CN108362930A - Track current separator, traction current verification and rail level short circuit determination method - Google Patents
Track current separator, traction current verification and rail level short circuit determination method Download PDFInfo
- Publication number
- CN108362930A CN108362930A CN201810369053.9A CN201810369053A CN108362930A CN 108362930 A CN108362930 A CN 108362930A CN 201810369053 A CN201810369053 A CN 201810369053A CN 108362930 A CN108362930 A CN 108362930A
- Authority
- CN
- China
- Prior art keywords
- current
- iron core
- traction
- closed
- conductor wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012795 verification Methods 0.000 title abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 209
- 229910052742 iron Inorganic materials 0.000 claims abstract description 99
- 239000004020 conductor Substances 0.000 claims abstract description 85
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 32
- 238000004590 computer program Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 5
- 230000014509 gene expression Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to a kind of track current separator, traction current verification and rail level short circuit determination method, wherein track current separators to include：First is iron core-closed and second is iron core-closed, and first iron core-closed is arranged with the second iron core-closed mirror symmetry；First conductor wire, the first conductor wire be wound on first it is iron core-closed on；Second conductor wire, the second conductor wire be wound on second it is iron core-closed on, the first conductor wire and the second conductor wire iron core-closed are arranged along first with the second iron core-closed plane of symmetry mirror symmetry；Third conductor wire, third conductor wire pass through the first trepanning and the second trepanning and be wound on first it is iron core-closed and second it is iron core-closed on.What track current separator of the present invention took full advantage of traction current on railroad track and control signal code flows to feature, traction current and control signal code are distinguished well, measuring condition is significantly improved, thus can accurately measure traction current using the present invention and control the quantity of state of signal code.
Description
Technical field
The present invention relates to technical field of rail traffic, more particularly to a kind of track current separator, traction current school
It tests and rail level short circuit determination method.
Background technology
In the electric railway in China, it is 25KV, frequency that the high-voltage electricity of power grid is converted into voltage by rail traction substation
Rate is the alternating current of 50Hz, and a pole of tractive transformer output end is connected to the contact net above railway, and another pole passes through rail
It is connected to the earth.Electric locomotive obtains electric energy, tractor-trailer train operation using the pantograph of roof from contact net.The drive of electric locomotive
Dynamic circuit is known as traction current.The flow cycle of traction current is to be sent to contact net from traction substation, then flows through electric power machine
Vehicle again passes through rail, and traction substation is flowed back to again finally by rail and the earth.It is possible thereby in the rail of electric railway
On have the traction current of 50Hz and flow through.
Wherein, in order to control train operation, the control signal code of multi-frequency is also transmitted simultaneously in rail, it is common
Control signal code frequency have 25Hz, 550Hz, 650Hz, 750Hz, 850Hz, 1700Hz, 2000Hz, 2300Hz, 2600Hz
Deng.
For the working condition of various control devices in comprehensive monitoring railway, need to measure various composition control letter in track
The quantity of states such as amplitude, frequency, the phase of number electric current and traction current.But during realization, inventor has found traditional technology
In at least there are the following problems：Since traction current and control signal code difference are too big, traditional measuring technique cannot be accurate
Traction current and control signal code are distinguished in ground, cause accurately measure traction current and control the quantity of state of signal code.
Invention content
Based on this, it is necessary to traction current and control signal code cannot be accurately distinguished for traditional measuring technique,
Lead to accurately to measure traction current and control the quantity of state problem of signal code, provide a kind of track current separator,
Traction current verifies and rail level short circuit determination method.
To achieve the goals above, on the one hand, an embodiment of the present invention provides a kind of track current separators, including：
First is iron core-closed and second is iron core-closed, and first is iron core-closed homogeneous with two iron core-closed structures and shape
Together, first it is iron core-closed be arranged with the second iron core-closed mirror symmetry, first it is iron core-closed on offer the first trepanning, first draws
Wiring pass through the first trepanning with first it is iron core-closed be connected, second it is iron core-closed on offer the second trepanning, the second lead wire is worn
The second trepanning is crossed with second iron core-closed to be connected；
First conductor wire, the first conductor wire be wound on first it is iron core-closed on；
Second conductor wire, the second conductor wire be wound on second it is iron core-closed on；
Third conductor wire, third conductor wire passes through the first trepanning and the second trepanning and to be wound on first iron core-closed and second
On iron core-closed.
