CN113353126A - Railway traffic signal monitoring device and monitoring method thereof - Google Patents
Railway traffic signal monitoring device and monitoring method thereof Download PDFInfo
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- CN113353126A CN113353126A CN202110642165.9A CN202110642165A CN113353126A CN 113353126 A CN113353126 A CN 113353126A CN 202110642165 A CN202110642165 A CN 202110642165A CN 113353126 A CN113353126 A CN 113353126A
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- monitoring device
- signal
- early warning
- train
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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 vehicle trains
- B61L23/08—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only
- B61L23/14—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only automatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
Abstract
The invention provides a railway traffic signal monitoring device and a monitoring method thereof, belonging to the technical field of railway safety. The device comprises a processing center, and a microwave radar velocimeter, an early warning device, a signal transmitting device and a signal receiver which are connected with the processing center; the microwave radar velocimeter is used for detecting the running speed of the train and feeding back the speed to the processing center; the processing center is used for calculating the time information of the train traveling to the next monitoring device and sending the information to the next monitoring device; the system is also used for receiving the information sent by the last monitoring device, and sending an early warning signal to the last monitoring device if the train does not arrive on time; and the early warning device is used for receiving the early warning signal sent by the next monitoring device in the advancing direction of the train and controlling the early warning device to send out the early warning signal to prompt the arriving vehicle to decelerate. The invention has the advantages of accurate detection of the railway traffic running signal, intelligence and low cost, and can predict the possible rear-end collision condition in advance so as to ensure that the train runs more safely.
Description
Technical Field
The invention belongs to the technical field of railway safety, and particularly relates to a railway traffic signal monitoring device and a monitoring method thereof.
Background
Railways are track lines on which vehicles such as trains run. The explanation of the term "thesaurus" for railways is: locomotive traction vehicles are used for forming a train (or a vehicle with a power device of the locomotive) and a traffic line running on a regular basis. Railway transportation is a type of land transportation in which a locomotive pulls a train vehicle over two parallel rails. The traditional mode is steel wheel traveling, but the generalized railway transportation still includes non-steel wheel traveling modes such as magnetic suspension trains, cable cars, cableways and the like, or rail transportation. The rails provide an extremely smooth and hard medium on which the train wheels roll with minimal friction, making the upper person more comfortable, and it also saves energy. If properly configured, rail transport can save five to seven costs of energy over road transport when carrying the same weight. Moreover, the rails can evenly disperse the weight of the train, so that the loading capacity of the train is greatly improved.
The investment of more and more developed trains along with the railway line is also increased sharply, the railway line is more and more busy along with the sharp increase of the trains, the density of the trains on the railway is greatly increased, the distance between the trains is reduced, and when uncontrollable factors occur to cause the power failure of the trains or the stop of the trains, dangers occur, and the power failure trains can not be positioned and contacted in time in the prior art, so that the rear-end collision of the trains is easily caused.
Disclosure of Invention
The invention overcomes the defects of the prior art, and solves the technical problems that: the railway traffic signal monitoring device and the monitoring method thereof are provided to solve the problem that the railway train position signal monitoring is not timely and accurate.
In order to solve the technical problems, the invention adopts the technical scheme that: a railway traffic signal monitoring device is uniformly distributed along a railway and comprises a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver, wherein the microwave radar velocimeter, the early warning device, the signal transmitting device and the signal receiver are all connected with the processing center;
the microwave radar velocimeter is used for detecting the running speed of the train and feeding the speed back to the processing center;
the processing center is used for calculating the time information of the train to the next monitoring device according to the running speed fed back by the microwave radar velocimeter and sending the information to the next monitoring device in the running direction of the train through the signal transmitting device; the system is also used for receiving the information sent by the previous monitoring device through the signal receiver, starting timing when the information is received, and sending an early warning signal to the previous monitoring device if the train does not arrive on time; and the early warning device is used for receiving the early warning signal sent by the next monitoring device in the advancing direction of the train and controlling the early warning device to send out the early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal.
The railway traffic signal monitoring device further comprises a monitoring probe, the processing center is a computer, the early warning device comprises a buzzer alarm and a red alarm lamp, and the monitoring probe is a 360-degree wireless network monitoring probe.
The processing center is also used for sending the received early warning signal to a train dispatching center through the signal transmitting device.
The railway traffic signal monitoring device further comprises a metal shell, wherein the surface of the metal shell is sprayed with antirust paint and is pasted with a reflective sticker.
