CN108819986A - A kind of system and method for track circuit progress fault detection - Google Patents
A kind of system and method for track circuit progress fault detection Download PDFInfo
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- CN108819986A CN108819986A CN201810551288.XA CN201810551288A CN108819986A CN 108819986 A CN108819986 A CN 108819986A CN 201810551288 A CN201810551288 A CN 201810551288A CN 108819986 A CN108819986 A CN 108819986A
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000007689 inspection Methods 0.000 description 6
- 208000033748 Device issues Diseases 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/04—Control, warning or like safety means along the route or between vehicles or trains for monitoring the mechanical state of the route
- B61L23/042—Track changes detection
- B61L23/044—Broken rails
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of for carrying out the system and method for fault detection to track circuit, and for carrying out fault detection to the electrical breaks in track circuit, wherein system includes：Input equipment inputs first voltage signal to the circuit to be detected for the input terminal in the circuit to be detected composed by track circuit to be detected；Detection device, for based on the first voltage signal in the partial pressure of the test side in the circuit to be detected to determine second voltage signal, and determine the track circuit to be detected in the circuit to be detected with the presence or absence of failure based on the second voltage signal；And matching transformer, it is attached with the detection device and the impedance of the test side at the detection device is converted with scheduled matching transformer no-load voltage ratio, so that the impedance of the test side is lower than secure threshold.
Description
Technical field
The present invention relates to field of rail detection, and relate more specifically to a kind of for carrying out fault detection to track circuit
System and method.
Background technique
In railway operation field, runs the rail fracture on line and seriously threaten traffic safety and be therefore to lead to thing of driving a vehicle
Therefore major hidden danger.Relevant engineering department has formulated anti-broken rail measure for traffic safety.Two kinds of situations of rail break presence, it is a kind of
Be train on rail when driving, due to the effect of impact force, make rail in the fracture of weak or fault location.Most of broken rail is exactly
Refer to such case, referred to as impact broken rail, another kind is that one section is artificially removed caused by normal operation or artificial destruction
Rail referred to as removes broken rail.In general, taking preventive measures is the important channel for avoiding broken rail from occurring and causing accident.For
The prevention of broken rail should also strengthen rail other than requiring train speed and load to meet regulation and purchase the rail of high quality
It is various flaw detection operation (including large-scale rail-defect detector car operation, the operation of hand push flaw detection trolley and trackwalker's operation) management and mention
The quality of the high various flaw detection operations of rail.
No matter but which kind of rail examination operation because there are problems that duty cycle, defect-detecting equipment itself, there may be matter
Amount problem or there are human factor (the especially operations of hand push flaw detection trolley and trackwalker's operation), it is impossible to discovery steel completely
Rail defect is to prevent broken rail and find broken rail in time.Broken rail once occurs, it is desirable that can at least carry out vehicle forwards and issue signal simultaneously
It has been allowed to enough time and has taken the precautionary measures, otherwise, the great serious accident of car crash will have been caused.Broken rail is found in time
And prevent the generation of pernicious operation accident, it is necessary to real-time detection broken rail.
For the interior shunting badness that solves to stand, the whole nation carries out train occupation inspection using high-voltage pulse track circuit on a large scale at present
It looks into.But since pulse signal frequency is low, transmission loss is small, the signal detour after be easy to causeing broken rail.In this case, usually
It causes half wave track circuit not have Broken rail detection function, brings very big security risk.In the existing solution, it is
Half wave track circuit is set to have Broken rail detection function in the electrical dialysis of rail, the mode for generalling use cutting rail is examined
It surveys.One section is cut into 2 sections, Broken rail detection function is met by limitation section length.For example, by 1000m's
Rail is cut into the rail of 2 500m, to form two track circuit sections.
The mode labor intensive and material resources of this cutting rail, and the quantity of operating facilities required after cutting is double.
For this purpose, the prior art needs additional laying cable, and therefore increase cost.
Summary of the invention
The present invention utilizes high no-load voltage ratio transformer, reduces track circuit receiving-end impedance, can substantially reduce detour signal and exist
The partial pressure of receiving end, to realize the Broken rail detection of half wave track circuit.
