CN108761477A - A kind of contactless catenary's parameters harvester, measuring system and its measurement method using digital laser technology - Google Patents
A kind of contactless catenary's parameters harvester, measuring system and its measurement method using digital laser technology Download PDFInfo
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/46—Indirect determination of position data
- G01S17/48—Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves
Abstract
The present invention relates to rail-contacting net detection device technical fields, disclose a kind of contactless catenary's parameters harvester, measuring system and its measurement method using digital laser technology.It creates through the invention, it can be in the case where not stopping data collecting vehicle, on the one hand according to catenary mast bar recognition result and the real-time range of driving, automatically determine the bar number of immediate catenary mast bar, another party can be combined with laser scanner, track gauge sensor and obliquity sensor, calculate the catenary's parameters for obtaining and including contact line conducting wire stagger and conductor height etc., and data storage can be carried out automatically, data are shown and abort situation is found by data over run detection, detection efficiency is further increased, and saves the time and reduces human cost.In addition, playing back software systems by built-in measurement data, it can also realize and the application purposes such as data readback, data analysis and data correction are carried out to measurement data, it is ensured that the automation of later data analysis.
Description
Technical field
The invention belongs to rail-contacting net detection device technical fields, and in particular to a kind of using the non-of digital laser technology
Contact catenary's parameters harvester, measuring system and its measurement method.
Background technology
In recent years, China railways development is swift and violent, is the comprehensive fortune of a measurement among China Railway production process safely
The mostly important index of quality is sought, traditional data-detection apparatus is difficult to adapt to the security developments of high ferro, general iron and subway etc.
Demand, wherein (it is the power transmission line for the special shape powered to electric locomotive that downline overhead is set up for contact net
Road is mainly made of contact suspension, support device, positioning device, strut rod and several parts of immobilizing foundation, wherein contact suspension
Including contact line, dropper, carrier cable and union piece and insulator, contact suspension is erected at by support device on pillar,
Its function is the electrical energy transportation that will be obtained from traction substation to electric locomotive) multi-parameter detection, such as contact net
Conducting wire stagger (including non-branch), conductor height, carrier cable (away from rail level distance), at overlap, it is dropper, span, gauge, outer
Rail superelevation, side limit, the conducting wire gradient (position positioning between difference in height), height difference (positioning with dropper, dropper and dropper it
Between conductor height it is poor), line trouble (away from line branch off both ends horizontal distance two conducting wires at 500mm and 800mm difference in height), dropper it is long
The detection of the parameters such as degree and bar number, this problem are particularly evident.
It is current domestic generally use it is (such as portable based on dot laser, the portable Contact Line Detection equipment of infrared technology
The wave contant net measuring instruments such as formula gauging rule) to carry out manual measurement to contact net multi-parameter, i.e., it is set by portable Contact Line Detection
For when moving to catenary mast bar position, contact net measuring multiple parameters are carried out in accordance with the following steps：(1) strut rod is first determined
Bar number；(2) it squats down again and is placed into contact with net measuring instrument, the position of measuring instrument is adjusted according to the position of locator；(3) measurement is placed
Instrument and then measurement camera lens need to be adjusted, detection hot spot is made to get in contact line；(4) it clicks and confirms on measuring instrument, read number
According to.Thus many times will be wasted, project progress is influenced greatly, to delay the duration.Simultaneously because railway maintenance is all in skylight
Point, the skylight point time is of short duration, lean on traditional detection means, can further result in measure catenary's parameters time-consuming, efficiency it is low and
It is difficult to adapt to social development demand, is developed rapidly especially with China railways cause, mileage number is continuously increased, railway construction
New line is checked and accepted and maintenance repair workload sharply increases.
Invention content
In order to solve, Data Detection the degree of automation in the presence of the prior art is poor, efficiency is low and what is wasted time asks
Topic, present invention aims at provide a kind of contactless catenary's parameters harvester using digital laser technology, measure to be
System and its measurement method.
The technical solution adopted in the present invention is：
A kind of contactless catenary's parameters harvester using digital laser technology, including data collecting vehicle, first
Laser distance sensor, the first differential circuit unit, first singlechip processing circuit unit, pulse coder, clock pulses hair
Raw circuit unit, the direction of motion differentiate circuit unit, reversible counting circuit unit, second singlechip processing circuit unit and output
Interface circuit unit, wherein the number of the first laser range sensor is two and is separately mounted to the data acquisition
The direction of travel both sides of vehicle, and their laser transmitting-receiving direction is made to be respectively perpendicular upward, the pulse coder is mounted on described
In the traveling wheel shaft of data collecting vehicle；
The output switch parameter end of the first laser range sensor is electrically connected the input of the first differential circuit unit
End, the output end of the first differential circuit unit are electrically connected the input terminal of the first singlechip processing circuit unit, constitute
Catenary mast bar recognition result data acquire branch；
The A phase signals output end of the pulse coder, the B phase signals output end of the pulse coder and the clock
The output end of pulse generating circuit unit is electrically connected three input terminals that the direction of motion differentiates circuit unit, the fortune
The output end of dynamic directional interpreting circuit unit is electrically connected the input terminal of the reversible counting circuit unit, the reversible counting circuit
The output end of unit is electrically connected the input terminal of the second singlechip processing circuit unit, constitutes range of driving data and acquires branch；
The output of the output end of the first singlechip processing circuit unit and the second singlechip processing circuit unit
End is electrically connected the output interface circuit unit.
Optimization, further include second laser range sensor, A/D sample circuits unit, digital filter circuit unit and/or
Gate circuit unit, wherein the number of the second laser range sensor is two and is also respectively installed at the data acquisition
The direction of travel both sides of vehicle, and their laser transmitting-receiving direction is made to be respectively perpendicular upward；
The analog output end of the second laser range sensor is electrically connected the input of the A/D sample circuits unit
End, the output end of the A/D sample circuits unit are electrically connected the input terminal of the digital filter circuit unit, the digital filtering
The output end of the output end of circuit unit and the first differential circuit unit is electrically connected the two of the OR circuit unit
A input terminal, the output end of the OR circuit unit are electrically connected the input terminal of the first singlechip processing circuit unit.
It advanced optimizes, further includes manual key and the second differential circuit unit, wherein the manual key is mounted on
In the data collecting vehicle；
The output end of the manual key is electrically connected the input terminal of the second differential circuit unit, the second differential electricity
The output end of road unit is electrically connected the third input terminal of the OR circuit unit.
Optimization, further include that speed counts circuit unit and third microcontroller processing circuit unit, wherein the third list
The output end of piece machine processing circuit unit is electrically connected the output interface circuit unit；
The direction of motion differentiates that the output end of circuit unit is also electrically connected the input terminal that the speed counts circuit unit,
The output end of the speed counting circuit unit is electrically connected the input terminal of the third microcontroller processing circuit unit, constitutes speed
Data acquire branch.
Optimization, the direction of motion differentiates that circuit unit includes first resistor R1, second resistance R2, the first diode
D1, the second diode D2, third diode D3, the 4th diode D4, the first NAND gate U1, the second NAND gate U2, third with it is non-
Door U3, the A phase input terminals Pin_A for being electrically connected the A phase signals output end, for being electrically connected the B phase signals output end
B phase input terminal Pin_B and clock pulse input terminal for being electrically connected the clock circuit unit output end
Time；
The A phases input terminal Pin_A is electrically connected the first end of the first resistor R1, the second end of the first resistor R1
It is electrically connected the first input end of the first NAND gate U1, the second input terminal of the first NAND gate U1 is electrically connected the clock
Pulse input end Time；
The B phases input terminal Pin_B is electrically connected the first end of the second resistance R2, the second end of the second resistance R2
It is electrically connected the first input end of the second NAND gate U2, the second output terminal of the second NAND gate U2 is electrically connected 3rd resistor
The second end of the first end of R3, the 3rd resistor R3 is electrically connected DC voltage；
The output end of the output end of the first NAND gate U1 and the second NAND gate U2 are electrically connected the third
The output end of two input terminals of NAND gate U3, the third NAND gate U3 differentiates the defeated of circuit unit as the direction of motion
Outlet Pout；
The first input end of the second NAND gate U2 is also electrically connected the cathode and described second of the first diode D1
The output end of the anode of diode D2, the third NAND gate U3 is also electrically connected cathode and the institute of the third diode D3
State the anode of the 4th diode D4, the anode of the anode of the first diode D1 and the third diode D3 are grounded respectively,
The cathode of the second diode D2 and the cathode of the 4th diode D4 are electrically connected the DC voltage.
