CN107101585A - Wheel diameters detecting system and method - Google Patents
Wheel diameters detecting system and method Download PDFInfo
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- CN107101585A CN107101585A CN201710294359.8A CN201710294359A CN107101585A CN 107101585 A CN107101585 A CN 107101585A CN 201710294359 A CN201710294359 A CN 201710294359A CN 107101585 A CN107101585 A CN 107101585A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
- G01B11/005—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates coordinate measuring machines
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a kind of wheel diameters detecting system and method, wherein, wheel diameters detecting system includes：At least three are arranged on the laser displacement sensor of the same side of single-sided tracks, and at least two are symmetricly set on the laser displacement sensor of the both sides of single-sided tracks, controller local area network's CAN capture cards and industrial control host；Laser displacement sensor is used for the coordinate information for obtaining the wheel of vehicle to be detected, and the coordinate information of the wheel to CAN capture cards transmission vehicle to be detected；CAN capture cards are used for the coordinate information for receiving the wheel of the vehicle to be detected of laser displacement sensor acquisition, and the coordinate information of the wheel to industrial control host transmission vehicle to be detected；Industrial control host is used for the coordinate information of the wheel according to vehicle to be detected, and the size of wheel is obtained in line computation.The detecting system and the size of method on-line checking wheel of the wheel diameters provided by the present invention, improve detection efficiency.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly to a kind of wheel diameters detecting system and method.
Background technology
Train wheel carries the weight of whole train, is train as train and the binding site of track in track traffic
Important building block in traveling system.In train wheel running in orbit, because track circuit curing condition is poor, row
Car wheel profile matches the reasons such as unreasonable and/or train wheel material and track material matching be unreasonable with rail profiles, with
Abrasion occurs in the wheel tread part and rim section that track is in contact, and the physical dimension of wheel is changed.Not only can
The riding comfort and operation stability of train are influenceed, moreover, when the tread and serious wheel wear of wheel, influence wheel
Service life.It is therefore desirable to which periodically the size to wheel is detected, the excessive wear of wheel is prevented.
The existing detection method to wheel diameters is to use special slide calliper rule, and many places measurement is carried out to static wheel,
Then, measurement data is recorded.As being compared to the wheel data and the wheel data of historical record obtained by measurement, car is drawn
The abrasion loss of wheel.
However, the detection efficiency of the existing detection method to wheel diameters is low.
The content of the invention
The invention provides a kind of wheel diameters detecting system and method, to solve the existing detection side to wheel diameters
The problem of detection efficiency of method is low.
The present invention provides a kind of wheel diameters detecting system, including：It is arranged on the laser displacement of the same side of single-sided tracks
Sensor, is symmetricly set on the laser displacement sensor of the both sides of single-sided tracks, controller local area network (Controller
Area Network；Referred to as：CAN) capture card and industrial control host, wherein, the laser of above-mentioned the same side for being arranged on single-sided tracks
The number of displacement transducer is at least 3, and the number of the laser displacement sensor of the above-mentioned both sides for being symmetricly set on single-sided tracks is extremely
It is 2 less；Above-mentioned laser displacement sensor is used for the coordinate information for obtaining the wheel of vehicle to be detected, and to above-mentioned CAN capture cards
Send the coordinate information of the wheel of above-mentioned vehicle to be detected；Above-mentioned CAN capture cards are obtained for receiving above-mentioned laser displacement sensor
The coordinate information of the wheel of the above-mentioned vehicle to be detected taken, and send to above-mentioned industrial control host the wheel of above-mentioned vehicle to be detected
Coordinate information；Above-mentioned industrial control host is used for the coordinate information of the wheel according to above-mentioned vehicle to be detected, obtains the chi of above-mentioned wheel
It is very little.
Optionally, above-mentioned wheel diameters detecting system, in addition to：Numeral input/output (Input/Output；Referred to as：I/
O) block, for sending synchronizing signal to above-mentioned laser displacement sensor, to control above-mentioned laser displacement transducer according to above-mentioned same
Walk signal and carry out coordinate collection.
Optionally, above-mentioned wheel diameters detecting system, in addition to：Axial sensor, for detecting whether having above-mentioned to be checked
Measuring car is put in storage, when detecting above-mentioned vehicle storage to be detected, to above-mentioned digital I/O cards output voltage analog signal, to indicate
Above-mentioned vehicle storage to be detected, triggers above-mentioned digital I/O cards and generates above-mentioned synchronizing signal.
Optionally, above-mentioned wheel diameters detecting system, in addition to：Radio frequency identification main frame and radio-frequency antenna, above-mentioned radio frequency day
Line is arranged on the inside of track；Electronic labeling information for obtaining above-mentioned vehicle to be detected；
Above-mentioned radio frequency identification main frame is used for the electronic tag letter of the above-mentioned vehicle to be detected obtained according to said radio-frequency antenna
Breath, determines the identification information of above-mentioned vehicle to be detected, and the identification information of above-mentioned vehicle to be detected is sent to above-mentioned industry control master
Machine.
The present invention also provides a kind of wheel diameters detection method, including：At least five laser displacement sensors are obtained respectively
The coordinate information of the wheel of the vehicle to be detected detected under synchronizing signal effect, above-mentioned coordinate information is corresponding with frame number, its
In, the above-mentioned frame number that every laser displacement sensor is sent is corresponding with the detection order of every above-mentioned laser displacement sensor,
Above-mentioned laser displacement sensor detected with prefixed time interval, wherein, above-mentioned coordinate information includes：First kind coordinate information
With Equations of The Second Kind coordinate information, above-mentioned first kind coordinate information is by being arranged at least three above-mentioned laser of single-sided tracks the same side
Displacement transducer is obtained, radius and the center of circle for obtaining each wheel；Above-mentioned Equations of The Second Kind coordinate information is above-mentioned by being arranged on
At least two of single-sided tracks both sides above-mentioned laser displacement sensors are obtained, for obtain each wheel flange thickness and/or
Flange height；The corresponding first kind coordinate information of each wheel is obtained according to above-mentioned frame number；According to above-mentioned the of each wheel
One class coordinate information, obtains the corresponding radius of each wheel and the center of circle；Each wheel corresponding the is obtained according to above-mentioned frame number
Two class coordinate informations；According to the above-mentioned Equations of The Second Kind coordinate information of each wheel, obtain the corresponding flange thickness of each wheel and/or
Flange height.
Optionally, the coordinate letter of the wheel of the vehicle to be detected of at least five laser displacement sensor detections of above-mentioned acquisition
Breath, including：The detection frame that above-mentioned at least five laser displacement sensors are sent is received, wherein, above-mentioned detection frame is above-mentioned laser
Displacement transducer carries out detection acquisition with prefixed time interval；The first matrix is obtained, wherein, every a line pair of above-mentioned first matrix
The detection frame that a laser displacement sensor of single-sided tracks the same side is sent should be arranged on；It is invalid in above-mentioned first matrix to remove
Row where frame, obtain the second matrix, wherein, above-mentioned invalid frame is the detection frame for not including coordinate information；Determine above-mentioned second
Coordinate information in matrix is first kind coordinate information；Determine that above-mentioned be arranged on above-mentioned single-sided tracks both sides at least two are above-mentioned
The detection frame that laser displacement sensor is sent is Equations of The Second Kind coordinate information.
Optionally, it is above-mentioned to being arranged on every of single-sided tracks the same side respectively according to the size order of above-mentioned frame number
The frame number for the detection frame that laser displacement sensor is sent carries out Difference Calculation with adjacent next frame number, until above-mentioned swash
Last detection frame that Optical displacement sensor is sent；When the difference value of above-mentioned Difference Calculation is less than or equal to predetermined threshold value,
Then carry out above-mentioned Difference Calculation the corresponding detection frame of two frame numbers belong to above-mentioned vehicle to be detected same wheel
One class coordinate information, when the difference value of above-mentioned Difference Calculation is more than above-mentioned predetermined threshold value, then above-mentioned next frame number is corresponding
Detection frame belong to above-mentioned vehicle to be detected next wheel first kind coordinate information.
