CN103115647A - Monitoring system for rail transit bow net operating condition - Google Patents
Monitoring system for rail transit bow net operating condition Download PDFInfo
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- CN103115647A CN103115647A CN2013100410798A CN201310041079A CN103115647A CN 103115647 A CN103115647 A CN 103115647A CN 2013100410798 A CN2013100410798 A CN 2013100410798A CN 201310041079 A CN201310041079 A CN 201310041079A CN 103115647 A CN103115647 A CN 103115647A
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Abstract
The invention provides a monitoring system for rail transit bow net operating condition, and belongs to technical field of rail transit detection. The monitoring system comprises a vehicle-mounted terminal, a ground testing center and a data communication network used for data transmission of the vehicle-mounted terminal and the ground testing center. The vehicle-mounted terminal comprises a vehicle-mounted data acquisition module, and a vehicle-mounted analyzing and warning module. The vehicle-mounted data acquisition module is used for acquiring bow net operating information from a bow net system to monitor bow net operating condition of the bow net system and acquiring general information of train operation. The vehicle-mounted analyzing and warning module is used for storing bow net operating condition and general information of train operation, and performing online analyzing and processing based on images and general information of train operation so as to judge whether operating condition is abnormal or not and send warning messages when operating condition is judged to be abnormal. The ground testing center performs association analyzing processing to bow net operating condition according to images and train operation general information from one or a plurality of vehicle-mounted terminals.
Description
Technical field
The invention belongs to the detection technique field of track traffic, relate to the bow net working-condition monitoring system of the bow net system of track traffic.
Background technology
What present most Rail Transit System adopted is power-actuated train, usually, by contact net system form the transport condition of rated voltage/electric current, the distribution system that flow to train by train pantograph parts again uses, thereby provide energy for train operation.Therefore, pantograph and contact net interaction, the tie between having formed ground fixedly power-supply unit and moving vehicle being used, and both mainly consisted of common defined " bow net system ".
The bow net system is when forming electric loop, and contact net in service is connected with pantograph and is kept good dynamic connection operating mode, so just can make train that the good stream condition that is subjected to can be arranged.
Yet, in service in track traffic, usually because the working condition between pantograph and contact net occurs abnormal, produce the fault of single system, have a strong impact on normal running job, wherein be no lack of pantograph or contact net system reason separately, but that what reflect is the operating mode existing problems at the abutment (being also the abutment of bow net system) that has pantograph and contact net is more.In being flow through journey, pantograph and contact net mechanical aspects and electric aspect all closely related, during vehicle operating, electric spark easily appears between the relative sliding contact, because the contact of two energisings in slip can be thrown off in short-term, at this moment, electric current punctures two air-gaps between contact, thereby produces the arcing phenomenon.Therefore, the appearance of arcing phenomenon might affect situation about normally being flowed with regard to explanation and occur, and the serious generation that will cause accident between pantograph affects the normal operation of train; The arcing event is also the important behaviour aspect of bow net operating mode.
Therefore, the fault that guarantee that the operating mode of bow net system is good, reduces the bow net system is one of key factor that reduces the rail transportation operation fault.And along with the speed of train is more and more higher, the possibility that pantograph is separated with contact net is larger, and bow net electric arc more easily produces, and the bad harm that causes of bow net operating mode of bow net system is also more and more serious.Like this, the operating condition between pantograph and contact net (being also the bow net operating mode) is monitored the ever more important that seems.
The track traffic bow net working-condition monitoring system that uses at present just uses camera to coordinate DVR, the duty of the binding site of real time record pantograph and contact net simply; After train is completed operation Hui Ku, the staff downloads to monitor workstation with the video data of record, take again manual type to look into the generation that sees if there is the arcing phenomenon, and the Position Approximate of arcing phenomenon occurs in judgement, thereby provide foundation for the maintenance of bow net system etc.This track traffic bow net monitoring of working condition mode has following shortcoming significantly:
The first, because the time of train operation is longer, the video data volume of record is very huge, only depends on manually to check judgement arcing phenomenon, and difficulty is large, spended time is many, complex operation, efficient are extremely low;
The second, manually check judgement arcing phenomenon subjectivity strong, and easily cause judging inaccurate;
The 3rd, the monitoring of all bow net operating modes is to complete after train operation, there is no the real time on-line monitoring function, thereby be difficult to find timely and effectively or predict the fault of bow net system, before manually checking the symptom of a trend that is out of order, in the situation that the bow net operating mode is relatively poor, probably the train of follow-up operation process is because of the bad fault that occured of bow net operating mode.
