CN210284250U - Automatic control system for unattended railway crossing - Google Patents
Automatic control system for unattended railway crossing Download PDFInfo
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- CN210284250U CN210284250U CN201921357582.3U CN201921357582U CN210284250U CN 210284250 U CN210284250 U CN 210284250U CN 201921357582 U CN201921357582 U CN 201921357582U CN 210284250 U CN210284250 U CN 210284250U
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Abstract
The utility model relates to an unmanned on duty railway crossing automatic control system. Comprises a PLC controller, a pedestrian vehicle signal lamp and voice alarm device, a liftable road rod, a train signal indicator lamp, a proximity switch, a pedestrian detection device, a monitoring device, a switch and a signal building control room, the two sides of the railway crossing in the direction parallel to the rails are respectively provided with a pedestrian vehicle signal lamp, a voice alarm device, a liftable railway pole, a train signal indicator lamp and a pedestrian detection device, a monitoring device is installed at a proper position of a high place of a crossing, a proximity switch is respectively installed at a position of a railway track at a certain distance from the crossing, a pedestrian vehicle signal lamp and voice alarm device, a liftable road rod, a train signal indicator lamp, the proximity switch and a pedestrian detection device are respectively connected with a PLC controller through signal control lines, the PLC controller and the monitoring device are respectively connected with an exchanger through network cables, and the exchanger is connected with a signal building control room through optical fibers. The utility model discloses an unmanned of railway crossing.
Description
Technical Field
The utility model relates to a railway crossing automatic control technical field specifically is an unmanned on duty railway crossing automatic control system.
Background
The railway facilities are important infrastructures in China, play an important role in social and economic development, have the advantages of moderate transportation speed, low transportation cost, high safety coefficient in the transportation process, small influence of climate and the like compared with water paths and roads, and have a plurality of large and small roads along the railway, road intersections, namely railway crossings.
The Programmable Logic Controller (PLC) is an industrial control device that develops very rapidly in recent years, and has the characteristics of strong flexibility and high reliability, so that a set of unattended automatic control system for railway crossings based on S7-200PLC is developed for the actual situation of the railway crossings in China.
The safety of railway crossing is always the key object of railway traffic safety, general railway crossing, mostly adopt the interception of someone on duty, come the action of manual control road rod through the state of watching out of locomotive whistle notice or crossing guard's staff, when meetting bad weather visibility poor or unmanned guard's neglect, the safety of railway crossing has just buried huge hidden danger, and railway route is long, the circuit disperses, every crossing all will set up the guard post, the human cost is big, be not convenient for centralized management.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem to a unmanned on duty railway crossing automatic control system is provided, whole no artifical participation, make whole action process reach the unity requirement, in time the pole-lifting, and to the pole-lifting in-process, in time stop the pole-lifting to the vehicle or the pedestrian of rushing the pole, do not have and continue normal action after the action of rushing the pole.
The utility model provides a problem, the technical scheme who adopts is:
an automatic control system for an unattended railway crossing comprises a PLC controller, a pedestrian and vehicle signal lamp and a voice alarm device, a liftable road rod, a train signal indicator light, a proximity switch, a pedestrian detection device, a monitoring device, a switch and a signal building control room, the two sides of the railway crossing in the direction parallel to the rails are respectively provided with a pedestrian vehicle signal lamp, a voice alarm device, a liftable railway pole, a train signal indicator lamp and a pedestrian detection device, a monitoring device is installed at a proper position of a high place of a crossing, a proximity switch is respectively installed at a position of a railway track at a certain distance from the crossing, a pedestrian vehicle signal lamp and voice alarm device, a liftable road rod, a train signal indicator lamp, the proximity switch and a pedestrian detection device are respectively connected with a PLC controller through signal control lines, the PLC controller and the monitoring device are respectively connected with an exchanger through network cables, and the exchanger is connected with a signal building control room through optical fibers.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, its outstanding characteristics are:
① to realize the unmanned railway crossing.
② multiple signal and detection devices, ensuring the safe and normal traffic at the crossing.
③ the signal building can monitor and watch the scene remotely, thus realizing remote management.
Preferably, the present invention further provides:
the PLC controller adopts PLC1200 series PLC produced by Siemens company, the PLC has 24I/O ports, wherein, the input port is 14, the output port is 10, and the PLC can be expanded to 284I/O ports, 67 switching value inputs and 69 switching value outputs; the system is provided with 1 serial communication port and 1 Ethernet communication port and supports PROFINET communication protocol.
The switch adopts an RG-IS2700G series industrial Ethernet switch, wherein 8 power ports of 10/100/1000M are provided; 4 1000BASE-X SFP optical ports, the exchange capacity IS 128G, and the acute network RG-IS2700G series industrial switches not only provide excellent industrial grade quality such as vibration resistance, high/low temperature resistance, dust prevention, lightning protection and the like through the technologies such as fanless heat dissipation circuit design, wide range working environment temperature, high protection grade and the like; and various rich protocols such as routing, switching, safety and the like are integrated, and meanwhile, the public Ethernet multi-ring protection technology (ERPS) is supported, so that the networking flexibility is greatly improved, and the reliability and the safety of the industrial network are enhanced.