Optionally, the above-mentioned first kind coordinate information of each wheel of above-mentioned basis, obtain the corresponding radius of each wheel and
The center of circle, including：Coordinate angular transformation is carried out to the corresponding above-mentioned first kind coordinate information of each wheel of above-mentioned vehicle to be detected,
The coordinate information that above-mentioned laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains above-mentioned each wheel pair
The the first coordinate transforming information answered；Respectively to the corresponding above-mentioned first coordinate transforming information of each wheel of above-mentioned vehicle to be detected
Singular value decomposition SVD is carried out, the corresponding singular value of above-mentioned each wheel is obtained；According to the corresponding singular value point of above-mentioned each wheel
It is other that above-mentioned first coordinate transforming information is screened, obtain the corresponding first screening coordinate information of each wheel；According to above-mentioned
The corresponding first screening coordinate information of each wheel obtain respectively the corresponding radius of wheel of the above-mentioned each wheel of vehicle to be detected and
The center of circle.
Optionally, it is above-mentioned that the corresponding Equations of The Second Kind coordinate information of each wheel is obtained according to above-mentioned frame number, including：According to upper
The size order of frame number is stated, every above-mentioned laser displacement sensor for being symmetricly set on the single-sided tracks both sides is sent out respectively
The frame number for the detection frame sent carries out Difference Calculation with adjacent next frame number, until above-mentioned laser displacement sensor is sent
Last detection frame；When the difference value of above-mentioned Difference Calculation is less than or equal to predetermined threshold value, then above-mentioned difference meter is carried out
The corresponding detection frame of two frame numbers calculated belongs to the Equations of The Second Kind coordinate information of the same wheel of above-mentioned vehicle to be detected, when upper
When the difference value for stating Difference Calculation is more than above-mentioned predetermined threshold value, then the corresponding detection frame of above-mentioned next frame number belongs to above-mentioned and treated
Detect the Equations of The Second Kind coordinate information of next wheel of vehicle.
Optionally, the above-mentioned Equations of The Second Kind coordinate information of each wheel of above-mentioned basis, obtains the corresponding wheel rim of each wheel thick
Degree and/or flange height, including：Respectively according to the corresponding above-mentioned Equations of The Second Kind logo information of each wheel of above-mentioned vehicle to be detected
The corresponding target tread of above-mentioned each wheel is obtained, wherein, above-mentioned target tread, which refers to, above-mentioned is arranged on above-mentioned single-sided tracks both sides
The tread minimum with its circle center distance of each wheel that sends of every laser displacement sensor, above-mentioned each wheel is corresponding
Target tread at least includes B, and B is the positive even numbers equal to or more than 2；The corresponding B target of above-mentioned each wheel is obtained respectively
The coordinate information of tread；The coordinate information of B above-mentioned target tread corresponding to above-mentioned each wheel carries out angle coordinate respectively
Conversion, the coordinate information that above-mentioned laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains above-mentioned each car
Take turns the second coordinate transforming information of corresponding B target tread；Respectively by the second of B target tread of above-mentioned each wheel correspondence
In coordinate transforming information fusion to the same coordinate system, the corresponding second fusion coordinate information of above-mentioned each wheel is obtained；It is right respectively
Above-mentioned each wheel corresponding second merges coordinate information and carried out curve fitting, and obtains the corresponding tread of above-mentioned each wheel bent
Line；According to wheel rim with stepping on relation of plane, the thickness and/or the height of wheel rim for the wheel rim for corresponding to above-mentioned each wheel are calculated respectively
A kind of wheel diameters detecting system and method that the present invention is provided, wherein, wheel diameters detecting system includes：At least
Three be arranged on single-sided tracks the same side laser displacement sensor, at least two are symmetricly set on the both sides of single-sided tracks
Laser displacement sensor, controller local area network's CAN capture cards and industrial control host；Laser displacement sensor is used to obtain to be detected
The coordinate information of the wheel of vehicle, and the coordinate information of the wheel to CAN capture cards transmission vehicle to be detected；CAN capture cards are used
Measuring car to be checked is sent in the coordinate information for the wheel for receiving the vehicle to be detected that laser displacement sensor is obtained, and to industrial control host
Wheel coordinate information；Industrial control host is used for the coordinate information of the wheel according to vehicle to be detected, obtains the size of wheel.
The detecting system and method for wheel diameters provided by the present invention, in line computation and can detect the vehicle wheel of vehicle to be detected
Exterior feature circle abrasion information and wheeling edge wearing information, improve wheel diameters detection efficiency.
Brief description of the drawings
, below will be to embodiment or existing skill in order to illustrate more clearly of the present embodiment or technical scheme of the prior art
The accompanying drawing used required in art description does one and simply introduced, it should be apparent that, drawings in the following description are of the invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of wheel diameters detecting system embodiment one of the present invention；
Fig. 2 is the usage scenario schematic diagram of wheel diameters detecting system embodiment one of the present invention；
Fig. 3 is the schematic flow sheet of wheel diameters detection method embodiment two of the present invention；
Fig. 4 is another schematic flow sheet of wheel diameters detection method embodiment two of the present invention；
Fig. 5 is the schematic flow sheet of wheel diameters detection method embodiment three of the present invention；
Fig. 6 is the schematic flow sheet of wheel diameters detection method example IV of the present invention；
Fig. 7 is another schematic diagram of wheel diameters detection method example IV of the present invention；
Fig. 8 is the another schematic diagram of wheel diameters detection method example IV of the present invention.
Description of reference numerals：
1：It is arranged on the laser displacement sensor of the same side of single-sided tracks；
2：It is symmetricly set on the laser displacement sensor of the both sides of single-sided tracks；
3：CAN capture cards； 4：Industrial control host；
5：Single-sided tracks； 6：Sleeper；
7：Train； 8：Vehicle tag；
9：Axial sensor； 10：Digital I/O cards；
11：Radio-frequency antenna； 12：Radio frequency identification main frame；
13：Garage； 14：Wheel；
15：Wheel rim； 16：Tread.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in the present embodiment is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing and/or
(if present)s such as " the 4 " is for distinguishing similar object, without for describing specific order or precedence.Should
The data that the understanding is so used can be exchanged in the appropriate case, so as to embodiments of the invention described herein, for example can
Enough orders with addition to those for illustrating or describing herein are implemented.In addition, term " comprising " and " having " and they
Any deformation, it is intended that covering is non-exclusive to be included, for example, containing the process of series of steps or unit, method, being
System, product or equipment are not necessarily limited to those steps or the unit clearly listed, but may include not list clearly or
For the intrinsic other steps of these processes, method, product or equipment or unit.
The detecting system and method for the wheel diameters provided by the present invention, can online be counted when vehicle to be detected is put in storage
The size of radius size, flange thickness and the rim width of the wheel contour circle of vehicle to be detected is calculated and detected, and then obtains car
Profile circle abrasion information and wheeling edge wearing information are taken turns, wheel diameters detection efficiency is improved.
Technical scheme is described in detail with specific embodiment below providing by the present invention.This is several below
Individual specific embodiment can be combined with each other, and may no longer be gone to live in the household of one's in-laws on getting married in some embodiments for same or analogous concept or process
State.