In view of this, be necessary to propose a kind of novel track traffic bow net monitoring system.
Summary of the invention
One of purpose of the present invention is, realizes the automatic monitoring of bow net operating mode.
Another purpose of the present invention is, improves the monitoring accuracy of bow net operating mode.
An also purpose of the present invention is, realizes on-line monitoring and the timely warning function of bow net operating mode.
A further object of the present invention is, realizes the fault pre-alarming function of bow net operating mode.
For realizing above purpose or other purposes, the invention provides a kind of track traffic bow net working-condition monitoring system, be used for the bow net operating mode of the bow net system of one or more track circuit is monitored, this monitoring system comprises:
Car-mounted terminal, it comprises:
The vehicle carried data collecting module, it is used for that the bow net system is carried out the bow net work information and gathers to realize the bow net operating mode of bow net system is monitored, and is used for simultaneously gathering the train driving integrated information,
Vehicle-mounted analysis alarm module, it is used for bow net work information that storage gathers and train driving integrated information and carries out on-line analysis based on described bow net work information and train driving integrated information and process, judge that whether extremely and be judged as in the bow net operating mode and send warning message when abnormal the bow net operating mode;
The ground detection center, it carries out the association analysis processing based on described bow net work information and train driving integrated information from one or more described car-mounted terminals to the bow net operating mode; And
Data communication network, it is used for realizing the communication between described car-mounted terminal and ground detection center.
According to the track traffic bow net working-condition monitoring system of one embodiment of the invention, wherein, described bow net work information comprises visible light video image and specific frequency spectrum image; Described vehicle carried data collecting module comprises:
Be used for to gather the visible light video image harvester of the visible light video image of bow net system; And
Be used for to take the specific frequency spectrum harvester of the bow net system specific frequency spectrum image when producing arcing.
Further, preferably, described specific frequency spectrum harvester is ultraviolet image sensor and/or infrared image sensor.
In one embodiment, described bow net operating mode situation reflects by the corresponding arcing event class of arcing in the bow net system.
In the track traffic bow net working-condition monitoring system of described embodiment before, in described on-line analysis is processed, comprise step:
Differentiation is corresponding to a frame or the corresponding arcing event class of multiframe frame specific frequency spectrum image of each arc phenomenon;
If the arcing event class more than or equal to intended level, sends described warning message online.
Further, described warning message comprise to should arcing constantly the specific frequency spectrum picture frame, to should arcing constantly the visible light video image frame and/or to should arcing train driving integrated information constantly.
Further, when differentiating described arcing event class, divide based on the gray shade scale of specific frequency spectrum picture frame at least.
Further, when differentiating described arcing event class, at least also flowed current data based on the bow net system of train driving integrated information and carried out grade classification.
Preferably, if the variation that described bow net system is flowed current data is differentiated described arcing event to the grade that does not affect train operation less than predetermined value.
Further, it is characterized in that, described arcing event class comprises following four grades:
Represent the level and smooth first order,
Expression produces little electric arc and does not affect the second level of train operation,
Represent large electric arc but do not affect the third level of train operation,
Represent large electric arc and affect the fourth stage of train operation;
Wherein, the arcing event class sends described warning message online more than or equal to the third level.
According to the track traffic bow net working-condition monitoring system of further embodiment of this invention, wherein, described train driving integrated information comprises and comprises that at least train speed, bow net system is flowed current data and train position information.
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, described vehicle carried data collecting module comprises:
Be used for to gather the induction current harvester that the bow net system is flowed current data; And/or
The train speed harvester;
Wherein said train position information calculates according to described train speed at least.
Further, preferably, described car-mounted terminal also comprises Wireless communication interface module, this Wireless communication interface module operationally accesses described data communication network system, processes resulting data to described ground detection center to transmit at least described bow net work information, train driving integrated information and described on-line analysis.
Further, preferably, described warning message carries out real-time Transmission by described data communication network, and described bow net work information and train driving integrated information are completed at described train and carried out the off-line transmission after predetermined running enters station or parking lot.
According to the track traffic bow net working-condition monitoring system of yet another embodiment of the invention, wherein, described vehicle-mounted analysis alarm module comprises: master controller, sub module stored and analysis submodule; Wherein, described sub module stored is used for storing described bow net work information and train driving integrated information, and described analysis submodule is used for carrying out described on-line analysis to be processed, and described master controller is used at least control and sends described warning message.
