CN106052615B - The contactless measurement and equipment of railway contact line parameter - Google Patents
The contactless measurement and equipment of railway contact line parameter Download PDFInfo
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- CN106052615B CN106052615B CN201610309819.5A CN201610309819A CN106052615B CN 106052615 B CN106052615 B CN 106052615B CN 201610309819 A CN201610309819 A CN 201610309819A CN 106052615 B CN106052615 B CN 106052615B
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring 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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The contactless measurement and equipment of a kind of railway contact line parameter provided by the invention, including：Angle of the spy to the wire length between two rails and contact line, the angle of the measurement spy point to line between two rails and the measurement spy o'clock to line between a rail and contact line is measured by the acquisition of unmanned flight's equipment；It is calculated according to the distance of the measurement and angle value and obtains railway contact line parameter.In the embodiment of the present invention, by unmanned flight's device measuring catenary's parameters during can measurement process be completed by the equipment autonomously, can also be controlled and be completed by manual operation, so that entire measurement process is more convenient flexibly.And the data after measuring can be with active reporting to specified equipment or user, to facilitate using corresponding catenary's parameters.
Description
Technical field
This patent is related to field of measuring technique, more particularly, to a kind of contactless measurement of railway contact line parameter
And equipment.
Background technology
Contact line in contact net is the power resources supply line of electric locomotive, mating with it be on train by
Pantograph (contact surface is slide plate), the contact by contact line with pantograph, train can obtain 25kV High Level AC Voltages.
In order to which the reliable contacts ensured between contact line and pantograph are well powered, needed in circuit design process rationally
It designs height of contact wire and pulls out value parameter in ground.Wherein, if height of contact wire design value is unreasonable or construction does not meet design
Value, will cause contact line to be contacted with pantograph discontinuously, high-voltage arc discharge is caused to discharge, and damage pantograph；If stagger designs
It is unreasonable, then it will influence the service life of pantograph.Wherein, stagger is the parameter value for describing conducting wire zigzag trend, that is, is being arranged
Garage is in, and contact line is actually L-R-entire slide plate of L-R uniform scratch, rather than the specified point that only rubs, to extend
Pantograph bulk life time.
Currently, usually in the mode of the catenary's parameters such as height of contact wire and stagger, having motor-car or special contacts net
Overall height precision measure is detected, but cost is higher；There is portable surveying instrument, but less efficient.
Invention content
The object of the present invention is to provide a kind of contactless measurements and equipment of railway contact line parameter, to pass through
Simply, convenience and the quickly corresponding catenary's parameters of mode accurately measure.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of contactless measurement of railway contact line parameter, including：
It acquires to measure by unmanned flight's equipment and visits point to the wire length between two rails and contact line, the measurement is visited
Point to line between two rails angle and it is described measure visit o'clock to line between a rail and contact line angle；
According to the spy point of the measurement to the wire length and angle value calculating acquisition railway between two rails and contact line
Catenary's parameters.
The catenary's parameters include height of contact wire and stagger, wherein：
The value of the height of contact wire subtracts measurement spy point to contact line by measuring the first vertical range for visiting point to rail
The second vertical range, first vertical range is to be measured to visit point to the wire length and line angle between two rails according to collection
It determines；Second vertical range be according to measure visit point between contact line wire length and the line arrive with measuring to visit
Angle between the line of one rail determines；
The stagger determines by contact line to the third vertical range of the vertical line via a rail and gauge, described the
Three vertical ranges are the line according to measurement spy point to wire length, the line and measurement spy o'clock a to rail between contact line
Between angle and it is described measure visit point between the line between two rails angle and measurements visit and arrive rail
Wire length and the line and the angle of rail plane determine.
The calculation of the height of contact wire and stagger includes：
The calculation formula of height of contact wire H is：
The calculation of stagger A is：
In above-mentioned formula, l1For the distance between measurement spy o'clock to first rail, l2To measure spy o'clock to the 2nd steel
The distance between rail, l3Point is visited for measurement and arrives the distance between contact line, and h is to measure spy to the vertical height between rail plane
Degree, α1For l1With l2Between angle, L1For first rail to the distance for measuring spy point vertical line, L2' it is that contact line is visited to measurement
The distance of point vertical line, b l2With l3Between angle, α2For l1With the angle between rail plane, and assume two rails between
Gauge is 1435 millimeters.
