CN201575927U - Bogie condition monitoring device - Google Patents

Bogie condition monitoring device Download PDF

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Publication number
CN201575927U
CN201575927U CN2009203508284U CN200920350828U CN201575927U CN 201575927 U CN201575927 U CN 201575927U CN 2009203508284 U CN2009203508284 U CN 2009203508284U CN 200920350828 U CN200920350828 U CN 200920350828U CN 201575927 U CN201575927 U CN 201575927U
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CN
China
Prior art keywords
bogie
compartment
vibration values
train
temperature value
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CN2009203508284U
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Chinese (zh)
Inventor
刘峰
董孝卿
延九磊
赵玉其
戴津
Original Assignee
中国铁道科学研究院机车车辆研究所
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Priority to CN2009203508284U priority Critical patent/CN201575927U/en
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Publication of CN201575927U publication Critical patent/CN201575927U/en

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Abstract

The utility model provides a bogie condition monitoring device, which comprises a bogie condition absolute judging device and a bogie condition relative judging device, wherein the bogie condition absolute judging device is utilized in the condition that in view of characteristic values with explicit absolute boundary values, the absolute judging principle is adopted, and the characteristic values of the bogies of each section of compartments are compared and judged so as to master the temperature variation or the vibration variation of the bogies of the compartments; the bogie condition relative judging device is utilized in the condition that in view of characteristic values with boundary values hard to be defined, the relative judging principle is adopted, and the characteristic values of all the bogies of the identical train and the characteristic value history data of the identical bogies are compared, so as to judge the bogie with the poorer mechanical property. The device provided by the utility model can visually and effectively analyzes the operation and vibration conditions of bogies and the variation trend of kinetics performance, so as to provide guidance for vehicle maintenance management.

Description

The bogie state monitoring apparatus
Technical field
The utility model relates to train bogie monitoring, relates in particular to a kind of absolute judge device of bogie state, passes judgment on device and bogie state monitoring apparatus relatively.
Background technology
In recent years, China greatly develops high-speed railway passenger traffic cause, and along with the scope of passenger train speed-raising is increasing, travelling speed is more and more higher, and the traffic safety problem in the railway transport of passengers is also more outstanding and important.
Bogie is the vitals of train, the weight of its direct bearing body guarantees safe train operation, passes through curve smoothly, the status monitoring of bogie is the emphasis monitoring target in the monitoring of passenger vehicle traffic safety always, and is significant to ensureing the passenger train traffic safety.But because the inner structure complicacy of bogie and the diversity of train operation environment have caused the dynamical system of bogie to vibrate the situation complexity, the technology of the status monitoring of bogie also exists difficult point, still prematurity at present.
The utility model content
It is a kind of based on the absolute judge device of bogie state and the bogie state monitoring apparatus of relative judge device, by the state of monitoring bogie, for the traffic safety in the railway transport of passengers provides safeguard that fundamental purpose of the present utility model is to provide.
Above-mentioned purpose of the present utility model is achieved by the following technical solution:
A kind of absolute judge device of bogie state, described device comprises:
Acquiring unit is used to obtain the status information of the bogie in a joint compartment, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Comparing unit is used for the temperature value and the vibration values of described each position are compared with the temperature threshold and the vibration threshold of predefined each position;
Alarm unit, when being used for temperature value and exceeding the temperature threshold of predefined each position in described each position, when perhaps the vibration values of described each position exceeds predefined vibration threshold, generate the temperature alarming information or the vibration alarming information of each position.
A kind of relative judge device of bogie state, described device comprises:
Receiving element is used to receive the status information of bogie in all compartments of a train, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Horizontal contrast unit is used for the temperature value of the correspondence position of the bogie that respectively saves the compartment of described train is compared, and generates the temperature value comparing result that respectively saves the compartment; And the vibration values that respectively saves the compartment of described train compared, generate the vibration values comparing result that respectively saves the compartment;
Vertical contrast unit is used for the vibration values of each position of the bogie in each compartment of described train and the historical data in this compartment are compared, and generates the vibration values comparing result in each compartment.
A kind of bogie state monitoring apparatus, described device comprise absolute judge device and relative judge device, wherein:
Described absolute judge device is used for the state of bogie to a joint compartment and compares and judge that this is definitely passed judgment on device and comprises:
Acquiring unit is used to obtain the status information of the bogie in a joint compartment, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Comparing unit is used for the temperature value and the vibration values of described each position are compared with the temperature threshold and the vibration threshold of predefined each position;
Alarm unit, when being used for temperature value and exceeding the temperature threshold of predefined each position in described each position, when perhaps the vibration values of described each position exceeds predefined vibration threshold, generate the temperature alarming information or the vibration alarming information of each position;
Described relative judge device is used for state to the bogie in all compartments of a train and compares and judge that this is passed judgment on device relatively and comprises:
Receiving element is used to receive the status information of bogie in all compartments of a train, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Horizontal contrast unit is used for the temperature value of the correspondence position of the bogie that respectively saves the compartment of described train is compared, and generates the temperature value comparing result that respectively saves the compartment; And the vibration values that respectively saves the compartment of described train compared, generate the vibration values comparing result that respectively saves the compartment;
Vertical contrast unit is used for the vibration values of each position of the bogie in each compartment of described train and the historical data in this compartment are compared, and generates the vibration values comparing result in each compartment.
The device that provides by the utility model, adopt absolute the judge and relative evaluation method combination, performance to bogie adopts permutation car laterally contrast and the historical mode that contrasts its vibrational state parameter of bicycle, vibration situation and the changes of properties trend of effectively analyzing the bogie operation directly perceived, for the vehicle maintenance management provides guidance, guaranteed the security of operation of speed-raising passenger vehicle.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the composition frame chart of absolute judge device of the bogie state of the utility model embodiment;
Fig. 2 is the composition frame chart of relative judge device of the bogie state of the utility model embodiment;
Fig. 3 is the composition frame chart of the bogie state monitoring apparatus of the utility model embodiment;
Fig. 4 is the application synoptic diagram of the bogie state monitoring apparatus of the utility model embodiment;
Fig. 5 A is the system according to the utility model embodiment, the vertical stationarity value contrast histogram of the permutation car vehicle of acquisition;
Fig. 5 B is the system according to the utility model embodiment, the historical contrast of the vertical stationarity value histogram of the bicycle vehicle of acquisition.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer, below in conjunction with embodiment and accompanying drawing, embodiment is described in further details to the utility model.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.
The composition frame chart of the absolute judge device of a kind of bogie state that Fig. 1 provides for the utility model embodiment, this device can be applied to the compartment level main frame of train, please refer to Fig. 1, this device mainly comprises: acquiring unit 11, comparing unit 12 and alarm unit 13, wherein:
Acquiring unit 11 is used to obtain the status information of the bogie in a joint compartment, and the status information of described bogie comprises the vibration values by a plurality of positions of the temperature value of a plurality of positions of the described bogie of sensor acquisition and described bogie.
In the present embodiment, can realize collection by sensor installation on each position of bogie, to obtain the status information of bogie to the state parameter of bogie.
For example, 4 sensors can be set on the axle box of bogie, with temperature, the acceleration of monitoring axle box; 2 sensors can be set, with temperature, the acceleration of monitoring gear on the gear case of bogie; 2 sensors can be set, with the acceleration of monitoring framework in the framework side of bogie; 2 sensors can be set, with the monitoring car body acceleration at the hull bottom plate of bogie; 1 sensor can be set, with the ring temperature of monitoring terminal box in the terminal box of bogie.Below just illustrate, present embodiment not with this as restriction.
In the present embodiment, the temperature value in the bogie status information can directly record by temperature sensor; Vibration values in the bogie status information can obtain by the accekeration that acceleration transducer records.
In the present embodiment, a joint compartment has former and later two bogies, and by the eigenwert of sensor to each position of bogie, for example collection of temperature value and vibration values obtains the status information of this bogie.
According to an embodiment of present embodiment, this acquiring unit 11 can comprise:
The signal condition module, be used for described sensor acquisition to the original signal of status information of bogie convert the standard signal that described device can be discerned to.
In the present embodiment, it can be to convert original signal to standard signal that this absolute judge device can be discerned by removing operations such as interfering noise signal, amplification, filtering that original signal is carried out signal condition, the process of signal condition is same as the prior art, does not repeat them here.
According to the another one embodiment of present embodiment, this acquiring unit 11 can also comprise:
The signal characteristic extraction module is used for the signal after the conditioning of signal condition module is carried out feature extraction.
In the present embodiment, signal is carried out feature extraction and be meant that this absolute operating system CPU that passes judgment on device with some algorithm operation transform of original signal process of gathering, is more had the parameter of break-up value etc.The process of concrete signal feature extraction is also same as the prior art, does not repeat them here.
Comparing unit 12 is used for the temperature value and the vibration values of described each position are compared with the temperature threshold and the vibration threshold of predefined each position.
In the present embodiment, according to existing standard, bogie dynamic property partial parameters clearly has absolute boundary value, can judge according to the state parameter of bogie in the train travelling process whether the dynamic performance of bogie changes with these boundary values as threshold value.For example, with these boundary values as according to setting in advance the temperature threshold of each position of bogie, and the vibration threshold of bogie, when sensor acquisition to the corresponding parameter of bogie when exceeding predetermined threshold value, think that then bogie is unusual.
Alarm unit 13, when being used for temperature value and exceeding the temperature threshold of predefined each position in described each position, when perhaps the vibration values of described each position exceeds predefined vibration threshold, generate the temperature alarming information or the vibration alarming information of each position.
In the present embodiment, when comparative result, when certain parameter of finding bogie exceeds threshold value, also be bogie when unusual according to comparing unit 12, then generate corresponding warning message, with prompting operation person.
In the present embodiment, this warning message can be by blinking red lamp or buzzing or both in conjunction with representing, but present embodiment not with this as restriction.
According to an embodiment of present embodiment, the absolute judge device of this bogie state can also comprise:
Display unit 14 is used for showing in real time the temperature value of a plurality of positions of the described bogie that described acquiring unit 11 gets access to and the warning message that described alarm unit generates.
In the present embodiment, this device can be applied to compartment level main frame, real time temperatures such as the transverse vibration curve of the framework when compartment level main frame is provided with display and reports to the police with real-time demonstration bogie and the axle box of bogie, gear case.
According to the another one embodiment of present embodiment, the absolute judge device of this bogie state can also comprise:
Storage unit 15 is used to store the vibration values and or the warning message that generates of described alarm unit 13 of a plurality of positions of the temperature value of a plurality of positions of the described bogie that described acquiring unit 11 gets access to and described bogie.
In the present embodiment, this storage unit 15 can realize the lateral stability data of omnidistance storage bogie, and axle box, the gear case equitemperature data of omnidistance storage bogie.The whole process here is meant the whole distance of train operation.Below just illustrate, present embodiment not with this as restriction.
In the present embodiment, this storage unit 15 can also be used for store alarms information, raw data when the warning message here can be included in the horizontal unstability of bogie, for example raw data of the data of the axle box of bogie, gear case, framework, car body in the unstability process.Below just illustrate, present embodiment not with this as restriction.
According to the another one embodiment of present embodiment, the absolute judge device of this bogie state can also comprise:
Transmission unit 16, be used for the vibration values of the temperature value of a plurality of positions of the described bogie of described storage unit 15 storages and described bogie and or described warning message transfer out.
In the present embodiment, when this device was applied to compartment level main frame, this transmission unit 16 can be given train level main frame with the status information transmission of the bogie in this compartment; When this device is applied to train level main frame, it also is the function that train level main frame has been integrated compartment level main frame, this transmission unit 16 can be given the Ground analysis subsystem with the status information transmission of the bogie in all compartments, above-mentionedly just illustrate, present embodiment not with this as restriction.
Wherein, compartment level main frame can link to each other by train level network with train level main frame, and train level main frame can link to each other by wired or wireless network with the Ground analysis subsystem, with the transmission data, present embodiment not with this as restriction.
The absolute judge device of the bogie state by present embodiment, the eigenwert that has clearly had absolute boundary value for bogie dynamic property partial parameters, adopt the absolute principle of passing judgment on to carry out the judgement of bogie performance, obtain this eigenwert of the bogie in compartment in real time, by with the comparison of its boundary value, grasp the situation of change of this eigenwert of the bogie in this compartment.
The relative judge device of a kind of bogie state that Fig. 2 provides for present embodiment, this device can be applied to the Ground analysis subsystem of train, please refer to Fig. 2, this device mainly comprises: receiving element 21, laterally contrast unit 22 and vertically contrast unit 23, wherein:
Receiving element 21 is used to receive the status information of bogie in all compartments of a train, and the status information of described bogie comprises the vibration values by a plurality of positions of the temperature value of a plurality of positions of the described bogie of sensor acquisition and described bogie.
In the present embodiment, this receiving element 21 is used to receive the status information of bogie of the transmission of train level main frame, so that the state of the bogie that train level main frame is gathered is passed judgment on relatively.
In the present embodiment, this receiving element 21 can also be used to receive the warning message of the transmission of train level main frame, this warning message can be that the alarm unit of this train level main frame generates, the alarm unit that also can be the compartment level main frame under this train level main frame generates, present embodiment not with this as restriction.
Horizontal contrast unit 22 is used for the temperature value of the correspondence position of the bogie that respectively saves the compartment of described train is compared, and generates the temperature value comparing result that respectively saves the compartment; And the vibration values that respectively saves the compartment of described train compared, generate the vibration values comparing result that respectively saves the compartment.
In the present embodiment, this laterally contrasts the temperature value of diverse location that unit 22 is used to contrast the bogie that respectively saves the compartment of a permutation car, and the vibration values that respectively saves the compartment, generates comparing result.For example the temperature value with the position 1 of the bogie of the compartment 1~n compartment number of this train (n for) compares, and obtains a comparison diagram; Vibration values compares, and obtains a comparison diagram, and the rest may be inferred.This is that to have two bogies be example every joint compartment with this train for example, but present embodiment not with this as restriction.
Vertical contrast unit 23 is used for the vibration values of each position of the bogie in each compartment of described train and the historical data in this compartment are compared, and generates the vibration values comparing result in each compartment.
In the present embodiment, this vertically contrasts unit 23 and is used for each the joint historical data in compartment of a permutation car and the data of this operation are compared, and generates the historical comparing result in this joint compartment.The historical data here is meant this state information value of joint compartment in operational process in the past, and each vibration performance value of the bogie in this compartment each date operational process before this date for example is as cross-car vibration values, framework vertical vibration value etc.The vibration performance value of the bogie in this compartment in these data and this operational process is compared, obtain the comparing result of the vibration values in this compartment.
According to an embodiment of present embodiment, the relative judge device of this bogie state can also comprise:
Display unit 24 is used to show and describedly respectively saves the temperature value comparing result in compartment, respectively saves the vibration values comparing result in compartment and the historical comparing result of vibration values in described each compartment.
In the present embodiment, this display unit 24 can show the temperature value contrast situation that respectively saves the compartment of permutation car and the contrast situation that respectively saves the vibration values in compartment, the history contrast situation that can also show the vibration values in each joint compartment, with the whole process that realizes temperature data check, playback, comparative analysis etc., and the whole process of vibration data is checked, playback, comparative analysis etc.
In the present embodiment, if the original data transmissions of train level main frame during with the horizontal unstability of bogie given the relative judge device of the bogie state of present embodiment, then the display unit 24 of present embodiment can also show this raw data, with the real-time raw data that realizes temperature, abnormal vibration alert data check, playback etc.
According to the another one embodiment of present embodiment, the relative judge device of this bogie state can also comprise:
Storage unit 25 is used to store the temperature value of a plurality of positions of bogie in all compartments of the described train that described receiving element 21 receives and the vibration values and the warning message of described bogie.
In the present embodiment, this storage unit 25 can also be stored the comparing result of horizontal contrast unit 22 and vertical contrast unit 23.
The above-mentioned composition of the relative judge device of the bogie state by present embodiment, can carry out following processing procedure:
Collect full row bogie vibration signal;
Press license number average statistical, variance;
Make the frequency domain distribution of each parameter;
Make the velocity distribution of each parameter;
Distribute the weight of each parameter according to priori to concrete vehicle trouble influence;
Use the GMM algorithm to carry out fault diagnosis;
Diagnostic result is listed as comprehensive contrast entirely;
Diagnostic result carries out the historical contrast of bicycle;
Use progressively corrected parameter weight of self-learning algorithm;
The malfunction of reporting vehicle.
Below just illustrate, present embodiment not with this as restriction.
The relative judge device of the bogie state by present embodiment, the state parameter of the bogie that is difficult to define for boundary value, also be the dynamic property statistical characteristics, take the principle of judge relatively, each bogie eigenwert that same train is respectively saved the compartment compares, same bogie eigenwert historical data is compared, judge bogie primary, whether empty spring takes turns unusual to state, whether need to pay close attention to etc., to pass judgment on out the dynamic performance chump.
The composition frame chart of a kind of bogie state monitoring apparatus that Fig. 3 provides for present embodiment please refer to Fig. 3, and this bogie state monitoring apparatus comprises: definitely pass judgment on device 31 and relative judge device 32, wherein:
The absolute device 31 of passing judgment on can be realized by the absolute judge device of bogie state embodiment illustrated in fig. 1, because in the embodiment shown in fig. 1, this absolute device of passing judgment on is had been described in detail, and does not repeat them here.
Passing judgment on device 32 relatively can realize by the relative judge device of bogie state embodiment illustrated in fig. 2, owing in embodiment illustrated in fig. 2, this passed judgment on device relatively and have been described in detail, does not repeat them here.
In the present embodiment, definitely pass judgment on device 31 and can be connected by wired or wireless mode with the relative device 32 of passing judgment on, wherein: wired mode comprises USB connection, the connection of CAN network or Ethernet connection etc.; Wireless mode comprises wlan network connection, GPRS network connection etc., present embodiment not with this as restriction.
An embodiment according to present embodiment, the absolute device 31 of passing judgment on is realized by compartment level main frame, passing judgment on device 32 relatively realizes by the Ground analysis subsystem, then in this embodiment, the absolute device 31 of passing judgment on links to each other by compartment level network with train level main frame, and train level main frame links to each other by wired or wireless mode with relative judge device 32, and the wired or wireless connected mode of for example introducing does not previously repeat them here.
Another one embodiment according to present embodiment, the absolute device 31 of passing judgment on is realized by the compartment level main frame of having integrated train level main frame, passing judgment on device 32 relatively realizes by the Ground analysis subsystem, then in the present embodiment mode, the absolute device 31 of passing judgment on links to each other by wired or wireless mode with the relative device 32 of passing judgment on, the wired or wireless connected mode of for example introducing does not previously repeat them here.
The bogie state monitoring apparatus of present embodiment, can carry out the multifactorial evaluation diagnosis to the state parameter of train bogie by absolute judge and the relative mode combine passed judgment on, make the bogie vibration parameters laterally contrast by the permutation car and the historical mode of comparing of bicycle, effectively analysis and judgment directly perceived goes out dynamic performance chump or the dynamic performance person that has the degradating trend, is convenient to instruct upkeep operation.
Fig. 4 is applied to train for the bogie state monitoring apparatus of present embodiment, application synoptic diagram to the bogie monitoring running state of train, for the bogie state monitoring apparatus that makes present embodiment is known understandable more, be elaborated below in conjunction with the bogie state monitoring apparatus of this application synoptic diagram to present embodiment, please refer to Fig. 4, wherein:
Sensor unit 41 is coupled with the bogie of train, is used for the status information of gathering described bogie in real time.
In the present embodiment, this sensor unit 41 comprises many group sensors, each group sensor comprises a plurality of sensors, a plurality of sensors of each group sensor are arranged on a plurality of positions of each bogie, so that monitor the state of each locational character pair of this bogie respectively, obtain each feature characteristic of correspondence value.
For example, 4 sensors can be set on the axle box of bogie, with temperature, the acceleration of monitoring axle box; 2 sensors can be set, with temperature, the acceleration of monitoring gear on the gear case of bogie; 2 sensors can be set, with the acceleration of monitoring framework in the framework side of bogie; 2 sensors can be set, with the monitoring car body acceleration at the hull bottom plate of bogie; 1 sensor can be set, with the ring temperature of monitoring terminal box in the terminal box of bogie.Below just illustrate, present embodiment not with this as restriction.A plurality of sensors that present embodiment will be arranged on the bogie are considered as one group of sensor, in the present embodiment, suppose the corresponding joint compartment of per two bogies, and a train comprises the more piece compartment, therefore, the sensor unit 41 of present embodiment comprises many group sensors.
Main computer unit 42 links to each other by compartment level network with described sensor unit 41, is used to obtain the status information of the described bogie that described sensor unit 41 gathers.
In the present embodiment, one train is provided with a train level main frame and a plurality of compartments level main frame, this compartment level main frame be arranged at respectively a train each the joint compartment power distribution cabinet in, train level main frame can be arranged in the power distribution cabinet in slip-stick artist compartment, and this train level main frame can be incorporated into together with the compartment level main frame in this project teacher compartment.Each compartment level main frame links to each other with two sensors, the status information of these two bogies that real-time monitor with the two sensors that obtains a plurality of positions on two bogies that are arranged at this compartment.Below just illustrate, present embodiment not with this as restriction.
The absolute judge device (as shown in Figure 1) of present embodiment can be realized by compartment level main frame, not repeat them here.
In the present embodiment, each compartment level main frame can link to each other by compartment level network with two sensors, but present embodiment does not limit the type of compartment level network.
In the present embodiment, compartment level main frame can provide USB interface, to download predetermined amount of time, for example raw data of the status information of 48 hours bogie.
In the present embodiment, train level main frame can dispose display, link to each other by train level network with a plurality of compartments level main frame, the status information that is used for bogie that described a plurality of compartments level main frame is obtained gathers and shows that present embodiment does not limit the type of train level network.
In the present embodiment, a plurality of eigenwerts have been comprised in the status information of bogie, for example axle box temperature, axle box speed, framework transverse acceleration, framework vertical acceleration, values of lateral, car body vertical acceleration, ring temperature etc.
In the present embodiment,, therefore, can on time shaft, show each eigenwert by curve or histogrammic form because sensor is a status information of monitoring and transmit this bogie in real time, but present embodiment not with this as restriction.
In the present embodiment, this train level main frame can provide some download interface, so that the status information of bogie of storage is downloaded to get off to offer analytic unit 43 and carry out the secondary diagnosis.Wherein, download interface can be wireline interfaces such as USB, also can be wave points such as GPRS, WLAN, present embodiment not with this as restriction.
Analytic unit 43 is used for the status information of the bogie of information that described train level main frame is gathered and storage inside, also is that historical data compares and analyzes, and obtains the state analysis result of described bogie.
In the present embodiment, the information that gathers of train level main frame promptly comprises each eigenwert of each bogie.Because in a long process of train operation, the state of its bogie, dynamic performance may change, and this variation may suddenly change, it also may be gradual change, therefore, sensor unit 41 by present embodiment, compartment level main frame, the value of the status information of the bogie that train level main frame obtains in the operational process of different time, the historical data of carrying out in the time phase compares, can analyze the variation tendency of each eigenwert more intuitively, the analytic unit 43 of present embodiment is preserved the historic state information of each bogie get off, with the foundation as the operating position of judging bogie.
The relative judge device (as shown in Figure 2) of present embodiment can be realized by analytic unit 43, not repeat them here.
Fig. 5 A contrasts histogram for the vertical stationarity value of the permutation car vehicle that the bogie condition monitoring system that provides according to present embodiment obtains, horizontal ordinate is a coach number, represent former and later two bogies (being called an end two ends) in every joint compartment of train, ordinate is the vertical stationarity eigenwert of bogie.Fig. 5 B contrasts histogram for the vertical stationarity value history of the bicycle vehicle that the bogie condition monitoring system that provides according to present embodiment obtains, horizontal ordinate is the date, representative is at former and later two bogies in the same compartment of same date (being called an end two ends) not, and ordinate is represented the vertical stationarity eigenwert of single-unit wagon bogies.According to Fig. 5 A and Fig. 5 B more as can be known, by the bogie condition monitoring system that present embodiment provides, can get information about the historical variations contrast of the vertical stationarity value of vehicle in the lateral comparison of the vertical stationarity value of vehicle of permutation train and single-unit compartment.
Because bogie has complicated dynamical system structure, its vibrational state performance and not direct correlation of localization of fault, the train operation circuit is different with environment, and also performance has certain influence to the bogie vibrational state, is difficult at present only judge with uniform parameter limit value whether the dynamic performance of bogie worsens.And the bogie dynamic performance goes wrong often the process of a gradual change, is along with the Train Schedule process reveals gradually.The bogie condition monitoring system that present embodiment provides can adopt relative judge and two kinds of methods of absolute judge to come the state of bogie is carried out the comprehensive evaluating diagnosis.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the above only is a specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (11)

1. the absolute judge device of a bogie state is characterized in that described device comprises:
Acquiring unit is used to obtain the status information of the bogie in a joint compartment, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Comparing unit is used for the temperature value and the vibration values of described each position are compared with the temperature threshold and the vibration threshold of predefined each position;
Alarm unit, when being used for temperature value and exceeding the temperature threshold of predefined each position in described each position, when perhaps the vibration values of described each position exceeds predefined vibration threshold, generate the temperature alarming information or the vibration alarming information of each position.
2. device according to claim 1 is characterized in that, described acquiring unit comprises:
The signal condition module, be used for removing described sensor acquisition to the interfering noise signal of original signal of status information of bogie, convert the standard signal that described device can be discerned to.
3. device according to claim 2 is characterized in that, described device also comprises:
The signal characteristic extraction module is used for the signal after the conditioning of signal condition module is carried out feature extraction.
4. device according to claim 1 is characterized in that, described device also comprises:
Display unit is used for showing in real time the temperature value of a plurality of positions of the described bogie that described acquiring unit gets access to and the warning message that described alarm unit generates.
5. according to claim 1 or 4 described devices, it is characterized in that described device also comprises:
Storage unit is used to store the temperature value of a plurality of positions of the described bogie that described acquiring unit gets access to and vibration values and or the warning message that generates of described alarm unit.
6. device according to claim 5 is characterized in that, described device also comprises:
Transmission unit, be used for the temperature value of a plurality of positions of the described bogie of described cell stores and vibration values and or described warning message transfer out.
7. the relative judge device of a bogie state is characterized in that described device comprises:
Receiving element is used to receive the status information of bogie in all compartments of a train, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Horizontal contrast unit is used for the temperature value of the correspondence position of the bogie that respectively saves the compartment of described train is compared, and generates the temperature value comparing result that respectively saves the compartment; And the vibration values that respectively saves the compartment of described train compared, generate the vibration values comparing result that respectively saves the compartment;
Vertical contrast unit is used for the vibration values of each position of the bogie in each joint compartment of described train is compared with the historical data in this compartment, generates the vibration values comparing result that each saves the compartment.
8. device according to claim 7 is characterized in that, described device also comprises:
Display unit is used to show and describedly respectively saves the temperature value comparing result in compartment, respectively saves the vibration values comparing result in compartment and the historical comparing result of vibration values in described each compartment.
9. device according to claim 7 is characterized in that, described device also comprises:
Storage unit is used to store the vibration values and or the comparing result of described horizontal contrast unit and described vertical contrast unit of the temperature value of a plurality of positions of bogie in all compartments of the described train that described receiving element receives and described bogie.
10. a bogie state monitoring apparatus is characterized in that, described device comprises absolute judge device and relative judge device, wherein:
Described absolute judge device is used for the state of bogie to a joint compartment and compares and judge that this is definitely passed judgment on device and comprises:
Acquiring unit is used to obtain the status information of the bogie in a joint compartment, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Comparing unit is used for the temperature value and the vibration values of described each position are compared with the temperature threshold and the vibration threshold of predefined each position;
Alarm unit, when being used for temperature value and exceeding the temperature threshold of predefined each position in described each position, when perhaps the vibration values of described each position exceeds predefined vibration threshold, generate the temperature alarming information or the vibration alarming information of each position;
Described relative judge device is used for state to the bogie in all compartments of a train and compares and judge that this is passed judgment on device relatively and comprises:
Receiving element is used to receive the status information of bogie in all compartments of a train, and the status information of described bogie comprises by the temperature value of a plurality of positions of the described bogie of sensor acquisition and vibration values;
Horizontal contrast unit is used for the temperature value of the correspondence position of the bogie that respectively saves the compartment of described train is compared, and generates the temperature value comparing result that respectively saves the compartment; And the vibration values that respectively saves the compartment of described train compared, generate the vibration values comparing result that respectively saves the compartment;
Vertical contrast unit is used for the vibration values of the bogie of each position of the bogie in each compartment of described train and the historical data in this compartment are compared, and generates the vibration values comparing result in each compartment.
11. device according to claim 10 is characterized in that, described absolute judge device is connected by wired or wireless mode with described relative judge device, wherein:
Described wired mode comprises that USB connects, the CAN network connects or Ethernet connects;
Described wireless mode comprises that wlan network connects, GPRS network connects.
CN2009203508284U 2009-12-31 2009-12-31 Bogie condition monitoring device CN201575927U (en)

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CN103674582B (en) * 2013-11-29 2016-08-17 中车青岛四方机车车辆股份有限公司 Movement stability of railway vehicle bogie determination methods and device
CN103674586A (en) * 2013-12-12 2014-03-26 同济大学 Method for hidden danger and fault feature extraction for train running system
CN104765322A (en) * 2014-01-02 2015-07-08 齐齐哈尔轨道交通装备有限责任公司 Production line monitoring system
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CN104122083A (en) * 2014-07-31 2014-10-29 泰安市泰山索道运营中心 Cableway bracket roller detection method and detection system thereof
CN104442913A (en) * 2014-12-01 2015-03-25 南车株洲电力机车有限公司 Railway vehicle monitoring device
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CN107870084A (en) * 2017-09-18 2018-04-03 中车工业研究院有限公司 The contactless monitoring method and system of train bogie
CN109693679A (en) * 2017-10-24 2019-04-30 株洲中车时代电气股份有限公司 A kind of monitoring system of train operation quality
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