In one of the embodiments, first it is iron core-closed for circular closure iron core, rectangle is iron core-closed or pentagon closes
Close iron core；Second it is iron core-closed for circular closure iron core, rectangle is iron core-closed or pentagon is iron core-closed.
The coiling equal turn numbers of first conductor wire and the second conductor wire in one of the embodiments, and the first conductor wire
With the second conductor wire along first iron core-closed and the second iron core-closed plane of symmetry mirror symmetry setting.
On the other hand, a kind of traction current method of calibration is additionally provided, is included the following steps：
The first current value of the first conductor wire of track current separator is obtained, the second of track current separator leads
The third current value of second current value of electric wire and the third conductor wire of track current separator；
When the absolute value of the difference of the first current value and the second current value is not equal to third current value, traction current is confirmed
There is error in acquisition.
On the other hand, a kind of rail level short circuit determination method is additionally provided, is included the following steps：
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
The first traction current, the first traction voltage, the second traction current and the second traction voltage are handled, railway roadbed resistance is obtained
Value；
When railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
Handling the first traction current, the first traction voltage, the second traction current and second in one of the embodiments,
In the step of obtaining railway roadbed resistance value, railway roadbed resistance value is obtained based on following formula for traction voltage：
Wherein, RL expressions are treated as loading, and JV1 indicates that the second traction voltage, JA1 indicate that the second traction current, RD indicate two
Railway roadbed resistance again, RG indicate that rail impedance, the first traction currents of FA1, FV1 indicate the first traction voltage.
On the other hand, a kind of traction current calibration equipment is additionally provided, including：
Data acquisition module, the first current value of the first conductor wire for obtaining track current separator, track electricity
The third electric current of second current value of the second conductor wire of flow splitting device and the third conductor wire of track current separator
Value；
Determination module, the absolute value for the difference in the first current value and the second current value are not equal to third current value
When, confirm that error occurs in traction current acquisition.
On the other hand, a kind of rail level short circuit judgment means are additionally provided, including：
Data acquisition module, the first traction current for obtaining the collected sending end of track current separator and
One traction voltage；
Data acquisition module, be additionally operable to obtain the collected receiving end of track current separator the second traction current and
Second traction voltage；
Data processing module, for handling the first traction current, the first traction voltage, the second traction current and the second traction
Voltage obtains railway roadbed resistance value；
Determination module, for when railway roadbed resistance value is less than predetermined threshold value, confirming rail level short circuit.
On the other hand, a kind of computer equipment, including memory and processor are additionally provided, the memory is stored with meter
Calculation machine program, the processor realize following steps when executing the computer program：
The first current value of the first conductor wire of track current separator is obtained, the second of track current separator leads
The third current value of second current value of electric wire and the third conductor wire of track current separator；
When the absolute value of the difference of the first current value and the second current value is not equal to third current value, traction current is confirmed
There is error in acquisition.
Or
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
The first traction current, the first traction voltage, the second traction current and the second traction voltage are handled, railway roadbed resistance is obtained
Value；
When railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
On the other hand, a kind of computer readable storage medium is additionally provided, computer program, the calculating are stored thereon with
Machine program realizes following steps when being executed by processor：
The first current value of the first conductor wire of track current separator is obtained, the second of track current separator leads
The third current value of second current value of electric wire and the third conductor wire of track current separator；
When the absolute value of the difference of the first current value and the second current value is not equal to third current value, traction current is confirmed
There is error in acquisition.
Or
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
The first traction current, the first traction voltage, the second traction current and the second traction voltage are handled, railway roadbed resistance is obtained
Value；
When railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
A technical solution in above-mentioned technical proposal has the following advantages that and advantageous effect：
In the traction current and control signal code on measuring railroad track, by connection choke transformer and railroad track
The first lead wire pass through track current separator of the present invention first the first iron core-closed trepanning and the second lead wire
Across second the second iron core-closed trepanning of track current separator of the present invention, acquisition respectively is wound on the first closure iron
The upper current data and voltage data of core, second the first iron core-closed conductor wire, the second conductor wire and third conductor wire,
It can be obtained traction current and control the quantity of states such as amplitude, frequency, the phase of signal code.The embodiment of the present invention takes full advantage of
Traction current on railroad track and control signal code flow to feature, well by traction current and control signal code area
It separates, significantly improves measuring condition, thus traction current and control signal code can be can accurately measure using the present invention
Quantity of state.