This method further includes：
Unmanned flight's equipment flies according to preset measurement line information and GPS metrical informations along preset measurement circuit
Row；
Judge whether to reach the preset terminal for measuring circuit, if so, auto-returned test starting point or flight are extremely
The predetermined area.
This method further includes：
In unmanned flight's equipment flight course, judge whether current orbit is to be wrapped in preset measurement line information
Otherwise the track contained, returns to test starting point or flight to the predetermined area or adjusts to measurement circuit letter if so, continuing to fly
The track flying overhead that breath includes.
This method further includes：The railway contact line parameter that unmanned flight's equipment reporting measurement obtains.
This method further includes：
Unmanned flight's equipment receives flight control information, and along measurement under the control of the flight control information
Flight line.
This method further includes：
It after being measured, makes a return voyage to unmanned flight's equipment transmission and controls information, in the control information of making a return voyage
Control is lower to return to appointed place or test starting point.
A kind of unmanned flight's equipment, including：
Parameter acquisition unit visits point to the wire length between two rails and contact line, the measurement for acquiring measurement
Visit point to line between two rails angle and it is described measure visit o'clock to line between a rail and contact line angle；
Catenary's parameters computing unit, the spy for being measured according to parameter acquisition unit acquisition are put to two rails and are connect
The wire length and angle value touched between line calculates acquisition railway contact line parameter.
If the catenary's parameters include height of contact wire and stagger, the catenary's parameters computing unit packet
It includes：
Contact line line height computation subunit, in the subelement, the value of the height of contact wire visits point to steel by measuring
First vertical range of rail subtracts the second vertical range for measuring and visiting point to contact line, and first vertical range is to be surveyed according to collection
Amount visit point between two rails wire length and line angle determine；Second vertical range is to visit point to contact according to measurement
Wire length and the line and measurement spy o'clock between line are determined to the angle between the line of a rail；
Stagger computation subunit, in the subelement, the stagger is by contact line to the vertical line via a rail
Third vertical range and gauge determine that the third vertical range is that visit point long to the line between contact line according to measuring
Degree, the line and measure visit point between the line of a rail angle and measurements spy to the line between two rails it
Between angle and described measure visit point and determined to the wire length of rail and the angle of the line and rail plane.
As seen from the above technical solution provided by the invention, railway contact line parameter provided in an embodiment of the present invention
Contactless measurement can conveniently and efficiently measure railway contact by moving towards unmanned flight's equipment of flight along rail
Network parameters, and can ensure the accuracy of measurement result, to rationally reliably join to be provided in centenary design work progress
Number data.Moreover, can be completed by the equipment autonomously during by corresponding unmanned flight's device measuring catenary's parameters
Measurement process can also be controlled by manual operation and be completed, so that entire measurement process is more convenient flexibly, and may be implemented
For the measurement of the catenary's parameters of the rail track of various states of ground complexity.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the processing flow schematic diagram of method provided in an embodiment of the present invention；
Fig. 2 is measuring principle schematic diagram provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of equipment provided in an embodiment of the present invention.
Specific implementation mode
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
An embodiment of the present invention provides a kind of contactless measurements of railway contact line parameter, implement structure
As shown in Figure 1, may include following processing step：
Step 11, it during unmanned flight's equipment is along rail flying overhead, is acquired and is measured by unmanned flight's equipment
Point is visited to the wire length between two rails and contact line, the spy point that measures is to the angle of line between two rails, Yi Jisuo
State the angle for measuring spy o'clock to line between a rail and contact line；
Step 12, according in the step 11 acquisition measure spy point between two rails and contact line wire length and
Angle value, which calculates, obtains railway contact line parameter.
In electric railway, the catenary's parameters can be, but not limited to include height of contact wire and stagger, under
Face will illustrate the acquisition pattern of both catenary's parameters respectively, wherein：
The value of the height of contact wire subtracts measurement spy point to contact line by measuring the first vertical range for visiting point to rail
The second vertical range, first vertical range is to be measured to visit point to the wire length and line angle between two rails according to collection
It determines；Second vertical range be according to measure visit point between contact line wire length and the line arrive with measuring to visit
Angle between the line of one rail determines；
The stagger determines by contact line to the third vertical range of the vertical line via a rail and gauge, described the
Three vertical ranges are the line according to measurement spy point to wire length, the line and measurement spy o'clock a to rail between contact line
Between angle and it is described measure visit point between the line between two rails angle and measurements visit and arrive rail
Wire length and the line and the angle of rail plane determine.
Further, with reference to shown in Fig. 2, the calculation of found height of contact wire and stagger may include respectively：
The calculation formula of height of contact wire H is：
The calculation of stagger A is：
As shown in Fig. 2, in above-mentioned formula, l1For the distance between measurement spy o'clock to first rail, l2Point is visited to measure
The distance between to the 2nd rail, l3Visit point to measure and arrive the distance between contact line, h be measure visit point arrive rail plane it
Between vertical height, α1For l1With l2Between angle, L1For first rail to the distance for measuring spy point vertical line, L2' it is contact
Line visits the distance of point vertical line, b l to measuring2With l3Between angle, α2For l1With the angle between rail plane, and assume two
Gauge between rail is 1435 millimeters.
Below in conjunction with Fig. 2, the calculating process of above-mentioned height of contact wire and stagger is described in detail.
In fig. 2, F is to be equipped with the unmanned machine equipment for measuring and visiting point, and C is contact line, B1B2For rail, and rail rail is wide
(or gauge) is 1435mm.
In measurement process, point can be visited by the measurement on unmanned machine equipment and is measured between the measurement spy point and two rails
Distance l1, l2, and measure and visit point and contact line distance l3, unmanned machine equipment and two rails line angle a1, contact line and steel
Rail B2Angle b.The height H (height of contact wire) and stagger A for acquiring contact line C can be calculated after measurement.
The derivation calculating process of specific height of contact wire H and stagger A is as follows：
(1) height h of the unmanned machine equipment with respect to rail plane is sought, by triangle theorem：
(2) vertical line and rail B of unmanned machine equipment are calculated2Between angle β2：
(3) angle theta between the vertical line and contact line C of unmanned machine equipment is calculated：
θ=β2+b
(4) the height h ' between the unmanned machine equipment of calculating and contact line is：
(5) it further calculates and leads height (i.e. height of contact wire) H=h-h '：
Substituting into above-mentioned formula can derive that height of contact wire value is：
Similarly, it can derive that stagger A calculation formula is as follows：
Further, in embodiments of the present invention, unmanned flight's equipment can be according to preset measurement line information
And GPS metrical informations are along preset measurement flight line；In flight course, judge whether to reach the preset measurement circuit
Terminal, if so, indicate completed measurement process, at this point, unmanned flight's equipment can with auto-returned test starting point or fly
It goes to the predetermined area.
Optionally, in unmanned flight's equipment flight course, it can also judge whether current orbit is preset survey
Otherwise the track for including in amount line information, returns to test starting point if so, continuing to fly and carry out to measure operation accordingly
Or flight to the predetermined area or adjusts the track flying overhead for including to measurement line information, in order to which corresponding unmanned flight sets
It is standby to measure circuit flying overhead, avoid deviateing measuring circuit.
In embodiments of the present invention, for convenience of the measurement data of unmanned flight's equipment is obtained, unmanned flight's equipment is also
The railway contact line parameter that can be obtained with reporting measurement, can specifically be reported to specified equipment or specified network service
Device etc., to apply measurement data.
In embodiments of the present invention, unmanned flight's equipment can also receive flight control information, and in the flight
It controls along flight line is measured under the control of information, corresponding flight control information can be sent out by user by handheld device
It send, can also be sent in such a way that the network equipment acquires wireless transmission.
Further, after being measured, control information of making a return voyage can also be sent to unmanned flight's equipment, described
Make a return voyage control information control under return appointed place or test starting point.
It can conveniently and efficiently be measured and be tapped a blast furnace by the unmanned flight's equipment for moving towards to fly along rail by above-described embodiment
Road catenary's parameters, and can ensure the accuracy of measurement result.Moreover, passing through corresponding unmanned flight's device measuring contact net
Can measurement process be completed by the equipment autonomously during parameter, can also be controlled and be completed by manual operation, so that whole
A measurement process is more convenient flexibly.
The embodiment of the present invention additionally provides a kind of unmanned flight's equipment, and specific implementation structure is as shown in figure 3, may include
Following processing unit：
Parameter acquisition unit 31 visits point to the wire length between two rails and contact line, the survey for acquiring measurement
Amount visit point to line between two rails angle and it is described measure visit o'clock to line between a rail and contact line angle；
Catenary's parameters computing unit 32, the spy for being measured according to the acquisition of the parameter acquisition unit 31 are put to two rails
And wire length between contact line and angle value calculate and obtain railway contact line parameter.
Optionally, if the catenary's parameters include height of contact wire and stagger, the catenary's parameters calculate
Unit 32 may include：
Contact line line height computation subunit 321, in the subelement 321, the value of the height of contact wire is visited by measuring
First vertical range of point to rail subtracts the second vertical range for measuring and visiting point to contact line, and first vertical range is root
According to collection measure visit point between two rails wire length and line angle determine；Second vertical range is to visit point according to measurement
To between contact line wire length and measure visit point between the line of a rail angle determination；
Stagger computation subunit 322, in the subelement 322, the stagger is by contact line to via a rail
The third vertical range of vertical line is determined with gauge, wherein the third vertical range be according to measure visit point to contact line it
Between wire length, the line and measure visit point between the line of a rail angle and measurements visit arrive two rails it
Between line between angle and it is described measure visit point to rail wire length and the line and the angle of rail plane it is true
It is fixed.
It should be noted that the specific implementation of above-mentioned each processing unit is retouched in detail in above method embodiment
It states, therefore details are not described herein.
It can be completed to measure by the equipment autonomously during by above-mentioned unmanned flight's device measuring catenary's parameters
Journey can also be controlled by manual operation and be completed, so that entire measurement process is more convenient flexibly.And the data after measuring
It can be with active reporting to specified equipment or user, to facilitate using corresponding catenary's parameters.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of contactless measurement of railway contact line parameter, which is characterized in that including：
It acquires to measure by unmanned flight's equipment and visits point to the wire length between two rails and contact line, the measurement is visited point and arrived
Between two rails the angle of line and it is described measure visit o'clock to line between a rail and contact line angle；
According to the measurement spy point between two rails and contact line wire length and angle value calculate obtain railway contact
Network parameters；
Wherein, the catenary's parameters include height of contact wire and stagger, wherein：
The value of the height of contact wire is subtracted to measure by measuring the first vertical range for visiting point to rail and be visited to the of contact line
Two vertical ranges, first vertical range be according to collection measure visit point between two rails wire length and line angle it is true
It is fixed；Second vertical range be according to measure visit point between contact line wire length and the line visit o'clock to one with measuring
Angle between the line of rail determines；
The stagger is determined that the third is hung down by contact line to the third vertical range of the vertical line via a rail and gauge
Straight distance is visits point and is visited to wire length, line and measuring between contact line o'clock between the line of a rail according to measuring
Angle and it is described measure visit point between the line between two rails angle and it is described measure visit point to rail a line
Length and the line and the angle of rail plane determine.
2. according to the method described in claim 1, it is characterized in that, the calculation packet of the height of contact wire and stagger
It includes：
The calculation formula of height of contact wire H is：
The calculation of stagger A is：
In above-mentioned formula, l1For the distance between measurement spy o'clock to first rail, l2For measure visit o'clock to the 2nd rail it
Between distance, l3Point is visited for measurement and arrives the distance between contact line, and h is to measure spy to the vertical height between rail plane, α1
For l1With l2Between angle, L1For first rail to the distance for measuring spy point vertical line, L2' it is that contact line is hung down to spy point is measured
The distance of line, b l2With l3Between angle, α2For l1With the angle between rail plane, and assume two rails between gauge
It is 1435 millimeters.