The signal transmitting device is a GPRS wireless packet switching device based on a GSM system, is used for transmitting the signal of the processing center to a signal receiver of the next monitoring device, and is used for transmitting the early warning signal received by the processing center to a dispatching center of the train.
The invention also provides a railway traffic signal monitoring system which comprises a plurality of railway traffic signal monitoring devices, wherein the monitoring devices are uniformly arranged at the edge positions of the railway, and the spacing distance of the monitoring devices is 3km-10 km.
In addition, the invention also provides a railway traffic signal monitoring method, which comprises the following steps:
s1, arranging a railway traffic signal monitoring device along a railway, wherein the railway traffic signal monitoring device comprises a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver;
s2, after the train passes through one of the railway traffic signal monitoring devices, the monitoring device detects the running speed of the train through a microwave radar velocimeter and feeds the speed back to a processing center of the monitoring device; the processing center calculates the time of the train to travel to the next railway traffic signal monitoring device in the traveling direction through the feedback speed, and transmits the time information to the signal transmitting device to be transmitted to the next monitoring device in the traveling direction of the train;
s3, transmitting the time information to a processing center after the signal receiver of the next railway traffic signal monitoring device in the train advancing direction receives the time information, starting timing, circularly executing the step S2 by the railway traffic signal monitoring device if the train arrives on time, and entering the step S4 if the train does not arrive on time;
and S4, the railway traffic signal monitoring device sends an early warning signal to the last railway traffic signal monitoring device, and the processing center of the last railway traffic signal monitoring device controls the early warning device to send an early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal.
The step S4 further includes the steps of: and after receiving the early warning signal, the processing center of the last railway traffic signal monitoring device sends the early warning signal to the train dispatching center.
The railway traffic signal monitoring method further comprises the following steps:
s5: after the dispatching center receives the early warning signal, the staff checks the fault, transmits an instruction after the fault is eliminated, and the processing center of the monitoring device enables the monitoring device to reset.
Further, the railway traffic signal monitoring devices are arranged on two sides of the railway and are respectively used for monitoring trains in two advancing directions.
The invention provides a railway traffic signal monitoring device and a monitoring method thereof. The method has the following beneficial effects:
1. by arranging the processing center, the signal transmitting device and the signal receiving device, the monitoring device is more intelligent and automatic, the monitoring is more accurate, a large amount of railway policemen do not need to be invested for patrol along the way, the cost is greatly saved, and the human resources are saved.
2. The invention can detect the train running state of each railway section by arranging a plurality of monitoring devices which are mutually communicated and using the microwave radar velocimeter in the monitoring devices, can monitor the midway running condition of the train in real time and avoid train rear-end collision caused by power failure and stop of the train due to irresistible factors.
In conclusion, the invention has the advantages of accurate detection of the railway traffic running signal, intelligence and low cost, and can predict the possible rear-end collision condition in advance so as to ensure that the train runs more safely.
Drawings
Fig. 1 is a schematic structural diagram of a railway traffic signal monitoring device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the arrangement of the monitoring device for railway traffic signals according to the embodiment of the present invention, in which the arrows indicate the traveling direction of the train;
fig. 3 is a schematic flow chart of a method for monitoring a railway traffic signal according to an embodiment of the present invention.
In the figure, 1 is a railway track, 2 is a railway traffic signal monitoring device, and 3 is a train.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-2, an embodiment of the present invention provides a railway traffic signal monitoring device, which is uniformly distributed along a railway and comprises a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver, wherein the microwave radar velocimeter, the early warning device, the signal transmitting device and the signal receiver are all connected with the processing center; the microwave radar velocimeter is used for detecting the running speed of the train and feeding back the running speed to the processing center.
As shown in fig. 2 to 3, taking the monitoring devices a1 and a2 … … An sequentially arranged on the traveling route as An example, the operation process of the monitoring device for railway traffic signals provided by the present embodiment is described, which includes the following steps.