Fig. 1 is the structural representation of wheel diameters detecting system embodiment one of the present invention.The present embodiment is to be arranged on one side
Illustrated exemplified by the wheel diameters detecting system of track 5, referring to Fig. 1, the wheel diameters detecting system that the present embodiment is provided is set
Put between the sleeper 6 of single-sided tracks 5, including：It is arranged on the laser displacement sensor 1 of the same side of single-sided tracks, symmetrically sets
Put the laser displacement sensor 2, controller local area network's CAN capture cards 3 and industrial control host 4 in the both sides of single-sided tracks.
Wherein, the number for being arranged on the laser displacement sensor 1 of the same side of single-sided tracks is at least 3, is symmetricly set on
The number of the laser displacement sensor 2 of the both sides of single-sided tracks is at least 2.
Optionally, laser displacement sensor can be two-dimensional laser displacement transducer, for launching lasing area.Measuring car to be checked
During by laser displacement sensor, lasing area can intersect with the profile of wheel circle produces intersection point, or the wheel rim with wheel
With the intersection at tread, above-mentioned intersection point or intersection can be represented with the form of coordinate information, every preset time period laser position
Displacement sensor obtains detection frame.Laser displacement sensor can be numbered for the detection frame of acquisition with default rule.Its
In, detection frame includes the effective detection frame with coordinate information and does not include the invalid frame of coordinate information.
Specifically, be arranged on the same side of single-sided tracks laser displacement sensor 1 launch lasing area can with it is to be checked
The circular conclusion of the business point coordinates of the profile of the wheel of measuring car, the detection frame for including intersecting point coordinate is effective detection frame.It is above-mentioned effective
Radius and/or the profile circle of the wheel of vehicle to be detected that detection frame can justify for the profile for the wheel for obtaining vehicle to be detected
The center of circle.
Specifically, be symmetricly set on the both sides of single-sided tracks laser displacement sensor 2 launch lasing area with it is to be detected
The wheel rim of the wheel of vehicle is with tread formation intersection, and the detection frame for including intersection coordinate is effective detection frame.Above-mentioned effective inspection
Survey frame can for the wheel rim for the wheel for obtaining vehicle to be detected height and/or the thickness of wheel rim.
Optionally, laser displacement sensor is used to send with numbered detection frame to CAN capture cards 3.CAN capture cards 3
Interface is provided with each laser displacement sensor, each laser displacement sensor is respectively connected to, laser displacement sensing is received
The numbered detection frame of band that device is obtained, and send the numbered detection frame of above-mentioned band to industrial control host 4.The basis of industrial control host 4
The effective detection frame of the wheel of vehicle to be detected, obtained in line computation the profile circle of the wheel of vehicle to be detected radius and/or
The center of circle of the profile circle of the wheel of vehicle to be detected and the height and/or the thickness of wheel rim of wheel rim, so as to obtain measuring car to be checked
Wheel diameters, the wheel contour circle abrasion information and wheeling edge wearing information of on-line checking vehicle to be detected.
Optionally, the wheel diameters detecting system that the present invention is provided also includes：Digital I/O cards 10.Data digital I/O cards 10
For sending synchronizing signal to all laser displacement sensors, to control all laser displacement transducers to be carried out according to synchronizing signal
The collection of detection frame.Specifically, digital square-wave as synchronizing signal can be controlled laser displacement to pass by numeral I/O cards 10
Sensor interval preset time period obtains detection frame.
Optionally, the wheel diameters detecting system that the present invention is provided also includes：Axial sensor 9.Axial sensor 9 is used for
Vehicle storage to be detected has been detected whether, when detecting vehicle storage to be detected, has simulated and believes to the digital output voltage of I/O cards 10
Number, to indicate that vehicle to be detected is put in storage.Trigger the voltage analog signal generation that numeral I/O cards 10 are exported according to axial sensor 9
The synchronizing signal.Specifically, the voltage analog signal that numeral I/O cards 10 send axial sensor 9 is converted to Digital Square-Wave
Signal, to control laser displacement transducer synchronously to carry out the collection of detection frame.
Optionally, it is arranged on the laser displacement sensor 1 of the same side of single-sided tracks, is symmetricly set on the two of single-sided tracks
The wheel that laser displacement sensor 2, CAN capture cards 3, numeral I/O cards 10 and composition the present embodiment of axial sensor 9 of side are provided
The information acquisition module of size detecting system.The information processing for the wheel diameters detecting system that the present embodiment of industrial control host 4 is provided
Module.
Optionally, the wheel diameters detecting system that the present invention is provided also includes：Radio frequency identification main frame 12 and radio-frequency antenna 11.
Radio frequency identification main frame 12 and radio-frequency antenna 11 are used for the electronic labeling information for obtaining and recognizing vehicle to be detected.Specifically, radio frequency
Recognize that main frame 12 is used for the electronic labeling information of the vehicle to be detected according to the acquisition of radio-frequency antenna 11, determine the mark of vehicle to be detected
Know information, and the identification information of vehicle to be detected is sent to industrial control host 4.And then, the detection frame that industrial control host 4 is subsequently obtained
Include the wheel information of this vehicle to be detected.
Optionally, the wheel diameters detecting system that radio-frequency antenna 11 and the composition the present embodiment of radio frequency identification main frame 12 are provided
Identification module.
Fig. 2 is the usage scenario schematic diagram of wheel diameters detecting system embodiment one of the present invention.In order to more figuratively
The wheel diameters detecting system that bright the present embodiment is provided, the car provided when entering garage 13 to train 7 below using the present embodiment
The usage scenario that size of wheel detecting system carries out wheel diameters detection is illustrated.
When train 7 enters the track in the range of the microwave signal that radio-frequency antenna 11 is launched, identification module is triggered startup,
Radio-frequency antenna 11 can recognize the vehicle tag 8 entrained by train 7, and it is corresponding to decode train 7 by radio frequency identification main frame 12
Identification information, obtains the electronic labeling information of train 7.For example：Train number etc., and by the corresponding identification information of train 7 send to
Industrial control host 4, industrial control host 4 is preserved to the corresponding identification information of train 7 so that subsequently to wheel diameters detection information pair
Should be in train 7.
Optionally, the vehicle tag 8 carried above by train 7 decodes the process of the electronic labeling information of train 7, may be used also
To be carried out by the way of camera scanning.It should be noted that the identification information of decoding train 7 is not limited to the above method, also
Can be other achievable any modes in this area.
When train 7 passes through axial sensor 9 when entering garage 13, the axial sensor of information acquisition module can be triggered
9 enter working condition by holding state, for monitoring whether the wheel of train 7 to passing through.When the wheel for monitoring train 7 passes through
When, output voltage analog signal.Digital I/O cards 10 gather above-mentioned voltage analog signal, can be by the way that voltage analog signal is turned
Turn to digital square-wave.And the synchronizing signal that digital square-wave works as laser displacement sensor.CAN capture cards 3
The detection frame that each laser displacement sensor is obtained is gathered respectively, and detection frame is respectively sent to the industry control of message processing module
Main frame 4.Industrial control host 4 is handled above-mentioned detection frame, to obtain the wheel diameters of train 7, and then evaluates the abrasion of wheel
State.
The detecting system for the wheel diameters that the present embodiment is provided, the laser displacement of the same side by being arranged on single-sided tracks
Sensor and be symmetricly set on single-sided tracks both sides laser displacement sensor transmitting lasing area, lasing area be used for it is to be detected
The wheel of vehicle intersects, and joining or intersecting lens are expressed with coordinate information, and then obtains the detection frame for including coordinate information, most
The online processing that industrial control host carries out detection frame is reached afterwards.Further, the wheel of vehicle to be detected is obtained according to coordinate information
Profile circle radius and/or vehicle to be detected wheel profile circle the center of circle and vehicle to be detected wheel wheel rim
The thickness of height and/or wheel rim.It is thus possible in line computation and detect the wheel of vehicle to be detected when vehicle to be detected is put in storage
Profile circle abrasion information and wheeling edge wearing information, improve wheel diameters detection efficiency.
