CN105526974A - Monitoring device for big displacement telescoping device for bridge usage - Google Patents
Monitoring device for big displacement telescoping device for bridge usage Download PDFInfo
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- CN105526974A CN105526974A CN201610064795.1A CN201610064795A CN105526974A CN 105526974 A CN105526974 A CN 105526974A CN 201610064795 A CN201610064795 A CN 201610064795A CN 105526974 A CN105526974 A CN 105526974A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a monitoring device for a big displacement telescoping device for bridge usage, comprising a plurality of sensors, a data collection unit, an intelligent control unit, a data transmission unit, a data processing unit and a client terminal. The data collection unit is connected to the sensor; the intelligent control unit is connected to the data collection unit through the data line; the data processing unit comprises a FPGA system, a signal emission module and a signal reception module; the FPGA system exchanges data with the intelligent control unit through the data transmission unit; the signal emission module transmits signal to the client terminal through the wireless network; and the signal reception module receives the signal of the client terminal through the wireless network. The function units of the system adopt he modularized design and is simple in structure. The invention collects the working state information of the telescopic device through the sensor, transmits the information through the network, and provides the data support to maintaining plane of the management department.
Description
Technical field
The present invention relates to a kind of intelligent monitor system, particularly a kind of intelligent monitor system for monitoring bridge Large travel range retractor device, belonging to road and bridge, railway technology field.
Background technology
At present, the highway communication of China is in the situation of heavy duty, high density traffic for a long time, the Large travel range retractor device of bridge, due to large, the baroque feature of its displacement, is no matter import or domestic, in use all occurs problems.Once be damaged, if select maintenance, then workload is huge, and maintenance cost is high, if select integral replacing, will bring again and have a strong impact on, and cause huge economic loss to traffic.
Solve the flimsy problem of Large travel range retractor device, fully must grasp its failure mechanism, find out the reason that it produces earlier period damage, make improvements from aspects such as structure, material, performances targetedly.Simultaneously, also the intelligent inspection technology of necessary grasp based on kinetic test is analyzed, dynamic monitoring is carried out to Large travel range retractor device, guarantees that it is in healthy running status for a long time, avoid from the beginning occurring early damage or carrying out as early as possible safeguarding to alleviate or slow down destruction as far as possible.
Summary of the invention
The object of the invention is to: for above-mentioned Problems existing, a kind of monitoring system of bridge Large travel range retractor device is provided, for monitoring bridge Large travel range retractor device.
The technical solution used in the present invention is such:
A kind of monitoring system of bridge Large travel range retractor device, comprise several sensors, data acquisition unit, intelligent control unit, data transmission unit, data processing unit and client terminal, described data acquisition unit is connected with sensor, described intelligent control unit is adopted MSC-51 Single Chip Microcomputer (SCM) system as core devices and is connected with data acquisition unit by data line, described data processing unit comprises FPGA system, signal emission module and signal receiving module, FPGA system is by carrying out exchanges data between data transmission unit and intelligent control unit, signal emission module sends the signal of FPGA system to client terminal by wireless network, the signal that signal receiving module is sent to FPGA system by wireless network reception client terminal.
As preferably, described data acquisition unit gathers simulating signal by data line from sensor, then utilizes A/D converter to be converted into numerical signal and stores.
As preferably, described data acquisition unit is changed before gained numerical signal is sent to intelligent control unit, also will first through pre-service, if the Dynamic Signal gathered, then by filtration module, filtering process is carried out to it, if the stationary singnal gathered, then by logical algorithm module, statistical study peace average value processing is carried out to its signal peak.
As preferably, described sensor comprises any one or a few combination of the sensors such as displacement transducer, speed pickup, acceleration transducer, strain transducer.Displacement transducer gathers displacement signal, speed pickup picking rate signal, and acceleration transducer gathers acceleration signal, and strain transducer gathers strain signal.Adopt different sensor combinations as required, collection signal is gone forward side by side row relax respectively.
As preferably, described intelligent control unit control data collecting unit gathers simulating signal and the process converting thereof into numerical signal also receives the numerical signal transmitted from data acquisition unit to sensor, and the numerical signal received also is transferred to data processing unit by data transmission unit by described intelligent control unit.