According to the present invention's track traffic bow net working-condition monitoring system of another embodiment again, wherein, described ground detection center comprises data storage server, association analysis processing calculation element, operating terminal and application system server, and described data storage server, association analysis are processed between calculation element, operating terminal and application system server and realized connecting by the rail line LAN (Local Area Network).
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, preferably, described association analysis is processed and is used for a plurality of not in the same time arcing events of reflection bow net operating mode are compared analyzing and processing, with the fault of accurate monitoring bow net operating mode and early warning bow net operating mode.
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, described bow net work information, train driving integrated information and the described on-line analysis that described ground detection center sends over based on a plurality of car-mounted terminals processed resulting data and carried out described association analysis and process.
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, preferably, described ground detection center also is used for confirming described arcing event class.
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, preferably, described ground detection center is further segmented described arcing event class, and further judges the arcing event class of the corresponding segmentation of described arcing.
In the track traffic bow net working-condition monitoring system of described arbitrary embodiment before, preferably, in described association analysis was processed, described ground detection center was carried out arcing event and its visible light video image frame in the corresponding moment, the current data that flowed in the corresponding moment related.
Technique effect of the present invention is, can realize the on-line analysis of bow net operating mode is processed by car-mounted terminal, and send substantially in real time warning message, and can carry out association analysis based on many image data by the ground detection center and process, can realize the scientific analysis of bow net operating mode is processed, and obtain affecting the factor of bow net operating mode, when accurately monitoring the bow net operating mode, can also realize the fault pre-alarming to the bow net operating mode; And, the analytic process of above bow net operating mode can be completed substantially automatically, the automaticity of bow net monitoring of working condition is high, in the efficient that improves the bow net monitoring of working condition, can suitably introduce fault case that artificial judgment analyzes accumulation to revise and to improve its accuracy.
Description of drawings
From following detailed description by reference to the accompanying drawings, will make above and other purpose of the present invention and advantage more complete clear, wherein, same or analogous key element adopts identical label to represent.
Fig. 1 is the structural representation according to the track traffic bow net working-condition monitoring system of one embodiment of the invention.
Fig. 2 is the modular structure schematic diagram of car-mounted terminal shown in Figure 1, the car-mounted terminal scheme of installation ON TRAINS of Fig. 3 schematic diagram 2 embodiment.
Fig. 3 is that the car-mounted terminal of Fig. 2 embodiment is installed schematic diagram ON TRAINS.
Fig. 4 is the bow net monitoring of working condition treatment scheme schematic diagram according to the car-mounted terminal of one embodiment of the invention.
Fig. 5 carries out the schematic diagram of data communication by the cordless communication network of an embodiment between car-mounted terminal and ground detection center.
Embodiment
The below introduces is an a plurality of part in may embodiment of the present invention, aims to provide basic understanding of the present invention, and purpose does not also lie in to be confirmed key of the present invention or conclusive key element or limits claimed scope.Easily understand, according to technical scheme of the present invention, do not changing under connotation of the present invention other implementations that one of ordinary skill in the art can propose mutually to replace.Therefore, following embodiment and accompanying drawing are only the exemplary illustrations to technical scheme of the present invention, and should not be considered as of the present invention all or be considered as restriction or restriction to technical solution of the present invention.
In following description, clear and simple and clear for what describe, a plurality of parts of all shown in figure are not described.Provide the disclosure that can realize fully of the present invention shown in the drawings of a plurality of parts for those of ordinary skills.To those skilled in the art, it is all familiar and obvious being permitted multipart operation.
In this article, " bow net system " mainly refers to train pantograph and contact net, and the train pantograph is subjected to stream to provide electric energy to train from contact net.
Figure 1 shows that the structural representation according to the track traffic bow net working-condition monitoring system of one embodiment of the invention.The track traffic bow net working-condition monitoring system 10 of this embodiment goes for using in the track traffic of bow net system, and its purpose is to provide safeguard for the good operation of track traffic.Track traffic be particularly such as can think subway, light rail, electric railroad traffic etc., can also for other according to the rules track circuit travel and adopt the bow net system that the track traffic that drives required electric power is provided.Track traffic bow net working-condition monitoring system 10 comprises a plurality of car-mounted terminals 110 on train, cordless communication network 130 and ground detection center 150 basically.
