CN208314498U - A kind of long-range bridge maintenance system of integration - Google Patents

A kind of long-range bridge maintenance system of integration Download PDF

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Publication number
CN208314498U
CN208314498U CN201820534491.1U CN201820534491U CN208314498U CN 208314498 U CN208314498 U CN 208314498U CN 201820534491 U CN201820534491 U CN 201820534491U CN 208314498 U CN208314498 U CN 208314498U
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integration
long
sensing
bridge maintenance
client
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王彪
陈谦
刘军
张渭
赵博
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Seventh Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
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Seventh Engineering Co Ltd of China Railway 12th Bureau Group Co Ltd
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Abstract

The utility model provides a kind of long-range bridge maintenance system of integration, including monitoring modular, back-end data management platform, client and internet, the monitoring modular includes several sensing devices and gateway node, the sensing device and gateway node are connected with each other by wireless sensor network, the gateway node manages platform with back-end data by mobile network and connect, and the back-end data management platform and client are connect with the internet.The long-range bridge maintenance system of integration in the utility model, equipment includes being not required to calibration, laying quickly, it is suitble to the sensing device of mass concrete extensive style construction, more using node, wide coverage large-scale wireless sensing network is communicated, intelligent software can be realized acquisition, storage, display and the early warning of bridge concrete temperature information, manager can carry out remotely managing and analyzing by SmartClient, to ensure the smooth implementation of bridge security monitoring process.

