CN108749849A - A kind of wheel derailment method for early warning, apparatus and system - Google Patents
A kind of wheel derailment method for early warning, apparatus and system Download PDFInfo
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- CN108749849A CN108749849A CN201810569710.4A CN201810569710A CN108749849A CN 108749849 A CN108749849 A CN 108749849A CN 201810569710 A CN201810569710 A CN 201810569710A CN 108749849 A CN108749849 A CN 108749849A
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- 150000001875 compounds Chemical class 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 5
- 238000004080 punching Methods 0.000 description 7
- 230000010354 integration Effects 0.000 description 4
- 241001669679 Eleotris Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
- B61F9/005—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels by use of non-mechanical means, e.g. acoustic or electromagnetic devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
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- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Emergency Alarm Devices (AREA)
Abstract
This application discloses a kind of wheel derailment method for early warning, include the following steps：Obtain the vibration acceleration of wheel；Obtain the impact data of wheel；According to vibration acceleration, the amplitude data of wheel is obtained；If amplitude data is greater than or equal to the first amplitude preset value and impact data are greater than or equal to the first impact preset value, wheel derailment warning information is exported.Wheel derailment method for early warning provided by the invention need to only obtain vibration acceleration and impact data, can accurately carry out derailing early warning, whole process is reliable and stable, and the data acquisition facility used is few, at low cost, is easy to apply.
Description
Technical field
This application involves technical field of rail traffic, more particularly to a kind of wheel derailment method for early warning, apparatus and system.
Background technology
It is one of accident of most serious that derailment accident, which occurs, for train, and there are many patterns for the type that train derails, and draw
Rise train derailing the reason of it is considerably complicated, there is presently no one kind can meet simultaneously it is online, real-time, accurate, without fail to report, nothing
The effective means of wrong report.If in order to meet every signal value acquiring multiple signals and being judged by the threshold value of setting
Words, detection and data analysis are extremely complex, when a signal malfunctions, may result in and fail to report or report by mistake, and sometimes single
With the exceeded of signal value, it can not also judge whether that there is derailing risk.If setting excessive signal value to need while meeting
Condition just triggers early warning or alarm, then may some signal it is not up to standard and do not lead to have occurred risk not and alarm.
Therefore, a kind of wheel derailment method for early warning and system that can realize that high accuracy, reduction are failed to report and reported by mistake is designed, is
Those skilled in the art are badly in need of the technical issues of solving at present.
Invention content
The present invention provides a kind of wheel derailment method for early warning, for solving to exist in existing wheel derailment early warning scheme
Early warning result it is not accurate enough, there is technical issues that fail to report and.
In order to solve the above technical problems, the present invention provides a kind of wheel derailment method for early warning, include the following steps：
Obtain the vibration acceleration of wheel；
Obtain the impact data of wheel；
According to the vibration acceleration, the amplitude data of wheel is obtained；
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data are greater than or equal to the first punching
Preset value is hit, then exports wheel derailment warning information.
Preferably, further include following steps：
If the amplitude data is greater than or equal to the second amplitude preset value and the impact data are greater than or equal to the second punching
Preset value is hit, then exports wheel derailment warning message.
Preferably, the vibration acceleration is lateral vibration acceleration or Vertical Acceleration.
Preferably, the impact data for obtaining wheel are specially：
Resonance and demodulation processing is carried out to the vibration acceleration, obtains the impact data.
Preferably, described according to the vibration acceleration, the amplitude data for obtaining wheel is specially：
Quadratic integral calculating is carried out to the vibration acceleration, obtains the amplitude data.
Preferably, the output wheel derailment warning information is specially：
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data are greater than or equal to the first punching
Preset value is hit, then the primary internal derailing early warning of record, and probability statistics are carried out according to the internal derailing early warning, obtains probability system
Count result；
If the probability statistics result is more than the probability statistics preset value, wheel derailment warning information is exported.