To solve the above-mentioned problems, it the present invention provides a kind of system for carrying out fault detection to track circuit, uses
In in track circuit electrical breaks carry out fault detection, the system comprises：
Input equipment, for the input terminal in the circuit to be detected composed by track circuit to be detected to described to be checked
Survey time road inputs first voltage signal；
Detection device, for being determined based on the first voltage signal in the partial pressure of the test side in the circuit to be detected
Second voltage signal, and determine that the track circuit to be detected in the circuit to be detected is based on the second voltage signal
It is no that there are failures；And
Matching transformer is attached and with scheduled matching transformer no-load voltage ratio to the detection with the detection device
The impedance of test side at equipment is converted, so that the impedance of the test side is lower than secure threshold.
The track circuit includes the first track circuit and the second track circuit.
When broken rail failure is not present in the track circuit, by the first track circuit, the second track circuit and test side structure
At the circuit to be detected.
When the track circuit is there are when broken rail failure, it is made of the first track circuit, detour track circuit and test side
The circuit to be detected.
Wherein second track circuit is that there are the track circuits of broken rail failure.
Based on the first voltage signal, the impedance of the first track circuit, the impedance of the second track circuit and test side
Impedance determines the first voltage signal in the partial pressure of the test side in the circuit to be detected.
, based on the first voltage signal, the impedance of the first track circuit, the impedance of detour track circuit and test side
Impedance determines the first voltage signal in the partial pressure of the test side in the circuit to be detected.
When the second voltage signal is higher than voltage threshold, determining the track circuit, there is no broken rail failures.
When the second voltage signal is less than or equal to voltage threshold, determining the track circuit, there are broken rail failures.
According to another aspect of the present invention, provide it is a kind of for track circuit carry out fault detection method, for pair
Electrical breaks in track circuit carry out fault detection, the method includes：
The circuit to be detected composed by track circuit to be detected input terminal to the circuit to be detected input the
One voltage signal；
The impedance of test side is converted with scheduled matching transformer no-load voltage ratio, so that the impedance of the test side is lower than
Secure threshold；And
For determining second voltage in the partial pressure of the test side in the circuit to be detected based on the first voltage signal
Signal, and determine the track circuit to be detected in the circuit to be detected with the presence or absence of event based on the second voltage signal
Barrier.
The track circuit includes the first track circuit and the second track circuit.
When broken rail failure is not present in the track circuit, by the first track circuit, the second track circuit and test side structure
At the circuit to be detected.
When the track circuit is there are when broken rail failure, it is made of the first track circuit, detour track circuit and test side
The circuit to be detected.
Wherein second track circuit is that there are the track circuits of broken rail failure.
Based on the first voltage signal, the impedance of the first track circuit, the impedance of the second track circuit and test side
Impedance determines the first voltage signal in the partial pressure of the test side in the circuit to be detected.
Based on the first voltage signal, the impedance of the first track circuit, the impedance of detour track circuit and test side
Impedance determines the first voltage signal in the partial pressure of the test side in the circuit to be detected.
When the second voltage signal is higher than voltage threshold, determining the track circuit, there is no broken rail failures.
When the second voltage signal is less than or equal to voltage threshold, determining the track circuit, there are broken rail failures.
It is using the advantage after technical solution of the present invention：It can be cut to avoid the rail of long section, save cost
In the case of can have a high safety again.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
The schematic diagram of track circuit working condition when Fig. 1 is the normal operation according to embodiment of the present invention；
Fig. 2 is there are the schematic diagrames of track circuit working condition when broken rail situation according to the rail of embodiment of the present invention；
Fig. 3 is there are the equivalent circuits for when broken rail situation including detour circuit according to the rail of embodiment of the present invention
Figure；
Fig. 4 is there are use matching transformer to carry out impedance transformation when broken rail situation according to the rail of embodiment of the present invention
Equivalent circuit diagram；
Fig. 5 is the structural representation according to the system for carrying out fault detection to track circuit of embodiment of the present invention
Figure；And
Fig. 6 is the flow chart according to the method for carrying out fault detection to track circuit of embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
The schematic diagram of track circuit working condition when Fig. 1 is the normal operation according to embodiment of the present invention.Pulse at present
Track circuit, which generally includes sending device, receiving device, cable (or adjustment resistance) and matching transformer, (can also be referred to as
Choke transformer or track transformer).Wherein choke transformer or track transformer play the role of being impedance matching, and because
This application is referred to as matching transformer, and the application, which passes through, utilizes high no-load voltage ratio matching transformer, is meeting half wave track circuit just
Under the premise of normal transmission requirement, Broken rail detection function can be realized.As shown in Figure 1, track circuit working condition when operating normally
For：Sending device issues signal, via rail channel transfer, eventually arrives at receiving device.The signal that receiving device receives
For the signal after receiving-end impedance and rail impedance partial pressure.