Description of the drawings
Fig. 1 is the dimensional structure diagram of track current separator of the present invention in one embodiment；
Fig. 2 is the front view of track current separator of the present invention in one embodiment；
Fig. 3 is the step flow chart of traction current method of calibration of the present invention in one embodiment；
Fig. 4 is the step flow chart of rail level short circuit determination method of the present invention in one embodiment；
Fig. 5 is the circuit diagram of track electric system of the invention in one embodiment；
Fig. 6 is the structural schematic diagram of traction current calibration equipment of the present invention in one embodiment；
Fig. 7 is the structural schematic diagram of rail level short circuit judgment means of the present invention in one embodiment；
Fig. 8 is the structural schematic diagram of computer equipment of the present invention in one embodiment.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that when an element is considered as " connection " another element, it can be directly to separately
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " opening up ", " around
System ", " mirror symmetry " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
In order to solve the problems, such as that traditional measuring technique cannot accurately distinguish traction current and control signal code, one
In a embodiment, an embodiment of the present invention provides a kind of track current separators, as shown in Figure 1, including：
First iron core-closed 110 and second iron core-closed 120, first iron core-closed 110 and two iron core-closed 120 structure
With shape all same, the first iron core-closed 110 and second iron core-closed 120 mirror symmetry is arranged, is opened on first iron core-closed 110
Equipped with the first trepanning, the first lead wire 130 passes through the first trepanning to be connected with the first 110 iron cores of closure, on second iron core-closed 120
The second trepanning is offered, the second lead wire 140 is connected across the second trepanning with second iron core-closed 120；
First conductor wire 150, the first conductor wire 150 are wound on first iron core-closed 110；
Second conductor wire 160, the second conductor wire 160 are wound on second iron core-closed 120；
Third conductor wire 170, third conductor wire 170 passes through the first trepanning and the second trepanning and to be wound on first iron core-closed
On 110 and second iron core-closed 120.
Wherein, first is iron core-closed and second is iron core-closed by being made of permeability magnetic material, wherein first it is iron core-closed and
Second iron core-closed concrete shape can be determined according to practical application request.In one embodiment, first is iron core-closed for circle
Shape is iron core-closed, rectangle is iron core-closed or pentagon is iron core-closed；Second is iron core-closed for circular closure iron core, rectangle closure iron
Core or pentagon are iron core-closed.It should be noted that only listing the iron core-closed of three kinds of shapes in the present embodiment, it is not intended to limit
The iron core-closed of other shapes unrequited in the present embodiment can be used.
First conductor wire be wound on first it is iron core-closed on, form coil, drawing because of first on induction first is iron core-closed
The variation in magnetic field caused by the traction current in wiring generates induced voltage, so as to measure indirectly on the first lead wire
Traction current, then the quantity of state of traction current is analyzed, wherein quantity of state includes amplitude, frequency, phase of electric current etc..
Second conductor wire be wound on second it is iron core-closed on, form coil, drawing because of second on induction second is iron core-closed
The variation in magnetic field caused by the traction current in wiring generates induced voltage, so as to measure indirectly on the second lead wire
Traction current, then the quantity of state of traction current is analyzed, wherein quantity of state includes amplitude, frequency, phase of electric current etc..
Third conductor wire pass through the first trepanning and the second trepanning and be wound on first it is iron core-closed and second it is iron core-closed on,
Coil is formed, the magnetic field of generation of the traction current on the first lead wire and the second lead wire at this is cancelled out each other, at this only
The magnetic field that the control signal code on the first lead wire and the second lead wire generates is left, the variation for incuding the magnetic field at this generates
Induced voltage measures so as to indirect the and controls signal code on first lead wire and the second lead wire, then analysis and Control letter
The quantity of state of number electric current.
Specifically, in actual application process, as shown, the traction electricity on the first lead wire and the second lead wire
The direction of stream is identical, and size is of substantially equal, and the difference of the two is less than 50A, is generated in the coil that third conductor wire is formed
Substantially it cancels out each other in magnetic field.
The direction of the control signal code of first lead wire and the second lead wire is on the contrary, and equal in magnitude, the first lead wire
The magnetic field generated in the coil that third conductor wire is formed with the control signal code of the second lead wire is mutually superimposed.
