CN102033138A - Train speed measuring equipment based on track characteristics - Google Patents
Train speed measuring equipment based on track characteristics Download PDFInfo
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- CN102033138A CN102033138A CN 201010510191 CN201010510191A CN102033138A CN 102033138 A CN102033138 A CN 102033138A CN 201010510191 CN201010510191 CN 201010510191 CN 201010510191 A CN201010510191 A CN 201010510191A CN 102033138 A CN102033138 A CN 102033138A
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Abstract
The invention relates to a train speed measuring equipment based on track characteristics, comprising a measuring device, a measuring device adjusting unit, and a data collecting and processing unit, wherein the measuring device senses the change of track characteristics, and collects signals, the measuring device adjusting unit adjusts the position of the measuring device, and ensures that the measuring device is in the effective measuring range, and the data collecting and processing unit receives the signals collected by the measuring device, and calculate train operating parameters on real time after carrying out signal processing. On the basis of a non-contact measuring probe, the train speed measuring equipment obtains parameters of train operating distance, moving speed, acceleration, deceleration and the like through appearance or image characteristics of track sleepers, fasteners, and the like, and carries out storage, communication and display.
Description
Technical field:
The invention belongs to test and control technology field, relate to a kind of vehicle speed measurement device based on track characteristic.
Background technology:
At present about adopting the measure speed gears method to measure or measure in the measurement mechanism of train running speed mostly by velocity radar.Wherein the measure speed gears speed-measuring method is by measuring the rotating speed of axletree, obtain the translational velocity of train thereby convert, this method is when idle running or train braking take place in train traction when sliding, and the train running speed of measure speed gears method measurement can not truly reflect the actual motion speed of train.Though what velocity radar was directly measured is train running speed, error is bigger, and the interval corresponding measuring error of friction speed is different, and certain application limitation is arranged.
A kind of vehicle speed measurement device based on track characteristic, pop one's head in by non-contact measurement, based on track characteristic can be accurate, real-time the movement velocity of reflection train, measuring accuracy is not subjected to wheel spin, slides and influence on the one hand, measuring error is not influenced by the travelling speed size on the other hand.Improved the authenticity that train running speed is measured greatly.
Summary of the invention:
Fundamental purpose of the present invention is to provide a kind of vehicle speed measurement device based on track characteristic to utilize train running speed in the non-contact measurement probe measurement train travelling process, by non-cpntact measurement probe in time and measure exactly train under different travelling speed, different loads, different traction working condition and damped condition distance travelled.
The present invention also aims to provide a kind of vehicle speed measurement device to utilize train running speed in the non-contact measurement probe measurement train travelling process based on track characteristic, by data acquisition and treating apparatus, calculate the train operation instantaneous velocity as required, parameters such as acceleration-deceleration.
In order to reach above purpose, the technical solution used in the present invention is:
A kind of vehicle speed measurement device based on track characteristic, it comprises:
Measurement mechanism, the variation of induction track characteristic, acquired signal;
The measurement mechanism adjustment unit is adjusted the measurement mechanism position, guarantees that measurement mechanism is within the effective range;
Data acquisition and processing unit receive the signal that measurement mechanism is gathered, and through signal Processing, calculate train runing parameters in real time.
Described measurement mechanism adjustment unit comprises cross slide way, longitudinal rail and slide block, and cross slide way and longitudinal rail pass slide block respectively in the horizontal and vertically, and can move the bottom fixation measuring device of longitudinal rail in slide block.
Described measurement mechanism adjustment unit also comprises the measurement mechanism installing plate, and measurement mechanism is installed on the bottom of longitudinal rail by the measurement mechanism installing plate.
Described measurement mechanism installing plate is provided with a plurality of U type grooves to regulate the installation site of measurement mechanism.
The both sides of described cross slide way have U type hole, can adjust the levelness of cross slide way by U type hole.
Described measurement mechanism adopts the non-cpntact measurement probe.
Described non-cpntact measurement probe comprises Infrared survey device, laser measuring device for measuring and image measuring apparatus.