Description

A kind of long-range bridge maintenance system of integration
Technical field
The utility model relates to bridge safety supervision technical fields, and in particular to a kind of long-range bridge maintenance system of integration System.
Background technique
Bridge is important one of the engineering project in China, is had for the development of our communications and economy and society Great meaning, wherein cement concrete building 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 temperature and humidity 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 temperature and humidity 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, and some then requires the amplifier of high stable, high accuracy.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 connect 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 is all the source of infrared radiation.It is issued 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 Large Volume Data easy to form, 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 is unable to satisfy 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 the upper limit of the number in formula, the measuring point that system can accommodate is few, and data error is big, and real-time is low, be unable to satisfy large volume coagulation The Modern Construction requirement of soil, and the signal of multiple sensors is easy to crosstalk in bus.Bus damage, all the sensors are immediately Failure.
(3) can only on-site working, cannot remotely 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, construction personnel must some maintenance of equipment such as sprinklers of field control Deng, can not remotely be controlled, cause some cases processing not in time, lack the flexibility etc. of disposition.
In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice Type.
Utility model content
To solve the above problems, the technical solution adopted in the utility model is, it is feeding to provide a kind of long-range bridge of integration Protecting system, including monitoring modular, back-end data management platform, client and internet, the monitoring modular include several biographies Induction device and gateway node, the sensing device and gateway node are connected with each other by wireless sensor network, the gateway node It manages platform with back-end data by mobile network to connect, the back-end data management platform and client and the internet connect It connects.
Further, the wireless sensor network is ZigBee technology.
Further, the mobile network is GPRS network.
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 database server and application server interconnected, institute Application server is stated to connect with the internet.
Further, the client includes mobile client and pc client, and the pc client and the internet connect It connects, the mobile client is connect by mobile network with the internet.
Further, the gateway node is equipped with a Temperature Humidity Sensor.
Further, the sensing device is fixed pasting, by way of nut installation or binding.
Compared with the prior art the utility model has the beneficial effects that:
The long-range bridge maintenance system of integration in the utility model, equipment include being not required to calibration, laying quickly, are suitble to big The sensing device of volume concrete extensive style construction, more using node, wide coverage large-scale wireless sensing network carry out Communication, intelligent software can be realized acquisition, storage, display and the early warning of bridge concrete temperature information, and manager passes through intelligence Energy client can carry out remotely managing and analyzing, to ensure that bridge security monitors the smooth implementation of process.
Detailed description of the invention
Fig. 1 is the structure chart of the long-range bridge maintenance system of the utility model integration;
Fig. 2 is the structure chart of the sensing device of the long-range bridge maintenance system of the utility model integration;
Fig. 3 is the structure chart of the gateway node of the long-range bridge maintenance system of the utility model integration;
Fig. 4 is the structural schematic diagram of the long-range bridge maintenance system of the utility model integration.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
Embodiment one
Refering to Figure 1, its structure chart for the long-range bridge maintenance system of the utility model integration.
As shown in Figure 1, a kind of long-range bridge maintenance system of integration, including monitoring modular 1, back-end data management platform 2, Client 4 and internet 3, the monitoring modular 1 include several sensing devices 11 and gateway node 12, the sensing device 11 It is connected with each other with gateway node 12 by wireless sensor network, the gateway node 12 passes through 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 standard;The mobile network is GPRS net Network;The gateway node 12 other than the function of ordinary node, mainly realize 11 measurement data of 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 database server 21 interconnected and application server 22, 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 is moved 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 including by data carry out real-time display, The functions such as analysis, early warning;The gateway node 12 can be managed, carry out authorization 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.
The long-range bridge maintenance system of integration in the utility model, equipment include being not required to calibration, laying quickly, are suitble to big The sensing device of volume concrete extensive style construction, more using node, wide coverage large-scale wireless sensing network carry out Communication, intelligent software can be realized acquisition, storage, display and the early warning of bridge concrete temperature information, and manager passes through intelligence Energy client can carry out remotely managing and analyzing, to ensure that bridge security monitors the smooth implementation of process.
Embodiment two
The long-range bridge maintenance system of a kind of integration as described above, the present embodiment are different from place and are, Mei Gesuo It states sensing device 11 to be made of sensor 111 and MCU 112, has the characteristics of at low cost, low in energy consumption, ad hoc network, wherein described MCU 112 is CC2530 single-chip microcontroller;The sensing device 11 can be consolidated pasting, by way of nut installation and binding It is fixed, easy for assemble or unload, strong operability.
Embodiment three
It please refers to shown in Fig. 2 and Fig. 3, is the sensing device of the long-range bridge maintenance system of integration in the present embodiment The structure chart of structure chart and gateway node.
The long-range bridge maintenance system of a kind of integration as described above, the present embodiment is different from place and is, such as Fig. 2 institute 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 connected with timer 121 on the gateway node 12, is used to propose the gateway node 12 acquisition sensing data timing 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, with more accurate determination state.
Wherein, the temperature sensor 1111 uses intelligent temperature sensor, is suitble to the table in equipment such as contact, connectors Face carries out temperature measurement, and the temperature detection range of (- 55~+125) DEG C may be implemented, and normal working hours is 5 years, can satisfy The general detection requirement of science of bridge building, and have the advantages that small in size, measurement accuracy is high, strong antijamming capability, reliable performance.
