CN103712806A - Snakelike motion detection and analysis system of high-speed-train bogie and method thereof - Google Patents
Snakelike motion detection and analysis system of high-speed-train bogie and method thereof Download PDFInfo
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Abstract
The invention discloses a snakelike motion detection and analysis system of a high-speed-train bogie and a method thereof. The system aims at analyzing the snakelike motion state of the high-speed-train bogie in different environments and different work conditions and reasons for generation of the snakelike motion and effects of the snakelike motion on operation security of the high-speed train. Bogie transverse and longitudinal acceleration signals are acquired through a transverse two-dimension acceleration sensor and a longitudinal two-dimension acceleration sensor, which are arranged on the bogie of the system and storage of characteristic data is performed through filtering of the signals by a real-time data acquisition controller and the analysis result and trend are transmitted to a train display terminal through a train transmission network. Therefore, long-term tracking and trend analysis of the bogie transverse and longitudinal data are realized and occurred faults of the bogie are monitored and alarmed in a real-time manner.
Description
Technical field
The present invention relates to a kind of bogie detection, analytic system and the method thereof in railway locomotive field, relate in particular to a kind of high-speed train bogie serpentine locomotion detection, analytic system and method thereof.
Background technology
Bogie can produce abnormal block vibration at a relatively high speed when level tangent track moves, and the amplitude of vibration can constantly expand along with the continuity of time, when serious, can produce serpentine locomotion unstability.Bogie serpentine locomotion unstability can affect the traffic safety of bullet train, should implement effectively to detect and analyze to the snakelike unstability of bogie.
The snakelike unstability monitoring technology of existing bogie is: by being arranged on the transverse acceleration signal of the horizontal two dimension acceleration sensor collection bogie on bogie, then, by the transverse acceleration signal collecting by real-time data acquisition controller to after signal filtering, generate the characteristics such as analysis result and trend trend.Finally, by train network, characteristic is transferred to train terminal and is converted to display.
Thus, realize the object of the transverse vibration acceleration that detects bogie, and judged that snakelike unstability appears in bogie while making the transverse vibration of bogie accelerate to be greater than a certain limit value, and carried out corresponding warning.
But there is following shortcoming in existing bogie monitoring method:
The method can only be calculated, report to the police transverse acceleration value, and transverse acceleration value is not stored, shown and analysis, concrete operating mode and the order of severity in the time of cannot there is snakelike unstability to bogie are carried out related data analysis, thereby cannot study the essential reason of its snakelike unstability.
The method can only be monitored the transverse acceleration situation of both sides, bogie front and back, can not monitor longitudinal acceleration, the situation of waving in the time of cannot understanding bogie operational process.
Based on needing above and shortcoming, special proposition the present invention.
Summary of the invention
The object of this invention is to provide a kind of high-speed train bogie serpentine locomotion detection, analytic system and method thereof, by this invention, realized the detection of the transverse acceleration of bogie and longitudinal acceleration, calculating and warning, and can transverse acceleration value and the longitudinal acceleration of bogie be stored, be shown and analysis, thereby realize the research to the essential reason of the snakelike unstability of bogie.
Technical scheme of the present invention is:
The snakelike unstability of a kind of high-speed train bogie detects, analytic system, laterally two dimension acceleration sensor is connected with real-time data acquisition controller by optical fiber respectively with longitudinal two dimension acceleration sensor, real-time data acquisition controller connects train network by 20mA electric current loop, and train network is connected with train terminal.
Further, described horizontal two dimension acceleration sensor and longitudinal two dimension acceleration sensor are arranged on the framework of bogie front and back end.
Further, on described real-time data acquisition controller, be provided with storage card.
Further, described real-time data acquisition controller is connected with the auxiliary power supply module arranging on train.
Further, described real-time data acquisition controller is connected with battery module, and battery module is in parallel with auxiliary power supply module.
Another technical scheme of the present invention is:
The snakelike unstability of high-speed train bogie detects, an analytical approach, and it adopts, and the snakelike unstability of above-mentioned a set of high-speed train bogie detects, analytic system.
Further, comprise the steps:
A, by be arranged on horizontal two dimension acceleration sensor on bogie and longitudinally two dimension acceleration sensor gather bogie laterally and longitudinal acceleration signal;
B, by real-time data acquisition controller to bogie laterally with longitudinal acceleration signal filtering after, the characteristics such as generation analysis result and trend trend;
C, by the storage card arranging on real-time data acquisition controller, characteristic is stored;
D, by train network, characteristic is transferred to train terminal and is converted to display.