A plurality of car-mounted terminals 110 can be placed on a train simultaneously, track traffic bow net working-condition monitoring system 10 also can comprise on many trains on same track circuit corresponding a plurality of car-mounted terminals 110 respectively, can be analogically, track traffic bow net working-condition monitoring system 10 also can comprise a plurality of car-mounted terminals 110 on many trains on many track circuits.Particularly, it is relevant that the ground detection center 150 of the quantity of car-mounted terminal 110 and this monitoring system 10 defines administration train operation zone, and ground detection center 150 define to be administered the train operation zone and can realize by cordless communication network 130 is set.Each car-mounted terminal 110 in track traffic bow net working-condition monitoring system 10 can be realized in real time or in non real-time and ground detection center 150 radio communications by cordless communication network 130.It will be appreciated that, car-mounted terminal 110 and the communication form at ground detection center 150 are not limited to the cordless communication network 130 of this embodiment, and it can also be the data communication network of other types.
Figure 2 shows that the modular structure schematic diagram of car-mounted terminal shown in Figure 1, the car-mounted terminal scheme of installation ON TRAINS of Fig. 3 schematic diagram 2 embodiment.Car-mounted terminal 110 has the function of collection, analysis, storage and data communication as shown in Figure 1, particularly, embodiment as shown in Figure 2, be provided with the vehicle carried data collecting module on car-mounted terminal 110, it includes but not limited to visible images harvester 111, specific frequency spectrum harvester 112, induction current harvester 113 and train speed harvester 114.Wherein, visible images harvester 111, specific frequency spectrum harvester 112 are vehicle-mounted video recording apparatus, can be used for carrying out image acquisition; As shown in Figure 3, the place that visible images harvester 111 and specific frequency spectrum harvester 112 are all aimed at the easy generation of arcing (is the abutment between pantograph and contact net, it is also the operating mode application point, be also application point) carry out bow net work information (being designated hereinafter simply as " work information ") collection, so that the bow net operating mode is monitored.
Visible images harvester 111 can gather the bow net image of relevant to application point bow net system, it can adopt high-definition camera particularly, install at the abutment that its camera is aimed between pantograph and contact net, in train travelling process, can take incessantly, thereby Real-time Collection comprises the visible light video information of bow net system contact point at least.By the visible images harvester 111 visible light video information that gathers, can read the situation of contact net, the situation of pantograph, the relevant informations such as state at abutment, for the Information base that judgement is provided is processed in the association analysis at ground detection center.
Specific frequency spectrum harvester 112 can adopt the high speed imaging sensor of specific frequency spectrum particularly, the arc phenomenon that it produces when being used for the arcing of perception contact point.The characteristics of the electric arc that produces during according to arcing select suitable sensor to realize accurately, clearly catching electric arc.What needs understanding was is, specific frequency spectrum harvester 112 is only the specific embodiment in the arc phenomenon harvester, those skilled in the art are according to the requirement of arc phenomenon shooting, collecting, can select the arc phenomenon harvester of other types, and, can according to the technical development of arc phenomenon harvester, select more accurate, the clearer harvester of perception of arc phenomenon crawl and upgrade ground.In preferred embodiment, specific frequency spectrum harvester 112 can adopt ultraviolet image sensor, the ultraviolet characteristic that the electric arc that produces when ultraviolet image sensor utilizes arcing sends is taken the electric arc picture, and the picture of taking based on this UV-radiation-sensitive can clearly characterize the arc event image.In going back a preferred embodiment, specific frequency spectrum harvester 112 can be for comprising a plurality of imageing sensors of multiple different spectral, for example, comprise simultaneously ultraviolet image sensor and infrared image sensor, ultraviolet image sensor is used for catching the ultraviolet picture of the application point of grabbing the bow net system when producing arcing, infrared image sensor is used for catching the infrared picture of the application point of grabbing the bow net system when producing arcing, the combination of a plurality of pictures is used, can more clearly characterize the arcing event, thereby obtain monitoring of working condition result more accurately.