Fig. 2 is there are the schematic diagrames of track circuit working condition when broken rail situation according to the rail of embodiment of the present invention.
The application's carries out broken rail detection scheme using rail as circuit, by transmitting and receiving electric signal based on track circuit principle
(voltage or electric current) is to determine whether occur broken rail.Broken rail detection, which is carried out, based on track circuit principle only focuses on broken rail detection function
Can, without considering train occupation detection and train information transmission.Therefore, the structure of broken rail detection is carried out based on track circuit principle
More simply, cost is lower and reliability is higher.
In electric railway, electric power whether is provided by third rail or overhead contact line, rail is all traction current
Circuit.The main target of design traction return current circuits is to keep supply voltage fall minimum, while reducing to trackside equipment
Influence.For this purpose, equipped with bond wire to ensure the vertical continuity to flow back at rail joint.Two rail of one route it
Between and adjacent two lines road between, at a certain distance be equipped with shorting stub, to provide parallel transmission paths.In overhead contact line
In system, link together between rail and trackside support structure, return wire also by connection conductor.It so constitutes and is interconnected
Circuit network, allow traction current by all rail (rail including adjacent lines), and make the two of a route
Electric current in bar rail is equal.Traction current broken rail detection method uses based on complete traction return current circuits.Any one
Electric current in root rail is only blocked in rail fracture.
Under normal conditions, after rail broken rail, transmission channel is cut off, and it is zero that receiving end, which receives signal, to realize
Broken rail detection.But since, there are external detour circuit, receiving end signal can't be zero in actual environment, working condition is as schemed
Shown in 2.The application carries out fault detection to the electrical breaks in track circuit：As composed by track circuit to be detected to
After the input terminal of measure loop inputs first voltage signal to the circuit to be detected, with scheduled matching transformer no-load voltage ratio to inspection
The impedance for surveying end is converted, so that the impedance of the test side is lower than secure threshold.Based on the first voltage signal in institute
The partial pressure of the test side in circuit to be detected is stated to determine second voltage signal, and based on described in second voltage signal determination
Track circuit to be detected in circuit to be detected whether there is failure.
Wherein, track circuit includes the first track circuit and the second track circuit.When broken rail is not present in the track circuit
When failure, the circuit to be detected is constituted by the first track circuit, the second track circuit and test side.When the track circuit is deposited
In broken rail failure, the circuit to be detected is constituted by the first track circuit, detour track circuit and test side.Wherein described
Two track circuits are that there are the track circuits of broken rail failure.Based on the first voltage signal, the impedance of the first track circuit,
The impedances of two track circuits and the impedance of test side determine the first voltage signal in the test side in the circuit to be detected
Partial pressure.Based on the first voltage signal, the impedance of the first track circuit, the impedance of detour track circuit and test side resistance
Resist to determine the first voltage signal in the partial pressure of the test side in the circuit to be detected.
Sending device issues signal at this time, is passed via the detour return passage after non-broken rail rail channel and broken rail
Defeated, receiving end signal is the signal after the partial pressure of receiving-end impedance and rail impedance and circuitous channel impedance, and equivalent circuit is such as
Shown in Fig. 3, shown in receiving-end voltage such as formula (1).Fig. 3 is there are packets when broken rail situation according to the rail of embodiment of the present invention
Include the equivalent circuit diagram in detour circuit.
When U3 is smaller, closer to zero, Broken rail detection more easy to accomplish.Therefore it can be determined by formula (1) can not
In the case where changing rail channel and circuitous channel, U3 is directly proportional to receiving-end impedance Z3, i.e., Z3 is smaller, and U3 is smaller, more holds
Easily realize Broken rail detection.
In order to keep Z3 small as far as possible, using the impedance shift theory of matching transformer, as shown in Figure 4.Fig. 4 is according to the present invention
There are the equivalent circuit diagrams for carrying out impedance transformation when broken rail situation using matching transformer for the rail of embodiment.Therefore, it is giving
In the case where determining Z4, matching transformer no-load voltage ratio is higher, and receiving-end impedance Z3 is smaller, and receiving end signal U3 is smaller when broken rail, then breaks
Rail is more readily inspected, as shown in formula (2)：
When the second voltage signal is higher than voltage threshold, determining the track circuit, there is no broken rail failures.Work as institute
When stating second voltage signal less than or equal to voltage threshold, determining the track circuit, there are broken rail failures.