As shown in Fig. 2, by the above magnetic field offset each other and mutually it is superimposed, by measure third conductor wire on incude
Voltage measures control electric current signal, substantially reduces the influence of traction current.In one embodiment, the first lead wire flows through
Traction current is 500A (ampere), and control signal code is 1A；The traction current that second lead wire flows through is 480A, controls signal
Electric current is 1A.If the measuring control signal electric current directly on the first conductor wire is equivalent to need in 500A traction currents
The lower analysis of interference calculates 1A control signal codes, and it is 500 times to interfere with the ratio of measured signal.If on third conductor wire
Measuring control signal electric current is equivalent to need the analysis under the interference of 20A (500A subtracts 480A) traction current to calculate 2A's
Signal code is controlled, it is 10 times to interfere with the ratio of measured signal.By above method, control signal code can be significantly improved
Test condition.
In addition to the measuring control signal electric current on third conductor wire, also first can be measured directly on third conductor wire and draw and connect
Line, the second lead wire traction current difference, can the first conductor wire measure the first lead wire on traction current value, can
To measure the traction current value on the second lead wire on the second lead wire.
Each embodiment of track current separator of the present invention, the traction current on measuring railroad track and control signal electricity
When stream, the first lead wire for connecting choke transformer and railroad track is closed across the first of track current separator of the present invention
The first trepanning and the second lead wire for closing iron core pass through the second iron core-closed second of track current separator of the present invention
Trepanning, respectively acquisition are wound on first iron core-closed, second the first iron core-closed conductor wire, the second conductor wire and third and lead
The upper current data and voltage data of electric wire, you can obtain traction current and control amplitude, frequency, the phase etc. of signal code
Quantity of state.Track current separator of the present invention takes full advantage of the stream of traction current and control signal code on railroad track
To feature, traction current and control signal code are distinguished well, significantly improve measuring condition, thus utilizes this hair
The bright quantity of state that can be can accurately measure traction current and control signal code.
In one embodiment, as illustrated in fig. 1 and 2, coiling the number of turns phase of the first conductor wire 150 and the second conductor wire 160
Deng, and the first conductor wire 150 and the second conductor wire 160 are along first iron core-closed 110 and second iron core-closed 120 plane of symmetry mirror
As being symmetrical arranged.
Each embodiment of track current separator of the present invention ensures the number of turns phase of the first conductor wire and the second conductor wire coiling
Deng, and the first conductor wire be wound on first it is iron core-closed on position and the second conductor wire be wound on second it is iron core-closed on position
It is iron core-closed and the second iron core-closed plane of symmetry is mirror symmetry along first to set, and avoids the difference due to conductor wire the number of turns
Different and position difference and the measurement error brought further improve and measure traction current and control signal using the present invention
The precision of electric current.
In one embodiment, a kind of traction current method of calibration is provided, as shown in figure 3, including the following steps：
Step S310 obtains the first current value of the first conductor wire of track current separator, track current separation dress
Second set leads the third electric current of the second current value of another aspect electric wire and the third conductor wire of track current separator
Value；
Step S320, when the absolute value of the difference of the first current value and the second current value is not equal to third current value, really
Recognize traction current acquisition and error occurs.
Specifically, when actually measuring traction current on track and controlling signal code, by track current of the present invention point
From in track current separator attachment rail power transmission network described in device embodiment, i.e., the first lead wire is passed through first
Second lead wire is passed through second the second iron core-closed trepanning by the first iron core-closed trepanning.
Distinguish the first current value of the first conductor wire by data acquisition module, the second current value of the second conductor wire, the
The third current value of three conductor wires, judges whether the absolute value of the difference of the first current value and the second current value is equal to third electric current
Value judges the untrue of each current value acquisition, illustrate have external interference factor to interfere when absolute value is not equal to third current value
The accuracy of current data acquisition, Field Force can exclusive PCR factors immediately.
Each embodiment of traction current method of calibration of the present invention, track current separator through the invention collect three
Current value confirms that the accuracy of the data of acquisition eliminates wrong data in turn according to relationship between three of them current value, keeps away
Exempted from later data processing procedure causes analysis result to generate deviation because using wrong data.
In one embodiment, a kind of rail level short circuit determination method is provided, as shown in figure 4, including the following steps：
Step S410 obtains the first traction current and the first traction electricity of the collected sending end of track current separator
Pressure；
Step S420 obtains the second traction current and the second traction electricity of the collected receiving end of track current separator
Pressure；
Step S430, the first traction current of processing, the first traction voltage, the second traction current and the second traction voltage, obtains
To railway roadbed resistance value；
Step S440 confirms rail level short circuit when railway roadbed resistance value is less than predetermined threshold value.