Described data acquisition and processing unit comprise embedded system, image capture module, counter, signal Processing, demonstration and output, power module and communication interface, embedded system realizes data acquisition, processing, storage, demonstration, communication function as total system control central authorities; Image capture module, counter are gathered in real time to measurement mechanism; Signal Processing is finished filtering, the amplification to acquired signal; The data that communication interface will be gathered or store send to external unit; Demonstration and output then shows as required or output train moves displacement, speed, acceleration-deceleration parameter.
Advantage of the present invention is as follows: 1, directly measure the travelling speed of train, do not need to convert train running speed to by faster rotating wheel; 2, train when traction wheel idle running or train occur and in braking procedure, occur taking turns when situation such as occurring sliding, can measure the travelling speed of train equally timely and accurately.3, device simplicity of design, compactness are easy to maintenance, can be installed to easily on the train as an independent device, in the selection of material, can select simultaneously the standard sections of light hollow, have circular hole in the above, not only weight reduction greatly, the while is convenient construction also.4, in measuring process because measurement target sleeper or sleeper fastener relative fixed, be not subjected to the influence of natural conditions, therefore can guarantee measuring stability.
Description of drawings:
Fig. 1 vehicle speed measurement apparatus structure synoptic diagram.
Fig. 2 data acquisition and processing unit synoptic diagram.
Fig. 3 vehicle speed measurement device entrucking synoptic diagram.
Fig. 4 sleeper fastener, sleeper and rail concern synoptic diagram.
Among Fig. 1, Fig. 3, Fig. 4, cross slide way 1, horizontal latch mechanism 2, longitudinal rail 3, vertical latch mechanism 4, slide block 5, non-cpntact measurement probe 6, non-cpntact measurement probe installing plate 7, rail 8, sleeper fastener 9, sleeper 10, sleeper 11, set bolt 12, bogie frame 13, erection bolt 14.
Embodiment:
The present invention is further illustrated below in conjunction with the accompanying drawing illustrated embodiment.
The present invention is based on vehicle speed measurement equipments overall structure such as Fig. 1, shown in Figure 3 of track characteristic.Apparatus of the present invention are made up of measurement mechanism, measurement mechanism adjustment unit, data acquisition and processing unit.
Wherein: measurement mechanism is installed on the measurement mechanism adjustment unit, measurement mechanism adopts non-cpntact measurement probe 6, and the measurement mechanism adjustment unit is made up of cross slide way 1, horizontal latch mechanism 2, longitudinal rail 3, vertical latch mechanism 4, slide block 5, non-cpntact measurement probe installing plate 7.Cross slide way 1 is fixed on the framework 13 of bogie by the set bolt 12 at two ends.The both sides of cross slide way 1 have U type hole, can adjust the levelness of cross slide way 1 by U type hole.Slide block 5 can move on cross slide way 1, to adjust the lateral attitude of non-cpntact measurement probe 6, after adjust the lateral attitude, by horizontal latch mechanism 2 transversal displacement of slide block 5 is locked.Longitudinal rail 3 can move up and down in slide block 5, to adjust the distance between non-cpntact measurement probe 6 and the track, adjust the measuring basis of non-cpntact measurement probe 6, after lengthwise position is adjusted, by the lengthwise position of vertical latch mechanism 4 locking non-cpntact measurements probe 6.Non-cpntact measurement probe installing plate 7 is by being fixed in the bottom of longitudinal rail 3.Have a plurality of U type grooves on the non-cpntact measurement probe installing plate 7.Non-cpntact measurement probe 6 is connected with non-cpntact measurement probe installing plate 7 by erection bolt, and the erection bolt 14 that non-cpntact measurement is popped one's head on 6 can carry out the fine setting of installation site by the U type groove that non-cpntact measurement is popped one's head on the installing plate 7.The final installation site that guarantees non-cpntact measurement probe 6 is in the effective range to guarantee non-cpntact measurement probe 6.Ripe probe is adopted in this probe suggestion, as the CANKEY series of products that Germany produces, infrared type sensor PT50IH, laser type sensor PH80A-500, image-type sensor PHA45OB.