Example IV
The long-range bridge maintenance system of a kind of integration as described above, the present embodiment and embodiment one the difference is that, As shown in figure 3, the gateway node 12 is equipped with a Temperature Humidity Sensor 122, the Temperature Humidity Sensor is for monitoring atmosphere Environmental aspect;In conjunction with the measurement data that sensing device 11 described on bridge acquires, the situations such as temperature can be made more accurate Judgement.The 3rd MCU 123 is wherein additionally provided on the gateway node 12, the 3rd MCU 123 is CC2530 single-chip microcontroller, described The aggregation node that CC2530 single-chip microcontroller 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 system of integration in the present embodiment.
The long-range bridge maintenance system of a kind of integration as described above, the present embodiment is different from place and is, such as Fig. 4 institute Show, a kind of rate-determining steps of the long-range bridge maintenance system of integration:
Measurement data is reached gateway node 12 by wireless sensor network by S10, each sensing device 11.
The sensor 111 of sensing device 11 described in the present embodiment is temperature sensor 1111, the temperature sensor The temperature data of 1111 real-time monitoring bridge machinery points, multiple 11 automatic network-buildings of 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 local area network Can with flexible configuration, can dynamic implement measurement points increase or deletion, and support the transmission of one-to-many and many-one, and have Transmit avoidance mechanism.
The measurement data is reached back-end data by mobile network and manages platform 2 by S20, the gateway node 12.
The long-range bridge maintenance system of integration operates under 3 environment of internet, wherein the database server 21 Directly it is connected with application server 22, the application server 22 and pc client 42 are connected on internet 3, the mobile visitor Family end 41 is connected by mobile network with internet 3, and the measurement data is sent to back-end data management by GPRS network and puts down Platform 2 realizes remote transmission.
S30, manager remotely manage platform 2 to the back-end data by client 4 and are managed and control.
It is exemplified below:
Example one
The daily monitoring of the temperature of certain bridge is equipped with 45 temperature sensors on the bridge main channel cable-stayed bridge 1111, wherein air themperature measuring point 1, concrete temperature measuring point 20, is separately mounted to girder by steel construction temperature point 24 On king-tower.The gateway node 12 periodically receives the data of sensing device 11, sends by GPRS network it to long-range Back-end data manages 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 remotely report for repairment with mobile office work, pass through 41 monitoring programme of mobile client, the present embodiment Described in mobile client 41 be smart phone, maintenance personnel use the smart 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.
The long-range bridge maintenance system of one of the utility model integration, utilizes technology of Internet of things and mobile communication skill Multiple sensing devices and gateway node is arranged in art on bridge, carries out group using advanced wireless sensor network ZigBee technology Netcom's news, manager can remotely manage and control system by SmartClient.The control system can obtain bridge knot The long term monitoring data of structure, systematically establishes the status monitoring and method for early warning of specific bridge, and analysis environment temperature is strong to bridge Health, such as the affecting laws of expansion joint displacement, to form the phase of environment temperature and bridge structure based on long term monitoring data Model is closed, probability statistical analysis and early warning are carried out to its health status.
Embodiment six
The long-range bridge maintenance system of a kind of integration as described above, the present embodiment are different from place and are, further include Step S11, each sensing device 11 are equipped with the first MCU 1121 and the 2nd MCU 1122, and the first MCU 1121 is real When acquire 111 data of sensor, and be sent to the gateway node 12;2nd MCU 1122 in a dormant state, only It is just activated when the first MCU 1121 breaks down and starts to acquire 111 data of sensor.
The long-range bridge maintenance system of one of the utility model integration, is designed using the structure of double MCU, so that described The work of sensing device 11 obtains higher guarantee, promotes the work validity and effect of the long-range bridge maintenance system of entire integration Rate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement Also it should be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of long-range bridge maintenance system of integration, which is characterized in that manage platform, visitor including monitoring modular, back-end data Family end and internet, the monitoring modular include several sensing devices and gateway node, the sensing device and gateway node It is connected with each other by wireless sensor network, the gateway node manages platform with back-end data by mobile network and connect, described Back-end data management platform and client are connect with the internet, and the wireless sensor network is ZigBee technology.
2. the long-range bridge maintenance system of integration according to claim 1, which is characterized in that the mobile network is GPRS Network.
3. the long-range bridge maintenance system of integration according to claim 1, which is characterized in that each sensing device by Sensor and MCU composition.
4. the long-range bridge maintenance system of integration according to claim 3, which is characterized in that the quantity of the MCU is two It is a, respectively the first MCU and the 2nd MCU.
5. the long-range bridge maintenance system of integration according to claim 3, which is characterized in that the quantity of the sensor is Two, respectively temperature sensor and magnetic field sensor.
6. the long-range bridge maintenance system of integration according to claim 1, which is characterized in that the back-end data management is flat Platform includes database server and application server interconnected, and the application server is connect with the internet.
7. the long-range bridge maintenance system of integration according to claim 1, which is characterized in that the client includes movement Client and pc client, the pc client are connect with the internet, and the mobile client passes through mobile network and institute State internet connection.
8. the long-range bridge maintenance system of integration according to claim 1, which is characterized in that the gateway node is equipped with One Temperature Humidity Sensor.
9. -8 any long-range bridge maintenance system of the integration according to claim 1, which is characterized in that the sensing device It is fixed pasting, by way of nut installation or binding.
CN201820534491.1U 2018-04-16 2018-04-16 A kind of long-range bridge maintenance system of integration Active CN208314498U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021046845A1 (en) * 2019-09-14 2021-03-18 南京东南建筑机电抗震研究院有限公司 Bridge management hierarchical monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021046845A1 (en) * 2019-09-14 2021-03-18 南京东南建筑机电抗震研究院有限公司 Bridge management hierarchical monitoring system

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