Fig. 5 is to be shown according to the structure of the system 500 for carrying out fault detection to track circuit of embodiment of the present invention
It is intended to.System 500 is used to carry out fault detection to the electrical breaks in track circuit.It is formed by track circuit to be detected
Circuit to be detected input terminal to after the circuit to be detected input first voltage signal, system 500 is become with scheduled matching
Transformer voltage ratio converts the impedance of test side, so that the impedance of the test side is lower than secure threshold.System 500 is based on institute
It states first voltage signal and determines second voltage signal in the partial pressure of the test side in the circuit to be detected, and based on described the
Two voltage signals determine the track circuit to be detected in the circuit to be detected with the presence or absence of failure
System 500 includes：Input equipment 501, detection device 502 and matching transformer 503.Input equipment 501 is used for
Input terminal in the circuit to be detected composed by track circuit to be detected is believed to the input first voltage in circuit to be detected
Number.The track circuit includes the first track circuit and the second track circuit.When broken rail failure is not present in the track circuit,
The circuit to be detected is constituted by the first track circuit, the second track circuit and test side.When there are broken rails for the track circuit
When failure, the circuit to be detected is constituted by the first track circuit, detour track circuit and test side.
Detection device 502 is used to come based on the first voltage signal in the partial pressure of the test side in the circuit to be detected true
Determine second voltage signal, and the track circuit to be detected in the circuit to be detected is determined based on the second voltage signal
With the presence or absence of failure.Wherein second track circuit is that there are the track circuits of broken rail failure.Believed based on the first voltage
Number, the impedance of the first track circuit, the impedance of the second track circuit and the impedance of test side determine the first voltage signal
Partial pressure in the test side in the circuit to be detected.Based on the first voltage signal, the impedance of the first track circuit, detour rail
The impedance of road route and the impedance of test side determine the first voltage signal in point of the test side in the circuit to be detected
Pressure.When the second voltage signal is higher than voltage threshold, determining the track circuit, there is no broken rail failures.When described second
When voltage signal is less than or equal to voltage threshold, determining the track circuit, there are broken rail failures.
Matching transformer 503 and the detection device are attached and with scheduled matching transformer no-load voltage ratio to the inspection
The impedance of test side at measurement equipment is converted, so that the impedance of the test side is lower than secure threshold.Under normal conditions, steel
After rail broken rail, transmission channel is cut off, and it is zero that receiving end, which receives signal, to realize Broken rail detection.But due to actual rings
There are external detour circuit in border, receiving end signal can't be zero.Sending device issues signal at this time, via non-broken rail steel
Detour return passage behind rail channel and broken rail is transmitted, and receiving end signal is that receiving-end impedance and rail impedance and detour are logical
Signal after the partial pressure of road impedance, wherein shown in receiving-end voltage such as formula (1)：
When U3 is smaller, closer to zero, Broken rail detection more easy to accomplish.Therefore rail can not changed by formula (2)
In the case where channel and circuitous channel, U3 is directly proportional to receiving-end impedance Z3, i.e., Z3 is smaller, and U3 is smaller, more easy to accomplish disconnected
Rail inspection.
In order to keep Z3 small as far as possible, the impedance shift theory of matching transformer is utilized.Therefore, in the case where given Z4,
Higher with transformer voltage ratio, receiving-end impedance Z3 is smaller, and receiving end signal U3 is smaller when broken rail, then broken rail is more readily inspected, such as
Shown in formula (2)：
Fig. 6 is the flow chart according to the method 600 for carrying out fault detection to track circuit of embodiment of the present invention.
Method 600 is since step 601 place.Input in step 601, in the circuit to be detected as composed by track circuit to be detected
It holds to the input first voltage signal in circuit to be detected.In step 602, with scheduled matching transformer no-load voltage ratio to test side
Impedance is converted, so that the impedance of the test side is lower than secure threshold.It is used to believe based on the first voltage in step 603
Number second voltage signal is determined in the partial pressure of the test side in the circuit to be detected, and based on the second voltage signal true
Track circuit to be detected in the fixed circuit to be detected whether there is failure.
Wherein, the track circuit includes the first track circuit and the second track circuit.When the track circuit is not present
When broken rail failure, the circuit to be detected is constituted by the first track circuit, the second track circuit and test side.When the railway line
Road constitutes the circuit to be detected by the first track circuit, detour track circuit and test side there are when broken rail failure.
