CN103776420A - Collimation laser imaging-based pier sedimentation online monitoring and prewarning system - Google Patents

Collimation laser imaging-based pier sedimentation online monitoring and prewarning system Download PDF

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Publication number
CN103776420A
CN103776420A CN201410013970.5A CN201410013970A CN103776420A CN 103776420 A CN103776420 A CN 103776420A CN 201410013970 A CN201410013970 A CN 201410013970A CN 103776420 A CN103776420 A CN 103776420A
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CN
China
Prior art keywords
laser
sedimentation
data
imaging
early warning
Prior art date
Application number
CN201410013970.5A
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Chinese (zh)
Inventor
陈后军
陈庆根
张军
禚一
王云鹏
Original Assignee
铁道第三勘察设计院集团有限公司
杭州珏光物联网科技有限公司
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Application filed by 铁道第三勘察设计院集团有限公司, 杭州珏光物联网科技有限公司 filed Critical 铁道第三勘察设计院集团有限公司
Priority to CN201410013970.5A priority Critical patent/CN103776420A/en
Publication of CN103776420A publication Critical patent/CN103776420A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels

Abstract

The invention discloses a collimation laser imaging-based pier sedimentation online monitoring and prewarning system. A laser spot imaging technology measurement settlement meter is serially connected by adopting a wired or wireless communication method, laser is emitted to a pier to be monitored by using a datum point, and thus the sedimentation of the pier to be monitored is measured, and the pier emits laser pointing the next pier to be monitored, and thus the sedimentation of the next pier to be monitored is measured, and thus the measured sedimentations are serially connected so that the sedimentation of the pier can be measured. A laser settlement meter comprises a laser light source, a light spot imaging and image processing part and a communication module, wherein the communication module is capable of controlling the laser source and the image processing module. The collimation laser imaging-based pier sedimentation online monitoring and prewarning system is used for monitoring the sedimentation of all piers online by using a complete system comprising the laser sedimentation meter, a data route controller, a network, a server, a client and the like, and emits a system early warning when the system is in danger so as to be referred by a system operation decision maker.