Further, the first traction current, the first traction voltage, the second traction current and the second traction voltage are being handled,
In the step of obtaining railway roadbed resistance value, railway roadbed resistance value is obtained based on following formula：
Wherein, RL expressions treat as load (as shown in figure 5, it is receiving end choke transformer traction side (1,2 ends to treat as load
Son) treat as load), JV1 indicates that the second traction voltage, JA1 indicate that the second traction current, RD indicate twice of railway roadbed resistance,
RG indicates that rail impedance, the first traction currents of FA1, FV1 indicate the first traction voltage.
Specifically, as shown in figure 5, actually measure track on traction current and control signal code when, will be of the invention
In track current separator embodiment in described track current separator attachment rail power transmission network, i.e., first is drawn and connect
Line passes through first the first iron core-closed trepanning, and the second lead wire is passed through second the second iron core-closed trepanning.
Using the track current separator of the present invention, in acquisition trajectory power transmission system the first traction current of sending end and
The second traction current and the second traction voltage of first traction voltage and receiving end, bring above-mentioned data into following formula：
Railway roadbed resistance can be calculatedWhen railway roadbed resistanceWhen less than 0.5 ohm, that is, judge occur at gathered data
The situation of rail level short circuit.
Each embodiment of rail level short circuit determination method of the present invention quickly collects phase using the track current separator of the present invention
Data are closed, and judge the situation of current rail level by collected data, to rest and reorganize to the rail level for situation occurred,
It avoids leading to irremediable shipping accident.
It should be understood that although each step in the flow chart of Fig. 3 and 4 is shown successively according to the instruction of arrow,
Be these steps it is not that the inevitable sequence indicated according to arrow executes successively.Unless expressly stating otherwise herein, these steps
There is no stringent sequences to limit for rapid execution, these steps can execute in other order.Moreover, in Fig. 3 and 4 at least
A part of step may include that either these sub-steps of multiple stages or stage are not necessarily in same a period of time to multiple sub-steps
Quarter executes completion, but can execute at different times, the execution in these sub-steps or stage be sequentially also not necessarily according to
Secondary progress, but can either the sub-step of other steps or at least part in stage in turn or replace with other steps
Ground executes.
In one embodiment, a kind of traction current calibration equipment is provided, as shown in fig. 6, including：
Data acquisition module 610, the first current value of the first conductor wire for obtaining track current separator, track
The third of second current value of the second conductor wire of current separation device and the third conductor wire of track current separator electricity
Flow valuve；
Determination module 620, the absolute value for the difference in the first current value and the second current value are not equal to third electric current
When value, confirm that error occurs in traction current acquisition.
Specific about traction current calibration equipment limits the limit that may refer to above for traction current method of calibration
Fixed, details are not described herein.Modules in above-mentioned traction current calibration equipment can fully or partially through software, hardware and its
It combines to realize.Above-mentioned each module can be embedded in or in the form of hardware independently of in the processor in computer equipment, can also
It is stored in a software form in the memory in computer equipment, in order to which processor calls the above modules of execution corresponding
Operation.
In one embodiment, a kind of rail level short circuit judgment means are provided, as shown in fig. 7, comprises：
Data acquisition module 710, the first traction current for obtaining the collected sending end of track current separator
With the first traction voltage；
Data acquisition module 710 is additionally operable to obtain the second traction electricity of the collected receiving end of track current separator
Stream and the second traction voltage；
Data processing module 710, for handling the first traction current, the first traction voltage, the second traction current and second
Traction voltage obtains railway roadbed resistance value；
Determination module 720, for when railway roadbed resistance value is less than predetermined threshold value, confirming rail level short circuit.
Specific about rail level short circuit judgment means limits the limit that may refer to above for rail level short circuit determination method
Fixed, details are not described herein.Modules in above-mentioned rail level short circuit judgment means can fully or partially through software, hardware and its
It combines to realize.Above-mentioned each module can be embedded in or in the form of hardware independently of in the processor in computer equipment, can also
It is stored in a software form in the memory in computer equipment, in order to which processor calls the above modules of execution corresponding
Operation.
In one embodiment, a kind of computer equipment is provided, which can be server, internal junction
Composition can be as shown in Figure 8.The computer equipment include the processor connected by system bus, memory, network interface and
Database.Wherein, the processor of the computer equipment is for providing calculating and control ability.The memory packet of the computer equipment
Include non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system, computer program and data
Library.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The database of machine equipment is for storing current and voltage data.The network interface of the computer equipment is used to pass through with external terminal
Network connection communicates.To realize a kind of rail level short circuit determination method or a kind of traction electricity when the computer program is executed by processor
Flow method of calibration.