Advanced optimize, the first resistor R1 second end and the first NAND gate U1 first input end it
Between be also in series with discriminating direction boot leg, wherein the discriminating direction boot leg include the 4th resistance R4, the 5th resistance
R5, the 5th diode D5, the 6th diode D6, capacitance C1, triode Q1, the 4th NAND gate U4 and startup control signal Pin_
SY；
The second end of the first resistor R1 is electrically connected the first input end of the 4th NAND gate U4, the startup control
Input terminal Pin_SY be electrically connected the first end of the three resistance R3, the cathode of the 5th diode D5 and the described 4th with
The second input terminal of NOT gate U4；
The output end of the 4th NAND gate U4 is electrically connected the anode of the 5th diode D5, the 4th resistance R4
The base stage of first end and the triode Q1, the emitter of the triode Q1 are electrically connected the anode of the 6th diode D6,
The collector of the triode Q1 be electrically connected the 5th resistance R5 first end and the first NAND gate U1 first
Input terminal；
The first end of the second end of the 4th resistance R4, the second end of the five resistance R5 and the capacitance C1 is electric respectively
Connect the DC voltage, the cathode of the second end of the capacitance C1 and the 6th diode D6 are grounded respectively.
Another technical solution of the present invention is：
A kind of contactless catenary's parameters measuring system using digital laser technology, including data center server,
Human-computer interaction device and the foregoing contactless catenary's parameters harvester for using digital laser technology, wherein institute
The input terminal for stating data center server is electrically connected output interface circuit in the contactless catenary's parameters harvester
The output end of unit, the data center server is electrically connected the human-computer interaction device；
The data center server is built-in with to be connect comprising catenary mast bar recognition result data-interface, range of driving data
Mouth, track data library, strut rod locating module and strut rod determining module measuring software system；
The catenary mast bar recognition result data-interface is for importing from first singlechip processing circuit unit
Catenary mast bar recognition result data；
The range of driving data-interface is for importing the range of driving data from second singlechip processing circuit unit；
The track data library includes circuit strut rod number and line name, railroad section, circuit pillar for storing
Foreman's section where bar number, circuit and/or the track data of the affiliated accountability unit of circuit；
The strut rod locating module is for receiving the reality from the catenary mast bar recognition result data-interface
When catenary mast bar recognition result data and real-time range of driving data from the range of driving data-interface after, first according to
Real-time range of driving data, calculate the real-time displacement distance of Current data acquisition truck position to previous determining strut rod position, if institute
It states real-time displacement distance to be within the scope of S-x~S+x, and real-time contact net strut rod recognition result data instruction is current
Identification has strut rod, then judges that the strut rod is effective strut rod, then according to the bar number of previous determining strut rod and
Track data from the track data library determines the bar number of effective strut rod, wherein the bar number includes
Foreman's section and/or line where the circuit strut rod number of corresponding strut rod and the line name of affiliated circuit, railroad section, circuit
The affiliated accountability unit in road, S are the design spacing of catenary mast bar, and x is deviation constant.
Optimization, further include laser scanner, track gauge sensor and the obliquity sensor being mounted in data collecting vehicle,
In, the laser scanning face of the laser scanner be located at the top of the data collecting vehicle and with the walking of the data collecting vehicle
Direction is vertical；
The output end of the laser scanner, the track gauge sensor and the obliquity sensor is electrically connected the number
According to the input terminal of central server；
Measuring software system in the data center server further includes that laser scanner interface, track gauge sensor connect
Mouth, obliquity sensor interface, coordinate system module, demarcating module, compensating module, the judgment module that transfinites, data memory module and
Display interface drive module；
The laser scanner interface is for importing the laser scanning data from laser scanner；
The track gauge sensor interface is for importing the gauge measurement data from track gauge sensor；
The obliquity sensor interface is for importing the inclination angle measurement data from obliquity sensor；
The coordinate system module is used for after receiving the real-time scan data from laser scanner, is swept described in real time
It retouches data and is converted to rectangular co-ordinate by polar coordinates, then real-time scan data is divided according to whether belonging to same barrier
Class, and interference data are filtered out according to the consecutive numbers strong point number of barrier, finally according to remaining and about contact line conducting wire
Real-time scan data, obtain the real-time conducting wire stagger of contact line conducting wire and real-time conductor height；
The demarcating module is used in calibrating parameters, is calculated according to automatic measurements and manual measurement value and is added by machinery
The initial error data that work generates；
The compensating module be used for according to from track gauge sensor real-time gauge measurement data, from obliquity sensor
Real-time inclination angle measurement data and the initial error data from demarcating module, respectively to the real-time conducting wire stagger and the reality
When conductor height be modified compensation；
The judgment module that transfinites is for judging whether real-time conducting wire stagger and real-time conductor height transfinite, if it is determined that super
Limit, then will be determined nearest catenary mast bar as fault section bar by strut rod locating module；
The data memory module is used for the bar number determined by strut rod locating module and leading in real time after compensation
Line stagger and real-time conductor height carry out binding storage；
The display interface drive module for drive human-computer interaction device export show newest real-time conducting wire stagger,
Real-time conductor height and bar number, and/or output show real-time conducting wire stagger corresponding with fault section bar, lead in real time
Line height and bar number.
It advanced optimizes, the data center server is also built-in with comprising storage module for reading and writing, line management device, wave
The measurement data playback software systems of graphic data model, graphical interfaces module, command control module and active stack module；
The storage module for reading and writing from local data storage module for reading and writing the bar number and contact that history measures
Network parameters and will modified catenary's parameters be written local data storage module in；
The line management device is used to manage the track data of several track circuits, and corresponding every track circuit, if
There is the curve manager for the track data for being exclusively used in managing the track circuit；
The Wave data model is used to turn the bar number and catenary's parameters of display to be output according to pre-manufactured model
It is changed to the waveform image of exportable display；
The graphical interfaces module is for showing the waveform image from Wave data model, and input by operator's hand
The dynamic operational order generated, wherein the operational order includes to the revision directive of catenary's parameters and/or for adjusting waveform
Image shows the control instruction of content；
The command control module is used to repair catenary's parameters according to the operational order from graphical interfaces module
Just and/or adjustment waveform image display content；
The active stack module is for recording all operational orders and corresponding operation note.
Another technical solution of the present invention is：
A kind of measurement method of the foregoing contactless catenary's parameters measuring system using digital laser technology,
Include the following steps：
S101. the real-time scan data from laser scanner is received, and the real-time scan data is turned by polar coordinates
It is changed to rectangular co-ordinate；
S102. classify to real-time scan data according to whether belonging to same barrier, and according to the continuous of barrier
Data point number filters out interference data, and last remaining real-time scan data is exactly the scan data about contact line conducting wire；
S103. according to remaining real-time scan data, the real-time conducting wire stagger of contact line conducting wire and real-time conducting wire are obtained
Highly；
S104. it is surveyed according to the real-time gauge measurement data from track gauge sensor, the real-time inclination angle from obliquity sensor
Data and the initial error data in mark timing determination are measured, respectively to the real-time conducting wire stagger and the real-time conductor height
It is modified compensation；
S105. determine that corresponding contact line conducting wire is contact line or carrier cable according to real-time conductor height, if occurring two
Contact line, then according to the real-time conducting wire stagger of corresponding contact line and real-time conductor height, calculate separately out two contact lines it
Between real-time parallel spacing and real-time difference in height；
S106. judge whether real-time conducting wire stagger, real-time conductor height, real-time parallel spacing or real-time difference in height surpass
Limit, if it is determined that transfinite, then it will be according to the most proximity of real-time contact net strut rod recognition result data and the determination of real-time range of driving data
Net-fault strut rod is as fault section bar.