The monitoring device consists of a network camera and a hard disk video recorder and is used for monitoring the road condition of the train crossing site.
The pedestrian monitoring device comprises an infrared correlation detection sensor and a small radar monitor and is used for detecting pedestrians and vehicles passing through the railway crossing.
The pedestrian vehicle signal lamp and voice alarm device comprises a pedestrian vehicle signal lamp, an audible and visual alarm and a loudspeaker, and the signal is issued and the audible and visual alarm and the voice are simultaneously broadcasted after the signal sent by the PLC is received.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: a switch 1; a PLC controller 2; a train signal indicator lamp 3; a signal building control room 4; a signal control line 5; a network 6; a monitoring device 7; a liftable track rod 8; a pedestrian monitoring device 9; a train signal indicating lamp 10; a proximity switch 11; a pedestrian and vehicle signal light and voice alarm device 12; a rail 13.
The specific implementation mode is as follows:
the invention will be further described with reference to the following examples, which are intended only for better understanding of the invention and therefore do not limit the scope of the invention.
Referring to fig. 1, an automatic control system for an unattended railway crossing comprises an exchanger 1, a PLC (programmable logic controller) 2, a train signal indicator lamp 3, a signal building control room 4, a signal control line 5, a network 6, a monitoring device 7, a liftable railway pole 8, a pedestrian monitoring device 9, a train signal indicator lamp 10, a proximity switch 11, a pedestrian vehicle signal lamp and voice alarm device 12 and a railway 13.
A monitoring device 7 is arranged at a proper position at the high position of the crossing.
A proximity switch 11 is mounted on each of the railroad rails 13 at a distance from the crossing.
The pedestrian signal lamp and voice alarm device 12, the liftable road rod 8, the train signal indicator lamp 10, the proximity switch 11 and the pedestrian detection device 9 are respectively connected with the PLC controller 2 through the signal control line 5.
The PLC controller 2 and the monitoring device 7 are connected with the exchanger 1 through a network 6, and the exchanger 1 is connected with the signal building control room 4 through the network 6.
The present embodiment adopts a PLC1200 series PLC manufactured by siemens corporation, which has 24I/O ports, wherein 14 input ports and 10 output ports are provided, and the PLC can be expanded to 284I/O ports, 67 switching value inputs and 69 switching value outputs at most; the system is provided with 1 serial communication port and 1 Ethernet communication port and supports a PROFINET communication protocol; the input equipment in the system mainly comprises a proximity switch signal input, a signal building control room signal input and a pedestrian monitoring device signal input; the output mainly comprises a train indicator light signal, a track rod lifting signal, a pedestrian and vehicle indicator light signal and a voice alarm device signal.
The switch 1 in the embodiment adopts an RG-IS2700G series industrial Ethernet switch, wherein 8 10/100/1000M electric ports are provided; 4 1000BASE-X SFP optical ports; the switching capacity is 128G, and the networking equipment with high cost performance is specially provided for meeting the flexible and variable industrial application requirements; according to the actual requirement of the specific implementation mode, the industrial switch solves the technical problems of communication real-time performance, network availability performance, safety and the like; the industrial exchanger of the Ruizi network RG-IS2700G series not only provides excellent industrial quality such as vibration resistance, high/low temperature resistance, dust prevention, lightning protection and the like through the technologies such as fanless heat dissipation circuit design, wide range working environment temperature, high protection level and the like; and various rich protocols such as routing, switching, safety and the like are integrated, and meanwhile, the public Ethernet multi-ring protection technology (ERPS) is supported, so that the networking flexibility is greatly improved, and the reliability and the safety of the industrial network are enhanced.
The industrial exchanger mainly exchanges information with a PLC (programmable logic controller) 2, a monitoring device 7 and a signal building control room 4 through a network.
The monitoring device 7 consists of a network camera and a hard disk video recorder and is used for monitoring the road condition of the train crossing site.
The pedestrian monitoring device 9 includes an infrared correlation detection sensor, a small radar monitor, for detecting pedestrians and vehicles passing through the railroad crossing.
The pedestrian and vehicle signal lamp and voice alarm device 12 comprises a pedestrian and vehicle signal lamp, an audible and visual alarm and a loudspeaker, and issues signals and gives audible and visual alarms after receiving signals sent by the PLC 2, and voice is broadcasted at the same time.
The use method of the unattended railway crossing automatic control system comprises the following steps:
in general, when no train passes through the crossing, the pedestrian signal lamp and the voice alarm device 12 do not perform voice early warning, a green lamp is displayed in the passing direction of the pedestrian, no passing signal exists in the passing direction of the train, the train signal indicator lamp 10 displays a blue lamp, a arranging signal indicating that no train passes exists, the liftable track rod 8 is in a lifting state, and the pedestrian can pass safely.
