CN109269457A - A kind of portable fracture width long term monitoring, early warning system - Google Patents

A kind of portable fracture width long term monitoring, early warning system Download PDF

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Publication number
CN109269457A
CN109269457A CN201811222147.XA CN201811222147A CN109269457A CN 109269457 A CN109269457 A CN 109269457A CN 201811222147 A CN201811222147 A CN 201811222147A CN 109269457 A CN109269457 A CN 109269457A
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CN
China
Prior art keywords
data acquisition
acquisition equipment
data
sensor
bright
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811222147.XA
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Chinese (zh)
Inventor
张刚
张勇夫
侍刚
史雪峰
池玉辰
李泽新
南京
李鸥
胡续鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Bridge Science Research Institute Ltd
Original Assignee
China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Bridge Science Research Institute Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Major Bridge Engineering Group Co Ltd MBEC, China Railway Bridge Science Research Institute Ltd filed Critical China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority to CN201811222147.XA priority Critical patent/CN109269457A/en
Publication of CN109269457A publication Critical patent/CN109269457A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness

Abstract

The invention discloses a kind of portable fracture width long term monitoring, early warning system, including sensor, data acquisition equipment and long-distance monitorng device, sensor monitors the variation of concrete crack width;The connection of the node of data acquisition equipment and sensor;Long-distance monitorng device is communicated with data acquisition equipment, and the data that the data processing unit of long-distance monitorng device acquires data acquisition equipment are parsed, calculated, and is judged whether to trigger prewarning unit according to obtained calculated value.The present invention, independently data can be parsed by data processing unit, be calculated, reduce human-equation error, and the result of calculating be compared with the upper limit threshold of setting, if measured value greatly if automatic trigger alarm, realize automatic detection, Field Monitoring Technique personnel are liberated, are increased productivity, the acquisition module of integrated formation has the advantages that structure is simple, at low cost, portable, long-range monitoring is realized simultaneously, and most direct judgment basis can be provided in real time to manager.