Beneficial effects of the present invention are：
(1) the invention provides a kind of novel harvester that can automatically acquire contact net multi-parameter, i.e., not
In the case of stopping data collecting vehicle, catenary mast bar recognition result data acquisition branch automatic collection on the one hand can be utilized to use
In the catenary mast bar recognition result for determining catenary mast bar number, the mobile side of data collecting vehicle on the other hand can be identified
To, and the real-time range of driving of data collecting vehicle is further obtained using range of driving data acquisition branch, and output interface circuit can be passed through
Unit carries out the unified output of multi-parameter, and then can be conducive to together with catenary mast bar recognition result accurately determine immediate
Catenary mast bar number can not only greatly improve detection efficiency, and save the time and reduce human cost, meet growing
Railway new line check and accept and both wired maintenance repair demands, additionally it is possible to it is fixed in time to ensure to carry out newfound fault section
Position；
(2) compatible based on switching value mode, mould by arranging OR circuit unit in the novel harvester
Analog quantity detection mode and manually mode etc. obtain catenary mast bar recognition result, meet different use habits, open up
Open up the scope of application；
(3) the invention additionally provides a kind of Novel measuring system and its survey that can automatically acquire contact net multi-parameter
On the one hand amount method can automatically determine immediate contact net branch according to catenary mast bar recognition result and the real-time range of driving
The bar number of mast, another party can be combined with laser scanner, track gauge sensor and obliquity sensor, calculate acquisition and include
The catenary's parameters of contact line conducting wire stagger and conductor height etc., and data storage can be carried out automatically, data are shown and are led to
Data over run detection is crossed to find abort situation, further increases detection efficiency, and saves the time and reduces human cost；
(5) it by the built-in measurement data playback software systems in Novel measuring system, can also realize to measurement data
Carry out the application purposes such as data readback, data analysis and data correction, it is ensured that the automation of later data analysis；
(6) harvester and measuring system are also with safe and reliable, acquisition precision is high, is easy to debugging, circuit structure
The advantages that simple and at low cost, is convenient for practical promotion and application.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of data collecting vehicle provided by the invention.
Fig. 2 is the circuit structure principle signal of the first contactless catenary's parameters harvester provided by the invention
Figure.
Fig. 3 is the circuit diagram that the direction of motion provided by the invention differentiates circuit unit.
Fig. 4 is the first waveform diagram of node each when data collecting vehicle forward direction is walked provided by the invention.
Fig. 5 is the first waveform diagram of node each when data collecting vehicle is inversely walked provided by the invention.
Fig. 6 is provided by the invention to differentiate circuit unit output end and just/reverse row within the unit interval in the direction of motion
Waveform comparison schematic diagram when walking.
Fig. 7 is second of waveform diagram of node each when data collecting vehicle forward direction is walked provided by the invention.
Fig. 8 is second of waveform diagram of node each when data collecting vehicle is inversely walked provided by the invention.
Fig. 9 is the circuit structure principle signal of second provided by the invention contactless catenary's parameters harvester
Figure.
Figure 10 is the circuit structure schematic diagram of contactless catenary's parameters measuring system provided by the invention.
Figure 11 is that the structure of the measuring software system provided by the invention in contactless catenary's parameters measuring system is shown
It is intended to.
Figure 12 is the playback of the measurement data in contactless catenary's parameters measuring system software systems provided by the invention
Structural schematic diagram.
Figure 13 is the exemplary plot of waveform image provided by the invention.
In above-mentioned attached drawing：1- data collecting vehicles；2- human-computer interaction devices.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further elaborated.It should be noted that for this
The explanation of a little way of example is used to help understand the present invention, but does not constitute limitation of the invention.
The terms "and/or", only a kind of incidence relation of description affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate：Individualism A, individualism B exist simultaneously tri- kinds of situations of A and B, the terms
"/and " it is another affiliated partner relationship of description, indicate may exist two kinds of relationships, for example, A/ and B, can indicate：Individually deposit
In A, two kinds of situations of individualism A and B, in addition, character "/" herein, it is a kind of "or" pass to typically represent forward-backward correlation object
System.
Embodiment one
As shown in Fig. 1~8, the first described contactless catenary's parameters harvester provided in this embodiment, including
Data collecting vehicle, first laser range sensor, the first differential circuit unit, first singlechip processing circuit unit, pulse are compiled
Code device, clock circuit unit, the direction of motion differentiate circuit unit, reversible counting circuit unit, at second singlechip
Manage circuit unit and output interface circuit unit, wherein the number of the first laser range sensor is two and pacifies respectively
Mounted in the direction of travel both sides of the data collecting vehicle, and their laser transmitting-receiving direction is made to be respectively perpendicular upward, the pulse
Encoder is mounted in the traveling wheel shaft of the data collecting vehicle.
As shown in Figure 1, in the structure of the first contactless catenary's parameters harvester, the data acquisition
Vehicle 1 is the mobile vehicle that can be walked in orbit, so as to the mobile vehicle as aforementioned other structures, it is ensured that in just/reverse row
The catenary's parameters of aforementioned other structures automatic collection present position can be utilized during walking；The data collecting vehicle 1 can be with
But it is not limited to trolley or the compact car using other movement forms.As shown in Figure 1, the data collecting vehicle is preferably T
Type frame vehicle, conducive to the measurement error that generation is rocked in car body shake is eliminated.
The output switch parameter end of the first laser range sensor is electrically connected the input of the first differential circuit unit
End, the output end of the first differential circuit unit are electrically connected the input terminal of the first singlechip processing circuit unit, constitute
Catenary mast bar recognition result data acquire branch.
As shown in Fig. 2, in the structure that the catenary mast bar recognition result data acquire branch, the first laser
Range sensor is used in data collecting vehicle walking process, is effectively detected right over track using laser ranging technique detection
Whether (such as in 5M) has on catenary mast bar and as barrier locator (it is substantially in distance range
A piece cross bar), and when detection has locator low electricity is otherwise exported in the on-off model of output switch parameter end output high level
Flat on-off model；It can be, but not limited to the intermediate range laser distance sensor using model DX35.First differential
Circuit unit is used to the on-off model from the first laser range sensor being converted to sharp pulse wave by rectangular wave, with
Just the pulse signal of characterization pulse front edge information is obtained；It can be, but not limited to using existing differential circuit or to existing micro-
Parallel circuit carries out routinely change design.The first singlechip processing circuit unit is used to use existing conventional program, according to
The pulse signal carries out following identifying processing to contact net strut rod：If currently there is sharp pulse wave, judgement is current real-time
Catenary mast bar recognition result data are to identify with the presence of strut rod (being characterized in track trackside catenary mast bar), otherwise
Judge that current real-time contact net strut rod recognition result data have strut rod (it is spacious to be characterized in track trackside) to be unidentified, by
This conveniently can subsequently further determine that the bar of catenary mast bar by acquiring aforementioned contact net strut rod recognition result data
(premise is the need for track data and the in advance artificial bar number for determining initial contact net strut rod to number, then could
It determines successively in sequence)；It can be, but not limited to the singlechip chip and peripheral circuit using model MSP430F123.