Fig. 3 is the schematic flow sheet of wheel diameters detection method embodiment two of the present invention.Wheel diameters detection shown in Fig. 3
The industrial control host 4 that the executive agent of method provides for above-described embodiment, the present embodiment is carried out on the basis of embodiment one.
The wheel diameters detection method provided with reference to Fig. 3, the present invention, including：
Step 101：The measuring car to be checked that at least five laser displacement sensors are detected under synchronizing signal effect is obtained respectively
Wheel coordinate information, the coordinate information is corresponding with frame number, wherein, it is described that every laser displacement sensor is sent
Frame number is corresponding with the detection order of laser displacement sensor every described, and the laser displacement sensor is with prefixed time interval
Detected, wherein, the coordinate information includes：First kind coordinate information and Equations of The Second Kind coordinate information.
The coordinate information that industrial control host 4 obtains the vehicle to be detected of laser displacement sensing detection includes：It is arranged on unilateral rail
What the laser displacement sensor 1 of the same side in road and the laser displacement sensor 2 for the both sides for being symmetricly set on single-sided tracks were obtained
Detection frame.
Fig. 4 is another schematic flow sheet of wheel diameters detection method embodiment two of the present invention, is that the acquisition of industrial control host 4 is treated
Detect the implementation of the coordinate information of the wheel of vehicle.With reference to Fig. 4：
Step 1011：The detection frame that at least five laser displacement sensors described in receiving are sent, wherein, the detection frame is
The laser displacement sensor carries out detection acquisition with prefixed time interval.
Specifically, laser displacement sensing is under control of the synchronization signal, carry out being detected with prefixed time interval
Frame.It should be noted that because every laser displacement sensor obtains detection frame in the presence of synchronizing signal, so, often
The detection frame number that platform laser displacement sensor is obtained is identical.In the present embodiment, M is the detection frame of every laser displacement sensor
Number, M is positive integer.
Step 1012：The first matrix is obtained, wherein, it is same that every a line of first matrix is correspondingly arranged at single-sided tracks
The detection frame that one laser displacement sensor of side is sent.
Specifically, the number that the laser displacement sensor 1 of the same side of single-sided tracks is arranged in the present embodiment is with 3
Example, then the first matrix is made up of the 3 row M detection frames arranged.It is worth noting that, the detection frame in the first matrix includes effective detection
Frame and invalid frame, wherein, when the lasing area of laser displacement sensor transmitting does not intersect with wheel, do not include coordinate in detection frame
Information, forms invalid frame.
Step 1013：The row where invalid frame in first matrix are removed, the second matrix is obtained, wherein, it is described invalid
Frame is the detection frame for not including coordinate information.
Specifically, every laser displacement sensor is possible to get the situation of invalid frame during actually detected, will
All detection frames at the time of every laser displacement sensor gets invalid frame are removed, and obtain the 3 row N for not including invalid frame
Second matrix of row, wherein N is the positive integer equal to or less than M.Second matrix is namely arranged on the same side of single-sided tracks
Laser displacement sensor 1 effective detection frame.
It should be noted that the acquisition of the second matrix is the laser displacement sensor of the same side for being arranged on single-sided tracks
The mode that can be realized that 1 effective detection frame is obtained.
Optionally, it is as the mode that can be realized of another effective detection frame acquisition：Only when being arranged on unilateral rail
When 3 laser displacement sensors of the same side in road get effective detection frame simultaneously, just sent effectively to industrial control host 4 simultaneously
Detection frame.Certainly, effective detection frame obtains and is not limited to the above method, can also be other achievable any sides in this area
Formula.
Step 1014：It is first kind coordinate information to determine the coordinate information in second matrix.
Wherein, first kind coordinate information is obtained by being arranged on the laser displacement sensor 1 of single-sided tracks the same side, is used for
Obtain radius and the center of circle of each wheel.
Step 1015：It is determined that the laser displacement sensor hair of be arranged on the single-sided tracks both sides at least two
The detection frame sent is Equations of The Second Kind coordinate information.
Wherein, Equations of The Second Kind coordinate information is obtained by being arranged on the laser displacement sensor 2 of the single-sided tracks both sides, is used
In the flange thickness and/or flange height that obtain each wheel.
With reference to Fig. 3 and Fig. 4, industrial control host 4 obtains the first kind coordinate information and Equations of The Second Kind coordinate information of vehicle to be detected
Afterwards, step 102 and step 103 are performed.
Step 102：The corresponding first kind coordinate information of each wheel is obtained according to the frame number；According to each wheel
The first kind coordinate information, obtains the corresponding radius of each wheel and the center of circle.
Step 103：The corresponding Equations of The Second Kind coordinate information of each wheel is obtained according to the frame number；According to each wheel
The Equations of The Second Kind coordinate information, obtains the corresponding flange thickness of each wheel and/or flange height.
Specifically, frame number is corresponding with coordinate information, laser displacement sensor can according to obtain the order of detection frame with
Detection frame is numbered default rule.For example：Detection frame is carried out using 1,2,3 ... M ascending series as frame number
Numbering.Wherein, the frame number of first kind coordinate information can be：1、2、3……N；The frame number of Equations of The Second Kind coordinate information can be with
For：1、2、3……M.
Industrial control host 4 obtains vehicle to be detected according to the frame number of first kind coordinate information and Equations of The Second Kind coordinate information respectively
The corresponding first kind coordinate information of each wheel and Equations of The Second Kind coordinate information, then, for each wheel, according to each wheel
Coordinate information detects the abrasion loss of each wheel in line computation wheel diameters.
The detection method for the wheel diameters that the present embodiment is provided, industrial control host obtains the Equations of The Second Kind coordinate letter of vehicle to be detected
Cease and only include the first kind coordinate information of effective detection frame.And respectively according to first kind coordinate information and Equations of The Second Kind coordinate information
Frame number obtain the corresponding first kind coordinate information of each wheel and Equations of The Second Kind coordinate information of vehicle to be detected, then, pin
To each wheel, according to each wheel coordinate information in line computation wheel diameters, the abrasion loss of each wheel is detected.So that, can
In line computation and to detect the wheel contour circle abrasion information and wheeling edge wearing of vehicle to be detected when vehicle to be detected is put in storage
Information, improves wheel diameters detection efficiency.
Fig. 5 is the schematic flow sheet of wheel diameters detection method embodiment three of the present invention, is industrial control host 4 according to the first kind
The frame number of coordinate information obtains the implementation of the corresponding first kind coordinate information of each wheel, and according to each wheel the
One coordinate information obtains the implementation in the corresponding radius of each wheel and the center of circle.The present embodiment is on the basis of embodiment two
Carry out, with reference to Fig. 5：
After the coordinate information for the wheel that vehicle to be detected is obtained by step 101 industrial control host 4, for the first kind therein
Coordinate information, performs step 1021：The corresponding first kind coordinate information of each wheel is obtained, step 1022 is performed to step
1025：The corresponding radius of each wheel and the center of circle are obtained according to each coordinate information of wheel first.Comprise the following steps that：
Step 1021：According to the size order of the frame number, respectively to being arranged on every institute of single-sided tracks the same side
The frame number for stating the detection frame of laser displacement sensor transmission carries out Difference Calculation with adjacent next frame number, until described
Last detection frame that laser displacement sensor is sent；When the difference value of the Difference Calculation is less than or equal to predetermined threshold value
When, then the two frame numbers corresponding detection frame for carrying out the Difference Calculation belongs to the same wheel of the vehicle to be detected
First kind coordinate information, when the difference value of the Difference Calculation is more than the predetermined threshold value, then next frame number pair
The detection frame answered belongs to the first kind coordinate information of next wheel of the vehicle to be detected.