As preferably, described data processing unit successively carries out FFT conversion, filtering nursing, time-domain analysis to being passed the numerical signal of coming by data transmission unit, then carry out statistical study, trend analysis and comparative analysis as required, finally analysis result regularly stored and exported by network according to the request of client terminal.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1. by sensor being laid in the expansion joint place of the Large travel range retractor device of bridge, collect the signal of each sensor, as static state, dynamic, the displacement information of retractor device, and central sill, crossbeam the information such as vibration displacement, speed, acceleration, strain, then can be obtained the health status of retractor device by data processing, provide Data support for administrative authority formulates maintenance plan.
2. whole detection system structure is simple, and each functional unit all adopts modular design, is convenient to transport and the installation of device.
3, can multi-aspect information be gathered by different sensors and analyze, the working condition of energy Obtaining Accurate retractor device.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Fig. 2 is flow chart of data processing figure of the present invention.
Mark in figure: 1 is sensor, and 2 is data acquisition unit, and 3 is intelligent control unit, and 4 is data transmission unit, and 5 is data processing unit, and 6 is client terminal, and 7 is central sill, and 8 is crossbeam, and 9 is flexible member, and 10 is bridge beam body.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:
As shown in Figure 1, a kind of monitoring system of bridge Large travel range retractor device, comprise sensor 1 several, data acquisition unit 2, intelligent control unit 3, data transmission unit 4, data processing unit 5 and client terminal 6, described data acquisition unit 2 is connected with sensor 1, described intelligent control unit 3 is adopted MSC-51 Single Chip Microcomputer (SCM) system as core devices and is connected with data acquisition unit 2 by data line, described data processing unit 5 comprises FPGA system, signal emission module and signal receiving module, FPGA system is by carrying out exchanges data between data transmission unit 4 and intelligent control unit 3, signal emission module sends the signal of FPGA system to client terminal 6 by wireless network, the signal that signal receiving module is sent to FPGA system by wireless network reception client terminal 6.
Described sensor 1 comprises the sensors such as displacement transducer, speed pickup, acceleration transducer, strain transducer, may be used alone, can also be used in combination as required.During use, each sensor 1 is laid in the central sill 7 of bridge, crossbeam 8 and Flexible element 9 place.
Described data acquisition unit 2 gathers simulating signal by data line from sensor 1, then utilizes A/D converter to be converted into numerical signal and stores.
Described data acquisition unit 2 is changed before gained numerical signal is sent to intelligent control unit 3, also will first through pre-service, if the Dynamic Signal gathered, then by filtration module, filtering process is carried out to it, if the stationary singnal gathered, then by logical algorithm module, statistical study peace average value processing is carried out to its signal peak.
Described intelligent control unit 3 control data collecting unit 2 gathers simulating signal and the process converting thereof into numerical signal also receives the numerical signal transmitted from data acquisition unit 2 to sensor 1, and the numerical signal received also is transferred to data processing unit 5 by data transmission unit 4 by described intelligent control unit 3.
Described data processing unit 5 successively carries out FFT conversion, filtering nursing, time-domain analysis to being passed the numerical signal of coming by data transmission unit 4, then carry out statistical study, trend analysis and comparative analysis as required, finally analysis result regularly stored and exported by network (cable network or wireless network) according to the request of client terminal 6.Also can pre-set threshold value be with early warning in data processing unit 5, if detect, retractor device breaks down, then determine the position of fault and to report to the police to client terminal 6 in time.Also can programme to FPGA system, make it regularly generate the historical variations trend form of retractor device leading indicator and count the information such as vehicle flowrate, the speed of a motor vehicle, axletree weight, the bridge beam body natural frequency of vibration.
The flow chart of data processing of above-mentioned each module as shown in Figure 2.
In data processing unit 5, spectrum analysis, transfer function analysis is carried out to from bridge Large travel range retractor device data everywhere, the data analyzing data and bridge beam body 10 are contrasted, the vibration frequency data of the changes of slit length situation of acquisition retractor device and central sill 7, crossbeam 8.If find, a certain item numerical value exceedes safe threshold, initiatively adopts cable network or wireless 3G/4G network transmission to give warning in advance to client terminal 6.
Claims (6)
1. the monitoring system of a Large travel range retractor device, it is characterized in that: comprise several sensors (1), data acquisition unit (2), intelligent control unit (3), data transmission unit (4), data processing unit (5) and client terminal (6), described data acquisition unit (2) is connected with sensor (1), described intelligent control unit (3) is adopted MSC-51 Single Chip Microcomputer (SCM) system as core devices and is connected with data acquisition unit (2) by data line, described data processing unit (5) comprises FPGA system, signal emission module and signal receiving module, FPGA system is by carrying out exchanges data between data transmission unit (4) and intelligent control unit (3), signal emission module sends the signal of FPGA system to client terminal (6) by wireless network, signal receiving module receives by wireless network the signal that client terminal (6) sends to FPGA system.