Description

A kind of portable fracture width long term monitoring, early warning system
Technical field
The present invention relates to fracture width monitoring technical fields, and in particular to a kind of portable fracture width long term monitoring, pre- Alert system.
Background technique
Concrete-bridge accounts for the overwhelming majority in China's active service and in bridge construction beam, sends out national economic development and social development Particularly important effect is waved, while the long term monitoring of its safety and health situation is also by the extensive of domestic and abroad bridge worker Concern and research.
Generation and hair due to the development of the disease of concrete-bridge, performance degradation and structural failure usually because of crack Exhibition, therefore long term monitoring is carried out to crack present on bridge structure, by Analysis on monitoring data beam body surface crack to bridge The influence of structure is particularly important.It is found by market survey, is directed to the complete instrument of distress in concrete long term monitoring on the market Device is less, and there is also following defects when in use:
(1) existing equipment component needs to receive by computer collection in worksite, and long-range unattended duty acquisition, waste is not implemented Human cost;
(2) most of Crack Monitoring functions of the equipments are single, only can be carried out the acquisition and storage of data, also need people to data It is handled and is analyzed, can just judge whether to comply with standard, working efficiency is low;
(3) existing concrete Crack Detection equipment majority is the combination of equipment, and structure is complicated, at high cost, and needs scene The data of equipment debugging and acquisition are carried out, work on the spot content is heavy, and error link is more.
In view of this, being badly in need of improving existing distress in concrete detection device, to liberate Field Monitoring Technique people Member reduces human-equation error, while realizing intelligentized control method, increase working efficiency, simplify structure, reduce production cost.
Summary of the invention
Existing the technical problem to be solved by the present invention is to existing distress in concrete detection device needs staff to exist Lost labor's cost is easy to appear operation error simultaneously to real time monitoring in turn, can not achieve intelligent monitoring, working efficiency Low and device structure complexity, problem at high cost.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that provide a kind of portable fracture width long Phase monitoring, early warning system, comprising:
Sensor, for monitoring the variation of concrete crack width;
Data acquisition equipment connects and composes sensor network, serial server by the node of route and the sensor The sensor network is accessed into 4G router, the data acquisition equipment sends the data of acquisition to by 4G wireless network Internet;
Long-distance monitorng device connects Internet by Ethernet and communicates with the data acquisition equipment, the long-range prison Controlling device includes data processing unit and prewarning unit, the data that the data processing unit acquires the data acquisition equipment It parsed, calculated, judged whether to trigger the prewarning unit according to obtained calculated value.
In the above scheme, the data processing unit is equipped with the upper limit threshold of fracture width, the data processing unit The data for receiving the data acquisition unit acquisition are parsed, and converse the sensor by the current value collected Variable quantity, then the initial value subtracted when the sensor is installed obtain the change width in crack, and the change width value in crack exceeds Upper limit threshold triggers the prewarning unit.
In the above scheme, the long-distance monitorng device issues work order, the data to the data acquisition equipment Acquisition equipment receives the work order and the node of the sensor is ordered to be adjusted its working frequency and work opportunity.
In the above scheme, whether the data acquisition equipment is equipped with normal for prompting in-site installation and data to transmit Multiple indicator lamp groups, indicator lamp groups described in every group include green indicator light and red indicating light, and are configured that
The data acquisition equipment operates normally, the green indicator light of the state for showing the data acquisition equipment Bright, otherwise red indicating light is bright;
The data acquisition equipment connects the sensor, and the green indicator light for showing connection status is bright, otherwise red Color indicator light is bright;
The data acquisition equipment uploads data, and the green indicator light for showing upload state is bright, otherwise red instruction Lamp is bright;
The thimble of the sensor refers in intermediate range, for showing that concrete crack width changes green indicator light Bright, otherwise red indicating light is bright;
The long-distance monitorng device receives the data that the data acquisition equipment uploads, for showing the green of reception state Indicator light is bright, and otherwise red indicating light is bright.
In the above scheme, the sensor includes high accuracy displacement sensor, resistance strain gage and vibratory string crack sensing Device.
In the above scheme, the data acquisition equipment includes shell and the data acquisition module that is arranged in the shell Block, the side of the shell are equipped with the wiring slot for connecting with the sensor line.
In the above scheme, the shell is equipped with circumscription socket, and the circumscription socket includes connector, AE antenna, fills Electrical interface, slot.
In the above scheme, the shell is equipped with the bolt hole passed through for bolt, and the shell is hung by bolt In bridge structure.
In the above scheme, the data acquisition equipment can connect external power supply or built-in power, the built-in power packet Include charged lithium cells, dry cell, solar energy electroplax.
In the above scheme, client identification module built in the data acquisition equipment, the client identification module include moving Dynamic SIM card, connection SIM card, telecommunications SIM card.
Compared with prior art, of the invention, independently data can be parsed by data processing unit, be calculated, process Simply, reduce human-equation error, and the result of calculating be compared with the upper limit threshold of setting, if measured value greatly if automatic trigger Automatic detection is realized in alarm, is liberated Field Monitoring Technique personnel, is increased productivity, the acquisition module of integrated formation has Simple, at low cost, the portable advantage of structure, while realizing long-range monitoring, can be provided in real time to manager it is most direct determine according to According to.