When a train needs to drive from a certain direction of a rail 13 to a railway crossing, an operator of the signal building control room 4 operates the train signal indicating lamp 10 along the railway to arrange signals, the train signal indicating lamp 10 is changed from a blue lamp to a white lamp to indicate that the signals are arranged, the train drives to the crossing to trigger the proximity switch 11, at the moment, a pedestrian vehicle signal lamp and voice alarm device 12 is started, the signal lamp is changed to a red lamp, and sends out voice early warning, after ten seconds, the liftable track rod 8 is started, the liftable track rod 8 falls down, if the pedestrian detection device 9 detects that a vehicle does not drive away or a person intrudes into the crossing, the liftable road rod 8 does not act until the liftable road rod 8 descends after no vehicle exists in the crossing, after the liftable road rod 8 descends to the right position, the pedestrian and vehicle signal lamp and voice alarm device 12 gives a passing signal to the train, and the train can normally pass through the road junction.
The operator in the control room 4 of the signal building can remotely observe the traffic condition of the crossing through the monitoring device 7.
The utility model realizes that no manual work is involved in the whole process, the whole action process reaches the requirement of uniformity, the rod is lowered and lifted in time, and the rod lowering is stopped in time for rod-rushing vehicles or pedestrians in the rod lowering process, and the normal action is continued after no rod-rushing action; the multiple signal and detection devices ensure the safe and normal traffic of the road junction; the signal building can monitor and watch the scene remotely, has realized remote management.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent variations made by using the contents of the specification and the drawings are included in the scope of the present invention.
Claims (6)
1. The utility model provides an unmanned on duty railway crossing automatic control system, includes the PLC controller, pedestrian vehicle signal lamp and audio alert device, but the lifting road pole, train signal pilot lamp, proximity switch, pedestrian detection device, monitoring device, switch, signal building control room, its characterized in that: the pedestrian vehicle signal lamp and the voice alarm device are respectively placed on two sides of a railway crossing in the parallel direction with a rail, a liftable railway pole, a train signal indicator lamp and a pedestrian detection device, a monitoring device is installed at a proper position of the high position of the crossing, a proximity switch is respectively installed at a certain distance from the railway rail to the crossing, the pedestrian vehicle signal lamp and the voice alarm device, the liftable railway pole, the train signal indicator lamp, the proximity switch and the pedestrian detection device are respectively connected with a PLC (programmable logic controller) through signal control lines, the PLC and the monitoring device are respectively connected with a switch through network cables, and the switch is connected with a signal building control room through optical fibers.
2. The unattended railroad grade crossing automatic control system according to claim 1, wherein: the PLC controller adopts PLC1200 series PLC produced by Siemens company, the PLC has 24I/O ports, wherein, the input port is 14, the output port is 10, and the PLC can be expanded to 284I/O ports, 67 switching value inputs and 69 switching value outputs; the system is provided with 1 serial communication port and 1 Ethernet communication port and supports PROFINET communication protocol.
3. The unattended railroad grade crossing automatic control system according to claim 1, wherein: the switch adopts an RG-IS2700G series industrial Ethernet switch, wherein 8 power ports of 10/100/1000M are provided; 4 1000BASE-X SFP optical ports with 128G switching capacity.
4. The unattended railroad grade crossing automatic control system according to claim 1, wherein: the monitoring device consists of a network camera and a hard disk video recorder and is used for monitoring the road condition of the train crossing site.
5. The unattended railroad grade crossing automatic control system according to claim 1, wherein: the pedestrian monitoring device comprises an infrared correlation detection sensor and a small radar monitor and is used for detecting pedestrians and vehicles passing through the railway crossing.
6. The unattended railroad grade crossing automatic control system according to claim 1, wherein: the pedestrian vehicle signal lamp and voice alarm device comprises a pedestrian vehicle signal lamp, an audible and visual alarm and a loudspeaker, and the signal is issued and the audible and visual alarm and the voice are simultaneously broadcasted after the signal sent by the PLC is received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357582.3U CN210284250U (en) | 2019-08-21 | 2019-08-21 | Automatic control system for unattended railway crossing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921357582.3U CN210284250U (en) | 2019-08-21 | 2019-08-21 | Automatic control system for unattended railway crossing |
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| CN210284250U true CN210284250U (en) | 2020-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466569A (en) * | 2019-08-21 | 2019-11-19 | 河北唐银钢铁有限公司 | Unattended railway level-crossing automatic control system |
| CN112874590A (en) * | 2021-01-25 | 2021-06-01 | 孙中银 | Tramcar intersection anti-blocking control system and method |
-
2019
- 2019-08-21 CN CN201921357582.3U patent/CN210284250U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466569A (en) * | 2019-08-21 | 2019-11-19 | 河北唐银钢铁有限公司 | Unattended railway level-crossing automatic control system |
| CN112874590A (en) * | 2021-01-25 | 2021-06-01 | 孙中银 | Tramcar intersection anti-blocking control system and method |
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