Figure 2 shows that data acquisition and processing unit.Data acquisition and processing unit are made up of embedded system, image capture module, counter, signal Processing, demonstration and output, power module, communication interface etc.Wherein: embedded system realizes functions such as data acquisition, processing, storage, demonstration, communication as total system control central authorities.Image capture module is gathered in real time to the signal of image non-cpntact measurement probe.Counter is gathered in real time to the signal of infrared/laser non-contact measuring probe.Signal Processing is finished filtering, the amplification to acquired signal.Communication interface can send to external unit with the data of gathering or store.Parameters such as the displacement that demonstration and output then show as required or output train moves, speed, acceleration-deceleration.
The signal of probe output transfers to data acquisition of the present invention and processing unit, by data acquisition and processing unit the signal of probe transmission is handled.The parameter of handling comprises: the switching value signal (as 0 or 18V), analog quantity variable signal (as 0-18V).
Described track characteristic comprises: the orbital image feature that the difference of height feature of difference of height feature, buckle end face and the sleeper end face on sleeper end face and ground, sleeper both sides, non-cpntact measurement probe obtain etc.Data acquisition and treating apparatus convert the signal that the non-cpntact measurement probe obtains to electric signal, pass through operations such as filtering, amplification again, calculate in real time, show and store in the embedded system.
Principle of work of the present invention: measure the sleeper 10 on the train operation track 8, the perhaps quantity of fastener 9 in the certain hour by non-contact measurement probe 6.Train body is in traveling process, because non-cpntact measurement probe 6 is fixed on the bogie frame of train, non-cpntact measurement probe 6 can be advanced together along with the operation of train.In traveling process, no matter whether train idle running the time occurs in traction, still train is taken turns in braking procedure situation such as occurring sliding, and non-cpntact measurement is popped one's head in and 6 can both be measured from initial train is passed by altogether to the terminal procedure sleeper or buckle quantity.Because on fixing railway operation track, the spacing between sleeper 10 and the sleeper 11 is a fixed value, thereby can calculate train operation mileage in certain working time, that is: distance travelled=tie distance * (sleeper quantity-1); Perhaps: distance travelled=buckle spacing * (buckle quantity-1)
Again by displacement time formula: train running speed=distance travelled/working time.Calculate the instantaneous travelling speed of train.
When adopting infrared or laser measurement mode as non-cpntact measurement probe 6.The principle of work of non-cpntact measurement probe 6 is: when non-cpntact measurement probe 6 fixes by the measurement mechanism adjustment unit, make the signal of non-cpntact measurement probe 6 send end aligning sleeper fastener 9 or sleeper 10, and configure the measuring basis line of non-cpntact measurement probe 6, thereby can send the quantity that signal source is measured sleeper fastener 9 or sleeper 10.When train in when operation, whenever pass by a sleeper fastener 9 or sleeper 10, height change according to itself and measuring basis line, sensor will collect a signal to be changed, analogize in proper order, non-cpntact measurement probe 6 will collect one group of signal along with the operation of train, and processing such as the filtering by signal, amplification calculate the operational factor of train.
When adopting the image measurement mode as non-cpntact measurement probe 6.The principle of work of non-cpntact measurement probe 6 is: when non-cpntact measurement probe 6 fixes by the measurement mechanism adjustment unit, make the signal of non-cpntact measurement probe send end aligning sleeper fastener 9 or sleeper 10, and configure the measuring basis face that non-cpntact measurement is popped one's head in, thereby can be according to the measure of the change sleeper fastener 9 of sleeper fastener 9 or sleeper 10 picture signal characteristics or the quantity of sleeper 10.When train in when operation, non-cpntact measurement probe 6 is whenever passed by a sleeper fastener 9 or sleeper 10, and just counting is once analogized in proper order, non-cpntact measurement probe 6 will collect one group of signal along with the operation of train, and processing such as the filtering by signal, amplification calculate the operational factor of train.