It will be understood by those skilled in the art that structure shown in Fig. 8, is only tied with the relevant part of application scheme
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
May include either combining certain components than more or fewer components as shown in the figure or being arranged with different components.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor realize following steps when executing computer program：
The first current value of the first conductor wire of track current separator is obtained, the second of track current separator leads
The third current value of second current value of electric wire and the third conductor wire of track current separator；
When the absolute value of the difference of the first current value and the second current value is not equal to third current value, traction current is confirmed
There is error in acquisition.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor realize following steps when executing computer program：
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
The first traction current, the first traction voltage, the second traction current and the second traction voltage are handled, railway roadbed resistance is obtained
Value；
When railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：
The first current value of the first conductor wire of track current separator is obtained, the second of track current separator leads
The third current value of second current value of electric wire and the third conductor wire of track current separator；
When the absolute value of the difference of the first current value and the second current value is not equal to third current value, traction current is confirmed
There is error in acquisition.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program realizes following steps when being executed by processor：
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
The first traction current, the first traction voltage, the second traction current and the second traction voltage are handled, railway roadbed resistance is obtained
Value；
When railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein,
Any reference to memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of track current separator, which is characterized in that including：
First is iron core-closed and second is iron core-closed, and described first is iron core-closed equal with described two iron core-closed structures and shape
It is identical, described first it is iron core-closed be arranged with the described second iron core-closed mirror symmetry, described first it is iron core-closed on offer
First trepanning, the first lead wire pass through first trepanning with described first it is iron core-closed be connected, described second it is iron core-closed on
Offer the second trepanning, the second lead wire passes through second trepanning iron core-closed to be connected with described second；
First conductor wire, first conductor wire be wound on described first it is iron core-closed on；
Second conductor wire, second conductor wire be wound on described second it is iron core-closed on；
Third conductor wire, the third conductor wire pass through first trepanning and second trepanning and are wound on described first and close
Close iron core and it is described second it is iron core-closed on.
2. track current separator according to claim 1, which is characterized in that described first iron core-closed closes for circle
Conjunction iron core, rectangle is iron core-closed or pentagon is iron core-closed；Described second is iron core-closed for circular closure iron core, rectangle closure iron
Core or pentagon are iron core-closed.
3. track current separator according to claim 1 or 2, which is characterized in that first conductor wire with it is described
The coiling equal turn numbers of second conductor wire, and first conductor wire and second conductor wire along described first it is iron core-closed with
Described second iron core-closed plane of symmetry mirror symmetry setting.
4. a kind of traction current method of calibration, which is characterized in that include the following steps：
The first current value of the first conductor wire of track current separator is obtained, the second of the track current separator leads
The third current value of the third conductor wire of second current value of electric wire and the track current separator；
When first current value and the absolute value of the difference of second current value are not equal to the third current value, confirm
There is error in traction current acquisition.
5. a kind of rail level short circuit determination method, which is characterized in that include the following steps：
Obtain the first traction current and the first traction voltage of the collected sending end of track current separator；
Obtain the second traction current and the second traction voltage of the collected receiving end of track current separator；
First traction current, first traction voltage, second traction current and second traction voltage are handled,
Obtain railway roadbed resistance value；
When the railway roadbed resistance value is less than predetermined threshold value, rail level short circuit is confirmed.
6. rail level short circuit determination method according to claim 5, which is characterized in that handle first traction current,
First traction voltage, the second traction current and the second traction voltage are obtained in the step of obtaining railway roadbed resistance value based on following formula
Take the railway roadbed resistance value：
Wherein, RL expressions are treated as loading, and JV1 indicates that the second traction voltage, JA1 indicate that the second traction current, RD indicate twice
Railway roadbed resistance, RG indicate that rail impedance, the first traction currents of FA1, FV1 indicate the first traction voltage.
7. a kind of traction current calibration equipment, which is characterized in that including：
Data acquisition module, the first current value of the first conductor wire for obtaining track current separator, the track electricity
The third of the third conductor wire of second current value of the second conductor wire of flow splitting device and the track current separator
Current value；
Determination module is not equal to the third for the absolute value in first current value and the difference of second current value
When current value, confirm that error occurs in traction current acquisition.