Wherein, step 1021 be industrial control host 4 by the frame number of first kind coordinate information by way of Difference Calculation, it is right
First kind coordinate information carries out minute wheel processing, and then obtains the corresponding first kind coordinate information of each wheel.
Specifically, to a laser displacement sensor Z being arranged in the laser displacement sensor 1 of single-sided tracks the same side
The first kind coordinate information of acquisition carries out minute wheel processing and illustrated：Obtain the first kind coordinate that laser displacement sensor Z is sent
First frame number of information；Since first frame number, carry out Difference Calculation is carried out between every adjacent frame number, when logical
When crossing the difference value that Difference Calculation obtains and being less than or equal to predetermined threshold value, then two frame numbers this time in Difference Calculation are corresponding
Detection frame belongs to the first kind coordinate information of same wheel；When the difference value obtained by Difference Calculation is more than predetermined threshold value
When, then the corresponding detection frame of second frame number this time in Difference Calculation belongs to the first kind coordinate information of next wheel.
Above-mentioned Difference Calculation process is until the last frame number that correspondence laser displacement sensor Z is sent.Laser sensor Z is completed to send
Minute wheel processing to the detection frame of industrial control host.Obtain the packet of the above-mentioned frame number of P groups, the first kind of P wheel of correspondence
Coordinate information, P is positive integer.
It should be noted that predetermined threshold value and the coding rule of first kind coordinate measurement frame during above-mentioned difference processing
It is related.For different detection frame coding rules, different predetermined threshold values are obtained in difference processing.
Step 1022：Coordinate angle is carried out to the corresponding first kind coordinate information of each wheel of the vehicle to be detected
Degree conversion, the coordinate information that the laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains described each
The corresponding first coordinate transforming information of wheel.
Specifically, the laser displacement sensor 1 for being arranged on the same side of single-sided tracks be provided with from vertical direction it is different
Angle, it is assumed that the laser displacement sensor 1 of the same side of single-sided tracks is is arranged on the inside of track, then by formula (1) by the
One class coordinate information is transformed into corresponding first coordinate transforming information in level-vertical coordinate system.
u(1) i1=x(1) i1cosαj1-y(1) i1sinαj1,v(1) i1=y(1) i1cosαj1+x(1) i1sinαj1 (1)
Wherein, (x(1) i1,y(1) i1) be vehicle to be detected first kind coordinate information, (u(1) i1,v(1) i1) it is first kind coordinate
Information is transformed into corresponding first coordinate transforming information, α in level-vertical coordinate systemj1For the laser of the same side of single-sided tracks
The angle value of displacement transducer 1 and vertical direction, j1 is the number of the laser displacement sensor 1 of the same side of single-sided tracks, this
In embodiment, its value positive integer 1,2 and 3, i1 are having that the laser displacement sensor 1 of the same side of every single-sided tracks is obtained
In effect detection frame number, the present embodiment, its value can be the N of positive integer 1,2,3 ....
The execution sequence of step 1021 and step 1022 is in no particular order.
Step 1023：The corresponding first coordinate transforming information of each wheel to the vehicle to be detected is carried out respectively
Singular value decomposition SVD, obtains the corresponding singular value of each wheel.
Specifically, in the present embodiment, after being handled using minute wheel the number of the corresponding first kind coordinate information of a certain wheel as Q,
Then the corresponding first coordinate transforming information of this wheel can be expressed as (u(1) 1,v(1) 1)、(u(1) 2,v(1) 2)、、、、(u(1) Q,v(1) Q)
Illustrate.
Matrix is obtained according to the corresponding first kind coordinate information of above wheel
Singular value decomposition is carried out to matrix D ata, the corresponding singular values of matrix D ata are obtained.
Step 1024：The first coordinate transforming information is sieved respectively according to the corresponding singular value of each wheel
Choosing, obtains the corresponding first screening coordinate information of each wheel.
Step 1025：Coordinate information is screened according to each wheel corresponding first and obtains the vehicle to be detected respectively
Each corresponding radius of wheel of wheel and the center of circle.
Singular value is obtained based on step 1023 and screens the first coordinate transforming information, the first screening coordinate information, first is obtained
Screening coordinate information at least includes the coordinate information of 3 coordinate points, carries it into round equation X2+Y2+ DX+EY+F=0, and ask
Unknown number D, E and F are solved, wherein the core wheel coordinate of above-mentioned wheel is usedRepresent, radius of wheel is usedRepresent.So as to which the wheel of each wheel can be obtained according to the size of the corresponding radius of wheel of each wheel
Exterior feature circle size, and then evaluate the state of wear of correspondence wheel.
The method for present embodiments providing the profile circle abrasion state for obtaining vehicle to be detected, according to first kind coordinate information
Frame number, will be arranged on single-sided tracks the same side laser displacement sensor send first kind coordinate information carry out minute wheel at
Reason, obtains the corresponding first kind coordinate information of each wheel.Each coordinate information of wheel first is carried out after angular transition, passed through
SVD methods are screened to the first conversion coordinate information, the equation of circle are solved using the coordinate information after screening, and then obtain every
The corresponding radius of individual wheel and the center of circle.So as to which each wheel can be obtained according to the size of the corresponding radius of wheel of each wheel
Profile justifies size, and then evaluates the state of wear of correspondence wheel.
Fig. 6 is the schematic flow sheet of wheel diameters detection method example IV of the present invention, is industrial control host 4 according to Equations of The Second Kind
The frame number of coordinate information obtains the implementation of the corresponding Equations of The Second Kind coordinate information of each wheel, and according to each wheel the
Two coordinate informations obtain the implementation of the height of the wheel rim of each wheel of vehicle to be detected and/or the thickness of wheel rim.This reality
Apply example to carry out on the basis of embodiment three, with reference to Fig. 6：
Obtained by step 101 and step 102 industrial control host 4 wheel of vehicle to be detected Equations of The Second Kind coordinate information and
After the central coordinate of circle information for obtaining each wheel, for Equations of The Second Kind coordinate information, step 1031 is performed：Obtain each wheel correspondence
Equations of The Second Kind coordinate information, perform step 1032 to step 1036：Each wheel is obtained according to each coordinate information of wheel second
The height of corresponding wheel rim and/or the thickness of wheel rim.Comprise the following steps that：
Step 1031：According to the size order of the frame number, respectively to being symmetricly set on the single-sided tracks both sides
The frame number for the detection frame that every laser displacement sensor is sent carries out Difference Calculation with adjacent next frame number, directly
Last detection frame sent to the laser displacement sensor；Preset when the difference value of the Difference Calculation is less than or equal to
During threshold value, then the corresponding detection frame of two frame numbers for carrying out the Difference Calculation belongs to the same car of the vehicle to be detected
The Equations of The Second Kind coordinate information of wheel, when the difference value of the Difference Calculation is more than the predetermined threshold value, then next frame is compiled
Number corresponding detection frame belongs to the Equations of The Second Kind coordinate information of next wheel of the vehicle to be detected.
Wherein, the minute wheel processing procedure that step 1031 is carried out Equations of The Second Kind coordinate information according to frame number, with step 1021
The middle minute wheel processing procedure carried out to first kind coordinate information according to frame number is identical, will not be repeated here.
Step 1032：Obtained respectively according to the corresponding Equations of The Second Kind logo information of each wheel of the vehicle to be detected
The corresponding target tread of each wheel.
Wherein, target tread refers to each wheel that every laser displacement sensor 2 for being arranged on single-sided tracks both sides is sent
The tread minimum with its circle center distance, the corresponding target tread of each wheel at least includes B, and B is equal to or more than 2 just
Even number.