Continue as shown in Figures 2 and 3, visible images harvester 111 and specific frequency spectrum harvester 112 particularly can be connected to vehicle-mounted analysis alarm module 117 by the USB2.0 interface, its floor data about the bow net system that gathers respectively (for example view data) can transfer to vehicle-mounted analysis alarm module 117 by this interface, and then or storage in its sub module stored 1172, or analyze submodule 1173 at it and carried out in real time the vehicle-mounted end analyzing and processing.when visible images harvester 111 and specific frequency spectrum harvester 112 are installed, their installation site, angles etc. all can affect the precision of image monitoring, and then affect the accuracy of bow net monitoring of working condition, therefore, need as much as possible the position, detection of a target zone of the alignment lens bow net system of visible images harvester 111 and specific frequency spectrum harvester 112 is installed, reduce as far as possible the adverse effect of background area, make position in gathering image, target area applicable mutually with size, and the image that obtains in operational process at train relative target area is consistent substantially.In addition, the servicing unit that provides of visible images harvester 111 and specific frequency spectrum harvester 112 can also be provided the vehicle carried data collecting module, for example, for visible images harvester 111 is installed lighting source, when specific frequency spectrum harvester 112 is infrared image sensor, can also the servicing unit that suppress interference be installed for it.
Continue as shown in Figures 2 and 3, the vehicle carried data collecting module also comprises induction current harvester 113 and train speed harvester 114.Normally, in the undesired arcing event that causes of bow net operating mode, the size that can cause being flowed electric current changes or fluctuates, in this embodiment, induction current harvester 113 can be used in the train driving process gathering the bow net system and be flowed current data, is used for discriminatory analysis arcing event.Induction current harvester 113 specifically can but be not limited to choice for use such as the single flow current inductor (also referred to as the open loop type Hall current sensor, it adopts the Hall element principle), the characteristics such as pinpoint accuracy, high linearity, high integration, volume are little, simple in structure, working stability that it has.The current parameters that can learn when arc event occurs bow net system by induction current harvester 113 changes, for the arcing event of accurate analysis bow net operating mode further provides basic data.
Particularly, induction current harvester 113 and train speed harvester 114 can be connected to vehicle-mounted analysis alarm module 117 by serial line interface.Therefore, the bow net system is flowed current data, train speed data, train position information etc. and all can be stored in sub module stored 1172, and processing for the bow net performance analysis at the vehicle-mounted end bow net performance analysis processing of vehicle-mounted analysis alarm module 117 and ground detection center 150 provides the data bases.
it is to be noted, the equipment that induction current harvester 113 in car-mounted terminal 110 and train speed harvester 114 etc. are used for collection train driving integrated information can arrange for being exclusively used in this bow net working-condition monitoring system, also can be the equipment that possesses this function that arranges in other any systems in train, for example, system is flowed current data if train self can gather bow net, the train speed data, the train driving integrated informations such as train position information, vehicle-mounted analysis alarm module 117 can directly (for example obtain these information from train, train speed and train position information can obtain from train detection systems or fortune control system), the equipment that is used for collection train driving integrated information can be understood as and is integrated in train.Therefore, that form is set is whether restrictive for the induction current harvester 113 in car-mounted terminal 110 and train speed harvester 114.
Need to prove, above example detection or the bow net system that calculates are flowed current data, train speed data, train position information etc. and are all belonged to the train driving integrated information, and the data that calculate also can be understood as the train driving integrated information that indirect collection or detection draw.The concrete kind of train driving integrated information is not limited to the above data class that provides, and the needs according to accurately carrying out bow net performance analysis processing can increase the included information category of train driving integrated information, correspondingly, can increase data acquisition equipment.Therefore, the included harvester of vehicle carried data collecting module is not limited to above embodiment.The train driving integrated information also is not limited to the present embodiment, and any except image information can reflect that the relevant information of bow net operating mode all can be defined as the train driving integrated information.
It will be appreciated that, the data message that each device in the vehicle carried data collecting module gathers can be by the relevance of time dimension, realize association coupling each other, thereby find out easily the arcing event, corresponding image and train driving integrated information constantly occur.
Continue as shown in Figure 2, vehicle-mounted analysis alarm module 117 comprises power supply submodule 1171, sub module stored 1172, analyzes submodule 1173, master controller 1174.Power supply submodule 1171 can provide normal power supply for each submodule of vehicle-mounted analysis alarm module 117 and with operation of each device in car-mounted terminal 110 that vehicle-mounted analysis alarm module 117 is connected, and it specifically can be converted to each submodule with 110 volts of direct supplys of train or respectively install needed work power supply.The data message that master controller 1174 can gather each device in the vehicle carried data collecting module carries out the processing such as data-switching, it is met analyze the needed data layout of submodule 1173, master controller 1174 can also be controlled vehicle carried data collecting module (realizing data capture management), Wireless communication interface module (realizing telecommunication management) etc., for example, the beginning of data acquisition, end, the wireless transmission of data, the transmission of warning message etc.Particularly, master controller 1174 can be CPU (central processing unit).