Further, described real-time data acquisition controller provides input current by the auxiliary power supply module arranging on train, also can provide input current by the battery module in parallel with auxiliary power supply module.
Further, the voltage of the described input current providing to real-time data acquisition controller is 110v.
The present invention is the demand from bullet train development and safe operation, invented a set of bogie horizontal, longitudinally detect in real time, the method of analyzing, horizontal and the longitudinal acceleration signal of this system acquisition bogie, to carrying out storage and the demonstration of characteristic after signal filtering, can carry out long-term follow and trend analysis to data, can analysis result and trend trend be transferred to train display terminal by train transmission network, thereby can carry out Efficient Evaluation to train operation state, train bogie is suggested improvements, the fault that system can be occurred self is carried out Real-Time Monitoring and warning.
The invention has the beneficial effects as follows:
The present invention is by said method, makes bullet train serpentine locomotion detection, analytic system hardware, running software more reliable and more stable, can significantly suppress the interference that electromagnetic interference (EMI) produces system.
The present invention is the storage to characteristic by the storage card that arranges on real-time data acquisition controller, realized bogie laterally, the long-term follow of longitudinal acceleration, be convenient to unstability intensity and the reason to analyze and study.
The present invention gathers the longitudinal acceleration of bogie by the longitudinal acceleration sensor arranging on bogie, realized the object that the longitudinal acceleration of bogie is measured, and can reach the effect that the bogie situation of waving is assessed.
Figure of description
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural drawing of the present invention.
Description of symbols in figure: 1-horizontal two dimension acceleration sensor, 2-longitudinal two dimension acceleration sensor, 3-optical fiber, 4-real-time data acquisition controller, 5-20mA electric current loop, 6-train network, 7-train outlet terminal, 401-storage card, 402-battery module, 403-auxiliary power supply module.
Embodiment
Referring to Fig. 1
The invention discloses a kind of high-speed train bogie serpentine locomotion detection, analytic system and method thereof, its horizontal two dimension acceleration sensor 1 is connected with on real-time data acquisition controller 4 by optical fiber 3 respectively with longitudinal two dimension acceleration sensor 2, real-time data acquisition controller 4 connects train network 6 by 20mA electric current loop 5, by train network 6, connects train outlet terminal 7.
The real-time data acquisition controller that real-time data acquisition controller 3 of the present invention adopts America NI company to produce carries out hardware and builds, this hardware system has good characteristic in the indexs such as low temperature, high temperature, vibration, impact, can adapt to bullet train running environment, and can expanding storage apparatus.And the high thermometrically software systems of Labview real-time that adopt America NI company to research and develop, these software systems and NI hardware system can carry out seamless combination, stable in thermometrically system, easy and simple to handle, and friendly interface is programmed easy to learn.
Horizontal two dimension acceleration sensor 1 of the present invention and longitudinally two dimension acceleration sensor 2 are separately positioned on the framework of bogie front and back end, the interference that the signal of its collection can avoid electromagnetic environment severe in bullet train to carry out it by optical fiber 3 transmission.
In the hardware system of real-time data acquisition controller of the present invention, be provided with storage card 401, it is by the characteristic of transverse vibration, extensional vibration, and particularly the characteristic such as a large amount of analysis results in unstability situation and trend trend stores in the storage card 401 arranging in hardware system and stores.By storage card 401, being convenient to data extracts, shows and analyze.Then by the data of storage, by 20mA electric current loop 5, be transferred in train network 6.
Real-time data acquisition controller 4 of the present invention provides electric power by the auxiliary power supply module 403 of the 110V that arranges on train, and is provided with the battery module in parallel with auxiliary power supply module 403 402.After auxiliary power supply module 403 power down of 110V, system can be monitored automatically, and reports to the police to train network.
A set of high-speed train bogie serpentine locomotion detection of the present invention, analytical test method, the method is passed through said system, horizontal two dimension acceleration sensor 1 and longitudinal two dimension acceleration sensor 2 are gathered to bogies laterally and longitudinal acceleration signal, signal is passed to real-time data acquisition controller 4 by optical fiber 3.After 4 pairs of signal filterings of real-time data acquisition device, characteristic is stored in the storage card 401 arranging on real-time data acquisition device.Then, by 20mA electric current loop 5, storage in storage card 401 is obtained to characteristic and transfer to train network 6.By train network 6, by characteristic, analyze.Finally, result and trend trend are transferred to train display terminal 7.Thereby realized the long-term follow of data and trend analysis, thereby can carry out Efficient Evaluation to train operation state, and train bogie has been suggested improvements.