The A phase signals output end of the pulse coder, the B phase signals output end of the pulse coder and the clock
The output end of pulse generating circuit unit is electrically connected three input terminals that the direction of motion differentiates circuit unit, the fortune
The output end of dynamic directional interpreting circuit unit is electrically connected the input terminal of the reversible counting circuit unit, the reversible counting circuit
The output end of unit is electrically connected the input terminal of the second singlechip processing circuit unit, constitutes range of driving data and acquires branch.
As shown in Fig. 2, in the structure that the range of driving data acquire branch, the pulse coder is used to rotate in walking
When axis rotation (i.e. data collecting vehicle is positive or inversely walks), the A phase signals and B phase signals that a pair of of phase difference is 90 degree are exported,
As shown in Figures 4 and 5, when data collecting vehicle forward direction is walked, advanced 90 degree relative to B phase signals of A phase signals, and when data acquire
When side is inversely walked, advanced 90 degree relative to A phase signals of B phase signals；The pulse coder can be, but not limited to use model
For the pulse coder of SCH24.The clock circuit unit is for being spontaneously generated the clock side with certain frequency
Wave signal；It can be, but not limited to use the clock circuit based on NE555 chips.The direction of motion differentiates circuit
Unit is used to, by carrying out logical operation to A phase signals, B phase signals and clock square-wave signal, obtain characterizing positive walking or inverse
To the different output waveforms of walking.The reversible counting circuit unit is used to carry out just the positive characteristic pulse in output waveform
To counting or carry out counting in reverse to the Reverse features pulse in output waveform, and by real-time counting forward result or reverse meter
Number result is sent to the second singlechip processing circuit unit, can be, but not limited to realize using existing forward-backward counter
Forward direction/counting in reverse function.The second singlechip processing circuit unit is used for using existing range of driving algorithm to counting forward knot
Fruit carries out the positive range of driving and calculates or carry out reverse range of driving calculating to counting in reverse result, obtains the real-time of characterization current actual positions
Range of driving data can be, but not limited to singlechip chip and peripheral circuit using model MSP430F123.
The output of the output end of the first singlechip processing circuit unit and the second singlechip processing circuit unit
End is electrically connected the output interface circuit unit.
As shown in Fig. 2, the output interface circuit unit is used to dock Outside data services device or computer equipment, so as to
Externally concentrate output collected catenary mast bar recognition result data and real-time range of driving data etc.；It can be, but not limited to
For RS232 interface circuit unit.Thus it can be conducive to the real-time range of driving of application and catenary mast bar recognition result accurately determines together
The bar number and other data of immediate catenary mast bar, can not only greatly improve detection efficiency, and save the time and
Human cost is reduced, meets growing railway new line and checks and accepts and maintenance repair demand, additionally it is possible to be ensured to newfound event
Barrier section is positioned in time.
Optimization, further include that speed counts circuit unit and third microcontroller processing circuit unit, wherein the third list
The output end of piece machine processing circuit unit is electrically connected the output interface circuit unit；The direction of motion differentiates circuit unit
Output end is also electrically connected the input terminal that the speed counts circuit unit, and the speed counts the output end electrical connection of circuit unit
The input terminal of the third microcontroller processing circuit unit constitutes vehicle speed data and acquires branch.
As shown in Fig. 2, in the structure that the vehicle speed data acquires branch, the speed counts circuit unit and is used for list
In the time of position and in output waveform characteristic pulse carries out real-time speed counting, then passes real-time speed count results
It send to the third microcontroller processing circuit unit, can be, but not limited to realize speed tally function using counter.It is described
Third microcontroller processing circuit unit is used to carry out instant speed calculating to real-time speed count results using existing speed algorithm,
The actual vehicle speed data for obtaining characterizing currently practical speed equally can be, but not limited to the list using model MSP430F123
Piece movement piece and peripheral circuit.Branch is acquired from there through vehicle speed data is added, the real-time vehicle of data collecting vehicle can also be obtained
Speed.
Optimization, as shown in figure 3, the direction of motion differentiates that circuit unit includes first resistor R1, second resistance R2, the
One diode D1, the second diode D2, third diode D3, the 4th diode D4, the first NAND gate U1, the second NAND gate U2,
Third NAND gate U3, the A phase input terminals Pin_A for being electrically connected the A phase signals output end, believe for being electrically connected the B
The B phase input terminal Pin_B of number output end and the clock pulses for being electrically connected the clock circuit unit output end
Input terminal Time；The A phases input terminal Pin_A is electrically connected the first end of the first resistor R1, and the of the first resistor R1
Two ends are electrically connected the first input end of the first NAND gate U1, described in the second input terminal electrical connection of the first NAND gate U1
Clock pulse input terminal Time；The B phases input terminal Pin_B is electrically connected the first end of the second resistance R2, second electricity
The second end of resistance R2 is electrically connected the first input end of the second NAND gate U2, the second output terminal electricity of the second NAND gate U2
The first end of 3rd resistor R3 is connected, the second end of the 3rd resistor R3 is electrically connected DC voltage；The first NAND gate U1
Output end and the output end of the second NAND gate U2 be electrically connected two input terminals of the third NAND gate U3, it is described
The output end of third NAND gate U3 differentiates the output end Pout of circuit unit as the direction of motion；The second NAND gate U2
First input end be also electrically connected the first diode D1 cathode and the second diode D2 anode, the third with
The output end of NOT gate U3 is also electrically connected the anode of the cathode and the 4th diode D4 of the third diode D3, described
The anode of the anode of first diode D1 and the third diode D3 are grounded respectively, the cathode of the second diode D2 and institute
The cathode for stating the 4th diode D4 is electrically connected the DC voltage.
As shown in figure 3, in the particular circuit configurations that the direction of motion differentiates circuit unit, the DC voltage is by electricity
Source module provides, and is exemplified as+15V DC voltages.The operation principle of aforementioned movement directional interpreting circuit unit can be by such as Fig. 4~5
Shown in data collecting vehicle just/reverse walking when each node the first waveform signal show, so as to be acquired in data
Vehicle just/reverse walking when, obtained at the output end Pout that the direction of motion differentiates circuit unit as shown in FIG. 6 different single
Digit wave form, and then can indicate different walking states using both different unit waveforms, i.e., by taking Fig. 6 as an example, it can use single
The digital information " 11111110000011111000 " of digit wave form carrys out characterize data collecting vehicle and is in positive walking states, can use single
The digital signal " 11111100001111100000 " of digit wave form carrys out characterize data collecting vehicle and is in forward direction walking states to reality
Existing direction recognition function.
Advanced optimize, the first resistor R1 second end and the first NAND gate U1 first input end it
Between be also in series with discriminating direction boot leg, wherein the discriminating direction boot leg include the 4th resistance R4, the 5th resistance
R5, the 5th diode D5, the 6th diode D6, capacitance C1, triode Q1, the 4th NAND gate U4 and startup control signal Pin_
SY；The second end of the first resistor R1 is electrically connected the first input end of the 4th NAND gate U4, the startup control input
End Pin_SY is electrically connected the first end of the three resistance R3, the cathode of the 5th diode D5 and the 4th NAND gate
The second input terminal of U4；The output end of the 4th NAND gate U4 is electrically connected the anode of the 5th diode D5, the described 4th
The emitter of the base stage of the first end of resistance R4 and the triode Q1, the triode Q1 is electrically connected the 6th diode D6
Anode, the collector of the triode Q1 is electrically connected the first end of the 5th resistance R5 and the first NAND gate U1
First input end；The first end of the second end of the 4th resistance R4, the second end and the capacitance C1 of the five resistance R5
It is electrically connected the DC voltage, the cathode of the second end of the capacitance C1 and the 6th diode D6 are grounded respectively.