Detailed description of the invention
Fig. 1 is that data of the invention acquire transmission frame composition.
Specific embodiment
The present invention provides a kind of portable fracture width long term monitoring, early warning system, the acquisition modules of integrated formation Structure is simple, it is at low cost, have the advantages that portable, while can realize that remote automation monitors, liberate Field Monitoring Technique personnel, It increases productivity.The present invention is described in detail with specific embodiment with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of portable fracture width long term monitoring provided by the invention, early warning system include sensor 10, data acquisition equipment 20 and long-distance monitorng device.
Wherein sensor 10 is used to monitor the variation of concrete crack width, and in order to meet the need of distress in concrete monitoring It asks, sensor 10 needs, shield effectiveness good and can satisfy high frequency sample requirement the characteristics of high with high resolution, precision, Such as high accuracy displacement sensor, resistance strain gage and with vibratory string crack sensors, wherein to distress in concrete use range Sensor 10 for 2mm be it is the most suitable, then can be real by the displacement sensor of wide range to other structures displacement monitoring It is existing, if sample frequency is of less demanding in monitoring process, also can external vibratory strain ga(u)ge, sampling precision can more be accurate to 1 μ ε.
Data acquisition equipment 20 connects and composes 10 network of sensor, preferred route by the node of route and sensor 10 For 485 buses, the data of acquisition are passed through 10 network insertion 4G router of sensor, data acquisition equipment 20 by serial server 4G wireless network is sent to Internet.
Data acquisition equipment 20 includes the data acquisition module of shell and setting inside the shell, and the side of shell, which is equipped with, to be used for With the wiring slot and other circumscription sockets of 10 connection of sensor, wherein circumscription socket includes connector, AE antenna, fills Electrical interface, slot etc., convenient for the connection of route.
Shell is equipped with the bolt hole passed through for bolt, and shell is suspended on bridge structure by bolt, and structure is simple, just In the installation and removal of data acquisition equipment 20.
Data acquisition equipment 20 can connect external power supply or built-in power, and wherein built-in power includes charged lithium cells, does Battery, solar energy electroplax can do different selections according to the difference of topography, easy to use.Simultaneously in order to data transmission confidentiality, Client identification module built in data acquisition equipment 20, client identification module include mobile SIM card, connection SIM card, telecommunications SIM card Deng, it is orientable to transmit data, it is played a role by the service of network operation service provider, by the collected number of live crack sensors 10 According to being transferred to Cloud Server platform.
Data acquisition equipment 20 is equipped with for prompting in-site installation and the whether normal multiple indicator lamp groups of data transmission, Every group of indicator lamp groups include green indicator light and red indicating light, specifically include following several states:
Data acquisition equipment 20 operates normally, no for showing that the green indicator light of state of data acquisition equipment 20 is bright Then red indicating light is bright;
Data acquisition equipment 20 connects sensor 10, and the green indicator light for showing connection status is bright, and otherwise red refers to Show that lamp is bright;
Data acquisition equipment 20 uploads data, and the green indicator light for showing upload state is bright, otherwise red indicating light It is bright;
The thimble of sensor 10 refers in intermediate range, for showing that concrete crack width variation green indicator light is bright, Otherwise red indicating light is bright;
Long-distance monitorng device receives the data of the upload of data acquisition equipment 20, for showing the green indicator light of reception state Bright, otherwise red indicating light is bright.
Field personnel can intuitively find out the working condition of all parts, while which can more quickly judge A component breaks down, and avoids investigation step by step, reduces workload, and then increase the convenience used.
The internal battery of 20 integrated data acquisition unit of data acquisition equipment, large capacity of the invention and client identify mould Block, high accuracy displacement sensor 10 of arranging in pairs or groups is whole small and exquisite, light, modular integrated so that in-site installation is convenient, fast.When When some module breaks down, it can be searched rapidly without professional, positioning failure and replace faulty module or sensing Device 10.The scalability of system is strong, and the increase of measuring point quantity can be completed without complicated configuration and wiring or delete.
Long-distance monitorng device connects Internet by Ethernet and communicates with data acquisition equipment 20, long-distance monitorng device packet Data processing unit and prewarning unit are included, the data that data processing unit acquires data acquisition equipment 20 are parsed, are calculated, Judged whether to trigger prewarning unit according to obtained calculated value.
Specific step is as follows:
The upper limit threshold of fracture width is equipped in data processing unit, data processing unit receives data acquisition unit acquisition Data parsed, the variable quantity of sensor 10 is conversed by the current value collected, then subtract sensor 10 installation When initial value obtain the change width in crack, if the change width value in crack exceed upper limit threshold, triggering prewarning unit mention It wakes up.
And long-distance monitorng device issues work order to data acquisition equipment 20, data acquisition equipment 20 receives work order And the node of command sensor 10 is adjusted its working frequency and work opportunity, and it is easy to use, it can meet under different situations Needs.
The present invention independently can parse data by data processing unit, be calculated, and process is simple, reduces people because losing Accidentally, and the result of calculating is compared with the upper limit threshold of setting, if measured value greatly if automatic trigger alarm, realize automation Detection liberates Field Monitoring Technique personnel, increases productivity, the acquisition module of integrated formation have structure it is simple, it is at low cost, Portable advantage, while realizing long-range monitoring, most direct judgment basis can be provided in real time to manager.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.