The present invention is from bullet train development and safe operation demand, horizontal, the longitudinally real-time detection of above-mentioned a set of bogie, analytic system and the method thereof of design, can be to carrying out storage and the demonstration of characteristic after signal filtering, can carry out long-term follow and trend analysis to data, can analysis result and trend trend be transferred to train display terminal by train transmission network, the fault that system can occur self is monitored and is reported to the police.
The system that the hardware that real-time data acquisition device 4 of the present invention adopts invented is more in the past safer, stable and reliable, especially high temperature, low temperature, vibration, impact, electromagnetic interference (EMI) etc. is had to very good performance.Running software is more stable, and interface is more friendly, the intuitive and convenient more of programming, and function is more complete.
The present invention, by storage card 401 is set, makes native system can store at least 100M significant data, for data analysis and demonstration are provided convenience.
The data transmission that the present invention gathers horizontal two dimension acceleration sensor 1 and longitudinal two dimension acceleration sensor 2 by optical fiber 3 is in real-time data acquisition controller 4, can significantly avoid the electromagnetic interference (EMI) of vehicle device storehouse high-tension apparatus to this system, increase substantially the precision of signal transmission.
The present invention, by longitudinal two dimension acceleration sensor 2 is set, can measure the longitudinal acceleration at four angles of bogie.Simultaneously because the longitudinal acceleration of train operation is relatively slow, the acceleration producing in the time of can be by the effective filtering train operation of algorithm, thus can the bogie degree of waving be made and being shown and assessment.
The present invention, by add battery module 402 in system, makes still can move a period of time after 403 power down of auxiliary power supply module, guarantees train traffic safety.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out each cover and improve and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection scope of the present invention.
It will be understood by those skilled in the art that specific descriptions are above in order to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (9)
- The snakelike unstability of a high-speed train bogie detect, analytic system, it is characterized in that: laterally two dimension acceleration sensor (1) is connected with real-time data acquisition controller (4) by optical fiber (3) respectively with longitudinal two dimension acceleration sensor (2), real-time data acquisition controller (4) connects train network (6) by 20mA electric current loop (5), and train network (6) is connected with train terminal (7).
- 2. according to the snakelike unstability detection of the high-speed train bogie described in claim 1, analytic system, it is characterized in that: described horizontal two dimension acceleration sensor (1) and longitudinally two dimension acceleration sensor (2) are arranged on the framework of bogie front and back end.
- 3. according to the snakelike unstability detection of the high-speed train bogie described in claim 1, analytic system, it is characterized in that: on described real-time data acquisition controller (4), be provided with storage card (401).
- 4. according to the snakelike unstability detection of the high-speed train bogie described in claim 1, analytic system, it is characterized in that: described real-time data acquisition controller (4) is connected with the auxiliary power supply module (403) arranging on train.
- 5. the snakelike unstability detection of high-speed train bogie according to claim 4, analytic system, it is characterized in that: described real-time data acquisition controller (4) is connected with battery module (402), and battery module (402) is in parallel with auxiliary power supply module (403).
- 6. the snakelike unstability detection of high-speed train bogie, an analytical approach, is characterized in that: it adopts, and the snakelike unstability of any described high-speed train bogie of claim 1 to 5 detects, analytic system.
- 7. the snakelike unstability detection of a kind of high-speed train bogie according to claim 6, analytical approach, is characterized in that, comprises the steps:A, by be arranged on horizontal two dimension acceleration sensor (1) on bogie and longitudinally two dimension acceleration sensor (2) gather bogie laterally and longitudinal acceleration signal;B, by real-time data acquisition controller (4) to bogie laterally with longitudinal acceleration signal filtering after, the characteristics such as generation analysis result and trend trend;C, the storage card (401) above arranging by real-time data acquisition controller (4) are stored characteristic;D, by train network (6), characteristic is transferred to train terminal (7) and is converted to display.