Above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in one principle of this explanation among other embodiment.Therefore, the invention is not restricted to the embodiment here, those skilled in the art should be within protection scope of the present invention for improvement and modification that the present invention makes according to announcement of the present invention.
Claims (8)
1. vehicle speed measurement device based on track characteristic, it is characterized in that: it comprises:
Measurement mechanism, the variation of induction track characteristic, acquired signal;
The measurement mechanism adjustment unit is adjusted the measurement mechanism position, guarantees that measurement mechanism is within the effective range;
Data acquisition and processing unit receive the signal that measurement mechanism is gathered, and through signal Processing, calculate train runing parameters in real time.
2. the vehicle speed measurement device based on track characteristic as claimed in claim 1, it is characterized in that: described measurement mechanism adjustment unit comprises cross slide way, longitudinal rail and slide block, cross slide way and longitudinal rail pass slide block respectively in the horizontal and vertically, and can in slide block, move the bottom fixation measuring device of longitudinal rail.
3. the vehicle speed measurement device based on track characteristic as claimed in claim 2 is characterized in that: described measurement mechanism adjustment unit also comprises the measurement mechanism installing plate, and measurement mechanism is installed on the bottom of longitudinal rail by the measurement mechanism installing plate.
4. the vehicle speed measurement device based on track characteristic as claimed in claim 3 is characterized in that: described measurement mechanism installing plate is provided with a plurality of U type grooves to regulate the installation site of measurement mechanism.
5. the vehicle speed measurement device based on track characteristic as claimed in claim 2 is characterized in that: the both sides of described cross slide way have U type hole, adjust the levelness of cross slide way by U type hole.
6. the vehicle speed measurement device based on track characteristic as claimed in claim 1, it is characterized in that: described data acquisition and processing unit comprise embedded system, image capture module, counter, signal Processing, demonstration and output, power module and communication interface, embedded system realizes data acquisition, processing, storage, demonstration, communication function as total system control central authorities; Image capture module, counter are gathered in real time to measurement mechanism; Signal Processing is finished filtering, the amplification to acquired signal; The data that communication interface will be gathered or store send to external unit; Demonstration and output then shows as required or output train moves displacement, speed, acceleration-deceleration parameter.
7. as each described vehicle speed measurement device based on track characteristic of claim 1-6, it is characterized in that: described measurement mechanism adopts the non-cpntact measurement probe.
8. the vehicle speed measurement device based on track characteristic as claimed in claim 7 is characterized in that: described non-cpntact measurement probe comprises Infrared survey device, laser measuring device for measuring and image measuring apparatus.
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| CN 201010510191 CN102033138A (en) | 2010-10-18 | 2010-10-18 | Train speed measuring equipment based on track characteristics |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749029A (en) * | 2012-03-31 | 2012-10-24 | 马钢(集团)控股有限公司 | Device for monitoring equipment operating linearly along tracks |
| CN102999000A (en) * | 2012-12-07 | 2013-03-27 | 武汉理工大学 | Safe monitoring device for intelligent brick unloading machine |
