CN206475888U - Rail clip working state of system real-time monitoring device and system - Google Patents
Rail clip working state of system real-time monitoring device and system Download PDFInfo
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- CN206475888U CN206475888U CN201720098469.2U CN201720098469U CN206475888U CN 206475888 U CN206475888 U CN 206475888U CN 201720098469 U CN201720098469 U CN 201720098469U CN 206475888 U CN206475888 U CN 206475888U
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Abstract
The utility model discloses a kind of rail clip working state of system real-time monitoring device and system.The device includes sensor assembly and signal receiving module, and sensor assembly includes at least one in acceleration transducer, foil gauge and displacement transducer；Signal receiving module includes at least one in correspondingly acceleration transducer adapter, foil gauge adapter and displacement transducer adapter；Data acquisition unit；Data storage；And data wireless transceiver, wherein acceleration transducer adapter is that acceleration transducer is powered and gathers the acceleration information from it；Foil gauge adapter is that foil gauge is powered and gathers the strain data from it；Displacement transducer adapter is that displacement transducer is powered and gathers the displacement data from it；Data acquisition unit collects the data from each adapter, and is stored in data storage, is sent in real time by data wireless transceiver, so that analysis determines the working condition of the fastener system.
Description
Technical field
The utility model is related to technical field of rail traffic, and more particularly to a kind of rail clip working state of system is supervised in real time
Survey device and system.
Background technology
The development of the track transportation industries such as China's high ferro, city underground, inter-city passenger rail is swift and violent, is played in the development of the national economy
Significant role.The national high ferro total kilometrage of cut-off in September, 2016 reaches 20,000 kilometers, accounts for the world more than 60%.High ferro train is in pole
While the earth facilitates people's go off daily, higher requirement is also itself provides to track traffic facility.
Rail clip system is a critical component in continuous welded rail track.With the continuous rising of train running speed, fastener
The mechanical environment of spring becomes more severe：Vibration acceleration magnitude increases, and high band energy is dramatically increased.These change increases
The risk of the damage of spring mechanical fatigue and failure.At present in the track circuit of each operation caused by vibration level is excessive
Spring fracture failure happens occasionally.Spring is broken suddenly can have a strong impact on circuit operation safety, increase line upkeep cost of upkeep.
Currently go back the good method of neither one to monitor the working condition of spring, reason has：
A. fastener system dynamics is complicated；
B. monitoring is big with sensor technology difficulty, requires higher to environmental suitability；
C. the measurement of single type can not accurately appraisal state, it is necessary to which sensor cooperates；
D. completely monitoring in real time, data volume greatly, requires high to big data analyzing and processing solution；
Intellectual monitoring solution, it is more to be related to professional domain, high to multi-disciplinary collaboration requirements.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of Intelligent rail fastener system vibration monitoring device and is
System.The device and system can effectively monitor the working condition of spring, the position of accurate forecast potential failure spring, in spring
Early warning is made before failing, it is to avoid destruction suddenly occur, ensure rail safety operation, reduce railway maintenance cost.
The utility model first aspect discloses a kind of rail clip working state of system real-time monitoring device, including
Sensor assembly, including
For measuring the acceleration transducer of fastening elastic rod acceleration, the foil gauge for measuring fastening elastic rod strain and use
In measurement fastening elastic rod displacement displacement transducer at least one；
Signal receiving module, including
Correspondingly, at least one in acceleration transducer adapter, foil gauge adapter and displacement transducer adapter；
Data acquisition unit；
Data storage；And
Data wireless transceiver,
Wherein acceleration transducer adapter is that acceleration transducer is powered and gathers the acceleration information from it；Strain
Piece adapter is that foil gauge is powered and gathers the strain data from it；Displacement transducer adapter is that displacement transducer is powered simultaneously
Gather the displacement data from it；Data acquisition unit collects the data from each adapter, and is stored in data storage, real
When sent by data wireless transceiver, for analysis determine the fastener system working condition.
In one embodiment, when the sensor assembly includes acceleration transducer, the monitoring device also includes
Sensor installation pedestal, sensor used in measurement is directly installed on fastening elastic rod by sensor installation pedestal.
In one embodiment, in addition at least one acceleration information, strain data and displacement data, the signal
The numbering of spring where receiving module also records the signal of the sensor measured.
In one embodiment, the signal receiving module also records measurement date and time.
In one embodiment, acceleration transducer be installed such that at least ensure that can measure fastening elastic rod vertically side
Upward acceleration signal；Foil gauge is fixed on spring region of stress concentration；Displacement transducer is arranged on the maximum vertical side of spring
To the position of displacement.