The present invention also provides a kind of wheel derailment prior-warning devices, including：
Data acquisition module, the vibration acceleration for obtaining wheel and impact data；
Data processing module, for according to the vibration acceleration, obtaining the amplitude data of wheel；
Message output module, for according to the amplitude data, the impact data and the first amplitude preset value, the first punching
Preset value is hit, wheel condition information is exported；
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data are greater than or equal to the first punching
Preset value is hit, the wheel condition information is wheel derailment warning information.
Preferably, described information output module is additionally operable to according to the amplitude data, the impact data and the second amplitude
Preset value, the second impact preset value, export wheel condition information；
If the amplitude data is greater than or equal to the second amplitude preset value and the impact data are greater than or equal to the second punching
Preset value is hit, the wheel condition information is wheel derailment warning message.
The present invention also provides a kind of wheel derailment early warning systems, including any of the above-described wheel derailment prior-warning device, also wrap
It includes：
Compound sensor, the vibration acceleration for obtaining wheel and the impact data, and it is sent to the number
According to acquisition module.
Wheel derailment method for early warning provided by the present invention, the vibration acceleration by obtaining wheel obtain corresponding amplitude
Data, and obtain the impact data of wheel, when amplitude data and impact data transfer rate are all higher than respective first preset value, output
Wheel derailment warning information.This method need to only obtain vibration acceleration and impact data, according to vibration acceleration calculated amplitude number
According to, and early warning judgement can be completed after price amplitude data and impact data and the first preset value, reduce the vehicle of train
Wheel derailing early warning needs the parameter value detected, can accurately carry out derailing early warning, whole process is reliable and stable, and the number used
According to obtaining, equipment is few, at low cost, is easy to apply.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other drawings may also be obtained based on these drawings.
The flow diagram for the wheel derailment method for early warning that Fig. 1 is provided by the embodiment of the present invention；
The flow of the another embodiment for the wheel derailment method for early warning that Fig. 2 is provided by the embodiment of the present invention is illustrated
Figure；
The schematic diagram for the wheel derailment prior-warning device that Fig. 3 is provided by the embodiment of the present invention；
The schematic diagram for the wheel derailment early warning system that Fig. 4 is provided by the embodiment of the present invention.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
As shown in Figure 1, the embodiment of the invention discloses a kind of wheel derailment method for early warning, include the following steps：
S01. the vibration acceleration of wheel is obtained；
S02. the impact data of wheel are obtained；
S03. according to vibration acceleration, the amplitude data of wheel is obtained；
If S04. amplitude data is greater than or equal to the first amplitude preset value and impact data are greater than or equal to the first impact in advance
If value, then export wheel derailment warning information.
I.e. by obtain wheel vibration acceleration, obtain amplitude data, while and obtain impact data, work as amplitude data
More than or equal to the first amplitude preset value and impact data are more than or equal to the first impact preset value, then export wheel derailment early warning
Information.
For example, normal rounds and rail in horizontal direction, there are gaps, usually fixed, China railways are about gauge
With wheel pair relevant criterion be：
Gauge L=wheels take turns to width Q=1354mm, wheel rim standard width Q+ activity W, wherein gauge L=1435mm
Thickness W1=34mm, wheel rim minimum thickness W2=23mm.
Then, it can be calculated：Standard lateral interval M1=(1435-1354)/2-34=6.5mm, maximum transversal interval
M2=(1435-1354)/2-23=17.5mm.
If setting amplitude preset value is 17.5mm, i.e., when amplitude is more than 17.5mm, for theoretical, being can be rationally normal
Send out derailing early warning, but this judgment mode for only relying on lateral amplitude of vibration exists and greatly reports and fail to report risk by mistake.
For example, train driving is in corner, wheel is moved with the running orbit of train, and lateral amplitude of vibration at this time has super
The case where crossing amplitude preset value, can trigger early-warning conditions, export wheel derailment warning information, but in fact, train and vehicle at this time
Wheel is normal condition, no derailing risk causes wrong report.
For another example, the thickness of wheel rim takes turns edge value due to wear factor, is constantly becoming smaller, for newly taking turns and old wheel, unified use
17.5mm is clearly improper, but accurately wheel edge value can not be obtained in real time daily, even if amplitude preset value is changed to most
The wheel edge value of nearly one-shot measurement, and combine and convert obtained permission lateral amplitude of vibration interval, it can not also carry out accurately derailing pre-
It is alert, it easily causes and fails to report.
