CN116520190A - Monitoring system for through ground wire - Google Patents
Monitoring system for through ground wire Download PDFInfo
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- CN116520190A CN116520190A CN202310280437.4A CN202310280437A CN116520190A CN 116520190 A CN116520190 A CN 116520190A CN 202310280437 A CN202310280437 A CN 202310280437A CN 116520190 A CN116520190 A CN 116520190A
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- ground wire
- characteristic data
- electrical characteristic
- track circuit
- ground
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000003745 diagnosis Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 15
- 239000013307 optical fiber Substances 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing 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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
-
- 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
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- G01R31/58—Testing of lines, cables or conductors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The application provides a monitoring system of through earth wire, include: the electrical characteristic data acquisition module and the diagnosis equipment are connected in sequence; the ground wire acquisition device is used for acquiring the electrical characteristic data of the through ground wire; the ground wire acquisition device is arranged on a connecting wire of the choke transformer of the uplink steel rail and the connecting wire of the choke transformer of the downlink steel rail and the through ground wire; the choke transformer is used for balancing the potential difference between the uplink steel rail and the downlink steel rail; the diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire based on the track occupation condition and combining the electric characteristic data of the through ground wire. Therefore, the technical problem that the conventional through ground wire fault monitoring method cannot flexibly connect optical fibers or alarm wires, so that the application scene of the through ground wire fault monitoring is limited is solved, and the monitoring stability and convenience of the through ground wire are improved.
Description
Technical Field
The invention relates to the technical field of railway signals, in particular to a monitoring system for a through ground wire.
Background
Although the application of the through ground wire can realize the equipotential connection of the trackside equipment of the ZPW-2000A track circuit, and plays roles in protecting and protecting interference on the equipment, the faults generated during the use of the through circuit easily cause risks such as the interference and damage of the track circuit, the safe operation of a railway system is seriously affected, and the faults of the through circuit cannot generally be directly found out through an intuitive method.
The existing through ground wire fault monitoring method mainly comprises the steps of burying an optical fiber and an alarm wire in the ground wire in advance, detecting the distance between a reflecting point and an injection end by using an optical pulse signal in the optical fiber burying method, and determining whether the through ground wire is broken or not and the position of a breaking point according to the relation between the distance and the total length of the optical fiber; and when the alarm wire is buried, the alarm wire can form an open circuit according to the broken wire of the through ground wire, and the fault is judged by using test equipment to test the capacitance, the resistance and the like. Although the method can realize the monitoring of the through ground wire, the through ground wire is required to be connected to form the through wire during the field construction, the connection of the optical fiber and the connection of the alarm wire are difficult to construct, flexible connection cannot be realized, the field practical application is difficult, and the ground wire monitoring and fault alarm functions cannot be met.
Disclosure of Invention
The invention provides a monitoring system for a through ground wire, which solves the technical problem that the conventional through ground wire fault monitoring method cannot flexibly connect an optical fiber or an alarm wire, so that the through ground wire fault monitoring application scene is limited.
The embodiment of the invention provides a monitoring system for a through ground wire, which comprises the following components: the ground wire acquisition device and the diagnosis equipment are connected in sequence;
the ground wire acquisition device is used for acquiring electrical characteristic data of the through ground wire; the ground wire acquisition device is arranged on a connecting wire of a choke transformer of an uplink steel rail and a through ground wire and a connecting wire of a choke transformer of a downlink steel rail and the through ground wire; the choke transformer is used for balancing potential difference between the uplink steel rail and the downlink steel rail;
the diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire by combining the electrical characteristic data of the through ground wire based on the track occupation condition.
Optionally, the diagnostic device includes: the track circuit outdoor monitoring extension and the diagnosis host;
the track circuit outdoor monitoring extension is used for transmitting the through ground wire electrical characteristic data to the diagnosis host;
the diagnosis host is used for determining the track occupation condition according to the track circuit indoor data; selecting the average value of the historical through ground wire electrical characteristic data as an electrical characteristic data fault threshold value when the track is occupied from a historical database; and determining the fault condition of the through ground wire by combining the fault threshold of the electrical characteristic data and the electrical characteristic data of the through ground wire based on the track occupation condition.