| CN103439537A (en) * | 2013-08-01 | 2013-12-11 | 华北电力大学 | Lossless sample clamp of solar battery current-voltage testing system |
| CN105277735A (en) * | 2014-07-24 | 2016-01-27 | 南车株洲电力机车研究所有限公司 | Detection method and device for speed and displacement of rail train |
| CN105480256A (en) * | 2015-11-20 | 2016-04-13 | 武汉滨湖电子有限责任公司 | High-speed rail track measuring device and method |
| CN105877627A (en) * | 2016-04-11 | 2016-08-24 | 安徽康成工业产品设计有限公司 | Fulcrum spacing regulation control device for horizontal rail window cleaning machine |
| CN106709911A (en) * | 2016-12-26 | 2017-05-24 | 西北工业大学 | High-speed rail fastener detection and counting method and system based on machine vision |
| WO2017211068A1 (en) * | 2016-06-07 | 2017-12-14 | 深圳航天科技创新研究院 | Accurate speed-measuring system and method for rail transit vehicle |
| CN107697104A (en) * | 2017-08-02 | 2018-02-16 | 同济大学 | The identification of rolling stock traffic direction and axle speed measurement apparatus and method based on image |
| CN109515471A (en) * | 2018-12-13 | 2019-03-26 | 四川拓绘科技有限公司 | A kind of Non-contact type sleeper recognition methods under moving condition |
| CN112082570A (en) * | 2020-09-21 | 2020-12-15 | 西南交通大学 | Infrared ranging type train odometer and train mileage calculation method |
| CN112082783A (en) * | 2020-09-17 | 2020-12-15 | 中车大同电力机车有限公司 | Dynamic stress measuring system |
| CN112304331A (en) * | 2020-10-22 | 2021-02-02 | 西南交通大学 | Ultrasonic-based train odometer and mileage calculation method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749029B (en) * | 2012-03-31 | 2016-01-20 | 马钢(集团)控股有限公司 | A kind of supervising device along rail linearity operational outfit |
| CN102749029A (en) * | 2012-03-31 | 2012-10-24 | 马钢(集团)控股有限公司 | Device for monitoring equipment operating linearly along tracks |
| CN102999000A (en) * | 2012-12-07 | 2013-03-27 | 武汉理工大学 | Safe monitoring device for intelligent brick unloading machine |
| CN103439537A (en) * | 2013-08-01 | 2013-12-11 | 华北电力大学 | Lossless sample clamp of solar battery current-voltage testing system |
| CN103439537B (en) * | 2013-08-01 | 2015-12-09 | 华北电力大学 | Harmless formula solar cell current-voltage test macro sample clamp |
| CN105277735A (en) * | 2014-07-24 | 2016-01-27 | 南车株洲电力机车研究所有限公司 | Detection method and device for speed and displacement of rail train |
| CN105480256B (en) * | 2015-11-20 | 2018-06-22 | 武汉滨湖电子有限责任公司 | A kind of high-speed railway rail measuring device and measuring method |
| CN105480256A (en) * | 2015-11-20 | 2016-04-13 | 武汉滨湖电子有限责任公司 | High-speed rail track measuring device and method |
| CN105877627A (en) * | 2016-04-11 | 2016-08-24 | 安徽康成工业产品设计有限公司 | Fulcrum spacing regulation control device for horizontal rail window cleaning machine |
| CN105877627B (en) * | 2016-04-11 | 2019-12-13 | 南京潥航仿生产业研究院有限公司 | Fulcrum distance regulating device of horizontal rail window cleaning machine |
| WO2017211068A1 (en) * | 2016-06-07 | 2017-12-14 | 深圳航天科技创新研究院 | Accurate speed-measuring system and method for rail transit vehicle |
| CN106709911A (en) * | 2016-12-26 | 2017-05-24 | 西北工业大学 | High-speed rail fastener detection and counting method and system based on machine vision |
| CN107697104A (en) * | 2017-08-02 | 2018-02-16 | 同济大学 | The identification of rolling stock traffic direction and axle speed measurement apparatus and method based on image |
| CN109515471A (en) * | 2018-12-13 | 2019-03-26 | 四川拓绘科技有限公司 | A kind of Non-contact type sleeper recognition methods under moving condition |
| CN109515471B (en) * | 2018-12-13 | 2020-09-01 | 四川拓绘科技有限公司 | Non-contact sleeper identification method in moving state |
| CN112082783A (en) * | 2020-09-17 | 2020-12-15 | 中车大同电力机车有限公司 | Dynamic stress measuring system |
| CN112082570A (en) * | 2020-09-21 | 2020-12-15 | 西南交通大学 | Infrared ranging type train odometer and train mileage calculation method |
| CN112304331A (en) * | 2020-10-22 | 2021-02-02 | 西南交通大学 | Ultrasonic-based train odometer and mileage calculation method |
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Application publication date: 20110427 |