Sent it should be noted that Equations of The Second Kind logo information is the laser displacement sensor 2 for being arranged on single-sided tracks both sides
Detection frame, it is lasing area and wheel to be each arranged on the detection frame that the laser displacement sensors 2 of single-sided tracks both sides sends
Intersection is its effective detection frame, and the effective detection frame of Equations of The Second Kind coordinate information includes one group of intersection coordinate.Then in step 1031
After the processing of Equations of The Second Kind coordinate information minute wheel, for the detection frame of the multiple Equations of The Second Kind coordinate informations of each wheel correspondence.Respectively with
Wherein a certain wheel X is with being arranged on exemplified by wherein one Y of the laser displacement sensor 2 of single-sided tracks both sides, and laser displacement is passed
Sensor Y correspond to wheel X target tread for the corresponding Equations of The Second Kind coordinate informations of wheel X detection frame in, apart from wheel X circle
The nearest effective detection frame of the heart.In the same way, the Equations of The Second Kind obtained corresponding to wheel X other laser displacement sensors is sat
Mark the corresponding target tread of information.The target tread of other wheels is also identical with the acquisition modes of wheel X target tread.
Step 1033：The coordinate information of the corresponding B target tread of each wheel is obtained respectively.
Wherein target tread is detection frame minimum with the circle center distance of corresponding wheel in the second coordinate information, due to invalid
Frame does not include coordinate information, and it is infinity that industrial control host 4, which gives tacit consent to invalid frame with the distance in the corresponding center of circle, and therefore, target tread is
The effective detection frame minimum with the circle center distance of corresponding wheel in second coordinate information, its one group of coordinate information of correspondence, represents one
The intersection of bar lasing area and wheel rim.Also, this effective detection frame and the minimum also explanation correspondence of the circle center distance of corresponding wheel
Lasing area pass through correspondence wheel the center of circle.Therefore, target tread can correspond to the dimension information of wheel rim for reflection.
In order to improve the accuracy for the rim size information for detecting wheel, laser is symmetrical arranged in the inner and outer of wheel
Displacement transducer is detected.For a certain wheel X of vehicle to be detected, swashing for single-sided tracks both sides is pointed at least provided with one
Optical displacement sensor, therefore, is at least 2 corresponding to wheel X target tread.
Step 1034：The coordinate information of the B target tread corresponding to each wheel carries out angle seat respectively
Mark conversion, the coordinate information that the laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains described each
Second coordinate transforming information of the corresponding B target tread of wheel.
Specifically, Fig. 7 is another schematic diagram of wheel diameters detection method example IV of the present invention, it is to be detected with reference to Fig. 7
When vehicle passes through, the laser displacement sensor 2 for being arranged on single-sided tracks both sides is namely arranged on inner side and the wheel of wheel 14
14 outside, laser displacement sensor is provided with different angles from vertical direction, by formula (2) by coordinate system xioyiInterior
Equations of The Second Kind coordinate information is transformed into level-vertical coordinate system U on the inside of trackioViInterior corresponding second coordinate transforming information, leads to
Formula (3) is crossed by coordinate system xooyoInterior Equations of The Second Kind coordinate information is transformed into level-vertical coordinate system U on the outside of trackooVoIt is interior
Corresponding second coordinate transforming information.
u(2) i2=x(2) i2cosβj2-y(2) i2sinβj2,v(2) i2=y(2) i2cosβj2+x(2) i2sinβj2 (2)
u(2) o2=x(2) o2cosβj2+y(2) o2sinβj2,v(2) o2=y(2) o2cosβj2-x(2) o2sinβj2 (3)
Wherein, (x(2) i2,y(2) i2)、(x(2) o2,y(2) o2) it is respectively by being arranged on the inside of single-sided tracks and on the outside of single-sided tracks
Laser displacement sensor obtain vehicle to be detected the corresponding Equations of The Second Kind coordinate information of each wheel, (u(2) i2,v(2) i2) level-vertical coordinate system U on the inside of track is transformed into for Equations of The Second Kind coordinate informationioViInterior corresponding second coordinate transforming
Information, (u(2) o2,v(2) o2) level-vertical coordinate system U on the outside of track is transformed into for Equations of The Second Kind coordinate informationooVoIt is interior corresponding
Second coordinate transforming information, βj2For the angle value of the laser displacement sensor 2 and vertical direction of the both sides of single-sided tracks, this implementation
Example in, j2 for single-sided tracks both sides laser displacement sensor 2 number, can with value positive integer 1 ... B, i2 be every
The effective detection frame number that the laser displacement sensor 2 of the both sides of single-sided tracks is obtained, can be using value as positive integer 1,2,3 ...
M。
Step 1035：Respectively by the second coordinate transforming information fusion of B target tread of each wheel correspondence to same
In one coordinate system, the corresponding second fusion coordinate information of each wheel is obtained.
Due to by being arranged on the sensor of single-sided tracks both sides for symmetrically, then the second coordinate transforming information is also in pairs
In two coordinate systems of the both sides of single-sided tracks.In order to further improve detection wheel rim size information it is accurate
Degree, the two target treads that need to obtain the sensor for being symmetrically arranged on single-sided tracks both sides in pairs are fused to the same coordinate system
In, with the fitting for the wheel tread curve for carrying out correspondence wheel.
It is used as a kind of coordinate amalgamation mode that can be realized：By taking a certain wheel X of vehicle to be detected as an example, by symmetrical in pairs
Be arranged on single-sided tracks both sides sensor obtain two target treads of wheel X be LiWith target tread Lo, wherein, target
Tread is LiTo be obtained by being symmetrically arranged on the sensor on the inside of single-sided tracks in pairs, rail is located at after the second coordinate transform
Level-vertical coordinate system U on the inside of roadioViIn curve, target tread be LoFor by being symmetrically arranged on single-sided tracks in pairs
The sensor in outside is obtained, and level-vertical coordinate system U on the outside of track is located at after the second coordinate transformooVoIn curve.
Need to be by the level on the inside of track-vertical coordinate system UioViIn target tread be LiWith the level on the outside of track-vertical coordinate system
UooVoMiddle target tread LoIt is fused to respectively by formula (4) and formula (5) in the same coordinate system in UOV：
u(2)=u(2) i2+a,v(2)=v(2) i2+b (4)
u(2)=u(2) o2+c,v(2)=v(2) o2+d (5)
(u(2) i2,v(2) i2)、(u(2) o2,v(2) o2) it is respectively that target tread is LiWith target tread LoCoordinate information, (u(2),v(2)) target tread be LiWith target tread LoCoordinate information be fused to the same coordinate system UOV second fusion coordinate letter
Breath, a, b are respectively that target tread is LiCoordinate information (u(2) i2,v(2) i2) it is fused to abscissa increment when in coordinate system UOV
And latitude, c, d are respectively that target tread is LoCoordinate information (u(2) o2,v(2) o2) be fused to when in coordinate system UOV
Abscissa increment and latitude.
Optionally, the coordinate amalgamation mode that can be realized as other, by the level on the outside of track-vertical coordinate system UooVo
In target tread coordinate information be fused to level on the inside of track-vertical coordinate system UioVi.Accordingly, can also be by track
The level of side-vertical coordinate system UioViIn target tread coordinate information be fused to level on the outside of track-vertical coordinate system
UooVo。
Step 1036：Coordinate information is merged to each wheel corresponding second to carry out curve fitting, obtain institute respectively
State the corresponding wheel tread curve of each wheel.
Fig. 8 is the another schematic diagram of wheel diameters detection method example IV of the present invention, with reference to stepping in the curve in Fig. 8
The part of face 16 is the second fusion coordinate information (u according to coordinate system UOV in step 1035(2),v(2)) obtained curve is fitted, be
The wheel tread curve of correspondence wheel.