Optionally, the diagnostic host stores complete transverse connection configuration information; the full lateral connection configuration information includes: the serial number information and the installation position information of the ground wire acquisition device and the track circuit information corresponding to the full transverse connection position; the diagnostic host is further configured to:
and when the fault condition is ground wire fault, determining the number information of the target ground wire acquisition device and the installation position information of the target ground wire acquisition device according to the track circuit information of the complete transverse connection position of the fault point.
Optionally, the track circuit information is a track circuit section identifier; and the installation position information of the target ground wire acquisition device is determined by kilometer sign marks in the track circuit section marks.
Optionally, a DTU converter is connected between the ground wire collecting device and the outdoor monitoring extension set of the track circuit; the DTU converter is configured to:
and receiving the through ground wire electrical characteristic data remotely transmitted by the ground wire acquisition device, and transmitting the through ground wire electrical characteristic data to the track circuit outdoor monitoring extension in a linear mode.
Optionally, the ground wire collecting device includes: the wireless transmission module is connected with the acquisition unit;
the acquisition unit is used for acquiring the power-on line electrical characteristic data;
and the wireless transmission module is used for sending the power-on wire electrical characteristic data to the DTU converter.
Optionally, the DTU converter sends the power-on line electrical characteristic data to the track circuit outdoor monitoring extension set through a PLC communication mode or a CAN communication mode.
Optionally, the outdoor monitoring extension sends the through ground wire electrical characteristic data to the diagnosis host through the PLC communication mode or the CAN communication mode.
Optionally, the DTU converter is an RS485 DTU converter.
Optionally, the DTU converter is an Ethernet DTU converter.
The application provides a monitoring system of through earth wire, include: the electrical characteristic data acquisition module and the diagnosis equipment are connected in sequence; the ground wire acquisition device is used for acquiring electrical characteristic data of the through ground wire; the ground wire acquisition device is arranged on a connecting wire of a choke transformer of an uplink steel rail and a through ground wire and a connecting wire of a choke transformer of a downlink steel rail and the through ground wire; the choke transformer is used for balancing potential difference between the uplink steel rail and the downlink steel rail; the diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire by combining the electrical characteristic data of the through ground wire based on the track occupation condition. Because the ground wire acquisition device is arranged in the complete transverse connection, the choke transformers of the two choke transformers for connecting the upper rail and the lower rail are connected with the connecting wire of the through ground wire, and the center point of the choke transformer is connected with the through ground wire, the technical problem that the conventional through ground wire fault monitoring method cannot flexibly connect an optical fiber or an alarm wire, so that the application scene of the through ground wire fault monitoring is limited is solved, and the monitoring stability and convenience of the through ground wire are improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a monitoring system for a through ground wire according to an embodiment of the present application;
fig. 2 is a schematic layout diagram of through ground wire monitoring points of a through ground wire monitoring system according to an embodiment of the present application;
fig. 3 is a schematic diagram of an occupied time period of a monitoring system for a through ground wire according to an embodiment of the present application;
fig. 4 is a schematic diagram of a change of a main rail voltage in a fault state of an occupied time period of a monitoring system of a through ground wire according to an embodiment of the present application;
reference numerals: the device comprises a ground wire collecting device 1, a collecting unit 11, a wireless transmission unit 12, a DTU converter 2, a track circuit outdoor monitoring extension 3, a diagnosis host 4, a steel rail 5, a choke transformer 6, a ground wire collecting point 7 and a through ground wire 8.
