automatic-searching
Gateway node 12, and the temperature data is converged to the gateway node 12.The number of the gateway node 12 of each LAN
Can with flexible configuration, can dynamic implement measure the increase or deletion of points, and support the transmission of one-to-many and many-one, and have
Transmit avoidance mechanism.
The measurement data is reached back-end data management platform 2 by S20, the gateway node 12 by mobile network.
The long-range bridge maintenance control system operates under 3 environment of internet, wherein the database server 21 is straight
It connects and is connected with application server 22, the application server 22 and pc client 42 are connected on internet 3, the mobile client
End 41 is connected by mobile network with internet 3, and the measurement data is sent to back-end data management platform by GPRS network
2, realize remote transmission.
S30, manager are remotely managed and are controlled to the back-end data management platform 2 by client 4.
It is exemplified below：
Example one
The daily monitoring of temperature of certain bridge, is equipped with 45 temperature sensors on the bridge main channel cable-stayed bridge
1111, air temperature measuring point 1, steel construction temperature point 24, concrete temperature measuring point 20 is separately mounted to girder
On king-tower.The gateway node 12 periodically receives the data of sensing device 11, it is sent to by GPRS network long-range
Back-end data management platform 2.Manager runs the daily temperature monitoring program of bridge in the client 4, can be with report, folding
The modes such as line see the temperature data of each sensing device 11.
Example two
When progress is remotely reported for repairment and worked with mobile office, pass through 41 monitoring programme of the mobile client, the present embodiment
Described in mobile client 41 be smart mobile phone, maintenance personnel use the smart mobile phone, Distant supervision and control can be carried out.Such as
Gateway information is clicked, corresponding nodal information can automatically update, when display gateway number, gateway status and gateway lease expire
Between.The diurnal variation curve, monthly variation curve and year change curve of some node and its affiliated gateway humidity can be counted.Unit tube
Reason person can control the control signal output of the state, switch and gateway of all nodes.It can check all nets under our unit
Close and its correspond to temperature, humidity, electricity and the status switch etc. of all nodes.When determining the failure of some node, show
Report node number, failure-description, contact person, telephone number etc. for repairment.Unit management person can increase, checks, delete repairing information,
Repairing information can be confirmed.
Long-range bridge maintenance control method in the present invention, using technology of Internet of things and mobile communication technology, on bridge
Multiple sensing devices and gateway node are set, networking communication, management are carried out using advanced wireless sensor network ZigBee technology
Person can remote management and control system by SmartClient.The control system can obtain the long term monitoring of bridge structure
Data systematically establish the status monitoring and method for early warning of specific bridge, and analysis environment temperature is to bridge health, such as expansion joint
The affecting laws of displacement, it is strong to it to form the correlation model of environment temperature and bridge structure based on long term monitoring data
Health situation carries out probability statistical analysis and early warning.
Embodiment six
A kind of long-range bridge maintenance control method as described above, the present embodiment are different from place and are, further include step
Rapid S11, each sensing device 11 are equipped with the first MCU 1121 and the 2nd MCU 1122, and the first MCU 1121 is real-time
111 data of sensor are acquired, and are sent to the gateway node 12；2nd MCU 1122 in a dormant state, only when
First MCU 1121 is just activated when breaking down and starts to acquire 111 data of sensor.
Long-range bridge maintenance control method in the present invention, using the structure design of double MCU so that the sensing device 11
Work obtain higher guarantee, promote the work validity and efficiency of entire long-range bridge maintenance control system.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise of not departing from the method for the present invention, can also make several improvement and supplement, these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of long-range bridge maintenance control system, which is characterized in that including monitoring modular, back-end data management platform, client
End and internet, the monitoring modular include several sensing devices and the gateway node equipped with the 3rd MCU, the sensing device
It is connected with each other by wireless sensor network with gateway node, the gateway node passes through mobile network and back-end data management platform
Connection, the back-end data management platform and client are connect with the internet.
2. long-range bridge maintenance control system according to claim 1, which is characterized in that the wireless sensor network is
ZigBee technology.
3. long-range bridge maintenance control system according to claim 1, which is characterized in that each sensing device is by passing
Sensor and MCU compositions.
4. long-range bridge maintenance control system according to claim 3, which is characterized in that the quantity of the MCU is two,
Respectively the first MCU and the 2nd MCU.
5. long-range bridge maintenance control system according to claim 3, which is characterized in that the quantity of the sensor is two
It is a, respectively temperature sensor and magnetic field sensor.
6. long-range bridge maintenance control system according to claim 1, which is characterized in that the back-end data management platform
Database server including interconnection and application server, the application server are connect with the internet.
7. long-range bridge maintenance control system according to claim 1, which is characterized in that the client includes mobile visitor
Family end and pc client, the pc client are connect with the internet, the mobile client by mobile network with it is described
Internet connects.
8. according to any long-range bridge maintenance control systems of claim 1-7, which is characterized in that on the gateway node
Equipped with a Temperature Humidity Sensor.
9. a kind of long-range bridge maintenance control method, which is characterized in that including step：
Measurement data is reached gateway node by S10, each sensing device by wireless sensor network；
The measurement data is reached back-end data management platform by S20, the gateway node by mobile network；
S30, manager are managed and are controlled to the back-end data management platform by client remote.
10. long-range bridge maintenance control method according to claim 9, which is characterized in that further include step S11, each
The sensing device is equipped with the first MCU and the 2nd MCU, and the first MCU acquires sensing data in real time, and is sent to described
Gateway node；2nd MCU in a dormant state, is only just activated when the first MCU breaks down and starts to adopt
Collect sensing data.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180782A (en) * | 2020-09-15 | 2021-01-05 | 车来军 | Bridge management system based on Internet of things |
| CN114923648A (en) * | 2022-06-14 | 2022-08-19 | 苏交科集团股份有限公司 | A bridge collision monitoring system device |
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| CN103281239A (en) * | 2013-06-14 | 2013-09-04 | 威海东兴电子有限公司 | Zigbee wireless sensor gateway based on Beidou satellite communication |
| CN107907157A (en) * | 2017-10-10 | 2018-04-13 | 国网浙江宁波市奉化区供电公司 | Remote temperature monitoring device for electric power wire terminal |
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| CN112180782A (en) * | 2020-09-15 | 2021-01-05 | 车来军 | Bridge management system based on Internet of things |
| CN114923648A (en) * | 2022-06-14 | 2022-08-19 | 苏交科集团股份有限公司 | A bridge collision monitoring system device |
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