3. method according to claim 1 or 2, which is characterized in that this method further includes：
Unmanned flight's equipment is according to preset measurement line information and GPS metrical informations along preset measurement flight line；
Judge whether to reach the preset terminal for measuring circuit, if so, auto-returned tests starting point or flies to predetermined
Place.
4. method according to claim 1 or 2, which is characterized in that this method further includes：
In unmanned flight's equipment flight course, judge include in the whether preset measurement line information of current orbit
Otherwise track, returns to test starting point or flight to the predetermined area or adjusts to measurement line information packet if so, continuing to fly
The track flying overhead contained.
5. method according to claim 1 or 2, which is characterized in that this method further includes：Unmanned flight's equipment reports
Measure the railway contact line parameter obtained.
6. method according to claim 1 or 2, which is characterized in that this method further includes：
Unmanned flight's equipment receives flight control information, and along measurement circuit under the control of the flight control information
Flight.
7. according to the method described in claim 6, it is characterized in that, this method further includes：
It after being measured, makes a return voyage to unmanned flight's equipment transmission and controls information, in the control of the control information of making a return voyage
Lower return appointed place or test starting point.
8. a kind of unmanned flight's equipment, which is characterized in that including：
Parameter acquisition unit visits point to the wire length between two rails and contact line for acquiring measurement, and point is visited in the measurement
To line between two rails angle and it is described measure visit o'clock to line between a rail and contact line angle；
Catenary's parameters computing unit, the spy for being measured according to parameter acquisition unit acquisition are put to two rails and contact line
Between wire length and angle value calculate obtain railway contact line parameter；
Wherein, if the catenary's parameters include height of contact wire and stagger, the catenary's parameters computing unit packet
It includes：
Contact line line height computation subunit, in the subelement, the value of the height of contact wire visits point to rail by measuring
First vertical range subtracts the second vertical range for measuring and visiting point to contact line, and first vertical range is to be measured to visit according to collection
Point between two rails wire length and line angle determine；Second vertical range be according to measure visit point to contact line it
Between wire length and the line and measure visit point between the line of a rail angle determination；
Stagger computation subunit, in the subelement, the stagger is by contact line to of the vertical line via a rail
Three vertical ranges and gauge determine, the third vertical range be according to measure visit point between contact line wire length, should
Line and measure visit point between the line of a rail angle and measurements spy put between the line between two rails
Angle and the spy point that measures are determined to the wire length of rail and the line and the angle of rail plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610309819.5A CN106052615B (en) | 2016-05-11 | 2016-05-11 | The contactless measurement and equipment of railway contact line parameter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610309819.5A CN106052615B (en) | 2016-05-11 | 2016-05-11 | The contactless measurement and equipment of railway contact line parameter |
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| Publication Number | Publication Date |
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| CN106052615A CN106052615A (en) | 2016-10-26 |
| CN106052615B true CN106052615B (en) | 2018-09-11 |
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| CN201610309819.5A Active CN106052615B (en) | 2016-05-11 | 2016-05-11 | The contactless measurement and equipment of railway contact line parameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112414309B (en) * | 2020-11-25 | 2021-08-31 | 北京交通大学 | High-speed rail contact line height-guiding and pull-out value inspection method based on airborne laser radar |
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| CN2853543Y (en) * | 2005-11-21 | 2007-01-03 | 绵阳市铁人电气设备有限责任公司 | Instrument for measuring contact net static whole parameter |
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| CN105501248A (en) * | 2016-02-16 | 2016-04-20 | 株洲时代电子技术有限公司 | Railway line inspection system |
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| US4942539A (en) * | 1988-12-21 | 1990-07-17 | Gmf Robotics Corporation | Method and system for automatically determining the position and orientation of an object in 3-D space |
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| CN2853543Y (en) * | 2005-11-21 | 2007-01-03 | 绵阳市铁人电气设备有限责任公司 | Instrument for measuring contact net static whole parameter |
| CN201764947U (en) * | 2010-04-21 | 2011-03-16 | 朱茂芝 | Running condition detection device for train pantograph |
| CN102840828A (en) * | 2012-08-29 | 2012-12-26 | 徐州宇飞电力科技有限公司 | Static parameter measurement device of contact net and usage method thereof |
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