Description

A kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging
Technical field:
The invention belongs to settlement of foundation safety monitoring field, relate generally to the technical fields such as civil engineering work, electronics, photoelectron, information processing, computer software.
Technical background
At present, settlement monitoring mainly adopts monitoring stake, Settlement Cup, settlement plate, magnet ring sedimentometer, hydraulic type Section type settlement instrument and horizontal inclinometer, intelligent total powerstation, all kinds of hydrostatic level (comprising fiber Bragg grating type, condenser type, CCD formula), pressure unit etc.These monitoring equipment efficiency are low, error is large, cost is high, measurement parameter is not comprehensive, install very complicated.Be difficult to extensively middle use in large-scale railway engineering.
Bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging that the present invention adopts, adopt collimation laser, photoelectric imaging technology, image processing techniques, wireless communication technique, computer software technology to realize real time on-line monitoring, real-time early warning, there is the advantages such as simple, easy networking are installed.
Summary of the invention
The present invention utilizes the one-way of laser, the LASER Light Source of a measurement point is by the imaging target surface of laser alignment another one measurement point, photoelectronic imaging device is taken pictures to hot spot, find out the center of laser facula through the method for image processing, after processing, signal processing system, by communication module, data are sent to server, to record its initial facula position.When sedimentation has occurred for certain measurement point wherein, facula position changes, and system will be taken pictures to hot spot, and through same processing, record data, according to the contrast of measurement data, can obtain relative position △ X, the △ Y of sedimentation.Laser sedimentation instrument comprises LASER Light Source, imaging target surface, photoelectronic imaging device, image processing system and communication module.
If the first test point is reference point, there is not sedimentation in this position, the data that obtain from the second test point are so the settling data of the second test point point, the settling data of the 3rd test point can calculate and obtain according to the data of the second test point, and the settling data of all the other test points can obtain by same method.
The cascade of laser sedimentation instrument is formed to measuring system.In a measuring system, should have in a laser sedimentation instrument and comprise data router, the function of data router is the data of this measuring system of restructuring.Measuring system, communication network and client form bridge pier sedimentation on-line monitoring and the early warning system based on collimation laser imaging.Wherein, host computer or server can be parts for client.
According to this system, the communication network of employing makes can carry out data communication between adjacent test point, thereby by the settlement calculation of self out; The network technology adopting also can make both-way communication between laser sedimentation instrument and client or server.
According to this system, described client can be a computer or can access services device smart machine.Client can be controlled laser sedimentation instrument and when carry out DATA REASONING, when stops measuring, data being returned simultaneously; Client can be known the working condition of laser sedimentation instrument, if laser sedimentation instrument breaks down, server can obtain the error code of fault, how to fix a breakdown to know.
According to this system, occur communication failure time, laser sedimentation instrument should be tested according to the test period of setting, and saved the data in laser sedimentation instrument, data delivery again after data communication is recovered, every sedimentometer should be preserved the test data of at least 7 days.Data router also should have this function, data communication service disruption time, the data that storage laser sedimentation instrument reports, in the time that data communication is recovered, data router can be by data upload, data router should have not volatilizable storage space, even in the situation of power-off, data also can not be lost.From client to the communication link laser sedimentation instrument, client should be understood whole transmitting procedures of data.
According to this system, the test data of laser sedimentation instrument is after default, and the data typing of system is that in the situation that breaking down, system also supports manually to import data completely automatically, can utilize special software to import.
According to this system, system can automatically generating according to form, data sheet can customize according to business demand, how system also provides the function of report customization.
According to this system, system can be set the threshold value of some laser sedimentation instrument, or the measurement threshold value of all laser sedimentation instrument, exceed after threshold value in measurement data, system can be sent system early warning, system also can define a mathematical model, and the alarm settings of this mathematical model can be the data according to one or more laser sedimentation instrument.
Accompanying drawing explanation
Fig. 1: the present invention is installed on the schematic diagram that Railway Bridges And Piers adopts cascade to use.Wherein laser sedimentation instrument is installed on the Dun Ding of Railway Bridges And Piers.Usually, laser sedimentation instrument comprises, imaging target surface, photoelectronic imaging device, image processing system, communication module, LASER Light Source etc.
Fig. 2: system diagram of the present invention, laser sedimentation instrument is installed on the Dun Ding of Railway Bridges And Piers, in the laser sedimentation instrument of a group, first needs LASER Light Source and communication module, middle laser sedimentation instrument generally comprises imaging target surface, laser imaging photoelectronic imaging device, image processing system, communication module, LASER Light Source combination, after a last laser sedimentation instrument, need to be with a data routing device, or be called host computer, this equipment is used for coordinating the collection of this group laser sedimentation instrument, data acquisition etc., to collect this equipment simultaneously, then be forwarded to server by 3G network or other Ethernet physical connections.Its data router can be that the bent ee of Zi turns ethernet router, or RS-485 turns ethernet router; Also can be the conversion that other embedded systems or computer system are used for doing data message, reach the object that the data of laser sedimentation instrument is sent to server.Connection between data router and internet can be wireless network as (GPRS, EDGE, 3G, LTE, Wi-Fi), can be also cable network, as twisted-pair feeder, fiber optic network.In Fig. 2, client is a computer with energy access services device, and for presenting the settlement measurement data of each laser sedimentation instrument, mobile terminal is a mobile terminal with energy access services device, as smart mobile phone, panel computer energy.
Fig. 3: the present invention is corresponding to the system architecture diagram of Internet of Things, wherein, LASER Light Source, imaging target surface and photoelectronic imaging device, image processing system, communication module, message reorganize, communications protocol is changed etc. is thing network sensing layer; Internet of Things network layer is the network layer that adopts wireless or cable network; Internet of Things application layer is mainly software systems, comprises data automatic input, database, Threshold judgement of server end etc., and client software comprises man-machine interface, auto report completing, information management system etc.
Specific embodiments
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail:
The present embodiment provides a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging, and this system comprises: thing network sensing layer, Internet of Things network layer and Internet of Things application layer.Described thing network sensing layer, for gathering the relative settlement data of laser sedimentation instrument; Described Internet of Things network layer, for receiving and sending network data, for set up network communication between Internet of Things application layer and sensing layer, for transmitting data and control command; Internet of Things application layer, calculates the data that receive determine whether and send alerting signal.The internet of things structure of this example as shown in Figure 3.
As shown in Figure 1,32.5 meters, the general interval of Railway Bridges And Piers to be measured, even if some local spacing is greater than 32.5 meters, generally being greater than 50 meters just should not monitor continuously, just should be divided into different groups, be mainly to consider that distance is too large, laser, making laser facula expand after oversize distance, affects measuring accuracy.In the place of rail bending, can not guarantee that the laser sedimentation instrument of cascade, on same line, should adjust the laser direction of laser sedimentation instrument in this case, laser direction is pointed on the imaging target surface of next laser sedimentation instrument.Generally, laser sedimentation instrument should be installed on the Dun Ding of bridge pier.
Because laser sedimentation instrument is supported wireless Zigbee communication and RS-485 communication, it is all reliable in general adopting any communication mode.If not a lot of interference of wireless telecommunications, suggestion adopts the communication side of Zigbee to violate, if annex has a lot of electromagnetic interference (EMI), as power plant, wireless transmitting station etc., suggestion adopts wire communication.
Also a lot of to the adoptable connection of connection of internet by data router, there are the wireless networks such as GPRS, EDGE, 3G, LTE, Wi-Fi, also can adopt wired ethernet, as twisted-pair feeder, fiber optic network etc.Data router adopts an embedded system based on Linux in this example, and it can receive the data of the bent ee of Zi, and then by after message tissue, uses the Ethernet interface of linux system by data access internet.In this example, we have adopted Samsung S5PV210Cortex A8CPU is embedded system, and having adopted Linux-2.6.35 is core, and data router has comprised Zigbee module, 3G network module, ethernet module, RS-485 module etc.
At server end, the server that can build can adopt self-built server or adopt suitable Cloud Server, and the cloud service of native system generally adopts the server of Intel Xeon CPU, can adopt Linux or Windows operating system.Adopt SQL database, generally can adopt MySQL or Microsoft SQL Server or oracle database.The server module adopting can adopt module composition, is independently each other.
In client, the solution that can adopt is a lot, as the example of native system, we have adopted the Windows Presentation Foundati6n (WPF) of Microsoft as development platform, employing C++ does background service and server carries out communication, C#, as the software development language of WPF, realizes native system.
In the time there is early warning event, system Adoption Network SMS service, sends to corresponding responsible official by SMS messaging and Email.In the time that system breaks down, system also can Adoption Network SMS service or Email apprizing system responsible official.