Step 1037：According to wheel rim with stepping on relation of plane, the thickness of the wheel rim corresponding to each wheel is calculated respectively
And/or the height of wheel rim.
With reference to the curve shown in Fig. 8, the contour line of wheel shaft section is the vertical surface curve in the wheel center of circle, by tread
16 and the two parts of wheel rim 15 composition, contact portion of the vehicle wheel rolling presses on rail is referred to as tread 16, and the inner side of wheel tread 16 has one
Circumferentially the flange of projection is referred to as wheel rim 15.Apart from L1 it is point O at 70 millimeters on tread 16 apart from the inner side datum line of wheel rim 15
It is referred to as datum mark.Height between datum mark O and wheel rim 15 is referred to as the high H of wheel rim, and datum mark O extended distances L2 is at 10 millimeters
The thickness of wheel rim 15 is referred to as wheel rim thickness W.Cross datum mark O, a diameter of wheel footpath in the wheel section of vertical water horizontal line.For example：For
Municipal rail train frequently with 840 millimeters of standard wheels, it is general between 750 millimeters to 850 millimeters with wheel footpath, and it is with wheel
Edge is thick general between 20 millimeters to 35 millimeters, and wheel rim is high general between 25 millimeters to 35 millimeters.
According to the relation of wheel rim 15 in above-mentioned wheel and tread 16, each wheel corresponding to vehicle to be detected is calculated respectively
Wheel rim thickness and/or the height of wheel rim.
The method for present embodiments providing the wheeling edge wearing state for obtaining vehicle to be detected, according to Equations of The Second Kind coordinate information
Frame number, the Equations of The Second Kind coordinate information that the laser displacement sensor for being arranged on single-sided tracks both sides is sent carries out minute wheel processing,
Obtain the corresponding Equations of The Second Kind coordinate information of each wheel.The corresponding target tread of each wheel is obtained, each wheel target is stepped on
The corresponding coordinate information in face is carried out after angular transition, and the corresponding target tread of each bus or train route is caused by way of coordinate is merged
Coordinate information is fused in same coordinate system, and the wheel tread curve of correspondence wheel is fitted using the coordinate information after fusion, according to
Wheel rim calculates the thickness and/or wheel rim of the wheel rim of each wheel corresponding to vehicle to be detected with stepping on relation of plane, respectively
Height.So as to which correspondence car can be evaluated by the size of the thickness of the corresponding wheel rim of each wheel and the height of wheel rim
The wheel wear state of wheel.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of wheel diameters detecting system, it is characterised in that including：
The laser displacement sensor of the same side of single-sided tracks is arranged on, the laser displacement of the both sides of single-sided tracks is symmetricly set on
Sensor, controller local area network's CAN capture cards and industrial control host, wherein, described the same side for being arranged on single-sided tracks swash
The number of Optical displacement sensor is at least 3, the number of the laser displacement sensor of the both sides for being symmetricly set on single-sided tracks
At least 2；
The laser displacement sensor is used for the coordinate information for obtaining the wheel of vehicle to be detected, and is sent out to the CAN capture cards
Send the coordinate information of the wheel of the vehicle to be detected；The CAN capture cards are used to receive the laser displacement sensor acquisition
The vehicle to be detected wheel coordinate information, and send to the industrial control host seat of the wheel of the vehicle to be detected
Mark information；The industrial control host is used for the coordinate information of the wheel according to the vehicle to be detected, obtains the size of the wheel.
2. system according to claim 1, it is characterised in that also include：
Numeral input/output I/O cards, for sending synchronizing signal to the laser displacement sensor, to control the laser to move
Level sensor carries out the collection of coordinate information according to the synchronizing signal.
3. system according to claim 2, it is characterised in that also include：
Axial sensor, for detecting whether there is the vehicle storage to be detected, is put in storage when detecting the vehicle to be detected, to
The digital I/O cards output voltage analog signal, to indicate that the vehicle to be detected is put in storage, triggers the digital I/O cards generation
The synchronizing signal.
4. system according to claim 3, it is characterised in that also include：
Radio frequency identification main frame and radio-frequency antenna, the radio-frequency antenna are arranged on the inside of track；For obtaining the vehicle to be detected
Electronic labeling information；
The radio frequency identification main frame is used for the electronic labeling information of the vehicle to be detected obtained according to the radio-frequency antenna, really
The identification information of the fixed vehicle to be detected, and the identification information of the vehicle to be detected is sent to the industrial control host.
5. a kind of wheel diameters detection method, it is characterised in that including：
The seat of the wheel for the vehicle to be detected that at least five laser displacement sensors are detected under synchronizing signal effect is obtained respectively
Information is marked, the coordinate information is corresponding with frame number, wherein, the frame number of every laser displacement sensor transmission and every
The detection order of the laser displacement sensor is corresponding, and the laser displacement sensor is detected with prefixed time interval, its
In, the coordinate information includes：First kind coordinate information and Equations of The Second Kind coordinate information, the first kind coordinate information is by setting
At least three laser displacement sensors in single-sided tracks the same side are obtained, radius and circle for obtaining each wheel
The heart；The Equations of The Second Kind coordinate information is sensed by least two that are symmetricly set on the single-sided tracks both sides laser displacements
Device is obtained, flange thickness and/or flange height for obtaining each wheel；
The corresponding first kind coordinate information of each wheel is obtained according to the frame number；Sat according to the first kind of each wheel
Information is marked, the corresponding radius of each wheel and the center of circle is obtained；
The corresponding Equations of The Second Kind coordinate information of each wheel is obtained according to the frame number；Sat according to the Equations of The Second Kind of each wheel
Information is marked, the corresponding flange thickness of each wheel and/or flange height is obtained.
6. method according to claim 5, it is characterised in that at least five laser displacement sensor detections of the acquisition
The coordinate information of the wheel of vehicle to be detected, including：
The detection frame that at least five laser displacement sensors described in receiving are sent, wherein, the detection frame is the laser displacement
Sensor carries out detection acquisition with prefixed time interval；
The first matrix is obtained, wherein, every a line of first matrix is correspondingly arranged at a laser of single-sided tracks the same side
The detection frame that displacement transducer is sent；
The row where invalid frame in first matrix are removed, the second matrix is obtained, wherein, the invalid frame is comprising coordinate
The detection frame of information；
It is first kind coordinate information to determine the coordinate information in second matrix；
It is determined that the detection frame that the laser displacement sensor of be arranged on the single-sided tracks both sides at least two is sent is
Equations of The Second Kind coordinate information.
7. method according to claim 5, it is characterised in that described corresponding according to each wheel of frame number acquisition
First kind coordinate information, including：
According to the size order of the frame number, every laser displacement for being arranged on single-sided tracks the same side is sensed respectively
The frame number for the detection frame that device is sent carries out Difference Calculation with adjacent next frame number, until the laser displacement sensor
Last detection frame sent；When the difference value of the Difference Calculation is less than or equal to predetermined threshold value, then the difference is carried out
It is divided to the corresponding detection frame of two frame numbers calculated to belong to the first kind coordinate information of the same wheel of the vehicle to be detected,
When the difference value of the Difference Calculation is more than the predetermined threshold value, then the corresponding detection frame of next frame number belongs to institute
State the first kind coordinate information of next wheel of vehicle to be detected.