Claims (10)

1. a kind of portable fracture width long term monitoring, early warning system characterized by comprising
Sensor, for monitoring the variation of concrete crack width;
Data acquisition equipment connects and composes sensor network by the node of route and the sensor, and serial server is by institute Sensor network access 4G router is stated, the data acquisition equipment sends the data of acquisition to by 4G wireless network Internet;
Long-distance monitorng device connects Internet by Ethernet and communicates with the data acquisition equipment, the long-range monitoring dress It sets including data processing unit and prewarning unit, the data processing unit carries out the data that the data acquisition equipment acquires Parsing calculates, and is judged whether to trigger the prewarning unit according to obtained calculated value.
2. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Data processing unit is equipped with the upper limit threshold of fracture width, and the data processing unit receives the data acquisition unit acquisition Data are parsed, and the variable quantity of the sensor is conversed by the current value collected, then subtract the sensor peace Initial value when dress obtains the change width in crack, and the change width value in crack exceeds upper limit threshold, triggers the prewarning unit.
3. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Long-distance monitorng device issues work order to the data acquisition equipment, and the data acquisition equipment receives the work order simultaneously The node of the sensor is ordered to be adjusted its working frequency and work opportunity.
4. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Data acquisition equipment is equipped with for prompting in-site installation and the whether normal multiple indicator lamp groups of data transmission, is referred to described in every group Show that lamp group includes green indicator light and red indicating light, and is configured that
The data acquisition equipment operates normally, no for showing that the green indicator light of state of the data acquisition equipment is bright Then red indicating light is bright;
The data acquisition equipment connects the sensor, and the green indicator light for showing connection status is bright, and otherwise red refers to Show that lamp is bright;
The data acquisition equipment uploads data, and the green indicator light for showing upload state is bright, and otherwise red indicating light is bright;
The thimble of the sensor refers in intermediate range, no for showing that concrete crack width variation green indicator light is bright Then red indicating light is bright;
The long-distance monitorng device receives the data that the data acquisition equipment uploads, for showing the green instruction of reception state Lamp is bright, and otherwise red indicating light is bright.
5. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Sensor includes high accuracy displacement sensor, resistance strain gage and vibratory string crack sensors.
6. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Data acquisition equipment includes shell and the data acquisition module that is arranged in the shell, the side of the shell be equipped with for and The wiring slot of the sensor line connection.
7. a kind of portable fracture width long term monitoring according to claim 6, early warning system, which is characterized in that described Shell is equipped with circumscription socket, and the circumscription socket includes connector, AE antenna, charging interface, slot.
8. a kind of portable fracture width long term monitoring according to claim 6, early warning system, which is characterized in that described Shell is equipped with the bolt hole passed through for bolt, and the shell is suspended on bridge structure by bolt.
9. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Data acquisition equipment can connect external power supply or built-in power, and the built-in power includes charged lithium cells, dry cell, solar energy Battery plate.
10. a kind of portable fracture width long term monitoring according to claim 1, early warning system, which is characterized in that described Client identification module built in data acquisition equipment, the client identification module include mobile SIM card, connection SIM card, telecommunications SIM Card.
CN201811222147.XA 2018-10-19 2018-10-19 A kind of portable fracture width long term monitoring, early warning system Pending CN109269457A (en)

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Application Number Priority Date Filing Date Title
CN201811222147.XA CN109269457A (en) 2018-10-19 2018-10-19 A kind of portable fracture width long term monitoring, early warning system

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110222383A (en) * 2019-05-22 2019-09-10 微云(武汉)科技有限公司 A kind of bridge security method for early warning, device and storage medium

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CN106290377A (en) * 2016-07-29 2017-01-04 长安大学 A kind of Bridge Crack Monitoring early warning system and method for early warning
CN206249527U (en) * 2016-12-15 2017-06-13 山东科技大学 A kind of beams of concrete crack developing prior-warning device
CN106959298A (en) * 2017-04-26 2017-07-18 大连理工大学 Hydraulic structure concrete crack real time on-line monitoring system based on machine vision
CN107063095A (en) * 2016-12-23 2017-08-18 张晓明 A kind of warning system for real time monitoring of existing building building structure fracture width change and recognition methods
CN208968508U (en) * 2018-10-19 2019-06-11 中铁大桥科学研究院有限公司 A kind of portable fracture width long term monitoring, early warning system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202562465U (en) * 2012-03-15 2012-11-28 招商局重庆交通科研设计院有限公司 Engineering structure distortion wireless automatic monitor
CN204832851U (en) * 2015-06-25 2015-12-02 中国建筑股份有限公司 Structural cracks monitoring devices based on thing networking
CN205593970U (en) * 2016-01-29 2016-09-21 湖南省宏尚检测技术股份有限公司 Concrete crack real -time monitoring system based on mobile communication terminal
CN106290377A (en) * 2016-07-29 2017-01-04 长安大学 A kind of Bridge Crack Monitoring early warning system and method for early warning
CN206249527U (en) * 2016-12-15 2017-06-13 山东科技大学 A kind of beams of concrete crack developing prior-warning device
CN107063095A (en) * 2016-12-23 2017-08-18 张晓明 A kind of warning system for real time monitoring of existing building building structure fracture width change and recognition methods
CN106959298A (en) * 2017-04-26 2017-07-18 大连理工大学 Hydraulic structure concrete crack real time on-line monitoring system based on machine vision
CN208968508U (en) * 2018-10-19 2019-06-11 中铁大桥科学研究院有限公司 A kind of portable fracture width long term monitoring, early warning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110222383A (en) * 2019-05-22 2019-09-10 微云(武汉)科技有限公司 A kind of bridge security method for early warning, device and storage medium

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