8. a kind of rail level short circuit judgment means, which is characterized in that including：
Data acquisition module, the first traction current and first for obtaining the collected sending end of track current separator are led
Draw voltage；
Data acquisition module, be additionally operable to obtain the collected receiving end of track current separator the second traction current and
Second traction voltage；
Data processing module, for handle first traction current, first traction voltage, second traction current and
Second traction voltage, obtains railway roadbed resistance value；
Determination module, for when the railway roadbed resistance value is less than predetermined threshold value, confirming rail level short circuit.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In when the processor executes the computer program the step of any one of realization claim 4 to 6 the method.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any one of claim 4 to 6 is realized when being executed by processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369053.9A CN108362930B (en) | 2018-04-23 | 2018-04-23 | Rail current separation device, traction current verification method and rail surface short circuit judgment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810369053.9A CN108362930B (en) | 2018-04-23 | 2018-04-23 | Rail current separation device, traction current verification method and rail surface short circuit judgment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108362930A true CN108362930A (en) | 2018-08-03 |
| CN108362930B CN108362930B (en) | 2024-07-23 |
Family
ID=63009217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810369053.9A Active CN108362930B (en) | 2018-04-23 | 2018-04-23 | Rail current separation device, traction current verification method and rail surface short circuit judgment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108362930B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2154877A (en) * | 1937-04-21 | 1939-04-18 | Auxiliaire D Etudes Electrochn | Railway signaling device |
| GB814681A (en) * | 1955-12-17 | 1959-06-10 | Forges Ateliers Const Electr | Improvements in railway signalling track circuits |
| GB1216236A (en) * | 1967-04-26 | 1970-12-16 | Allmaenna Svenska Electriska A | Improved signalling systems for electrically-operated rail vehicles |
| US4417229A (en) * | 1980-10-15 | 1983-11-22 | Safetran Systems Corporation | Means for use on a railroad to distinguish between traction current and signal current |
| CN2115928U (en) * | 1992-04-11 | 1992-09-16 | 郑州铁路局郑州科学技术研究所 | Unbalance propulsion current tester for rail |
| CN1426359A (en) * | 2000-04-28 | 2003-06-25 | 西门子公司 | Meshed track circuit |
| US20040104723A1 (en) * | 2002-08-12 | 2004-06-03 | Martin Altmann | Method for identifying risks as a result of stray currents |
| CN201235831Y (en) * | 2008-06-04 | 2009-05-13 | 北京全路通信信号研究设计院 | Four-wire lead security device of phase-sensitive track circuit |
| CN201654108U (en) * | 2010-03-24 | 2010-11-24 | 李丽 | Rail current sensor |
| CN101954915A (en) * | 2009-11-25 | 2011-01-26 | 兰州交通大学 | Broken rail real-time detection device and detection method thereof |
| CN103076516A (en) * | 2012-12-28 | 2013-05-01 | 天津铁路信号有限责任公司 | Clamping type steel rail electric parameter transient recording analyzer |
| CN103278552A (en) * | 2013-05-10 | 2013-09-04 | 兰州交通大学 | Device for detecting conductivity interference resistance of rail circuit |
| CN203415350U (en) * | 2013-08-30 | 2014-01-29 | 中铁通信信号勘测设计（北京）有限公司 | Choke transformer |
| EP3012642A1 (en) * | 2014-09-26 | 2016-04-27 | Siemens Aktiengesellschaft | Method and assembly for determining an error location in case of a short circuit along an energy supply path |
-
2018
- 2018-04-23 CN CN201810369053.9A patent/CN108362930B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2154877A (en) * | 1937-04-21 | 1939-04-18 | Auxiliaire D Etudes Electrochn | Railway signaling device |
| GB814681A (en) * | 1955-12-17 | 1959-06-10 | Forges Ateliers Const Electr | Improvements in railway signalling track circuits |
| GB1216236A (en) * | 1967-04-26 | 1970-12-16 | Allmaenna Svenska Electriska A | Improved signalling systems for electrically-operated rail vehicles |
| US3555270A (en) * | 1967-04-26 | 1971-01-12 | Asea Ab | Rail signal disturbance avoidance means |
| US4417229A (en) * | 1980-10-15 | 1983-11-22 | Safetran Systems Corporation | Means for use on a railroad to distinguish between traction current and signal current |
| CN2115928U (en) * | 1992-04-11 | 1992-09-16 | 郑州铁路局郑州科学技术研究所 | Unbalance propulsion current tester for rail |