8. method according to claim 7, it is characterised in that the first kind coordinate letter of each wheel of basis
Breath, obtains the corresponding radius of each wheel and the center of circle, including：
Coordinate angular transformation is carried out to the corresponding first kind coordinate information of each wheel of the vehicle to be detected, will be described
The coordinate information that laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains each wheel corresponding the
One coordinate transforming information；
The corresponding first coordinate transforming information of each wheel to the vehicle to be detected carries out singular value decomposition respectively
SVD, obtains the corresponding singular value of each wheel；
The first coordinate transforming information is screened respectively according to the corresponding singular value of each wheel, each car is obtained
Take turns corresponding first screening coordinate information；
Coordinate information is screened according to each wheel corresponding first and obtains each wheel correspondence of the vehicle to be detected respectively
Radius of wheel and the center of circle.
9. method according to claim 5, it is characterised in that described corresponding according to each wheel of frame number acquisition
Equations of The Second Kind coordinate information, including：
According to the size order of the frame number, respectively to being symmetricly set on every laser position of the single-sided tracks both sides
The frame number for the detection frame that displacement sensor is sent carries out Difference Calculation with adjacent next frame number, until the laser displacement
Last detection frame that sensor is sent；When the difference value of the Difference Calculation is less than or equal to predetermined threshold value, then carry out
The Equations of The Second Kind that the corresponding detection frame of two frame numbers of the Difference Calculation belongs to the same wheel of the vehicle to be detected is sat
Information is marked, when the difference value of the Difference Calculation is more than the predetermined threshold value, then the corresponding detection of next frame number
Frame belongs to the Equations of The Second Kind coordinate information of next wheel of the vehicle to be detected.
10. method according to claim 9, it is characterised in that the Equations of The Second Kind coordinate letter of each wheel of basis
Breath, obtains the corresponding flange thickness of each wheel and/or flange height, including：
Each wheel is obtained according to the corresponding Equations of The Second Kind logo information of each wheel of the vehicle to be detected respectively
Corresponding target tread, wherein, the target tread refers to every laser displacement for being arranged on the single-sided tracks both sides and passed
The tread minimum with its circle center distance for each wheel that sensor is sent, the corresponding target tread of each wheel at least includes
B, B is the positive even numbers equal to or more than 2；
The coordinate information of the corresponding B target tread of each wheel is obtained respectively；
The coordinate information of the B target tread corresponding to each wheel carries out angle coordinate conversion respectively, will be described
The coordinate information that laser displacement sensor is sent is transformed into level-vertical coordinate system, obtains each wheel corresponding B
Second coordinate transforming information of target tread；
Respectively by the second coordinate transforming information fusion to the same coordinate system of B target tread of each wheel correspondence, obtain
Coordinate information is merged to each wheel corresponding second；
Coordinate information is merged to each wheel corresponding second to carry out curve fitting, obtain each wheel correspondence respectively
Wheel tread curve；
According to wheel rim with stepping on relation of plane, the thickness and/or the height of wheel rim of the wheel rim corresponding to each wheel are calculated respectively
Degree.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353372A (en) * | 2018-08-31 | 2019-02-19 | 南京理工大学 | A kind of tramcar wheelset profile on-line monitoring system and method |
| CN109406176A (en) * | 2018-12-30 | 2019-03-01 | 杭州翰融智能科技有限公司 | A kind of wheel hub error detection method and equipment |
| CN110849280A (en) * | 2019-12-02 | 2020-02-28 | 中国科学院长春光学精密机械与物理研究所 | Wheel measuring equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831050Y (en) * | 2005-11-01 | 2006-10-25 | 中北大学 | Precision displacement sensor based on blue laser |
| CN1899904A (en) * | 2005-07-20 | 2007-01-24 | 广州复旦奥特科技股份有限公司 | Online detection mthod and device for train wheel pair size |
| CN102880086A (en) * | 2012-10-22 | 2013-01-16 | 北京航空航天大学 | Device and method for controlling dynamic measurement of geometric parameters of train wheel set |
| CN102901457A (en) * | 2012-10-18 | 2013-01-30 | 北京航空航天大学 | Dynamic measurement method and system for train wheel diameter |
| CN103307982A (en) * | 2013-06-24 | 2013-09-18 | 南京理工大学 | On-line monitoring device for dimensions of wheel sets |
| CN103587551A (en) * | 2013-11-11 | 2014-02-19 | 南京理工大学 | Device and method for detecting urban rail vehicle wheel diameters through straight line vertical installation of sensors |
| CN104658103A (en) * | 2015-02-03 | 2015-05-27 | 中钞长城金融设备控股有限公司 | Device for counting sheet materials falling in bin based on ranging principle |
| CN105043248A (en) * | 2015-04-29 | 2015-11-11 | 南京理工大学 | Device and method for measuring urban rail wheel parameters based on laser displacement sensor |
| CN205246010U (en) * | 2015-12-21 | 2016-05-18 | 成都安科泰丰科技有限公司 | Rail vehicle wheel detection device |
| CN105946898A (en) * | 2016-05-27 | 2016-09-21 | 南京理工大学 | City rail train wheel diameter detection method and system based on laser ranging |
| CN106091951A (en) * | 2016-05-27 | 2016-11-09 | 南京理工大学 | A kind of municipal rail train wheel rim parameter on-line detecting system and method |
| CN205879131U (en) * | 2016-06-14 | 2017-01-11 | 苏州华兴致远电子科技有限公司 | Three -dimensional train image acquisition system based on ballastless track |
-
2017
- 2017-04-28 CN CN201710294359.8A patent/CN107101585A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1899904A (en) * | 2005-07-20 | 2007-01-24 | 广州复旦奥特科技股份有限公司 | Online detection mthod and device for train wheel pair size |
| CN2831050Y (en) * | 2005-11-01 | 2006-10-25 | 中北大学 | Precision displacement sensor based on blue laser |
| CN102901457A (en) * | 2012-10-18 | 2013-01-30 | 北京航空航天大学 | Dynamic measurement method and system for train wheel diameter |
| CN102880086A (en) * | 2012-10-22 | 2013-01-16 | 北京航空航天大学 | Device and method for controlling dynamic measurement of geometric parameters of train wheel set |
| CN103307982A (en) * | 2013-06-24 | 2013-09-18 | 南京理工大学 | On-line monitoring device for dimensions of wheel sets |
| CN103587551A (en) * | 2013-11-11 | 2014-02-19 | 南京理工大学 | Device and method for detecting urban rail vehicle wheel diameters through straight line vertical installation of sensors |
| CN104658103A (en) * | 2015-02-03 | 2015-05-27 | 中钞长城金融设备控股有限公司 | Device for counting sheet materials falling in bin based on ranging principle |
| CN105043248A (en) * | 2015-04-29 | 2015-11-11 | 南京理工大学 | Device and method for measuring urban rail wheel parameters based on laser displacement sensor |
| CN205246010U (en) * | 2015-12-21 | 2016-05-18 | 成都安科泰丰科技有限公司 | Rail vehicle wheel detection device |
| CN105946898A (en) * | 2016-05-27 | 2016-09-21 | 南京理工大学 | City rail train wheel diameter detection method and system based on laser ranging |
| CN106091951A (en) * | 2016-05-27 | 2016-11-09 | 南京理工大学 | A kind of municipal rail train wheel rim parameter on-line detecting system and method |
| CN205879131U (en) * | 2016-06-14 | 2017-01-11 | 苏州华兴致远电子科技有限公司 | Three -dimensional train image acquisition system based on ballastless track |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353372A (en) * | 2018-08-31 | 2019-02-19 | 南京理工大学 | A kind of tramcar wheelset profile on-line monitoring system and method |
| CN109406176A (en) * | 2018-12-30 | 2019-03-01 | 杭州翰融智能科技有限公司 | A kind of wheel hub error detection method and equipment |
| CN110849280A (en) * | 2019-12-02 | 2020-02-28 | 中国科学院长春光学精密机械与物理研究所 | Wheel measuring equipment |
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