Detailed Description
The embodiment of the invention provides a through ground wire monitoring system, which solves the technical problem that the conventional through ground wire fault monitoring method cannot flexibly connect optical fibers or alarm wires, so that the through ground wire fault monitoring application scene is limited.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a monitoring system for a through-ground wire according to an embodiment of the present application, where the system includes: the ground wire acquisition device 1 and the diagnosis equipment are connected in sequence;
the ground wire acquisition device 1 is used for acquiring electrical characteristic data of the through ground wire; referring to fig. 2, fig. 2 is a schematic layout diagram of a through ground wire monitoring point of a through ground wire monitoring system provided in an embodiment of the present application, where the ground wire collecting device 1 is disposed on a connecting line between a choke transformer 6 of an uplink steel rail 5 and a through ground wire 8 and a connecting line between a choke transformer 6 of a downlink steel rail 5 and the through ground wire 8, so as to reach a ground wire collecting point 7 where the ground wire collecting device 1 is laid; the choke transformer 6 is used to balance the potential difference between the upstream rail 5 and the downstream rail 5.
The diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire by combining the electrical characteristic data of the through ground wire based on the track occupation condition.
The through-ground wire 8 is a ground conductor laid along a railway line and used for connecting various electric devices, building (construction) metal members, and the like. The full transverse connection is equipotential connection between two tracks and is directly grounded, in the embodiment of the invention, the upper and lower steel rails 5 are connected in an equipotential manner through a choke transformer 6, and the upper and lower steel rails 5 are connected to a through ground wire 8 through a center point of the choke transformer between the two steel rails 5.
In the embodiment of the invention, an uplink track and a downlink track which are completely and transversely connected are formed, equipotential connection is carried out through two choke transformers 6, the center points of the two choke transformers are connected to a through ground wire 8, and the interval distance between the uplink steel rail 5 and the downlink steel rail 5 which are completely and transversely connected is generally 1.2 km to 4 km.
Further, the diagnostic apparatus includes: the track circuit outdoor monitoring extension 3 and the diagnosis host 4;
the outdoor monitoring extension 3 of the track circuit is used for transmitting the electrical characteristic data of the through ground wire to the diagnosis host 4;
the diagnosis host 4 is used for determining the track occupation condition according to the track circuit indoor data; selecting the average value of the historical through ground wire electrical characteristic data as an electrical characteristic data fault threshold value when the track is occupied from a historical database; and determining the fault condition of the through ground wire by combining the fault threshold of the electrical characteristic data and the electrical characteristic data of the through ground wire based on the track occupation condition.
It should be noted that, the track circuit indoor data, i.e. ZPW-2000A track circuit data, is used for detecting whether the train occupies a section or the section is idle, and when the section is idle, the current on the through ground wire 8 is several tens milliamperes, which is negligible; when the train occupies a section, the through ground wire 8 normally has a large current, typically several tens of amperes. Referring to fig. 3, fig. 3 is a schematic diagram of an occupied time period of the through-ground wire monitoring system provided in the embodiment of the present application, it can be seen that when the time is about 11 points 08 minutes 53 seconds, the section is in an occupied state, referring to fig. 4, fig. 4 is a schematic diagram of a change of a main rail voltage in a fault state of the occupied time period of the through-ground wire monitoring system provided in the embodiment of the present application, and in the same time, the electrical characteristic data of the through-ground wire is 0.38A, so that it can be determined that the through-ground wire 8 has a broken line fault condition at the time.
In addition, in the concrete implementation, according to the collected through ground wire electrical characteristic data, the fault threshold value of the electrical characteristic data can be determined by combining the previously monitored track circuit indoor data, and whether the through ground wire 8 is broken or not can be judged, so that an alarm is realized. The setting of the failure threshold of the electrical characteristic data takes into account traction current when various vehicle types pass, current on the through ground wire 8 when idle, or average value of historical through ground wire electrical characteristic data when the track is occupied.
Further, the diagnostic host 4 stores complete lateral connection configuration information; the full lateral connection configuration information includes: the serial number information and the installation position information of the ground wire acquisition device 1 and the track circuit information corresponding to the full transverse connection position; the diagnostic host 4 is also configured to:
and when the fault condition is ground wire fault, determining the number information of the target ground wire acquisition device and the installation position information of the target ground wire acquisition device according to the track circuit section information of the complete transverse connection position of the fault point.