| CN1426359A (en) * | 2000-04-28 | 2003-06-25 | 西门子公司 | Meshed track circuit |
| US20040104723A1 (en) * | 2002-08-12 | 2004-06-03 | Martin Altmann | Method for identifying risks as a result of stray currents |
| CN201235831Y (en) * | 2008-06-04 | 2009-05-13 | 北京全路通信信号研究设计院 | Four-wire lead security device of phase-sensitive track circuit |
| CN101954915A (en) * | 2009-11-25 | 2011-01-26 | 兰州交通大学 | Broken rail real-time detection device and detection method thereof |
| CN201654108U (en) * | 2010-03-24 | 2010-11-24 | 李丽 | Rail current sensor |
| CN103076516A (en) * | 2012-12-28 | 2013-05-01 | 天津铁路信号有限责任公司 | Clamping type steel rail electric parameter transient recording analyzer |
| CN103278552A (en) * | 2013-05-10 | 2013-09-04 | 兰州交通大学 | Device for detecting conductivity interference resistance of rail circuit |
| CN203415350U (en) * | 2013-08-30 | 2014-01-29 | 中铁通信信号勘测设计（北京）有限公司 | Choke transformer |
| EP3012642A1 (en) * | 2014-09-26 | 2016-04-27 | Siemens Aktiengesellschaft | Method and assembly for determining an error location in case of a short circuit along an energy supply path |
Non-Patent Citations (4)
| Title |
|---|
| BO YUAN;: "A Current-Fed Multiresonant Converter with Low Circulating Energy and Zero-Current Switching for High Step-Up Power Conversion", IEEE TRANSACTIONS ON POWER ELECTRONICS, 31 December 2011 (2011-12-31) * |
| HOUARI SABIRIN: "Two-layer tracking for occlusion handling and inter-sensor identification in multiple depth sensorsbased object detection and tracking", 2017 25TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO), 26 October 2017 (2017-10-26) * |
| MEMON, S;: "Stray Current Mitigation and Collection Techniques Adopted by a DC Transit Agency and Its Effectiveness in Controlling Stray Currents", INTERNATIONAL CONFERENCE ON TRANSPORTATION AND DEVELOPMENT 2016: PROJECTS AND PRACTICES FOR PROSPERITY, 28 December 2016 (2016-12-28) * |
| 张芳: "直流制式牵引供电对信号设备的干扰问题分析和解决", 兰州交通大学学报, 15 December 2013 (2013-12-15) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108362930B (en) | 2024-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015340618B2 (en) | Transformer test device and method for testing a transformer | |
| CN105548650A (en) | Flexible current sensor | |
| EP3391063B1 (en) | Mobile transformer test device and method for testing a power transformer | |
| Wu et al. | Residual flux measurement of power transformer based on transient current difference | |
| CN107290629A (en) | A kind of 10KV low-voltage networks Earth design method | |
| CN105093058B (en) | Current Transformer Secondary side open circuit method of discrimination and corresponding discriminating gear | |
| CN111090072A (en) | CT loop wireless automatic checking device and checking method | |
| Prus et al. | The determination of the condition of the windings of electric machines with long mean-time-between failures | |
| CN114720936A (en) | Device and method for detecting error of secondary winding of multi-channel mutual inductor without power outage | |
| CN103424627B (en) | The method of double-end measurement parallel grid line zero-sequence impedance | |
| CN110763882B (en) | Transient phase-controlled large-current generator and simulation measurement method before commissioning of secondary equipment | |
| CN108362930A (en) | Track current separator, traction current verification and rail level short circuit determination method | |
| CN102621446B (en) | Method for measuring circulating current in triangular winding of transformer | |
| CN208140776U (en) | Track current separator and track current test macro | |
| CN111220851A (en) | Magnetic inductance performance detection method | |
| EP2378296B1 (en) | Method and arrangement for determining impedance values | |
| JPH11304870A (en) | Method for confirming polarity of tertiary winding of meter current transformer, and testing method for ground protective relay using the same | |
| KR100789412B1 (en) | Artificial ground fault tester | |
| CN201757762U (en) | Circuit breaker tripping and closing voltage tester | |
| CN112415460A (en) | Current transformer fault self-diagnosis system and method | |
| He et al. | Survey of frequency response analysis on winding deformation of transformers. | |
| Rupanagunta et al. | Determination of iron core losses under influence of third-harmonic flux component | |
| CN212570694U (en) | Rail homodromous current difference transformer | |
| CN104950203A (en) | Calibration Method of Transformer Current Protection Circuit | |
| CN105353194B (en) | The voltage sampling apparatus of three-phase isolated neutral system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |