CN106444725B - Anti-collision speed regulation control system for railway hump field vehicle sliding place - Google Patents
Anti-collision speed regulation control system for railway hump field vehicle sliding place Download PDFInfo
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- CN106444725B CN106444725B CN201611056719.2A CN201611056719A CN106444725B CN 106444725 B CN106444725 B CN 106444725B CN 201611056719 A CN201611056719 A CN 201611056719A CN 106444725 B CN106444725 B CN 106444725B
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 73
- 230000006854 communication Effects 0.000 claims abstract description 64
- 238000004891 communication Methods 0.000 claims abstract description 64
- 239000013307 optical fiber Substances 0.000 claims abstract description 36
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 25
- 238000011065 in-situ storage Methods 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 4
- 206010033799 Paralysis Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses an anti-collision speed regulation control system for a railway hump field vehicle sliding place, which mainly comprises the following components: the indoor equipment and the field equipment exchange control commands and data in an optical fiber communication mode; the field device comprises a plurality of mutually independent local speed regulation control units; each in-situ speed regulation control unit is independently arranged on a speed reducer section of the track, and is respectively connected with the peripheral basic equipment of the track where the speed regulation control unit is positioned and the length measurement equipment near the peripheral basic equipment of the track where the speed regulation control unit is positioned, and the speed regulation control is carried out on the running car group according to the acquired information. The system eliminates lightning and electrification interference and improves the safety and reliability of the hump sliding speed regulation control system; in addition, a large amount of cables and engineering construction cost are saved, equipment such as an indoor and outdoor distribution board combined frame is simplified, and occupied space is reduced.
Description
Technical Field
The invention relates to the technical field of automatic control of railway marshalling stations, in particular to a speed regulation control system for a railway hump yard vehicle in a sliding place.
Background
At present, the railway hump field vehicle sliding speed regulation control systems at home and abroad all adopt a remote control mode, a computer control host is placed in a hump signal building, and remote monitoring and control are carried out on outdoor field control and measurement equipment through a signal cable. Long-term operation practice shows that the remote control mode of the railway hump field vehicle sliding speed regulation has the following defects:
one is that the remote control is susceptible to electromagnetic interference from lightning and electrified catenary. Lightning and electrification interference signals are conducted through electromagnetic induction and public grounding and enter a signal cable laid in a long distance, so that interference and damage are caused to indoor computer control equipment and outdoor basic equipment. The railway hump field can generate accidents of control equipment damage and even system paralysis caused by multi-cause lightning strike every year. In a hump field close to an electrified contact net, the length measurement signal and the radar speed measurement signal are interfered by an electrified space electromagnetic field and ground current to different degrees, so that the normal use of speed regulation equipment is influenced, and the safety of vehicle sliding operation is endangered. This disadvantage is structural and is also difficult to solve fundamentally with lightning protection and anti-interference shielding measures.
Secondly, the equipment is complex in structure, engineering and material costs of a large number of laid signal cables are high, maintenance and replacement are difficult, maintenance workload is large, overhaul cost is high, and the service life of hump speed regulation control equipment is influenced.
Disclosure of Invention
The invention aims to provide a speed regulation control system for a hump car in-situ running place of a railway, which eliminates lightning and electrified interference, reduces the construction cost of the system and improves the safety and reliability of the hump running speed regulation control system; in addition, a large amount of cables and engineering construction cost are saved, equipment such as an indoor and outdoor distribution board combined frame is simplified, and occupied space is reduced. A governor unit is provided that facilitates placement on a marshalling line.
The invention aims at realizing the following technical scheme:
a railway hump car roll-off site speed control system comprising: the indoor equipment and the field equipment exchange control commands and data in an optical fiber communication mode;
the field device comprises a plurality of mutually independent local speed regulation control units; each in-situ speed regulation control unit is independently arranged on a speed reducer section of the track and is respectively connected with peripheral basic equipment and length measuring equipment of the track where the speed regulation control unit is positioned in an electric isolation mode, and speed regulation control is carried out on the running vehicle group according to the acquired information.
The indoor equipment and the field equipment adopt a double-optical-fiber redundant communication mode, and the communication protocol adopts an asynchronous serial communication protocol or an Ethernet communication protocol.
The network structure of the optical fiber communication mode between the indoor equipment and the field equipment is in a direct connection mode, namely, an in-situ speed regulation control unit on each track is provided with an independent communication optical fiber which is directly connected to the indoor equipment;
or the network structure is in a relay mode, namely an optical port communication relay is arranged in the field device, the in-situ speed regulation control unit on each station is connected to the optical port communication relay through optical fibers, and double-network and bidirectional information exchange is realized between the optical port communication relay and the indoor device.
The peripheral base device includes: radar, speed reducer, wheel sensor and track circuit.
The local speed regulation control unit is connected with the track circuit by adopting a digital circuit interface so as to realize photoelectric isolation.
The indoor device includes: the system comprises a speed regulation terminal, a maintenance terminal, a network server and a photoelectric communication conversion interface; the speed regulation terminal and the maintenance terminal are respectively connected with a network server, and the network server is connected with the field device through a photoelectric communication conversion interface.
The indoor device further includes: an emergency control console for controlling the actions of the speed reducer through the local speed regulation control unit in emergency; the emergency control console and the local speed regulation control unit adopt a double-fiber redundancy communication mode through a network server.
The local speed regulation control unit comprises: the system comprises a double-machine control main board, an optical fiber communication board, a signal acquisition board, a relay driving board, an emergency control board and a signal and power interface panel; wherein:
the double-machine control main board circuit comprises two sets of microprocessor control circuits and a double-machine hot standby automatic switching circuit connected with the two sets of microprocessor control circuits; the optical fiber communication board is in charge of communicating with the indoor equipment and the length measuring equipment in the stock way; the signal acquisition board is used for processing radar signals, wheel sensor signals, track circuit signals and speed reducer action representing signals in the peripheral control equipment; the relay driving board comprises a solid relay and a control circuit thereof and is used for controlling and outputting the voltage for driving the electromagnetic valve of the speed reducer to act; the emergency control board is responsible for executing an emergency control instruction of an emergency control console in the indoor equipment; the signal and power interface panel provides a signal input/output interface and a power input interface.
According to the above factors, the technical scheme provided by the invention can be seen that 1) the local speed regulation control host is directly arranged on the site of the speed reducer section and is directly connected with related radars, speed reducers, length measurement, wheel sensors, track circuits and length measurement equipment nearby. The traditional wired signal cable connection mode between each foundation device and the hump signal building on site is changed, a large amount of cables and engineering construction cost are saved, the equipment such as an indoor and outdoor distribution board combined frame is simplified, and the occupied space of the site and a machine room is reduced. 2) The optical fiber communication mode is adopted to realize the transmission of remote commands and data, thereby fundamentally eliminating the possibility that lightning and electrification interference enter the system from a transmission channel, solving the defect that the existing speed regulation control system is easy to be interfered by lightning and electrification, and improving the safety and reliability of the hump sliding speed regulation control system. 3) Each track device is controlled in a scattered and independent way. Each station track adopts an independent on-site speed regulation control unit, only collects the data of the measuring equipment of the station track, controls the speed reducer of the station track, exchanges data with indoor equipment through an independent optical fiber channel, and supplies power to the equipment through an isolation transformer. The tracks have no signal association and no mutual influence, and belong to a completely independent distributed control system. The structure mode of the scattered independent control avoids the possibility of full-field paralysis caused by various unexpected factors such as equipment failure, dead halt and the like, and further improves the safety and the reliability of the system. Meanwhile, each stock way is independently controlled, and great convenience is brought to use and maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a railway hump car roll-off local speed regulation control system provided by an embodiment of the invention;
FIG. 2 is a block diagram of a communication structure between an indoor device and a field device in a direct connection mode according to an embodiment of the present invention;
FIG. 3 is a block diagram of a communication structure between an indoor device and a field device in a relay mode according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating communication connection between an emergency console and an in-situ speed regulation control unit in an indoor device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an internal structure of an in-situ speed regulation control unit according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the 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 fall within the scope of the invention.
Fig. 1 is a schematic diagram of a railway hump car roll-off site speed regulation control system provided by an embodiment of the invention. As shown in fig. 1, it mainly includes: the indoor equipment and the field equipment exchange control commands and data in an optical fiber communication mode so as to avoid the introduction of lightning and electrification interference from a communication line;
the field device comprises a plurality of mutually independent local speed regulation control units; each in-situ speed regulation control unit is independently arranged on a speed reducer section of the track and is respectively connected with peripheral basic equipment and length measuring equipment of the track where the speed regulation control unit is positioned in an electric isolation mode, and speed regulation control is carried out on the running vehicle group according to the acquired information.
Preferably, the indoor device and the field device adopt a dual-optical-fiber redundancy communication mode, and the communication protocol adopts an asynchronous serial communication protocol or an Ethernet communication protocol.
In an embodiment of the present invention, the peripheral base device includes: radar, speed reducer, wheel sensor and track circuit. The on-site speed regulation control units of different tracks and the foundation equipment (peripheral foundation equipment and length measuring equipment) are completely electrically isolated. Each stock way is connected with the communication exchange server by adopting an independent fiber channel; the electric isolation of power supply is realized by each strand way by adopting an isolation transformer. Preferably, the in-situ speed regulation control unit and the length measuring equipment exchange data in an optical fiber communication mode so as to thoroughly eliminate the risk that lightning is introduced into the system through the length measuring section steel rail; the local speed regulation control unit is connected with the track circuit by adopting a digital circuit interface so as to realize photoelectric isolation.
In the embodiment of the invention, the local speed regulation control unit collects the information of radar, length measurement, track circuit, wheel sensor, speed reducer state and the like of the track, automatically controls the action of the speed reducer in real time, and controls the speed of the running vehicle group.
In an embodiment of the present invention, the indoor device includes: the system comprises a speed regulation terminal, a maintenance terminal, a network server and a photoelectric communication conversion interface; the speed regulation terminal and the maintenance terminal are respectively connected with a network server, and the network server is connected with the field device through a photoelectric communication conversion interface.
The local control unit receives control instructions such as automatic, semi-automatic, manual and the like from the indoor through the optical fiber channel, and the running operation information such as the weight, the number and the type of the train set; and sending state data, alarm data, statistical data, diagnostic data of field devices and the like of the running real-time control process of the train set to the speed regulation terminal and the maintenance terminal.
The network structure of the optical fiber communication mode between the indoor equipment and the field equipment can be a direct connection mode or a relay mode; both network structures employ dual sets of communication networks that are mutually redundant.
As shown in FIG. 2, the communication structure is a block diagram in the direct connection mode, that is, the local speed regulation control unit on each track is provided with an independent communication optical fiber to be directly connected to the indoor equipment, and at this time, the photoelectric communication conversion interface adopts an optical port protocol converter. The direct communication mode device is few, the structure is simple, but the number of the optical fiber cores is more, and the direct communication mode device is suitable for small hump fields with 16 tracks and fewer tracks.
As shown in fig. 3, a communication structure block diagram in a relay mode, that is, an optical port communication relay is arranged in a field device, an in-situ speed regulation control unit on each station track is connected to the optical port communication relay through an optical fiber, and double-network and bidirectional information exchange is realized between the optical port communication relay and an indoor device; at this time, the optical-to-electrical communication conversion interface adopts an optical fiber ethernet converter. The relay communication mode needs to add relay equipment on the site side, but the number of optical fiber cores to be used is small, and the method is suitable for medium-large hump fields with the size of more than 16 tracks.
Optionally, as shown in fig. 4, the indoor device further includes: an emergency control console for controlling the actions of the speed reducer through the local speed regulation control unit in emergency; the emergency console and the local speed regulation control unit adopt a double-optical-fiber redundant communication mode through a network server (not shown in fig. 4). In an emergency situation, a train attendant directly controls the braking and relieving of the speed reducer through the emergency control console; the emergency control console and the field emergency control circuit are in bidirectional communication through an optical fiber network (serial protocol); an independent emergency control module board is arranged in the field control unit at the field side, and emergency control commands are executed. Typically, small humps may not be configured with emergency control devices.
As shown in fig. 5, the local speed regulation control unit includes: the system comprises a double-machine control main board, an optical fiber communication board, a signal acquisition board, a relay driving board, an emergency control board and a signal and power interface panel; wherein: the double-machine control main board and the signal and power interface panel are respectively connected with the optical fiber communication board, the signal acquisition board, the relay driving board and the emergency control board.
The double-machine control main board circuit comprises two sets of microprocessor control circuits and a double-machine hot standby automatic switching circuit connected with the two sets of microprocessor control circuits; the optical fiber communication board is in charge of communicating with the indoor equipment and the length measuring equipment in the stock way; the signal acquisition board is used for processing radar signals, wheel sensor signals, track circuit signals and speed reducer action representing signals in the peripheral control equipment; the relay driving board comprises a solid relay and a control circuit thereof and is used for controlling and outputting the voltage for driving the electromagnetic valve of the speed reducer to act; the emergency control board is responsible for executing an emergency control instruction of an emergency control console in the indoor equipment; the signal and power interface panel provides a signal input/output interface and a power input interface.
In the above scheme provided by the embodiment of the invention, the method mainly has the following advantages:
1) The local speed regulation control host is directly installed on the site of the speed reducer section and is directly connected with related radars, speed reducers, length measuring devices, wheel sensors, track circuits and length measuring devices nearby. The traditional wired signal cable connection mode between each foundation device and the hump signal building on site is changed, a large amount of cables and engineering construction cost are saved, the equipment such as an indoor and outdoor distribution board combined frame is simplified, and the occupied space of the site and a machine room is reduced.
2) The optical fiber communication mode is adopted to realize the transmission of remote commands and data, thereby fundamentally eliminating the possibility that lightning and electrification interference enter the system from a transmission channel, solving the defect that the existing speed regulation control system is easy to be interfered by lightning and electrification, and improving the safety and reliability of the hump sliding speed regulation control system.
