CN104554346A - Train operation parameter real-time monitoring system - Google Patents
Train operation parameter real-time monitoring system Download PDFInfo
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- CN104554346A CN104554346A CN201410677690.4A CN201410677690A CN104554346A CN 104554346 A CN104554346 A CN 104554346A CN 201410677690 A CN201410677690 A CN 201410677690A CN 104554346 A CN104554346 A CN 104554346A
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Abstract
The invention relates to a train operation parameter real-time monitoring system. The train operation parameter real-time monitoring system comprises a vehicle-mounted signal module, a train-ground communication accessing module, an information interface module and a maintenance supporting server, wherein the vehicle-mounted signal module is used for obtaining train operation parameters in real time and sending the train operation parameters to the train-ground communication accessing module; the train-ground communication accessing module is used for transmitting the train operation parameters to the information interface module; the information interface module is used for specially receiving the train operation parameters from the train-ground communication accessing module by a first network card and transmitting the train operation parameters to the maintenance supporting server by a second network card; the maintenance supporting server is used for storing the train operation parameters. With the adoption of the technical scheme, information interface equipment is communicated with the vehicle-mounted signal module and the maintenance supporting server by the different network cards respectively, so that the separation of a safety network of the vehicle-mounted signal module and a non-safety network of the maintenance supporting server is realized, and furthermore, the influences on the safety network by the non-safety network are avoided and the safety of the system is improved.
Description
Technical field
The present invention relates to urban rail transit technology field, in particular to a kind of train runing parameters real-time monitoring system.
Background technology
In urban track traffic, automatic train operation control system relies on car-ground data communication system (DCS) or local record, the train runing parameters information of automatic or manual acquisition vehicle-mounted signal device, to realize the monitoring to train operation situation of online or off-line.Meanwhile, system is added up its information, is analyzed, and for the operation tissue of urban track traffic provides data foundation, thus realizes rationalization's passenger traffic.
Because train runing parameters information is the important information that automatic train operation control system is monitored train driving, how fast, failure-free collects, stores and processing data, just become and improve operation tissue, safeguard in the problem that must solve.
In the prior art, the means that automatic train operation control system obtains the train runing parameters information that vehicle-mounted signal device is reported have two kinds usually, one is that automatic train operation control system utilizes car-ground data communication system (DCS), train runing parameters information is sent to train automatic monitoring subsystem by vehicle-mounted signal device, then is transmitted to maintenance support services device and carries out recording, add up, show; Two is vehicle-mounted signal device local record train runing parameters information, carries out analyzing, adding up after being manually admitted to local record.
Above-mentioned two kinds of methods have intrinsic defect, the train runing parameters information that the former obtains due to maintenance support services device needs to be forwarded by other subsystems, cause being limited to other subsystems on time and amount of communication data, particularly, the cycle of the method acquisition train runing parameters information is: vehicle-mounted signal device sends information and sends to maintenance support services device (2s) ≈ 9s to train automatic monitoring subsystem (about 5s)+train automatic monitoring subsystem processes time (about 2s)+train automatic monitoring subsystem; And, all vehicle-mounted signal devices in orbital motion need train runing parameters information all to send to train automatic monitoring subsystem, be transmitted to maintenance support services device again to complete the functional realiey of monitoring in real time, the data volume comprised because of train runing parameters information is larger, and consider that the radical function of train automatic monitoring subsystem is not monitor train runing parameters information in real time, need consider that, under the normal work not affecting train automatic monitoring subsystem, complete information is transmitted to the requirement of maintenance support services device.So this usual way needs the data volume of reduction transmission, and increase its communication cycle, the train runing parameters information data amount causing maintenance support subsystem to be monitored under this kind of mode is little, and the cycle is long, ageing low;
The latter lacks effective analysis, be difficult to the ability reaching monitoring in real time, particularly, the cycle that the method obtains train runing parameters information is: vehicle-mounted signal device record train runing parameters+be manually admitted to this record to analyze, because information cannot upload to maintenance support services device in real time, so there is no ageing saying.
Summary of the invention
Technical matters to be solved by this invention is, how to avoid obtaining in the process of train runing parameters at maintenance support services device, unsecured network impacts secure network, improve the reliability that cab signal module communicates with maintenance support services device, and strengthen the ageing of maintenance support services device acquisition train runing parameters, improve the data volume of transmission.
For this purpose, the present invention proposes a kind of train runing parameters real-time monitoring system, comprising: cab signal module, for Real-time Obtaining train runing parameters, train runing parameters is sent to train-ground communication access module; Described train-ground communication access module, for being forwarded to messaging interface module by described train runing parameters; Described messaging interface module, receives the train runing parameters from described train-ground communication access module by the first network interface card, by the second network interface card, described train runing parameters is forwarded to described maintenance support services device; Described maintenance support services device, for storing described train runing parameters.