S1, a train passes through a monitoring device A1, the monitoring device A1 detects the running speed of the train through a microwave radar velocimeter and feeds the running speed back to a processing center of a monitoring device A1;
s2, the processing center of the monitoring device A1 calculates the time of the train to travel to the next monitoring device A2 in the traveling direction through the feedback speed, and transmits the information to the next monitoring device A2 in the traveling direction of the train through the signal transmitting device;
s3, after receiving the signal through the signal receiver, the next monitoring device A2 in the advancing direction of the train transmits the signal to a processing center of the next monitoring device A, and starts timing;
s4, if the train arrives on time, the monitoring devices A2-An loop through the steps S1-S3, and the train is continuously monitored; if the train does not arrive at the monitoring device A2 on time, the monitoring device A2 sends an early warning signal to the monitoring device A1, the monitoring device A1 receives the early warning signal, and the following two operations are performed:
1) the monitoring device A1 receives the early warning signal through the signal receiver and then feeds the early warning signal back to the processing center, the processing center transmits the signal to the early warning device, the early warning device starts to give an alarm, and the train runs normally so that the monitoring device is observed to decelerate immediately when the early warning device gives an alarm, so that the train stops at any time and immediately reflects the situation to the dispatching center;
2) the processing center of the monitoring device A1 simultaneously transmits the early warning signal to the signal transmitting device, the signal transmitting device transmits the signal and feeds the signal back to the train dispatching center, and the staff of the dispatching center starts to contact the train staff who does not arrive on time to remove the fault in time.
In addition, if the monitoring device sends out an early warning, the staff of the dispatching center immediately checks the fault, the dispatching center sends an instruction to the monitoring device after the fault is eliminated, and the processing center of the monitoring device resets after receiving the instruction.
Therefore, in this embodiment, the processing center is configured to calculate time information of the train traveling to the next monitoring device according to the traveling speed fed back by the microwave radar velocimeter, and send the information to the next monitoring device in the traveling direction of the train through the signal transmitting device; the system is also used for receiving the information sent by the previous monitoring device through the signal receiver, starting timing when the information is received, and sending an early warning signal to the previous monitoring device if the train does not arrive on time; and the early warning device is used for receiving the early warning signal sent by the next monitoring device in the advancing direction of the train and controlling the early warning device to send out the early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal.
Further, the railway traffic signal monitoring device that this embodiment provided still includes monitor probe, monitor probe is 360 degrees wireless network monitor probe, conveniently detects the monitoring device situation around. The processing center is a computer, the early warning device comprises a buzzer alarm and a red alarm lamp, and dangerous signals can be effectively transmitted to a train driver coming from the rear through the red alarm lamp and the buzzer alarm with large volume, so that the driver can conveniently decelerate, stop and avoid danger in time.
Further, in this embodiment, the processing center is further configured to send the received early warning signal to a train dispatching center through the signal transmitting device.
Further, the railway traffic signal monitoring device of this embodiment still includes metal casing, and microwave radar tachymeter, processing center, early warning device, signal transmitting device and signal receiver all set up in metal casing, the spraying of metal casing surface has the anti-rust paint, and pastes the reflection of light subsides.
Further, in this embodiment, the signal transmitting device is a GPRS GSM-based wireless packet switching device, a signal receiver for sending a signal of the processing center to a next monitoring device, and a dispatching center for transmitting an early warning signal received by the processing center to a train.
Further, the railway traffic signal monitoring device provided by the embodiment is uniformly placed at the edge position of a railway, the spacing distance of the monitoring device is 3km-10km, the running state of a train is strictly monitored due to high-density installation, the occurrence of leaks is reduced, and the monitoring is accurate.
Example two
The embodiment of the invention provides a railway traffic signal monitoring method, which comprises the following steps:
s1, arranging a railway traffic signal monitoring device along the railway, wherein the railway traffic signal monitoring device comprises a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver.
In this embodiment, the distance between two adjacent monitoring devices may be adjusted according to the running density of the train on the railway, and the specific setting distance is shown in table 1.
TABLE 1 installation distance meter for monitoring device
| Density of trains on railway | Distance between adjacent monitoring devices |
| 10 km/vehicle | 7 kilometers |
| 9 km/vehicle | 6.5 km |
| 8 km/vehicle | 6 kilometers |
| 7 kilometers per car | 5.5 km |
| 6 kilometers per car | 5 kilometers |
| 5 kilometers per vehicle | 4.5 km |
| 4 km/vehicle | 4 kilometers |
| 3 kilometers per vehicle | 3 kilometers |
S2, after the train passes through one of the railway traffic signal monitoring devices, the monitoring device detects the running speed of the train through a microwave radar velocimeter and feeds the speed back to a processing center of the monitoring device; the processing center calculates the time of the train to travel to the next railway traffic signal monitoring device in the traveling direction through the feedback speed, and transmits the time information to the signal transmitting device to be transmitted to the next monitoring device in the traveling direction of the train;
s3, transmitting the time information to a processing center after the signal receiver of the next railway traffic signal monitoring device in the train advancing direction receives the time information, starting timing, circularly executing the step S2 by the railway traffic signal monitoring device if the train arrives on time, and entering the step S4 if the train does not arrive on time;
and S4, the railway traffic signal monitoring device sends an early warning signal to the last railway traffic signal monitoring device, and the processing center of the last railway traffic signal monitoring device controls the early warning device to send an early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal. And after receiving the early warning signal, the processing center of the last railway traffic signal monitoring device sends the early warning signal to the train dispatching center.