Further, the track circuit information is a track circuit section identifier; and the installation position information of the target ground wire acquisition device is determined by kilometer sign marks in the track circuit section marks.
In the embodiment of the present invention, the full lateral connection configuration information is a full lateral connection configuration table stored in the diagnostic host 4, and the full lateral connection configuration table includes: the serial number information and the installation position information of the ground wire acquisition device 1, and the track circuit information corresponding to the full lateral connection position. The installation position information of the full transverse line connection acquisition device is determined through kilometer sign marks. When the ground wire fails, that is, the diagnostic host 4 can determine the section type, the full transverse connection ID, the distinguishing length, the kilometer post and other information of the failure point according to the track circuit information of the full transverse connection position of the failure point, so as to determine the label and the position of the failure point, that is, the serial number information of the target ground wire collecting device and the installation position information of the target ground wire collecting device. Illustratively, the full crossline connection configuration table is as follows:
further, a DTU converter 2 is connected between the ground wire acquisition device 1 and the track circuit outdoor monitoring extension 3; the DTU converter 2 is configured to:
the through ground wire electrical characteristic data remotely transmitted by the ground wire acquisition device 1 is received, and the through ground wire electrical characteristic data is transmitted to the track circuit outdoor monitoring extension 3 in a wired form.
In the embodiment of the invention, the data acquired by the ground wire acquisition device 1 needs to be transmitted to the track circuit outdoor monitoring extension 3 in a wireless mode, and the track circuit outdoor monitoring extension is transmitted indoors through a cable, so that the wireless transmission through ground wire electrical characteristic data needs to be converted into the wired transmission through ground wire electrical characteristic data.
Further, the ground wire collecting device 1 includes: a wireless transmission unit 12 connected to the acquisition unit 11;
the acquisition unit 11 is used for acquiring the electrical characteristic data of the ground wire;
the wireless transmission unit 12 is configured to transmit the through-ground wire electrical characteristic data to the DTU converter 2.
Further, the DTU converter 2 sends the power-on line electrical characteristic data to the track circuit outdoor monitoring extension 3 through a PLC communication method or a CAN communication method.
The PLC communication modes mainly include a plurality of communication modes such as RS232, RS485, PPI/MPI, PROFIBUS DP/PA/FMS field bus, ethernet bus, DEVICEnet bus, wireless network and the like.
Further, the track circuit outdoor monitoring extension 3 transmits the through-ground wire electrical characteristic data to the diagnostic host 4 by the PLC communication method or the CAN communication method.
In an alternative embodiment, the DTU converter 2 is an RS485 DTU converter.
In an alternative embodiment, the DTU converter 2 is an Ethernet DTU converter.
It should be noted that, the RS485 DTU adopts the RS485 serial port communication protocol to perform data transmission and conversion, and is suitable for the industrial automation field. The Ethernet DTU adopts an Ethernet communication protocol to perform data transmission and conversion, and is suitable for remote monitoring and control in the range of a local area network.
The embodiment of the application provides a monitoring system of through ground wire, includes: the electrical characteristic data acquisition module and the diagnosis equipment are connected in sequence; the ground wire acquisition device 1 is used for acquiring electrical characteristic data of the through ground wire; the ground wire acquisition device 1 is arranged on a connecting wire of a choke transformer 6 of an uplink steel rail 5 and a through ground wire 8 and a connecting wire of the choke transformer 6 of a downlink steel rail 5 and the through ground wire 8, and the center point of the choke transformer is connected to the through ground wire 8; the choke transformer 6 is used for balancing potential difference between the uplink steel rail 5 and the downlink steel rail 5; the diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire by combining the electrical characteristic data of the through ground wire based on the track occupation condition. Because the ground wire acquisition device 1 is arranged in the complete transverse connection, the two choke transformers 6 connected with the upper and lower steel rails 5 are connected with the through ground wire, and the center point of each choke transformer is arranged on the through ground wire 8, the technical problem that the conventional through ground wire fault monitoring method cannot flexibly connect optical fibers or alarm wires, so that the through ground wire fault monitoring application scene is limited is solved, and the monitoring stability and convenience of the through ground wire 8 are improved.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions to execute all or part of the steps of the methods described in the embodiments of the present application by a computer device (which may be a personal computer, a server, or a network device, etc.). And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
The above embodiments are merely for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. A monitoring system for a through ground wire, comprising: the ground wire acquisition device and the diagnosis equipment are connected in sequence;
the ground wire acquisition device is used for acquiring electrical characteristic data of the through ground wire; the ground wire acquisition device is arranged on a connecting wire of a choke transformer of an uplink steel rail and a through ground wire and a connecting wire of a choke transformer of a downlink steel rail and the through ground wire; the choke transformer is used for balancing potential difference between the uplink steel rail and the downlink steel rail;
the diagnosis equipment is used for determining the track occupation condition according to the accessed track circuit indoor data; and determining the fault condition of the through ground wire by combining the electrical characteristic data of the through ground wire based on the track occupation condition.