Claims (8)

1. bridge pier sedimentation on-line monitoring and the early warning system based on collimation laser imaging, comprises measuring system, communication network and client, it is characterized in that:
The cascade of laser sedimentation instrument forms measuring system, and usually, laser sedimentation instrument comprises LASER Light Source, imaging target surface, photoelectronic imaging device, image processing system and communication module; Photoelectronic imaging device is taken pictures the laser that is radiated at imaging target surface, and image processing system is found out the center of laser facula, after signal processing system is processed, sends to client by communication module; Communication network is effectively connected measuring system with client.
2. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, it is characterized in that communication network can both-way communication, both-way communication does not exist only between adjacent test point, is present between client and measuring system yet.
3. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, is characterized in that communication network can wireless transmission or wire transmission.
4. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, it is characterized in that client can be a computer or smart machine that can access services device, it can control laser sedimentation instrument working condition, understands the transmitting procedure of data.
5. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, it is characterized in that laser sedimentation instrument still can carry out work according to the mode of operation of setting in the time there is communication failure, and there is the function of storage data, when communication is normal, then by data upload.
6. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, while it is characterized in that this system works, the typing of system data, processing and transmission are automatically to carry out, and support manually to import data while breaking down.
7. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, is characterized in that system can arrange the threshold value of laser sedimentation instrument or is a mathematical model by system definition, sends system early warning while departing from.
8. a kind of bridge pier sedimentation on-line monitoring and early warning system based on collimation laser imaging as claimed in claim 1, it is characterized in that can comprising a data route in measuring system, its function is the data of this measuring system of restructuring, and the data after restructuring are passed to client.
CN201410013970.5A 2014-01-09 2014-01-09 Collimation laser imaging-based pier sedimentation online monitoring and prewarning system CN103776420A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316024A (en) * 2014-10-09 2015-01-28 中国人民解放军国防科学技术大学 Simple cascading camera chain measuring method and system for monitoring multipoint settlement
CN106052640A (en) * 2016-08-04 2016-10-26 郑州铁路局科学技术研究所 AliCloud-based on-line monitoring method and system for high-speed rail bridge settlement
CN106871793A (en) * 2017-04-20 2017-06-20 吴慧明 A kind of use laser and the method for imaging technique combined monitoring building displacement
CN107462214A (en) * 2017-08-24 2017-12-12 南京斯比特电子科技有限公司 A kind of high interference immunity fan laser wireless settlement instrument and its monitoring method
CN109239734A (en) * 2018-08-24 2019-01-18 河南东网信息技术有限公司 A kind of Along Railway environmental safety monitor and control early warning system
CN109387179A (en) * 2018-11-26 2019-02-26 上海建工集团股份有限公司 A kind of engineering construction Monitoring method of the subsidence and equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104316024A (en) * 2014-10-09 2015-01-28 中国人民解放军国防科学技术大学 Simple cascading camera chain measuring method and system for monitoring multipoint settlement
CN104316024B (en) * 2014-10-09 2017-01-18 中国人民解放军国防科学技术大学 Simple cascading camera chain measuring method and system for monitoring multipoint settlement
CN106052640A (en) * 2016-08-04 2016-10-26 郑州铁路局科学技术研究所 AliCloud-based on-line monitoring method and system for high-speed rail bridge settlement
CN106871793A (en) * 2017-04-20 2017-06-20 吴慧明 A kind of use laser and the method for imaging technique combined monitoring building displacement
CN106871793B (en) * 2017-04-20 2019-02-19 吴慧明 A method of it is displaced using laser and imaging technique combined monitoring building
CN107462214A (en) * 2017-08-24 2017-12-12 南京斯比特电子科技有限公司 A kind of high interference immunity fan laser wireless settlement instrument and its monitoring method
CN107462214B (en) * 2017-08-24 2020-04-21 南京斯比特电子科技有限公司 High-interference-resistance fan-shaped laser wireless settlement meter and monitoring method thereof
CN109239734A (en) * 2018-08-24 2019-01-18 河南东网信息技术有限公司 A kind of Along Railway environmental safety monitor and control early warning system
CN109387179A (en) * 2018-11-26 2019-02-26 上海建工集团股份有限公司 A kind of engineering construction Monitoring method of the subsidence and equipment

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Application publication date: 20140507