As shown in figure 3, in the circuit structure of the discriminating direction boot leg, the startup control signal Pin_SY
For importing control level signal (can come from key switch or other controllers), and as shown in FIG. 7 and 8, low electricity is being inputted
Usually, the direction of motion differentiates that the output end Pout of circuit unit is in low level always, and pause at this time starts the movement
Directional interpreting circuit unit；And in input high level, the direction of motion differentiates that the output end Pout of circuit unit can be obtained
To the unit waveform for indicating different walking states, starts the direction of motion at this time and differentiate circuit unit.From there through the side
To boot leg is differentiated, it can differentiate that circuit unit plays the role of start-up and shut-down control to the direction of motion, facilitate and carry out simulation tune
Examination.
Optimization, between the output end of the pulse coder and the direction of motion differentiate the input terminal of circuit unit
It has been sequentially connected in series protection circuit unit and high impedance level shifting circuit unit.
As shown in Fig. 2, the protection circuit unit is for causing the component in circuit when preventing voltage signal excessive
Damage improves anti-interference ability；It can be, but not limited to using existing optical coupling isolation circuit or to existing optical coupling isolation circuit
Carry out routinely change design.The high impedance level shifting circuit unit makes input for input signal to be amplified
Impedance is matched with itself, is realized maximum power transfer and is prevented input signal from consuming the mesh on direct impedance because excessive faint
's；It can be, but not limited to the high impedance level shifting circuit using existing based on common collector or is based on current collection altogether to existing
The high impedance level shifting circuit of pole carries out routinely change design.From there through previous designs, it can be ensured that in the pulse
The output end of encoder and the direction of motion differentiate the normal defeated of port security between the input terminal of circuit unit and signal
Enter.
To sum up, the contactless catenary's parameters harvester provided using the present embodiment, is had the following technical effect that：
(1) a kind of novel harvester that can automatically acquire contact net multi-parameter is present embodiments provided, i.e., is not being stopped
Only in the case of data collecting vehicle, catenary mast bar recognition result data acquisition branch automatic collection on the one hand can be utilized to be used for
The catenary mast bar recognition result for determining catenary mast bar number, on the other hand can identify the mobile side of data collecting vehicle
To, and the real-time range of driving of data collecting vehicle is further obtained using range of driving data acquisition branch, and output interface circuit can be passed through
Unit carries out the unified output of multi-parameter, and then can be conducive to together with catenary mast bar recognition result accurately determine immediate
Catenary mast bar number can not only greatly improve detection efficiency, and save the time and reduce human cost, meet growing
Railway new line check and accept and maintenance repair demand, additionally it is possible to ensure to position newfound fault section in time；
(2) harvester is also with safe and reliable, acquisition precision is high, be easy to debugging, circuit structure is simple and cost
Low advantage is convenient for practical promotion and application.
Embodiment two
As shown in figure 9, Extended Technology scheme of the present embodiment as embodiment one, the circuit structure provided and embodiment
One the difference is that：Further include second laser range sensor, A/D sample circuits unit, digital filter circuit unit and/or
Gate circuit unit, wherein the number of the second laser range sensor is two and is also respectively installed at the data acquisition
The direction of travel both sides of vehicle, and their laser transmitting-receiving direction is made to be respectively perpendicular upward；The second laser range sensor
Analog output end is electrically connected the input terminal of the A/D sample circuits unit, and the output end of the A/D sample circuits unit is electrically connected
Connect the input terminal of the digital filter circuit unit, the output end of the digital filter circuit unit and first differential circuit
The output end of unit is electrically connected two input terminals of the OR circuit unit, the output end electricity of the OR circuit unit
Connect the input terminal of the first singlechip processing circuit unit.
As shown in figure 9, the second laser range sensor is used in data collecting vehicle walking process, Laser Measuring is utilized
Analog quantity distance signal away from locator above technology export position to track；It can be, but not limited to use model
The intermediate range laser distance sensor of DX35.The A/D sample circuits unit is used to carry out modulus to the analog quantity distance signal
Sampling obtains digital distance signal；It can be, but not limited to realize that modulus is adopted using existing A/D analog-digital converters and peripheral circuit
Sample function.The digital filter circuit unit is used to carry out digital filtering to aforementioned digital distance signal, obtains the number of low noise
Word distance signal；It can be, but not limited to use existing DSP (Digital Signal Processor, digital signal processor)
Chip and peripheral circuit realize digital filtering function.The OR circuit unit be used for digital distance signal and pulse signal into
Row logic or operation, so that they can be compatible with the input first singlechip processing circuit unit.At the first singlechip
Circuit unit is managed after obtaining digital distance signal, it is fixed above data collecting vehicle to track first to be obtained according to existing conventional program
The real-time range of position device, if real-time range judges current real-time contact net strut rod recognition result data close to installation parameter
To identify with the presence of strut rod (being characterized in track trackside catenary mast bar), current real-time contact net strut rod is otherwise judged
Recognition result data have strut rod (it is spacious to be characterized in track trackside) to be unidentified, thus can also collect aforementioned contact net
Strut rod recognition result data.
Optimization, further include manual key and the second differential circuit unit, wherein the manual key is mounted on the number
According in collecting vehicle；The output end of the manual key is electrically connected the input terminal of the second differential circuit unit, and described second is micro-
The output end of parallel circuit unit is electrically connected the third input terminal of the OR circuit unit.As shown in figure 9, the manual key
For when data collecting vehicle is by way of trackside strut rod, by manually pressing generation on-off model.The second differential electricity
Road unit is used to the on-off model from the manual key being converted to sharp pulse wave by rectangular wave, to obtain characterization arteries and veins
Rush the pulse signal of Latest Information；It can be, but not limited to carry out using existing differential circuit or to existing differential circuit normal
The change design of rule property.The first singlechip processing circuit unit is obtaining aforementioned pulse signal by the OR circuit unit
Afterwards, it can be still based on the identical existing conventional program of embodiment one, obtain aforementioned contact net strut rod recognition result data.
The present embodiment provides the technique effects of the harvester also to have on the basis of the technique effect of embodiment one
Following technique effect：
(1) compatible based on switching value mode, mould by arranging OR circuit unit in the novel harvester
Analog quantity detection mode and manually mode etc. obtain catenary mast bar recognition result, meet different use habits, open up
Open up the scope of application.
Embodiment three
As shown in Figure 10~13, the present embodiment is carried as the Extended Technology scheme for including embodiment one or embodiment two
The contactless catenary's parameters measuring system using digital laser technology supplied, including data center server, human-computer interaction
Equipment and the contactless catenary's parameters harvester using digital laser technology as described in embodiment one or embodiment two,
Wherein, the output that the input terminal of the data center server is electrically connected in the contactless catenary's parameters harvester connects
The output end of mouth circuit unit, the data center server is electrically connected the human-computer interaction device.
The data center server is data processing centre and the data storage center of measuring system, is built-in with and includes
Catenary mast bar recognition result data-interface, range of driving data-interface, track data library, strut rod locating module and strut rod number
The measuring software system of determining module；Wherein, the catenary mast bar recognition result data-interface comes from first for importing
The catenary mast bar recognition result data of microcontroller processing circuit unit；The range of driving data-interface comes from second for importing
The range of driving data of microcontroller processing circuit unit；The track data library includes circuit strut rod number and circuit name for storing
The track data of title, railroad section, circuit strut rod number, circuit place foreman's section and/or the affiliated accountability unit of circuit etc.；It is described
Strut rod locating module is for receiving the real-time contact net pillar from the catenary mast bar recognition result data-interface
After bar recognition result data and real-time range of driving data from the range of driving data-interface, first according to the real-time range of driving number
According to the real-time displacement distance of calculating Current data acquisition truck position to previous determining strut rod position, if the real-time movement
Distance is within the scope of S-x~S+x, and the current identification of real-time contact net strut rod recognition result data instruction has pillar
Bar then judges that the strut rod is effective strut rod, then according to the bar number of previous determining strut rod and from the line
The track data in circuit-switched data library determines the bar number of effective strut rod, wherein the bar number includes corresponding strut rod
Circuit strut rod number and the line name of affiliated circuit, railroad section, circuit where foreman's section and/or the affiliated responsibility of circuit
Unit, S are the design spacing of catenary mast bar, and x is deviation constant.