2. The through-ground monitoring system according to claim 1, wherein the diagnostic device includes: the track circuit outdoor monitoring extension and the diagnosis host;
the track circuit outdoor monitoring extension is used for transmitting the through ground wire electrical characteristic data to the diagnosis host;
the diagnosis host is used for determining the track occupation condition according to the track circuit indoor data; selecting the average value of the historical through ground wire electrical characteristic data as an electrical characteristic data fault threshold value when the track is occupied from a historical database; and determining the fault condition of the through ground wire by combining the fault threshold of the electrical characteristic data and the electrical characteristic data of the through ground wire based on the track occupation condition.
3. The through-ground monitoring system of claim 2, wherein the diagnostic host has full lateral connection configuration information stored therein; the full lateral connection configuration information includes: the serial number information and the installation position information of the ground wire acquisition device and the track circuit information corresponding to the full transverse connection position; the diagnostic host is further configured to:
and when the fault condition is ground wire fault, determining the number information of the target ground wire acquisition device and the installation position information of the target ground wire acquisition device according to the track circuit information of the complete transverse connection position of the fault point.
4. A through-ground monitoring system according to claim 3, characterized in that the track circuit information is a track circuit section identification; and the installation position information of the target ground wire acquisition device is determined by kilometer sign marks in the track circuit section marks.
5. The through ground wire monitoring system according to claim 2, wherein a DTU converter is connected between the ground wire collecting device and the track circuit outdoor monitoring extension; the DTU converter is configured to:
and receiving the through ground wire electrical characteristic data remotely transmitted by the ground wire acquisition device, and transmitting the through ground wire electrical characteristic data to the track circuit outdoor monitoring extension in a linear mode.
6. The through-ground monitoring system according to claim 5, wherein the ground wire collecting device comprises: the wireless transmission unit is connected with the acquisition unit;
the acquisition unit is used for acquiring the power-on line electrical characteristic data;
the wireless transmission unit is used for sending the power-on wire electrical characteristic data to the DTU converter.
7. The system according to claim 5, wherein the DTU converter transmits the ground wire electrical characteristic data to the track circuit outdoor monitoring extension by PLC communication or CAN communication.
8. The system according to claim 7, wherein the rail circuit outdoor monitoring extension transmits the through-ground electrical characteristic data to the diagnostic host by the PLC communication system or the CAN communication system.
9. The through-ground monitoring system of claim 7, wherein the DTU converter is an RS485 DTU converter.
10. The through-ground monitoring system of claim 7, wherein the DTU converter is an Ethernet DTU converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310280437.4A CN116520190A (en) | 2023-03-21 | 2023-03-21 | Monitoring system for through ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310280437.4A CN116520190A (en) | 2023-03-21 | 2023-03-21 | Monitoring system for through ground wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116520190A true CN116520190A (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310280437.4A Pending CN116520190A (en) | 2023-03-21 | 2023-03-21 | Monitoring system for through ground wire |
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| Country | Link |
|---|---|
| CN (1) | CN116520190A (en) |
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2023
- 2023-03-21 CN CN202310280437.4A patent/CN116520190A/en active Pending
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