Wherein second track circuit is that there are the track circuits of broken rail failure.Method 600 is based on the first voltage
Signal, the impedance of the first track circuit, the impedance of the second track circuit and the impedance of test side determine first voltage letter
Number the circuit to be detected test side partial pressure.Resistance of the method 600 based on the first voltage signal, the first track circuit
The anti-, impedance of detour track circuit and the impedance of test side determine the first voltage signal in the inspection in the circuit to be detected
Survey the partial pressure at end.When the second voltage signal is higher than voltage threshold, determining the track circuit, there is no broken rail failures.When
When the second voltage signal is less than or equal to voltage threshold, determining the track circuit, there are broken rail failures.Under normal conditions,
After rail broken rail, transmission channel is cut off, and it is zero that receiving end, which receives signal, to realize Broken rail detection.But due to reality
There are external detour circuit in environment, receiving end signal can't be zero.Sending device issues signal at this time, via non-broken rail
Detour return passage behind rail channel and broken rail is transmitted, and receiving end signal is receiving-end impedance and rail impedance and detour
Signal after the partial pressure of channel impedance, wherein shown in receiving-end voltage such as formula (1)：
When U3 is smaller, closer to zero, Broken rail detection more easy to accomplish.Therefore rail can not changed by formula (2)
In the case where channel and circuitous channel, U3 is directly proportional to receiving-end impedance Z3, i.e., Z3 is smaller, and U3 is smaller, more easy to accomplish disconnected
Rail inspection.
In order to keep Z3 small as far as possible, the impedance shift theory of matching transformer is utilized.Therefore, in the case where given Z4,
Higher with transformer voltage ratio, receiving-end impedance Z3 is smaller, and receiving end signal U3 is smaller when broken rail, then broken rail is more readily inspected, such as
Shown in formula (2)：
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
Defined by subsidiary Patent right requirement, in addition to the present invention other embodiments disclosed above equally fall in it is of the invention
In range.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one example being construed in described device, component etc., unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (18)
1. a kind of system for carrying out fault detection to track circuit, for carrying out failure to the electrical breaks in track circuit
Detection, the system comprises：
Input equipment, for the input terminal in the circuit to be detected composed by track circuit to be detected to the survey time to be checked
Road inputs first voltage signal；
Detection device, for determining second in the partial pressure of the test side in the circuit to be detected based on the first voltage signal
Voltage signal, and determine whether the track circuit to be detected in the circuit to be detected is deposited based on the second voltage signal
In failure；And
Matching transformer is attached and with scheduled matching transformer no-load voltage ratio to the detection device with the detection device
The impedance of the test side at place is converted, so that the impedance of the test side is lower than secure threshold.
2. system according to claim 1, the track circuit includes the first track circuit and the second track circuit.
3. system according to claim 2, when broken rail failure is not present in the track circuit, by the first track circuit,
Second track circuit and test side constitute the circuit to be detected.
4. system according to claim 2, when the track circuit is there are when broken rail failure, by the first track circuit, circuitous
It returns track circuit and test side constitutes the circuit to be detected.
5. system according to claim 4, wherein second track circuit is that there are the track circuits of broken rail failure.
6. system according to claim 3, based on the first voltage signal, the impedance of the first track circuit, the second rail
The impedance of road route and the impedance of test side determine the first voltage signal in point of the test side in the circuit to be detected
Pressure.
7. system according to claim 4, based on the first voltage signal, the impedance of the first track circuit, detour rail
The impedance of road route and the impedance of test side determine the first voltage signal in point of the test side in the circuit to be detected
Pressure.
8. system according to claim 1 determines the railway line when the second voltage signal is higher than voltage threshold
Broken rail failure is not present in road.
9. system according to claim 1, when the second voltage signal is less than or equal to voltage threshold, described in determination
There are broken rail failures for track circuit.
10. a kind of method for carrying out fault detection to track circuit, for carrying out event to the electrical breaks in track circuit
Barrier detection, the method includes：
Input terminal in the circuit to be detected composed by track circuit to be detected is electric to the circuit input first to be detected
Press signal；
The impedance of test side is converted with scheduled matching transformer no-load voltage ratio, so that the impedance of the test side is lower than safety
Threshold value；And
For determining second voltage signal in the partial pressure of the test side in the circuit to be detected based on the first voltage signal,
And determine the track circuit to be detected in the circuit to be detected with the presence or absence of failure based on the second voltage signal.
11. according to the method described in claim 10, the track circuit includes the first track circuit and the second track circuit.