And if carrying out early warning judgement only with vertical amplitude, similarly, lateral amplitude of vibration is only relied upon there is also such as above-mentioned
Similar problems the wheel of normally travel can be caused to occur more than the vertical amplitude of pre-value, be easy to make such as the fluctuating of track ground
At reporting by mistake and fail to report.
Whether enter derailing early warning boundary in order to further determine wheel, data is impacted by acquisition, and judge number of strokes
Whether according to more than the first impact preset value, if it is, showing that bus or train route state reaches derailing early warning boundary, output wheel derailment is pre-
Alert information, this is because before wheel derails, if without vertical amplitude, only larger lateral amplitude of vibration, and occur compared with
Big impact, at this time corresponding impact illustrate that wheel rim squeezes track, and certainly, this extruding is likely to be normal, i.e., just
Often snake illustrates that wheel exists and climbs rail risk, be no longer normally to crawl but if lateral displacement at this time is more than preset value,
For another example, in the event of larger vertical deviation, if using the wheel center vertical position of normally travel as zero, vertical deviation
For positive number, indicates that wheel rises to above track, derailing early warning can't be sent out at this time, but if vertical deviation is negative, table
Show that wheel drops to below track, and detect to large impact, then shows that wheel has derailed, and hit sleeper, spring or ground
Base.
Further include following steps as shown in Fig. 2, in a kind of preferred embodiment of the present embodiment：
If S05. amplitude data is greater than or equal to the second amplitude preset value and impact data are greater than or equal to the second impact in advance
If value, then export wheel derailment warning message.
Wheel can generally fall first after derailing hits sleeper, spring or ground, this to hit since wheel is metal
The impact force hit is huge, if transducer range is arranged it is larger, such as 100000sv, when the impact data detected are more than
Certain thresholding, such as 60000sv then can be shown that huge shock occurs for wheel, and this shock can only be derailing, because of other portions of wheel
The failure of part or the barrier on track, are not up to this impact strength, therefore, can set thresholding to the second impact and preset
Value, equally, the second amplitude preset value can also be arranged in amplitude, if amplitude data is greater than or equal to the second amplitude preset value and impact
Data are greater than or equal to the second impact preset value, then export wheel derailment warning message.
Output wheel derailment warning information or the display mode of wheel derailment warning message have very much, such as unlatching warning light,
Prompt tone etc. is sent out, those skilled in the art can select according to practical application situation, herein without specifically limiting
It is fixed.
In a kind of preferred embodiment of the present embodiment, vibration acceleration be lateral vibration acceleration or Vertical Acceleration,
Corresponding, amplitude data is lateral amplitude of vibration or vertical amplitude, is such as analyzed before this, amplitude data can accelerate according to oscillation crosswise
Degree or Vertical Acceleration obtain.
It is described according to the vibration acceleration, the vertical amplitude data for obtaining wheel is specially：According to the vertical vibration
Acceleration obtains the vertical amplitude data of wheel.
It is described obtain wheel impact data be specially：According to first lateral vibration acceleration, the institute of wheel is obtained
State lateral amplitude of vibration data；
The vibration acceleration by acquisition referred in the above method obtains amplitude data and impact data, can first obtain
It takes impact data to obtain amplitude data again, can also first obtain amplitude data and obtain impact data again, can also obtain simultaneously
Vibration acceleration can be the corresponding vibration acceleration of different time then first have impact for example, for Vertical Acceleration
Data are more than impact preset value, then recognize amplitude data and be more than amplitude preset value, then can be with and for lateral vibration acceleration
First there is lateral amplitude of vibration to be more than amplitude preset value, then there are impact data to be more than impact preset value, can also occur simultaneously, different derailings
Pattern corresponds to different sequential, the impact information that wheel rim is generated with track squeeze track, should after there is big lateral amplitude of vibration,
For another example, wheel hits the impact information of sleeper, spring or ground, also should be after there is big vertical amplitude, but wheel rim and rail
Before road squeezes the inevitable vertical amplitude big in appearance of impact information that track generates, certainly, the time delay that signal transmits is considered,
May exist simultaneously detection to the case where.
In a kind of preferred embodiment of the present embodiment, the impact data for obtaining wheel are specially：
Resonance and demodulation processing is carried out to vibration acceleration, obtains impact data, the specific implementation of the resonance and demodulation processing
Method can refer to the Chinese patent of the applicant：200910056925.7 being not repeated herein.
In a kind of preferred embodiment of the present embodiment, according to vibration acceleration, the amplitude data for obtaining wheel is specially：
Quadratic integral calculating is carried out to vibration acceleration, obtains amplitude data.
In practice, integrated to the quadratic integral of lateral amplitude of vibration, acceleration a and position using from lateral vibration acceleration
It moves x and meets calculous relation：X (t)=∫ ∫ a (t) dt, common to handle there are two types of integral means, time-domain integration and Frequency Domain Integration,
Selection handles above-mentioned quadratic integral using Frequency Domain Integration in the present embodiment, it is of course also possible to according to other needs, selection uses
The mode of time-domain integration.
In a kind of preferred embodiment of the present embodiment, if amplitude data is greater than or equal to the first amplitude preset value and impact data
More than or equal to the first impact preset value, then primary internal derailing early warning is recorded, and probability system is carried out according to internal derailing early warning
Meter, obtains probability statistics result；
If probability statistics result is more than probability statistics preset value, wheel derailment warning information is exported.
Primary derailing risk can't be exported externally immediately, it is also necessary to probability statistics be carried out, although for example, having occurred larger
Amplitude data then show risk of not derailing but if subsequent time amplitude data is restored to normal condition.
For causing a certain moment amplitude data to change more than preset value because of extraneous factor, and in subsequent time train
Normal operation such case again, there is no need to execute early warning operation because of variation once in a while, therefore can be by a certain moment, amplitude
Data are greater than or equal to the first amplitude preset value and impact data are greater than or equal to the first impact preset value, are recorded as primary inside
Derailing early warning carries out probability statistics, when probability statistics result reaches some critical value according to the number for internal derailing early warning occur
When, then illustrate that not accidental extraneous factor leads to internal derailing early warning, train objective reality derailing risk.
It is appreciated that similar above-mentioned statistical have much count and send out the probability that internal derailing is alarmed, sentence
Whether disconnected probability is more than some preset value：Can also judge in preset time send inside derail alarm number whether be more than
Some preset value：Derailing alarm etc. inside preset quantity can also be judged whether to continuously receive, herein not to specific real
The mode of applying carries out definitions relevant, as long as the wrong report that the one-sidedness of single alarm mode is brought can be avoided.
As shown in figure 3, the present embodiment also discloses a kind of wheel derailment prior-warning device, including：
Data acquisition module, the vibration acceleration for obtaining wheel and impact data；
Data processing module, for according to vibration acceleration, obtaining the amplitude data of wheel；
Message output module, for default according to amplitude data, impact data and the first amplitude preset value, the first impact
Value exports wheel condition information；
If amplitude data is greater than or equal to the first amplitude preset value and impact data are greater than or equal to the first impact preset value,
Wheel condition information is wheel derailment warning information.
Data acquisition module 1 obtains the vibration acceleration and impact data of wheel, and by the vibration acceleration of acquisition and punching
It hits data and is sent to data processing module 2, after data processing module 2 receives vibration acceleration and impact data, to vibration acceleration
Degree is handled or is calculated, and obtains the amplitude data of wheel, and amplitude data and impact data are sent to message output module
3, it is after message output module 3 receives amplitude data and impact data, the two is pre- with the first amplitude preset value, the first impact respectively
If value compares.
If amplitude data is greater than or equal to the first amplitude preset value and impact data are greater than or equal to the first impact preset value,
Message output module 3 exports wheel derailment warning information.
In the one of which embodiment of the wheel derailment prior-warning device of the present embodiment, message output module, be additionally operable to according to
According to amplitude data, impact data and the second amplitude preset value, the second impact preset value, wheel condition information is exported；
If amplitude data is greater than or equal to the second amplitude preset value and impact data are greater than or equal to the second impact preset value,
Wheel condition information is wheel derailment warning message.
Even amplitude data is greater than or equal to the second amplitude preset value and impact data are greater than or equal to the second impact and preset
Value, message output module 3 export wheel derailment warning information.
As shown in figure 4, the present embodiment also discloses a kind of wheel derailment early warning system, including above-mentioned wheel derailment early warning
Device further includes：
Compound sensor 4, the vibration acceleration for obtaining wheel and impact data, and it is sent to data acquisition module 3.
Compound sensor 4 may be mounted at other positions under the springs such as framework, gear-box, certainly, in order to obtain best effect
Compound sensor 4 can be mounted in two end axles bearing by fruit.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little factors, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.Under the situation not limited more, the element limited by sentence "including a ..." is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (8)
1. a kind of wheel derailment method for early warning, which is characterized in that include the following steps：
Obtain the vibration acceleration of wheel；
Obtain the impact data of wheel；
According to the vibration acceleration, the amplitude data of wheel is obtained；
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data are greater than or equal to the first impact in advance
If value, then export wheel derailment warning information.
2. wheel derailment method for early warning according to claim 1, which is characterized in that further include following steps：
If the amplitude data is greater than or equal to the second amplitude preset value and the impact data are greater than or equal to the second impact in advance
If value, then export wheel derailment warning message.
3. wheel derailment method for early warning according to claim 1, which is characterized in that the vibration acceleration is oscillation crosswise
Acceleration or Vertical Acceleration.
4. wheel derailment method for early warning according to claim 1, which is characterized in that it is described according to the vibration acceleration,
Obtain wheel amplitude data be specially：
Quadratic integral calculating is carried out to the vibration acceleration, obtains the amplitude data.
5. wheel derailment method for early warning according to claim 1, which is characterized in that the output wheel derailment warning information
Specially：
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data more than or equal to described the
One impact preset value then records primary internal derailing early warning, and carries out probability statistics according to the internal derailing early warning, obtains generally
Rate statistical result；
If the probability statistics result is more than the probability statistics preset value, wheel derailment warning information is exported.
6. a kind of wheel derailment prior-warning device, which is characterized in that including：
Data acquisition module, the vibration acceleration for obtaining wheel and impact data；
Data processing module, for according to the vibration acceleration, obtaining the amplitude data of wheel；
Message output module, for pre- according to the amplitude data, the impact data and the first amplitude preset value, the first impact
If value exports wheel condition information；
If the amplitude data is greater than or equal to the first amplitude preset value and the impact data are greater than or equal to the first impact in advance
If value, the wheel condition information is wheel derailment warning information.
7. wheel derailment prior-warning device according to claim 6, which is characterized in that
Described information output module is additionally operable to according to the amplitude data, the impact data and the second amplitude preset value, second
Preset value is impacted, wheel condition information is exported；
If the amplitude data is greater than or equal to the second amplitude preset value and the impact data are greater than or equal to the second impact in advance
If value, the wheel condition information is wheel derailment warning message.
8. a kind of wheel derailment early warning system includes the wheel derailment prior-warning device as described in claim 6 or claim 7,
It is characterized in that, further including：
Compound sensor, the vibration acceleration for obtaining wheel and the impact data, and be sent to the data and obtain
Modulus block.
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| CN201810569710.4A CN108749849B (en) | 2018-06-05 | 2018-06-05 | Wheel derailment early warning method, device and system |
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| CN201810569710.4A CN108749849B (en) | 2018-06-05 | 2018-06-05 | Wheel derailment early warning method, device and system |
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| CN113343811A (en) * | 2021-05-28 | 2021-09-03 | 北京锦鸿希电信息技术股份有限公司 | Method, device, equipment, medium and product for judging train derailment |
| CN113671862A (en) * | 2021-06-30 | 2021-11-19 | 云南昆钢电子信息科技有限公司 | System and method applied to underground mine rail transport electric locomotive lane-dropping prediction |
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| CN114368411A (en) * | 2022-03-22 | 2022-04-19 | 西南交通大学 | Monitoring and early warning method and device for train derailment safety |
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