In the strut rod locating module, the design interval S can be exemplified as 60 meters, and the deviation constant x can illustrate
It is 2 meters.Numberical range S-x~the S+x provides one and currently identifies whether the strut rod having is effectively to prop up for verifying
The opportunity window of mast greatly improves automatic it is possible thereby to exclude the doubtful strut rod largely judged by accident in non-opportunity window
Acquire the precision of catenary mast bar number.In addition, the circuit strut rod number of most initial strut rod is by manually determining,
Such as when the circuit strut rod number of most initial strut rod is determined as 1024, along the direction of travel of data collecting vehicle, per new judgement
One effective strut rod, then the circuit strut rod number of effective strut rod is the circuit strut rod number in previous determining strut rod
On the basis of from plus 1.
The human-computer interaction device is as the human-computer interaction interface towards staff, for realizing the input of initial parameter
Output with measurement result is shown, can be, but not limited to laptop as shown in Figure 1.
Optimization, as shown in Figure 10~11, the contactless catenary's parameters measuring system further includes being mounted on data
Laser scanner, track gauge sensor in collecting vehicle and obliquity sensor, wherein the laser scanning face position of the laser scanner
In the top of the data collecting vehicle and vertical with the direction of travel of data collecting vehicle；The laser scanner, the rail
Output end away from sensor and the obliquity sensor is electrically connected the input terminal of the data center server.
As shown in Figure 10, in the structure of the contactless catenary's parameters measuring system, the laser scanner is used
Laser pulse is pressed into certain angle interval (angle in round-the-clock transmitting laser pulse, and by built-in rotary optical mechanism
Resolution ratio) emit all directions into scanning angle, and the two-dimensional scan face on the basis of a radial coordinate is formed, final
To the scan data for including distance and angle information to testee position；The laser scanner can be, but not limited to use
The Laser Scanning Equipment of model LMS511-10100 or LMS511-20100.The track gauge sensor is for measuring track or so
Distance between two rails can be the existing gauge measurement sensor that is designed using magnetostriction principle.The inclination angle sensing
Device is used for the angle of inclination data of measurement data acquisition vehicle, is also existing sensor.
As shown in figure 11, the measuring software system in the data center server further includes laser scanner interface, rail
Away from sensor interface, obliquity sensor interface, coordinate system module, demarcating module, compensating module, the judgment module that transfinites, data
Memory module and display interface drive module；Wherein, the laser scanner interface is used to import swashing from laser scanner
Optical scanning data；The track gauge sensor interface is for importing the gauge measurement data from track gauge sensor；The inclination angle passes
Sensor interface is for importing the inclination angle measurement data from obliquity sensor；The coordinate system module is used to carry out self-excitation receiving
After the real-time scan data of photoscanner, the real-time scan data is converted into rectangular co-ordinate by polar coordinates, then basis is
It is no to belong to same barrier and classify to real-time scan data, and interference is filtered out according to the consecutive numbers strong point number of barrier
Data, finally according to real-time scan data remaining and about contact line conducting wire, the real-time conducting wire for obtaining contact line conducting wire is drawn
Go out value and real-time conductor height.
The demarcating module is used in calibrating parameters, is calculated according to automatic measurements and manual measurement value and is added by machinery
The initial error data that work generates；The compensating module be used for according to from track gauge sensor real-time gauge measurement data, come
From the real-time inclination angle measurement data of obliquity sensor and the initial error data from demarcating module, respectively to the real-time conducting wire
Stagger and the real-time conductor height are modified compensation；It is described transfinite judgment module for judge real-time conducting wire stagger and
Whether real-time conductor height transfinites, if it is determined that transfiniting, then nearest catenary mast bar conduct will be determined by strut rod locating module
Fault section bar；The data memory module for will the bar number that be determined by strut rod locating module with compensate after it is real-time
Conducting wire stagger and real-time conductor height carry out binding storage；The display interface drive module is for driving human-computer interaction device
Output shows newest real-time conducting wire stagger, real-time conductor height and bar number, and/or output displaying and fault section
The corresponding real-time conducting wire stagger of bar, real-time conductor height and bar number.
The measurement method of aforementioned contactless catenary's parameters measuring system, can be, but not limited to include the following steps.
S101. the real-time scan data from laser scanner is received, and the real-time scan data is turned by polar coordinates
It is changed to rectangular co-ordinate.
S102. classify to real-time scan data according to whether belonging to same barrier, and according to the continuous of barrier
Data point number filters out interference data, and last remaining real-time scan data is exactly the scan data about contact line conducting wire.
In the step S102,30mm whether can be more than with specific reference to two continuous data differences in height to determine whether belonging to
Same barrier is determined as different barriers if difference in height is more than 30mm, if difference in height is less than 30mm, is judged as same barrier
Hinder object, it is possible thereby to filter out the interference data such as tunnel wall.
S103. according to remaining real-time scan data, the real-time conducting wire stagger of contact line conducting wire and real-time conducting wire are obtained
Highly.
S104. it is surveyed according to the real-time gauge measurement data from track gauge sensor, the real-time inclination angle from obliquity sensor
Data and the initial error data in mark timing determination are measured, respectively to the real-time conducting wire stagger and the real-time conductor height
It is modified compensation.
In the step S104, the initial error data are according to the measured value of equipment and the actual value of hand dipping
Calculate the initial error generated by mechanical processing.
S105. determine that corresponding contact line conducting wire is contact line or carrier cable according to real-time conductor height, if occurring two
Contact line, then according to the real-time conducting wire stagger of corresponding contact line and real-time conductor height, calculate separately out two contact lines it
Between real-time parallel spacing and real-time difference in height.
In the step S105, anchor section or line trouble can also be judged according to the slope of two contact lines；According to
Span is calculated the position of dropper number and each dropper by formula.
S106. judge whether real-time conducting wire stagger, real-time conductor height, real-time parallel spacing or real-time difference in height surpass
Limit, if it is determined that transfinite, then it will be according to the most proximity of real-time contact net strut rod recognition result data and the determination of real-time range of driving data
Net-fault strut rod is as fault section bar.
It, can also be according to the circuit strut rod number of the fault section bar in track data library after the step S106
In find pre-stored corresponding bar number, and lead by the bar number and comprising the real-time conducting wire stagger of correspondence and in real time
Other measure obtained catenary's parameters and carry out output warning line height etc. in real time, to be repaired in time, eliminate traffic
Hidden danger.
The data storage mode of the data center server can be divided into full data storage and locating point data stores two kinds,
The former often moves certain range of driving distance (such as 5cm) for data collecting vehicle, that is, preserve one-shot measurement total evidence (including gauge,
Superelevation, side limit, stagger and height etc.), the latter be fixed point store strut rod, dropper, line Cha Chu geometric parameter.