3) Each track device is controlled in a scattered and independent way. Each station track adopts an independent on-site speed regulation control unit, only collects the data of the measuring equipment of the station track, controls the speed reducer of the station track, exchanges data with indoor equipment through an independent optical fiber channel, and supplies power to the equipment through an isolation transformer. The tracks have no signal association and no mutual influence, and belong to a completely independent distributed control system. The structure mode of the scattered independent control avoids the possibility of full-field paralysis caused by various unexpected factors such as equipment failure, dead halt and the like, and further improves the safety and the reliability of the system. Meanwhile, each stock way is independently controlled, and great convenience is brought to use and maintenance.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (6)
1. A railway hump car roll-off site speed regulation control system comprising: the indoor equipment and the field equipment exchange control commands and data in an optical fiber communication mode;
the field device comprises a plurality of mutually independent local speed regulation control units; each in-situ speed regulation control unit is independently arranged on a speed reducer section of the track and is respectively connected with peripheral basic equipment and length measuring equipment of the track where the speed regulation control units are positioned in an electric isolation mode, and speed regulation control is carried out on the running vehicle group according to the acquired information;
the local speed regulation control unit comprises: the system comprises a double-machine control main board, an optical fiber communication board, a signal acquisition board, a relay driving board, an emergency control board and a signal and power interface panel; wherein:
the double-machine control main board circuit comprises two sets of microprocessor control circuits and a double-machine hot standby automatic switching circuit connected with the two sets of microprocessor control circuits; the optical fiber communication board is in charge of communicating with the indoor equipment and the length measuring equipment in the stock way; the signal acquisition board is used for processing radar signals, wheel sensor signals, track circuit signals and speed reducer action representing signals in the peripheral control equipment; the relay driving board comprises a solid relay and a control circuit thereof and is used for controlling and outputting the voltage for driving the electromagnetic valve of the speed reducer to act; the emergency control board is responsible for executing an emergency control instruction of an emergency control console in the indoor equipment; the signal and power interface panel provides a signal input and output interface and a power input interface;
the indoor device includes: the system comprises a speed regulation terminal, a maintenance terminal, a network server and a photoelectric communication conversion interface; the speed regulation terminal and the maintenance terminal are respectively connected with a network server, and the network server is connected with the field device through a photoelectric communication conversion interface; the on-site speed regulation control unit receives automatic, semi-automatic and manual control instructions of the indoor equipment and the information of the sliding operation through the optical fiber channel.
2. The railway hump car rolling stock site speed regulation control system of claim 1, wherein the indoor equipment and the field equipment adopt a double-optical-fiber redundancy communication mode, and the communication protocol adopts an asynchronous serial communication protocol or an Ethernet communication protocol.
3. The system according to claim 1 or 2, wherein the network structure of the optical fiber communication mode between the indoor equipment and the field equipment is in a direct connection mode, i.e. the on-site speed regulation control unit on each track is provided with an independent communication optical fiber which is directly connected to the indoor equipment;
or the network structure is in a relay mode, namely an optical port communication relay is arranged in the field device, the in-situ speed regulation control unit on each station is connected to the optical port communication relay through optical fibers, and double-network and bidirectional information exchange is realized between the optical port communication relay and the indoor device.
4. A railway hump car roll-off site speed control system as in claim 1 wherein said peripheral base unit comprises: radar, speed reducer, wheel sensor and track circuit.
5. The railway hump yard vehicle sliding place speed regulation control system according to claim 4, wherein the place speed regulation control unit and the length measuring equipment exchange data in an optical fiber communication mode, and the place speed regulation control unit and the track circuit are connected by adopting a digital circuit interface so as to realize photoelectric isolation.
6. The railway hump car roll-off site speed control system of claim 5, wherein said indoor unit further comprises: an emergency control console for controlling the actions of the speed reducer through the local speed regulation control unit in emergency; the emergency control console and the local speed regulation control unit adopt a double-fiber redundancy communication mode through a network server.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611056719.2A CN106444725B (en) | 2016-11-25 | 2016-11-25 | Anti-collision speed regulation control system for railway hump field vehicle sliding place |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611056719.2A CN106444725B (en) | 2016-11-25 | 2016-11-25 | Anti-collision speed regulation control system for railway hump field vehicle sliding place |
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| CN106444725A CN106444725A (en) | 2017-02-22 |
| CN106444725B true CN106444725B (en) | 2024-04-09 |
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| CN112629853B (en) * | 2020-11-03 | 2023-04-18 | 中国铁道科学研究院集团有限公司通信信号研究所 | Monitoring method for vehicle speed reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9434397B2 (en) * | 2014-08-05 | 2016-09-06 | Panasec Corporation | Positive train control system and apparatus therefor |
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