In one embodiment, the data acquisition unit has two kinds of mode of operations of work and dormancy, when train will lead to
Out-of-date, a Time Domain Amplitude of the fastening elastic rod vibration acceleration signal measured using acceleration transducer is triggering amount, data acquisition
Device is in park mode in the case of entering mode of operation start recording data, inoperative.
In one embodiment, the acceleration transducer adapter is integrated into an acceleration with the data acquisition unit
Signals collecting function panel, is responsible for the collection of acceleration information；And/or the foil gauge adapter and the data acquisition unit collection
As a strain signal acquisition function panel, it is responsible for the collection of strain data；And/or institute's displacement sensors adapter and institute
State data acquisition unit and be integrated into a displacement signal acquisition function panel, be responsible for the collection of displacement data.
The utility model second aspect discloses a kind of rail clip working state of system real-time monitoring system, including
Rail clip working state of system real-time monitoring device according to the utility model first aspect；
Data basestation；
Data analysis processor；And
Terminal module,
Wherein the data of collection are sent to data basestation by data wireless transceiver, and data basestation is by dedicated network by number
Analyzed according to data analysis processor is sent to, according to fastener system changing features, judge fastening elastic rod working condition, when going out
During existing fastening elastic rod working condition exception, pre-warning signal is sent to terminal module.
The beneficial effects of the utility model are as follows：
By device and system of the present utility model, at least one following technique effect can be reached：
It can directly, accurately and rapidly find that fastener system fails, directly point out invalid position；
The potential defect of fastener system can be found in time there is provided early warning failure, finally can contacting piece use health status
Carry out intelligent predicting；
Automaticity is high, can greatly reduce railway maintenance cost, improves all fronts track operation safety.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 be according to the rail clip working state of system real-time monitoring device of the utility model one embodiment and including
The schematic diagram of its system；
Fig. 2 is the signal receiving module schematic diagram according to the utility model one embodiment；
Fig. 3 is the logical layer schematic diagram of the real-time monitoring system according to the utility model one embodiment；And
Fig. 4 shows the rail clip working state of system monitoring method according to the utility model one embodiment.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and protection domain of the present utility model should not be limited with this.
With reference to Fig. 1, show the rail clip working state of system real-time monitoring device 1 of place's the utility model one embodiment,
Including sensor assembly 10 and signal receiving module 20.
Sensor assembly 10 includes being used to measure the acceleration transducer 100 of fastening elastic rod acceleration, for measuring fastener
Spring strain foil gauge 105 (it is also a kind of sensor) and for measure fastening elastic rod displacement displacement transducer 110,
And sensor installation pedestal (or frock) 115, sensor is directly installed on fastening elastic rod 2 by sensor installation pedestal 115
On.
Signal transmitting and receiving module 20 includes acceleration transducer adapter 200, foil gauge adapter 205, displacement transducer and fitted
Orchestration 210, data acquisition unit 215, data storage 220 and data wireless transceiver 225.Wherein acceleration transducer adapter
200 be that acceleration transducer 100 is powered and gathers the acceleration information from it；Foil gauge adapter 205 is that foil gauge 105 is supplied
Electricity simultaneously gathers the strain data from it；Displacement transducer adapter 210 is that displacement transducer 110 is powered and gathered from it
Displacement data.Data acquisition unit 215 collects the data from each adapter, and is stored in data storage 220, leads in real time
Cross data wireless transceiver 225 to send, so that analysis determines the working condition of the fastener system.
By device of the present utility model, it can find that the potential defect of fastener system, there is provided early warning failure, finally may be used in time
The use health status of contacting piece carries out intelligent predicting.
In a specific example, the information that signal transmitting and receiving module 20 is recorded includes：The acceleration of sensor measurement, strain
And displacement, the numbering (spring position) of spring where sensor signal, measure date and time etc..
The position and mode that acceleration transducer 100 is installed are enough well, can measure the bullet in (X, Y, Z) three directions
Bar acceleration, however, in a specific example of the present utility model, acceleration transducer 100 is installed such that at least true
Guarantor can measure acceleration signal on fastening elastic rod vertical direction.
In a specific example, the gross mass of acceleration transducer 100 and acceleration transducer installation pedestal 115 does not surpass
Cross 0.03kg.
In a specific example, foil gauge 105 is fixed in the way of stickup on spring region of stress concentration, this area
Technical staff is able to know that the position of spring region of stress concentration according to on-site actual situations and experience.
In a specific example, displacement transducer 110 is typically mounted on the maximum vertical direction displacement of measurable spring
Position, those skilled in the art are able to know that the position of the maximum vertical direction displacement of spring according to on-site actual situations and experience.