S5: after the dispatching center receives the early warning signal, the staff checks the fault, transmits an instruction after the fault is eliminated, and the processing center of the monitoring device enables the monitoring device to reset.
Further, in this embodiment, the railway traffic signal monitoring devices are disposed on two sides of a railway and are respectively used for monitoring trains in two traveling directions, as shown in fig. 2.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A railway traffic signal monitoring device is uniformly distributed along a railway and is characterized by comprising a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver, wherein the microwave radar velocimeter, the early warning device, the signal transmitting device and the signal receiver are all connected with the processing center;
the microwave radar velocimeter is used for detecting the running speed of the train and feeding the speed back to the processing center;
the processing center is used for calculating the time information of the train to the next monitoring device according to the running speed fed back by the microwave radar velocimeter and sending the information to the next monitoring device in the running direction of the train through the signal transmitting device; the system is also used for receiving the information sent by the previous monitoring device through the signal receiver, starting timing when the information is received, and sending an early warning signal to the previous monitoring device if the train does not arrive on time; and the early warning device is used for receiving the early warning signal sent by the next monitoring device in the advancing direction of the train and controlling the early warning device to send out the early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal.
2. The railway traffic signal monitoring device according to claim 1, further comprising a monitoring probe, wherein the processing center is a computer, the early warning device comprises a buzzer alarm and a red alarm lamp, and the monitoring probe is a 360-degree wireless network monitoring probe.
3. The apparatus as claimed in claim 2, wherein the processing center is further configured to transmit the received warning signal to the train dispatching center through the signal transmitting apparatus.
4. The railway traffic signal monitoring device according to claim 1, further comprising a metal shell, wherein the surface of the metal shell is coated with antirust paint and is adhered with a reflective sticker.
5. The railway traffic signal monitoring device of claim 1, wherein the signal transmitting device is a GPRS GSM-based wireless packet switching device, a signal receiver for transmitting the signal of the processing center to the next monitoring device, and a dispatching center for transmitting the warning signal received by the processing center to the train.
6. A railway traffic signal monitoring system comprising a plurality of railway traffic signal monitoring devices according to claim 1, said monitoring devices being evenly spaced at the edge of a railway, said monitoring devices being spaced apart by a distance of 3km to 10 km.
7. A railway traffic signal monitoring method is characterized by comprising the following steps:
s1, arranging a railway traffic signal monitoring device along a railway, wherein the railway traffic signal monitoring device comprises a microwave radar velocimeter, a processing center, an early warning device, a signal transmitting device and a signal receiver;
s2, after the train passes through one of the railway traffic signal monitoring devices, the monitoring device detects the running speed of the train through a microwave radar velocimeter and feeds the speed back to a processing center of the monitoring device; the processing center calculates the time of the train to travel to the next railway traffic signal monitoring device in the traveling direction through the feedback speed, and transmits the time information to the signal transmitting device to be transmitted to the next monitoring device in the traveling direction of the train;
s3, transmitting the time information to a processing center after the signal receiver of the next railway traffic signal monitoring device in the train advancing direction receives the time information, starting timing, circularly executing the step S2 by the railway traffic signal monitoring device if the train arrives on time, and entering the step S4 if the train does not arrive on time;
and S4, the railway traffic signal monitoring device sends an early warning signal to the last railway traffic signal monitoring device, and the processing center of the last railway traffic signal monitoring device controls the early warning device to send an early warning signal to prompt the arriving vehicle to decelerate according to the early warning signal.
8. The method for monitoring a railway traffic signal according to claim 7, wherein the step S4 further comprises the steps of: and after receiving the early warning signal, the processing center of the last railway traffic signal monitoring device sends the early warning signal to the train dispatching center.
9. The method of claim 7, further comprising the steps of:
s5: after the dispatching center receives the early warning signal, the staff checks the fault, transmits an instruction after the fault is eliminated, and the processing center of the monitoring device enables the monitoring device to reset.
10. The method of claim 7, wherein the railway traffic signal monitoring device is disposed on both sides of the railway for monitoring trains in both directions of travel.
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