Optimization, as shown in Figure 12~13, the data center server is also built-in with comprising storage module for reading and writing, circuit
The measurement data playback software system of manager, Wave data model, graphical interfaces module, command control module and active stack module
System；
The storage module for reading and writing from local data storage module for reading and writing the bar number and contact that history measures
Network parameters and will modified catenary's parameters be written local data storage module in；
The line management device is used to manage the track data of several track circuits, and corresponding every track circuit, if
There is the curve manager for the track data for being exclusively used in managing the track circuit；
The Wave data model is used to turn the bar number and catenary's parameters of display to be output according to pre-manufactured model
It is changed to the waveform image of exportable display；
The graphical interfaces module is for showing the waveform image from Wave data model, and input by operator's hand
The dynamic operational order generated, wherein the operational order includes to the revision directive of catenary's parameters and/or for adjusting waveform
Image shows the control instruction of content；
The command control module is used to repair catenary's parameters according to the operational order from graphical interfaces module
Just and/or adjustment waveform image display content；
The active stack module is for recording all operational orders and corresponding operation note.
As shown in Figures 12 and 13, the catenary's parameters can be, but not limited to for conducting wire stagger, conductor height, parallel
Away from or difference in height etc..From there through the built-in measurement data playback software systems in Novel measuring system, can also realize to surveying
It measures data and carries out the application purposes such as data readback, data analysis and data correction, it is ensured that the automation of later data analysis.
The present embodiment provides the technique effect of the measuring system and its measurement method, in embodiment one or embodiment two
On the basis of technique effect, also have the following technical effect that：
(1) the present embodiment additionally provides a kind of Novel measuring system and its measurement that can automatically acquire contact net multi-parameter
On the one hand method can automatically determine immediate catenary mast according to catenary mast bar recognition result and the real-time range of driving
The bar number of bar, another party can be combined with laser scanner, track gauge sensor and obliquity sensor, and it includes to connect to calculate acquisition
The catenary's parameters of net-fault conducting wire stagger and conductor height etc., and data storage can be carried out automatically, data are shown and are passed through
Data over run detects to find abort situation, further increases detection efficiency, and saves the time and reduce human cost；
(2) it by the built-in measurement data playback software systems in Novel measuring system, can also realize to measurement data
Carry out the application purposes such as data readback, data analysis and data correction, it is ensured that the automation of later data analysis.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific implementation mode should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (10)
1. a kind of contactless catenary's parameters harvester using digital laser technology, it is characterised in that：It is adopted including data
Collect vehicle, first laser range sensor, the first differential circuit unit, first singlechip processing circuit unit, pulse coder, when
Circuit unit occurs for clock, the direction of motion differentiates circuit unit, reversible counting circuit unit, second singlechip processing circuit list
Member and output interface circuit unit, wherein the number of the first laser range sensor is two and is separately mounted to described
The direction of travel both sides of data collecting vehicle, and their laser transmitting-receiving direction is made to be respectively perpendicular upward, the pulse coder peace
In the traveling wheel shaft of the data collecting vehicle；
The output switch parameter end of the first laser range sensor is electrically connected the input terminal of the first differential circuit unit, institute
The output end for stating the first differential circuit unit is electrically connected the input terminal of the first singlechip processing circuit unit, constitutes contact net
Strut rod recognition result data acquire branch；
The A phase signals output end of the pulse coder, the B phase signals output end of the pulse coder and the clock pulses
The output end that circuit unit occurs is electrically connected three input terminals that the direction of motion differentiates circuit unit, the movement side
The input terminal of the reversible counting circuit unit, the reversible counting circuit unit are electrically connected to the output end of differentiation circuit unit
Output end be electrically connected the input terminal of the second singlechip processing circuit unit, constitute range of driving data and acquire branch；
The output end of the output end of the first singlechip processing circuit unit and the second singlechip processing circuit unit point
It is not electrically connected the output interface circuit unit.
2. a kind of contactless catenary's parameters harvester using digital laser technology as described in claim 1, special
Sign is：Further include second laser range sensor, A/D sample circuits unit, digital filter circuit unit and OR circuit list
Member, wherein the number of the second laser range sensor is two and is also respectively installed at the walking of the data collecting vehicle
Direction both sides, and their laser transmitting-receiving direction is made to be respectively perpendicular upward；
The analog output end of the second laser range sensor is electrically connected the input terminal of the A/D sample circuits unit, institute
The output end for stating A/D sample circuit units is electrically connected the input terminal of the digital filter circuit unit, the digital filter circuit
The output end of the output end of unit and the first differential circuit unit be electrically connected the OR circuit unit two are defeated
Enter end, the output end of the OR circuit unit is electrically connected the input terminal of the first singlechip processing circuit unit.
3. a kind of contactless catenary's parameters harvester using digital laser technology as claimed in claim 2, special
Sign is：Further include manual key and the second differential circuit unit, wherein the manual key is mounted on the data collecting vehicle
On；
The output end of the manual key is electrically connected the input terminal of the second differential circuit unit, the second differential circuit list
The output end of member is electrically connected the third input terminal of the OR circuit unit.
4. a kind of contactless catenary's parameters harvester using digital laser technology as described in claim 1, special
Sign is：It further include that speed counts circuit unit and third microcontroller processing circuit unit, wherein the third microcontroller processing
The output end of circuit unit is electrically connected the output interface circuit unit；
The direction of motion differentiates that the output end of circuit unit is also electrically connected the input terminal that the speed counts circuit unit, described
The output end of speed counting circuit unit is electrically connected the input terminal of the third microcontroller processing circuit unit, constitutes vehicle speed data
Acquire branch.
5. a kind of contactless catenary's parameters harvester using digital laser technology as described in claim 1, special
Sign is：The direction of motion differentiate circuit unit include first resistor (R1), second resistance (R2), the first diode (D1),
Second diode (D2), third diode (D3), the 4th diode (D4), the first NAND gate (U1), the second NAND gate (U2),
Three NAND gates (U3), the A phases input terminal (Pin_A) for being electrically connected the A phase signals output end, for being electrically connected the B phases
The B phases input terminal (Pin_B) of signal output end and the clock for being electrically connected the clock circuit unit output end
Pulse input end (Time)；
The first end of A phases input terminal (Pin_A) electrical connection first resistor (R1), the second of the first resistor (R1)
End is electrically connected the first input end of first NAND gate (U1), and the second input terminal of first NAND gate (U1) is electrically connected institute
State clock pulse input terminal (Time)；
The first end of B phases input terminal (Pin_B) electrical connection second resistance (R2), the second of the second resistance (R2)
End is electrically connected the first input end of second NAND gate (U2), the second output terminal electrical connection of second NAND gate (U2) the
The second end of the first end of three resistance (R3), the 3rd resistor (R3) is electrically connected DC voltage；
The output end of first NAND gate (U1) and the output end of second NAND gate (U2) are electrically connected the third
The output end of two input terminals of NAND gate (U3), the third NAND gate (U3) differentiates circuit unit as the direction of motion
Output end (Pout)；
The first input end of second NAND gate (U2) is also electrically connected the cathode and described second of the first diode (D1)
The anode of diode (D2), the output end of the third NAND gate (U3) are also electrically connected the moon of the third diode (D3)
The anode of pole and the 4th diode (D4), the sun of the anode and the third diode (D3) of first diode (D1)
Pole is grounded respectively, and the cathode of second diode (D2) and the cathode of the 4th diode (D4) are electrically connected described straight
Galvanic electricity pressure.
6. a kind of contactless catenary's parameters harvester using digital laser technology as claimed in claim 5, special
Sign is：It is also in series between the second end and the first input end of first NAND gate (U1) of the first resistor (R1)
Discriminating direction boot leg, wherein the discriminating direction boot leg includes the 4th resistance (R4), the 5th resistance (R5), the 5th
Diode (D5), the 6th diode (D6), capacitance (C1), triode (Q1), the 4th NAND gate (U4) and startup control signal
(Pin_SY)；
The second end of the first resistor (R1) is electrically connected the first input end of the 4th NAND gate (U4), the startup control
Input terminal (Pin_SY) is electrically connected the first end of three resistance (R3), the cathode of the 5th diode (D5) and described
Second input terminal of the 4th NAND gate (U4)；
The output end of 4th NAND gate (U4) is electrically connected the anode of the 5th diode (D5), the 4th resistance (R4)
First end and the triode (Q1) base stage, the emitter of the triode (Q1) is electrically connected the 6th diode (D6)
Anode, the collector of the triode (Q1) be electrically connected the 5th resistance (R5) first end and described first with it is non-
The first input end of door (U1)；
The first end of the second end of 4th resistance (R4), the second end of five resistance (R5) and the capacitance (C1) is distinguished
It is electrically connected the DC voltage, the second end of the capacitance (C1) and the cathode of the 6th diode (D6) are grounded respectively.