Further, acceleration transducer 100, the effective frequency range of foil gauge 105 are preferably 10-3000Hz, are held
Difference is ± 10%.The effective frequency range of displacement transducer 115 is preferably 10-1000Hz, and tolerance is ± 10%.
Further, the resolution ratio of acceleration transducer 100 is preferably better than 0.1m/s2(virtual value RMS)；Displacement sensing
The resolution ratio of device 110 is preferably better than 0.01mm (RMS).
In a specific example, the sample frequency of data acquisition unit 215 is not less than 10kHz.
Further, the data acquisition unit 215 has two kinds of mode of operations of work and dormancy, when train will pass through
When, a Time Domain Amplitude of the fastening elastic rod vibration acceleration signal measured using acceleration transducer 100 is triggering amount, data acquisition
Device 215 is in park mode in the case of entering mode of operation start recording data, inoperative.The triggering amount can by operator or
User is rule of thumb set by terminal module described below, and the triggering amount is sent out by data wireless transceiver 225
Give acceleration transducer 100.So, on the premise of monitoring in real time is guaranteed, the power consumption of device is reduce further, is extended
The service life of device.
According to the difference of measurement physical quantity, sensor signal type has acceleration, displacement and strain.Can be on same spring
Three kinds of sensors is arranged, as described in above-mentioned embodiment, one or two kinds of therein can be also arranged as needed.At this
In the case of kind, corresponding adapter also only includes one or two kinds of.
The utility model is based on modularized design thinking, according to dissimilar sensor output signal feature, targetedly
Different Signals collecting function panels are developed, tune is made to it the need for being measured on signal receiving/transmission device 20 according to reality
It is whole, with convenient, reliable advantage.
Specifically, as shown in Fig. 2 acceleration transducer adapter 200 and data acquisition unit 215 can be integrated into one plus
Rate signal acquisition function panel 230, is responsible for the collection of acceleration information.
The foil gauge adapter 205 can be integrated into a strain signal acquisition function with the data acquisition unit 215
Panel 240, is responsible for the collection of strain data.
Institute's displacement sensors adapter 210 can be integrated into a displacement signal acquisition with the data acquisition unit 215
Function panel 250, is responsible for the collection of displacement data.
Various functions panel and the interface of the signal transmitting and receiving module 20 are unified, can select as needed.
The utility model is additionally provided a kind of is including above-mentioned rail clip working state of system real-time monitoring device 1
System, in addition to data basestation 3, data analysis processor 4 and terminal module 5.Wherein data wireless transceiver 225 is with channel radio
The data of collection are sent to data basestation 3 by the mode of news, and data basestation 3 sends the data to data analysis by dedicated network
Processor 4 is analyzed.
Terminal module 5 is, for example, that PC, mobile phone, tablet personal computer etc. can have display, input and connect at data analysis
Manage all terminals of device 4.By the terminal module, monitoring parameter, display monitoring result can be set, pre-warning signal et al. is received
Machine interactive function.
From the point of view of logical layer angle, as shown in figure 3, the system is divided into measurement layer, measurement work(is realized by sensor assembly 10
Energy；Access Layer, access function is realized by signal receiving module 20；Convergence-level, function is realized by data basestation 3；Core layer, by counting
Function is realized according to analysis processor 4；Terminating layer, function is realized by terminal module 5.
Data analysis processor 4 chooses suitable data block from data to be analyzed, wherein suitable data block refers to
Whole time-domain signal to be analyzed is macroscopical steady-state signal when train passes through；Time domain and frequency domain point are carried out to signal
Analysis；According to fastener system changing features, the fastening elastic rod working condition is judged, when there is fastening elastic rod working condition exception,
Pre-warning signal is sent to terminal module 5.
By system of the present utility model, spring work state information can be gathered in real time, and fastener system can be found in time
Potential defect of uniting there is provided early warning failure, finally can the use health status of contacting piece carry out intelligent predicting.And once operate
Member is set after parameter, and system is monitored automatically, and automaticity is high, can greatly reduce railway maintenance cost, is improved
All fronts track operation safety.
, it is necessary to correspondingly set monitoring to fill according to the distribution of track upper rail fastener system in actual application scenarios
Put the number and location of 1 and wireless data base station 3.In a specific example, the effective coverage distance in wireless data base station 30 is big
In 100m, the number of effectively connection signal transmitting and receiving module 20 is more than 2400.If monitoring the work shape of multiple fastener systems
State, the information that signal transmitting and receiving module 20 is recorded is except one kind in the acceleration measured including sensor, strain and displacement or many
Outside kind, in addition it is also necessary to the numbering (spring position) of spring where recording sensor signal.It can directly, accurately and rapidly find button
Part thrashing, directly points out invalid position；Further, in order to prevent the spring more renewed and monitoring system is still exactly
Abnormal situation is recorded as to the spring of the position, in addition it is also necessary to the record measurement date and time etc..In this case, operator is led to
Cross and compare time of measuring and replacing construction, be known that whether data also need to concern.