Preferably, described cab signal module is by the running state information of train described in the electrical apparatus interface of train and/or logic interfacing Real-time Obtaining, and in conjunction with the self performance parameter of described train, COMPREHENSIVE CALCULATING is carried out to described running state information, obtain described vehicle operating parameters.
Preferably, described cab signal module comprises: information acquisition unit, for dropping into ratio, load factor by the electric braking of train described in the electrical apparatus interface of described train and/or logic interfacing Real-time Obtaining; Calculating unit, for drop into ratio, load factor and described train according to the electric braking of described train self performance calculation of parameter described in real-time speed, the in real time deceleration/decel of train, emergency braking trigger speed, target velocity, desired deceleration.
Preferably, described calculating unit comprises: speed sensor, Doppler radar.
Preferably, described first network interface card receives described train runing parameters by the first kind communication network residing for described train-ground communication access module, and described second network interface card forwards described train runing parameters by the Equations of The Second Kind communication network residing for described maintenance support services device.
Preferably, described first network interface card and/or described second network interface card are Ethernet card.
Preferably, described train-ground communication access module is communicated with described messaging interface module by 802.11 agreements.
Preferably, also comprise: handling labor station, for obtaining described train runing parameters from described maintenance support services device, and described train runing parameters being resolved, generating corresponding data image.
Pass through technique scheme, different network interface cards can be adopted respectively to communicate with maintenance support services device with cab signal module by information interface equipment, realize the isolation to the secure network residing for cab signal module and the unsecured network residing for maintenance support services device, thus avoid the impact of unsecured network on secure network, improve the safety of the decorum, and forward train runing parameters specially by information interface equipment, the realization of other functions need not be considered, over-all properties can be applied to digital received and sent, realize the forwarding of large data, and improve speed of transmission, strengthen maintenance support services device and obtain the ageing of train runing parameters.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the schematic block diagram of train runing parameters real-time monitoring system according to an embodiment of the invention;
Fig. 2 shows the communication scheme of train runing parameters real-time monitoring system according to an embodiment of the invention;
Fig. 3 A and Fig. 3 B shows the monitoring interface schematic diagram of train runing parameters real-time monitoring system according to an embodiment of the invention.
Detailed description of the invention
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 1, train runing parameters real-time monitoring system 10 according to an embodiment of the invention, comprising: cab signal module 11, for Real-time Obtaining train runing parameters, train runing parameters is sent to train-ground communication access module 12; Train-ground communication access module 12, for being forwarded to messaging interface module 13 by train runing parameters; Messaging interface module 13, receives the train runing parameters from train-ground communication access module by the first network interface card, by the second network interface card, train runing parameters is forwarded to maintenance support services device 14; Maintenance support services device 14, for train car operational factor.
Because cab signal module is on train, and being on ground to the maintenance support services device that its parameter collected carries out unified management, both are in different networks, in general, vehicle-mounted signal device is in secure network, and maintenance support services device is in unsecured network.Adopt different network interface cards to receive and forwarding data by messaging interface module, unsecured network can be avoided the impact of secure network, realize physical isolation, improve the reliability of system.
And messaging interface module is the interface device independent of cab signal module and maintenance support services device, be specifically designed to the forwarding of train runing parameters, so also need not will consider the realization of other functions in repeating process as train automatic monitoring subsystem of the prior art, over-all properties can be applied to the forwarding of data, can provide the record of large data, forwarding and support, the data communication alleviated in car-ground communication forwarding process is nervous.
The cycle adopting this system to obtain train runing parameters is: vehicle-mounted signal device sends information and sends information to maintenance support services device (500ms) ≈ 1.2 ~ 1.4s to information interface equipment (200 ~ 400ms)+information interface device processes time (500ms)+information interface equipment, obviously faster than the two kinds of methods adopted in background technology, improve maintenance support services device and get the ageing of train runing parameters, the operating personal being convenient to be positioned at maintenance support services device carries out rapid analysis reaction and carries out relevant treatment.
Preferably, cab signal module 11 by the electrical apparatus interface of train and/or the running state information of logic interfacing Real-time Obtaining train, and carries out COMPREHENSIVE CALCULATING in conjunction with the self performance parameter of train to running state information, obtains vehicle operating parameters.
Preferably, cab signal module 11 comprises: information acquisition unit 110, for dropping into ratio, load factor by the electrical apparatus interface of train and/or the electric braking of logic interfacing Real-time Obtaining train; Calculating unit 111, triggers speed (i.e. EBI speed), target velocity, desired deceleration for real-time speed, in real time deceleration/decel, the emergency braking dropping into the self performance calculation of parameter train of ratio, load factor and train according to the electric braking of train.
Preferably, calculating unit 111 comprises: speed sensor, Doppler radar.
Except gathering above-mentioned parameter, ATO (automatic train operation device) output switch parameter can also be obtained, the data such as ATO analog quantity that ATO analog output, TMS (transportation management system) feed back.