2. the monitoring system of a kind of bridge Large travel range retractor device according to claim 1, it is characterized in that: described data acquisition unit (2) gathers simulating signal by data line from sensor (1), then utilizes A/D converter to be converted into numerical signal.
3. the monitoring system of a kind of bridge Large travel range retractor device according to claim 2, it is characterized in that: described data acquisition unit (2) is changed before gained numerical signal is sent to intelligent control unit (3), also will first through pre-service, if the Dynamic Signal gathered, then by filtration module, filtering process is carried out to it, if the stationary singnal gathered, then by logical algorithm module, statistical study peace average value processing is carried out to its signal peak.
4. the monitoring system of a kind of bridge Large travel range retractor device according to claim 1, is characterized in that: described sensor (1) comprises any one or a few combination of the sensors such as displacement transducer, speed pickup, acceleration transducer, strain transducer.
5. the monitoring system of a kind of bridge Large travel range retractor device according to claim 1 and 2, it is characterized in that: described intelligent control unit (3) control data collecting unit (2) gathers simulating signal and the process converting thereof into numerical signal also receives the numerical signal transmitted from data acquisition unit (2) to sensor (1), and the numerical signal received also is transferred to data processing unit (5) by data transmission unit (4) by described intelligent control unit (3).
6. the monitoring system of a kind of bridge Large travel range retractor device according to claim 1, it is characterized in that: described data processing unit (5) successively carries out FFT conversion, filtering nursing, time-domain analysis to being passed the numerical signal of coming by data transmission unit (4), then carry out statistical study, trend analysis and comparative analysis as required, finally analysis result regularly stored and exported by network according to the request of client terminal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610064795.1A CN105526974A (en) | 2016-01-29 | 2016-01-29 | Monitoring device for big displacement telescoping device for bridge usage |
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| CN201610064795.1A CN105526974A (en) | 2016-01-29 | 2016-01-29 | Monitoring device for big displacement telescoping device for bridge usage |
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| CN201610064795.1A Pending CN105526974A (en) | 2016-01-29 | 2016-01-29 | Monitoring device for big displacement telescoping device for bridge usage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113029067A (en) * | 2021-03-24 | 2021-06-25 | 马超 | Bridge expansion joint monitoring and connecting device |
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| CN204988369U (en) * | 2015-09-23 | 2016-01-20 | 重庆亚派桥梁工程质量检测有限公司 | Big displacement expansion joint structure monitoring system of bridge |
| CN205373769U (en) * | 2016-01-29 | 2016-07-06 | 成都市新筑路桥机械股份有限公司 | Bridge is with monitoring devices of big displacement telescoping device |
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- 2016-01-29 CN CN201610064795.1A patent/CN105526974A/en active Pending
Patent Citations (9)
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| US20090287863A1 (en) * | 2008-05-19 | 2009-11-19 | James Robertson | Real time data interface |
| CN201773183U (en) * | 2010-05-07 | 2011-03-23 | 北京邮电大学 | Portable radio direction finding device |
| CN102279584A (en) * | 2011-05-13 | 2011-12-14 | 广东工业大学 | Overhead crossbeam three-dimensional small deformation calculation method based on triaxial acceleration transducer |
| CN102735331A (en) * | 2011-11-30 | 2012-10-17 | 重庆大学 | Network node of wireless sensor with on-sheet processing capability |
| US20140277827A1 (en) * | 2013-03-13 | 2014-09-18 | Service Solutions U.S. Llc | Vehicle measurement apparatus having a system-on-a-chip device and a sensor |
| CN204758012U (en) * | 2015-04-15 | 2015-11-11 | 无锡市博尚光电科技有限公司 | Utilize bridge structures health monitoring wireless device of environment electromagnetic wave power supply |
| CN105136075A (en) * | 2015-09-22 | 2015-12-09 | 江西飞尚科技有限公司 | Bridge dynamic deflection measurement system and method based on ultrasonic principle |
| CN204988369U (en) * | 2015-09-23 | 2016-01-20 | 重庆亚派桥梁工程质量检测有限公司 | Big displacement expansion joint structure monitoring system of bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113029067A (en) * | 2021-03-24 | 2021-06-25 | 马超 | Bridge expansion joint monitoring and connecting device |
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