7. a kind of contactless catenary's parameters measuring system using digital laser technology, it is characterised in that：Including in data
Central server, human-computer interaction device and as described in claim 1~6 any one using the contactless of digital laser technology
Catenary's parameters harvester, wherein the input terminal electrical connection contactless contact net ginseng of the data center server
Output interface circuit unit in number harvester, the output end of the data center server are electrically connected the human-computer interaction and set
It is standby；
The data center server is built-in with comprising catenary mast bar recognition result data-interface, range of driving data-interface, line
Circuit-switched data library, strut rod locating module and strut rod determining module measuring software system；
The catenary mast bar recognition result data-interface is for importing the contact from first singlechip processing circuit unit
Net strut rod recognition result data；
The range of driving data-interface is for importing the range of driving data from second singlechip processing circuit unit；
The track data library for store comprising circuit strut rod number and line name, railroad section, circuit strut rod number,
Foreman's section where circuit and/or the track data of the affiliated accountability unit of circuit；
The strut rod locating module is used to receive connecing in real time from the catenary mast bar recognition result data-interface
After net-fault strut rod recognition result data and real-time range of driving data from the range of driving data-interface, first according to it is described in real time
Range of driving data calculate the real-time displacement distance of Current data acquisition truck position to previous determining strut rod position, if the reality
When displacement distance be within the scope of S-x~S+x, and the current identification of real-time contact net strut rod recognition result data instruction
There is strut rod, then judges that the strut rod is effective strut rod, then according to the bar number of previous determining strut rod and come from
The track data in the track data library determines the bar number of effective strut rod, wherein the bar number includes to correspond to
Foreman's section and/or circuit institute where the circuit strut rod number of strut rod and the line name of affiliated circuit, railroad section, circuit
Belong to accountability unit, S is the design spacing of catenary mast bar, and x is deviation constant.
8. a kind of contactless catenary's parameters measuring system using digital laser technology as claimed in claim 7, special
Sign is：Further include laser scanner, track gauge sensor and the obliquity sensor being mounted in data collecting vehicle, wherein described
The laser scanning face of laser scanner is located at the top of the data collecting vehicle and hangs down with the direction of travel of the data collecting vehicle
Directly；
The output end of the laser scanner, the track gauge sensor and the obliquity sensor is electrically connected in the data
The input terminal of central server；
Measuring software system in the data center server further includes laser scanner interface, track gauge sensor interface, inclines
Angle transducer interface, coordinate system module, demarcating module, compensating module, the judgment module that transfinites, data memory module and display circle
Face drive module；
The laser scanner interface is for importing the laser scanning data from laser scanner；
The track gauge sensor interface is for importing the gauge measurement data from track gauge sensor；
The obliquity sensor interface is for importing the inclination angle measurement data from obliquity sensor；
The coordinate system module is used for after receiving the real-time scan data from laser scanner, by the real time scan number
Rectangular co-ordinate is converted to according to by polar coordinates, is then classified to real-time scan data according to whether belonging to same barrier, and
Interference data are filtered out according to the consecutive numbers strong point number of barrier, finally according to remaining and about the real-time of contact line conducting wire
Scan data obtains the real-time conducting wire stagger of contact line conducting wire and real-time conductor height；
The demarcating module is used in calibrating parameters, is calculated according to automatic measurements and manual measurement value and is produced by mechanical processing
Raw initial error data；
The compensating module be used for according to from track gauge sensor real-time gauge measurement data, from the real-time of obliquity sensor
Inclination angle measurement data and initial error data from demarcating module described are led to the real-time conducting wire stagger and in real time respectively
Line height is modified compensation；
The judgment module that transfinites is for judging whether real-time conducting wire stagger and real-time conductor height transfinite, if it is determined that transfinite,
It will then determine nearest catenary mast bar as fault section bar by strut rod locating module；
The bar number that the data memory module is used to be determined by strut rod locating module is drawn with the real-time conducting wire after compensation
Go out value and real-time conductor height carries out binding storage；
The display interface drive module shows newest real-time conducting wire stagger, in real time for driving human-computer interaction device to export
Conductor height and bar number, and/or output show that real-time conducting wire stagger corresponding with fault section bar, real-time conducting wire are high
Degree and bar number.
9. a kind of contactless catenary's parameters measuring system using digital laser technology as claimed in claim 8, special
Sign is：The data center server is also built-in with comprising storage module for reading and writing, line management device, Wave data model, figure
The measurement data of shape interface module, command control module and active stack module plays back software systems；
The storage module for reading and writing from local data storage module for reading and writing the bar number and contact net ginseng that history measures
It counts and modified catenary's parameters is written in local data storage module；
The line management device is used to manage the track data of several track circuits, and corresponding every track circuit, is equipped with special
Curve manager for the track data for managing the track circuit；
The Wave data model is for being converted to the bar number and catenary's parameters of display to be output according to pre-manufactured model
The waveform image of exportable display；
The graphical interfaces module is for showing that the waveform image from Wave data model, and input are given birth to manually by operator
At operational order, wherein the operational order include to the revision directive of catenary's parameters and/or for adjusting waveform image
Show the control instruction of content；
The command control module be used for according to the operational order from graphical interfaces module to catenary's parameters be modified and/
Or the display content of adjustment waveform image；
The active stack module is for recording all operational orders and corresponding operation note.
10. a kind of survey of the contactless catenary's parameters measuring system as claimed in claim 8 using digital laser technology
Amount method, which is characterized in that include the following steps：
S101. the real-time scan data from laser scanner is received, and the real-time scan data is converted to by polar coordinates
Rectangular co-ordinate；
S102. classify to real-time scan data according to whether belonging to same barrier, and according to the continuous data of barrier
Point number filters out interference data, and last remaining real-time scan data is exactly the scan data about contact line conducting wire；
S103. according to remaining real-time scan data, the real-time conducting wire stagger of contact line conducting wire and real-time conductor height are obtained；
S104. number is measured according to the real-time gauge measurement data from track gauge sensor, the real-time inclination angle from obliquity sensor
According to in the initial error data for marking timing determination, the real-time conducting wire stagger and the real-time conductor height are carried out respectively
Correction-compensation；
S105. it determines that corresponding contact line conducting wire is contact line or carrier cable according to real-time conductor height, is touched if there are two piece-root graftings
Line calculates separately out then according to the real-time conducting wire stagger of corresponding contact line and real-time conductor height between two contact lines
Real-time parallel spacing and real-time difference in height；
S106. judge whether real-time conducting wire stagger, real-time conductor height, real-time parallel spacing or real-time difference in height transfinite, if
Judgement is transfinited, then will be according to the nearest contact net branch of real-time contact net strut rod recognition result data and the determination of real-time range of driving data
Mast is as fault section bar.
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| CN112197726A (en) * | 2020-10-29 | 2021-01-08 | 中国铁建电气化局集团第五工程有限公司 | Integrated application method for measuring and calculating integral dropper of high-speed rail contact network |
| CN112881055A (en) * | 2021-01-23 | 2021-06-01 | 中船重工海为郑州高科技有限公司 | Dynamic walking precision calibration and distance measurement method |
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