According to another aspect of the present utility model, the invention also discloses a kind of rail clip working state of system
Monitoring method, based on the measurement result of the Intelligent rail fastener system working condition real-time monitoring device, utilizes time domain, frequency
Domain analysis method obtains the variation characteristic of acceleration signal, displacement signal and strain signal, and the work of fastener system is judged with this
State specifically includes following steps there is provided early warning failure：
S1：Using monitoring device 1, fastening elastic rod Monitoring Data is obtained；
S2：The Monitoring Data is sent to data analysis processor 4 by data basestation 3；
S3：Data analysis processor 4 is analyzed Monitoring Data, according to fastener system changing features, judges spring work
Make state, it is determined that there is the spring of feature abnormalities, pre-warning signal is sent to terminal.
In a specific example, in acceleration, strain and displacement data of the Monitoring Data including spring at least
One of.
Further, when needing to monitor the working condition of multiple fastening elastic rods, the Monitoring Data also includes sensor
The numbering of spring where signal.
Yet further, the Monitoring Data also includes measurement date and time.
In a specific example, in step S3, data analysis processor 4 carries out analyzing further bag to Monitoring Data
Include：
S31：Suitable data block is chosen from data to be analyzed, wherein suitable data block refer to it is whole to be analyzed
Time-domain signal is macroscopical steady-state signal when train passes through；
S32：Signal Analysis temporal signatures, frequency domain, signal Analysis frequency domain character are transformed into by signal from time domain.Preferably,
The conversion is carried out using at least one Fast Fourier Transform (FFT) (FFT) and Short Time Fourier Transform (STFT).
Further, in step s 32, before signal Analysis temporal signatures, in addition to step S321：Signal is filtered
Ripple, deburring.Wherein, filtering carries out low pass, high pass or bandpass filtering behaviour to time-domain signal using Butterworth second order algorithms
Make.
Further, in step s 32, signal Analysis temporal signatures include step S322：Adding window and band are carried out to signal
Width is determined.
Further, in step s 32, signal Analysis frequency domain character includes step S323：Frequency discrimination is carried out to signal
Rate and frequency domain average mode are determined.Wherein, frequency resolution is generally no greater than 4Hz, and analytic band is wider than 3000Hz.
Further, for step S321-S323, operator can carry out parameter setting according to the specific features of signal.
In a specific example, in step s 32, different processing methods is used to different types of signal, including：
To acceleration signal, it is combined using time and frequency domain analysis, time-domain analysis obtains the amplitude of time domain upward peak, list
RMS value in the time of position, frequency-domain analysis obtains frequency in frequency domain where peak value, the RMS in frequency domain on RMS value and typical bandwidth
Value；
To strain signal, based on Time Domain Analysis, the time domain peak of strain signal is obtained, with reference to the rain of fatigue failure
Stream analysis method is predicted to the spring life-span；
To displacement signal, based on Time Domain Analysis, the time domain peak of displacement signal is obtained.
In a specific example, in step s3, fastener system changing features include：
A) on signal frequency domain feature change, including：
Acceleration and crest frequency f in displacement signal frequency domainmeasure-NChange；
Acceleration and peak amplitude A in displacement signal frequency domainmeasure-NChange；
In unit interval, acceleration, the RMS value of displacement；
N is the order of peak value in formula.
B) in signal time domain feature change, including：
In unit interval, acceleration, the RMS value of displacement；
The mutation of strain signal peak value.
Basic ideas of the present utility model are：Fastener system can be seen as to the system mould of one " input-system-output "
Type.Wherein, excitation when passing through for train is inputted；System is the dynamics of spring；Be output as measurable acceleration signal,
Displacement signal and strain signal.Spring dynamics and its spring mechanical features are closely related.Contain crackle, bullet inside spring
Bar, which installs situations such as loosening, can all make system performance change.In same input or after normalized, utilize
The change of the change, i.e. spring dynamics of system features is found in the change of output characteristic indirectly, further according to this change
Degree judge whether spring exception occurs, and provide early warning.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model extends out still in of the present utility model
The row of protection domain.