12. according to the method for claim 11, when broken rail failure is not present in the track circuit, by the first railway line
Road, the second track circuit and test side constitute the circuit to be detected.
13. according to the method for claim 11, when the track circuit is there are when broken rail failure, by the first track circuit,
Detour track circuit and test side constitute the circuit to be detected.
14. according to the method for claim 13, wherein second track circuit is that there are the track circuits of broken rail failure.
15. according to the method for claim 12, based on the first voltage signal, the impedance of the first track circuit, second
The impedance of track circuit and the impedance of test side determine the first voltage signal in the test side in the circuit to be detected
Partial pressure.
16. according to the method for claim 13, based on the first voltage signal, the impedance of the first track circuit, detour
The impedance of track circuit and the impedance of test side determine the first voltage signal in the test side in the circuit to be detected
Partial pressure.
17. according to the method described in claim 10, determining the track when the second voltage signal is higher than voltage threshold
Broken rail failure is not present in route.
18. according to the method described in claim 10, determining institute when the second voltage signal is less than or equal to voltage threshold
Stating track circuit, there are broken rail failures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551288.XA CN108819986B (en) | 2018-05-31 | 2018-05-31 | System and method for fault detection of track line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551288.XA CN108819986B (en) | 2018-05-31 | 2018-05-31 | System and method for fault detection of track line |
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| CN108819986A true CN108819986A (en) | 2018-11-16 |
| CN108819986B CN108819986B (en) | 2020-09-29 |
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| CN201810551288.XA Active CN108819986B (en) | 2018-05-31 | 2018-05-31 | System and method for fault detection of track line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109800382A (en) * | 2018-12-27 | 2019-05-24 | 河北省科学院应用数学研究所 | Broken rail detection method and device |
| CN112319542A (en) * | 2020-10-27 | 2021-02-05 | 江南大学 | Shunting bad track testing device |
| CN112693500A (en) * | 2021-01-26 | 2021-04-23 | 赵路平 | Portable railway fault diagnosis device and diagnosis method thereof |
| CN113358975A (en) * | 2021-06-11 | 2021-09-07 | 南方电网数字电网研究院有限公司 | Fault detection method and device for power transmission network, computer equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543797Y (en) * | 2002-05-24 | 2003-04-09 | 北京全路通信信号研究设计院 | Rail track broken detector |
| 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 |
| WO2016042182A1 (en) * | 2014-09-15 | 2016-03-24 | Instalaciones Inabensa, S.A. | System and method for detecting broken rails on a railway line |
| WO2017175439A1 (en) * | 2016-04-04 | 2017-10-12 | 三菱電機株式会社 | Rail breakage detection device |
| CN107682033A (en) * | 2017-09-26 | 2018-02-09 | 上海新海信通信息技术有限公司 | The transceiver of railway track broken rail monitoring system |
-
2018
- 2018-05-31 CN CN201810551288.XA patent/CN108819986B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2543797Y (en) * | 2002-05-24 | 2003-04-09 | 北京全路通信信号研究设计院 | Rail track broken detector |
| 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 |
| WO2016042182A1 (en) * | 2014-09-15 | 2016-03-24 | Instalaciones Inabensa, S.A. | System and method for detecting broken rails on a railway line |
| WO2017175439A1 (en) * | 2016-04-04 | 2017-10-12 | 三菱電機株式会社 | Rail breakage detection device |
| CN107682033A (en) * | 2017-09-26 | 2018-02-09 | 上海新海信通信息技术有限公司 | The transceiver of railway track broken rail monitoring system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109800382A (en) * | 2018-12-27 | 2019-05-24 | 河北省科学院应用数学研究所 | Broken rail detection method and device |
| CN112319542A (en) * | 2020-10-27 | 2021-02-05 | 江南大学 | Shunting bad track testing device |
| CN112693500A (en) * | 2021-01-26 | 2021-04-23 | 赵路平 | Portable railway fault diagnosis device and diagnosis method thereof |
| CN112693500B (en) * | 2021-01-26 | 2022-12-20 | 赵路平 | Portable railway fault diagnosis device and diagnosis method thereof |
| CN113358975A (en) * | 2021-06-11 | 2021-09-07 | 南方电网数字电网研究院有限公司 | Fault detection method and device for power transmission network, computer equipment and storage medium |
| CN113358975B (en) * | 2021-06-11 | 2023-01-20 | 南方电网数字电网研究院有限公司 | Fault detection method and device for power transmission network, computer equipment and storage medium |
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