- 8. according to the snakelike unstability detection of the high-speed train bogie described in claim 7, analytical approach, it is characterized in that: described real-time data acquisition controller (4) provides input current by the auxiliary power supply module (403) arranging on train,Also can provide input current by the battery module (402) in parallel with auxiliary power supply module (403).
- 9. the snakelike unstability detection of high-speed train bogie according to claim 8, analytical approach, is characterized in that: the voltage of the described input current providing to real-time data acquisition controller (4) is 110v.
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Cited By (9)
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| CN104670249A (en) * | 2015-01-31 | 2015-06-03 | 北京华高世纪科技股份有限公司 | Motor train unit bogie instability detection device and realization method |
| CN105711444A (en) * | 2016-03-30 | 2016-06-29 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle snake-shaped instability inhibition system and method |
| CN105890744A (en) * | 2016-03-30 | 2016-08-24 | 中车青岛四方机车车辆股份有限公司 | Method for determining snakelike instability of rail vehicle |
| CN108333450A (en) * | 2018-02-11 | 2018-07-27 | 常州路航轨道交通科技有限公司 | 350KM standards EMU unstability detection method and device |
| CN109017830A (en) * | 2018-08-10 | 2018-12-18 | 唐智科技湖南发展有限公司 | A kind of monitoring method of rail vehicle, device and equipment |
| CN110146307A (en) * | 2019-06-12 | 2019-08-20 | 中国神华能源股份有限公司 | Hunting detection device, detection system and detection method |
| CN110274776A (en) * | 2019-06-19 | 2019-09-24 | 中国铁道科学研究院集团有限公司 | A kind of method and device for judging bullet train movement vibration stability |
| CN113933541A (en) * | 2021-09-30 | 2022-01-14 | 陕西航天时代导航设备有限公司 | Micro-mechanical instability acceleration sensor |
| CN115356133A (en) * | 2022-08-23 | 2022-11-18 | 华东交通大学 | Bogie operation condition on-line monitoring, real-time classification and identification algorithm |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670249A (en) * | 2015-01-31 | 2015-06-03 | 北京华高世纪科技股份有限公司 | Motor train unit bogie instability detection device and realization method |
| US10814731B2 (en) | 2016-03-30 | 2020-10-27 | Crrc Qingdao Sifang Co., Ltd. | System and method for suppressing the serpentine instability of railway vehicle |
| CN105711444A (en) * | 2016-03-30 | 2016-06-29 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle snake-shaped instability inhibition system and method |
| CN105890744A (en) * | 2016-03-30 | 2016-08-24 | 中车青岛四方机车车辆股份有限公司 | Method for determining snakelike instability of rail vehicle |
| WO2017167087A1 (en) * | 2016-03-30 | 2017-10-05 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle snaking instability suppression system and method |
| CN105711444B (en) * | 2016-03-30 | 2018-05-11 | 中车青岛四方机车车辆股份有限公司 | A kind of snakelike unsteady repression system and method for rail vehicle |
| CN105890744B (en) * | 2016-03-30 | 2019-05-21 | 中车青岛四方机车车辆股份有限公司 | A kind of snakelike unstability determination method of rail vehicle |
| CN108333450A (en) * | 2018-02-11 | 2018-07-27 | 常州路航轨道交通科技有限公司 | 350KM standards EMU unstability detection method and device |
| CN108333450B (en) * | 2018-02-11 | 2021-10-29 | 常州路航轨道交通科技有限公司 | 350KM standard motor train unit instability detection method and device |
| CN109017830A (en) * | 2018-08-10 | 2018-12-18 | 唐智科技湖南发展有限公司 | A kind of monitoring method of rail vehicle, device and equipment |
| CN110146307B (en) * | 2019-06-12 | 2021-04-13 | 中国神华能源股份有限公司 | Snake motion detection device, detection system and detection method |
| CN110146307A (en) * | 2019-06-12 | 2019-08-20 | 中国神华能源股份有限公司 | Hunting detection device, detection system and detection method |
| CN110274776A (en) * | 2019-06-19 | 2019-09-24 | 中国铁道科学研究院集团有限公司 | A kind of method and device for judging bullet train movement vibration stability |
| CN113933541A (en) * | 2021-09-30 | 2022-01-14 | 陕西航天时代导航设备有限公司 | Micro-mechanical instability acceleration sensor |
| CN115356133A (en) * | 2022-08-23 | 2022-11-18 | 华东交通大学 | Bogie operation condition on-line monitoring, real-time classification and identification algorithm |
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