Preferably, the first network interface card receives train runing parameters by the first kind communication network residing for train-ground communication access module, and the second network interface card forwards train runing parameters by the Equations of The Second Kind communication network residing for maintenance support services device.
Preferably, the first network interface card and/or the second network interface card are Ethernet card.
By Ethernet card, reception and the forwarding of large data can be realized, improve messaging interface module further to the processing capacity of large data.
Preferably, train-ground communication access module 12 is communicated with messaging interface module 13 by 802.11 agreements.
As shown in Figure 2, train-ground communication access module 802.11 agreements can form Safety Redundancy network, comprising red net with blue net (in two circuits that namely train-ground communication access module is connected with messaging interface module, article one, be red net, article one, be blue net), and use safety communication protocol and messaging interface module carry out data communication, realize safety communication between the two.
Preferably, also comprise: handling labor station 15, for obtaining train runing parameters from maintenance support services device 14, and train runing parameters being resolved, generating corresponding data image.
As shown in Figure 3 A and Figure 3 B, the data collected manage by server central data bank is unified by maintenance support services device, this data bank contains the complete state of health report of equipment or the specific action situation of equipment, is reflected the changed condition of train operation by predefined structure.Further, the basic data that handling labor station is provided by maintenance support services device and analysis result, show with graphical interfaces true to nature, more intuitively vivider displaying train operation situation, wherein Fig. 3 A is the change curve of the parameters collected, and Fig. 3 B is intuitively representing of each train alarm state.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider in correlation technique, vehicle parameter monitoring and recording process in, the train runing parameters information that maintenance support services device obtains needs to be forwarded by other subsystems, cause being limited to other subsystems on time and amount of communication data, and the mode of manual record lacks effective analysis, be difficult to the ability reaching monitoring in real time.By the technical scheme of the application, different network interface cards can be adopted respectively to communicate with maintenance support services device with cab signal module by information interface equipment, realize the isolation to the secure network residing for cab signal module and the unsecured network residing for maintenance support services device, thus avoid the impact of unsecured network on secure network, improve the safety of the decorum, and information interface equipment forwards train runing parameters specially, the realization of other functions need not be considered, over-all properties can be applied to digital received and sent, realize the forwarding of large data, and improve speed of transmission, strengthen maintenance support services device and obtain the ageing of train runing parameters.
In the present invention, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a train runing parameters real-time monitoring system, is characterized in that, comprising:
Cab signal module, for Real-time Obtaining train runing parameters, is sent to train-ground communication access module by train runing parameters;
Described train-ground communication access module, for being forwarded to messaging interface module by described train runing parameters;
Described messaging interface module, receives the train runing parameters from described train-ground communication access module by the first network interface card specially, by the second network interface card, described train runing parameters is forwarded to described maintenance support services device;
Described maintenance support services device, for storing described train runing parameters.
2. train runing parameters real-time monitoring system according to claim 1, it is characterized in that, described cab signal module is by the running state information of train described in the electrical apparatus interface of train and/or logic interfacing Real-time Obtaining, and in conjunction with the self performance parameter of described train, COMPREHENSIVE CALCULATING is carried out to described running state information, obtain described vehicle operating parameters.
3. train runing parameters real-time monitoring system according to claim 2, it is characterized in that, described cab signal module comprises:
Information acquisition unit, for dropping into ratio, load factor by the electric braking of train described in the electrical apparatus interface of described train and/or logic interfacing Real-time Obtaining;
Calculating unit, for drop into ratio, load factor and described train according to the electric braking of described train self performance calculation of parameter described in real-time speed, the in real time deceleration/decel of train, emergency braking trigger speed, target velocity, desired deceleration.
4. train runing parameters real-time monitoring system according to claim 3, it is characterized in that, described calculating unit comprises: speed sensor, Doppler radar.
5. train runing parameters real-time monitoring system according to claim 1, it is characterized in that, described first network interface card receives described train runing parameters by the first kind communication network residing for described train-ground communication access module, and described second network interface card forwards described train runing parameters by the Equations of The Second Kind communication network residing for described maintenance support services device.
6. train runing parameters real-time monitoring system according to claim 5, it is characterized in that, described first network interface card and/or described second network interface card are Ethernet card.
7. train runing parameters real-time monitoring system according to claim 1, it is characterized in that, described train-ground communication access module is communicated with described messaging interface module by 802.11 agreements.
8. train runing parameters real-time monitoring system according to any one of claim 1 to 7, is characterized in that, also comprise:
Handling labor station, for obtaining described train runing parameters from described maintenance support services device, and resolving described train runing parameters, generating corresponding data image.
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| CN201410677690.4A CN104554346B (en) | 2014-11-21 | 2014-11-21 | Train runing parameters real-time monitoring system |
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