Claims (8)
1. a kind of rail clip working state of system real-time monitoring device, it is characterised in that including sensor assembly, including
For measuring the acceleration transducer of fastening elastic rod acceleration, the foil gauge for measuring fastening elastic rod strain and for surveying
Measure at least one in the displacement transducer of fastening elastic rod displacement；
Signal receiving module, including
Correspondingly, at least one in acceleration transducer adapter, foil gauge adapter and displacement transducer adapter；
Data acquisition unit；
Data storage；And
Data wireless transceiver,
Wherein acceleration transducer adapter is that acceleration transducer is powered and gathers the acceleration information from it；Foil gauge is fitted
Orchestration is that foil gauge is powered and gathers the strain data from it；Displacement transducer adapter is that displacement transducer is powered and gathered
Displacement data from it；Data acquisition unit collects the data from each adapter, and is stored in data storage, in real time
Sent by data wireless transceiver, so that analysis determines the working condition of the fastener system.
2. rail clip working state of system real-time monitoring device according to claim 1, it is characterised in that passed when described
When sensor module includes acceleration transducer, the monitoring device also includes sensor installation pedestal, sensing used in measurement
Device is directly installed on fastening elastic rod by sensor installation pedestal.
3. rail clip working state of system real-time monitoring device according to claim 1, it is characterised in that except accelerating
At least one degrees of data, strain data and displacement data are outer, and the signal receiving module also records the sensor measured
Signal where spring numbering.
4. rail clip working state of system real-time monitoring device according to claim 3, it is characterised in that the signal
Receiving module also records measurement date and time.
5. rail clip working state of system real-time monitoring device according to claim 1, it is characterised in that acceleration is passed
Sensor, which is installed such that, to be at least ensured that and can measure acceleration signal on fastening elastic rod vertical direction；Foil gauge is fixed on spring
On region of stress concentration；Displacement transducer is arranged on the position of the maximum vertical direction displacement of spring.
6. rail clip working state of system real-time monitoring device according to claim 1, it is characterised in that the data
Collector has two kinds of mode of operations of work and dormancy, when train will by when, the fastener bullet measured with acceleration transducer
One Time Domain Amplitude of bar vibration acceleration signal is triggering amount, and data acquisition unit enters mode of operation start recording data, non-work
Park mode is in the case of work.
7. rail clip working state of system real-time monitoring device according to claim 1, it is characterised in that
The acceleration transducer adapter is integrated into an acceleration signal acquisition function panel with the data acquisition unit, bears
Blame the collection of acceleration information；And/or
The foil gauge adapter is integrated into a strain signal acquisition function panel with the data acquisition unit, is responsible for dependent variable
According to collection；And/or
Institute's displacement sensors adapter is integrated into a displacement signal acquisition function panel with the data acquisition unit, is responsible for position
Move the collection of data.
8. a kind of rail clip working state of system real-time monitoring system, it is characterised in that including
Rail clip working state of system real-time monitoring device according to any one of claim 1-7；
Data basestation；
Data analysis processor；And
Terminal module,
Wherein the data of collection are sent to data basestation by data wireless transceiver, and data basestation is sent out data by dedicated network
Give data analysis processor to be analyzed, according to fastener system changing features, judge fastening elastic rod working condition, when detaining
When part spring working condition is abnormal, pre-warning signal is sent to terminal module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098469.2U CN206475888U (en) | 2017-01-26 | 2017-01-26 | Rail clip working state of system real-time monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098469.2U CN206475888U (en) | 2017-01-26 | 2017-01-26 | Rail clip working state of system real-time monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206475888U true CN206475888U (en) | 2017-09-08 |
Family
ID=59753649
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098469.2U Expired - Fee Related CN206475888U (en) | 2017-01-26 | 2017-01-26 | Rail clip working state of system real-time monitoring device and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458858A (en) * | 2017-12-04 | 2018-08-28 | 嘉兴博感科技有限公司 | A kind of train coupler arranged structural healthy monitoring system |
| CN108593233A (en) * | 2018-04-18 | 2018-09-28 | 西南交通大学 | Fatigue strength measuring apparatus and system |
| CN109520644A (en) * | 2018-11-13 | 2019-03-26 | 西南交通大学 | Elastic-strip pressure detection method and elastic-strip pressure detection device |
-
2017
- 2017-01-26 CN CN201720098469.2U patent/CN206475888U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458858A (en) * | 2017-12-04 | 2018-08-28 | 嘉兴博感科技有限公司 | A kind of train coupler arranged structural healthy monitoring system |
| CN108593233A (en) * | 2018-04-18 | 2018-09-28 | 西南交通大学 | Fatigue strength measuring apparatus and system |
| CN109520644A (en) * | 2018-11-13 | 2019-03-26 | 西南交通大学 | Elastic-strip pressure detection method and elastic-strip pressure detection device |
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