After can directly or being converted form, the image that gathers and train driving integrated information be stored in sub module stored 1172.Analyze submodule 1173 when carrying out the vehicle-mounted end analyzing and processing, transfer related data from sub module stored 1172, carry out analyzing and processing.in one embodiment, reflect the bow net operating mode with the arcing event, analyze submodule 1173 and at first analyze the grade of judgement arcing event according to electric arc picture (specific collection of illustrative plates harvester is captured), for example, the arcing event class can but be not limited to be defined as level Four: the first order represents smoothly (substantially very little without electric arc or electric arc), the second level represents to produce little electric arc, and the third level represents large electric arc but do not affect train operation, and the fourth stage represents large electric arc and affects train operation, correspondingly according to the gray shade scale of the digital signal of electric arc picture (being also the specific frequency spectrum image) differentiate arc event grade (the corresponding corresponding arcing event class of corresponding tonal range value), if judgement arc event grade is more than or equal to the third level, expression probably affects train operation, analyze submodule 1173 and send instruction to master controller 1174, make it control Wireless communication interface module and send warning message (for example alarm log), thereby can reflect substantially in real time the bow net operating mode, train operator or surface work personnel can be known this alarm log, thereby can adopt corresponding processing, avoid causing train fault because of the bow net operating mode.In other embodiments, analyzing submodule 1173 also can adopt other image analysis processing technology to judge that the arc event grade is to characterize quantitatively the bow net operating mode.
in a preferred embodiment, can comprise electric arc picture (warning message is processed based on this electric arc picture analyzing and drawn) in warning message wherein, this electric arc picture shooting is the visible light video image of correspondence constantly, the train driving integrated information of this electric arc picture shooting moment correspondence (for example, the bow net system is flowed current data, the train speed data, train position information), and/or arcing event class information etc., therefore, the relevant staff not only can obtain alerting signal, can also analyze judgement based on this warning message, should report to the police with further artificial judgment, and then whether decision takes respective handling.
In going back a preferred embodiment, the grade judgement of analyzing 1173 pairs of arcing events of submodule is not limited to the electric arc picture, for example, can also be based on the current data of bow net system (pantograph), when judging whether to belong to the third level or the fourth stage, see whether the variation that the bow net system is flowed current data occurs greater than predetermined value, if substantially do not fluctuate, not representing can not affect train operation, belong to the third level, if change greater than predetermined value, expression can affect train operation, belongs to the fourth stage.Certainly, in other examples, can also introduce the data of other collection and carry out the discriminatory analysis judgement.
Continue as shown in Figure 2, the Wireless communication interface module of car-mounted terminal 110 can be with car-mounted terminal 110 communicative couplings access to wireless communication networks 130, thereby can realize the data communication between 150 in car-mounted terminal 110 and ground detection, for example, can the real-time Transmission warning message, can transmit picture, train driving integrated information etc.; Need to prove, in above analysis deterministic process, the arcing event class information that the electric arc picture is determined also can together correspondingly be transferred in ground detection 150.In this embodiment, cordless communication network 130 can use 3G communication and Wifi communication the transmission of data, correspondingly, be provided with 3G communication module 115, Wifi communication module 116 in Wireless communication interface module, wherein 3G communication module 115 is used for realizing online transmission in real time, and the off-line data that Wifi communication module 116 is used for when suspension of service sends.
Figure 4 shows that the bow net monitoring of working condition treatment scheme schematic diagram according to the car-mounted terminal of one embodiment of the invention.In conjunction with Fig. 3 and shown in Figure 4, car-mounted terminal powers on and prepares to begin to carry out the bow net Check processing; At first, step S310, the system initialization of car-mounted terminal and self check.
Further, step S320 after train brings into operation, gathers image and train driving integrated information.In this embodiment, image comprises visible light video image and specific frequency spectrum video image, and the train driving integrated information comprises that the bow net system is flowed current data, train speed data, train position information etc.
Further, step S330, memory image and train driving integrated information.The data that gather are transferred to vehicle-mounted analysis alarm module 117, image and train driving integrated information can be completed Data Format Transform, also can complete Data Format Transform in master controller 1174 in data collector, and then are stored in sub module stored 1172.
Further, step S340, the arc event grade is differentiated for the first time.Can carry out the electric arc grade discrimination based on electric arc picture (the particular video frequency image collecting device gathers) or the data that can also be flowed based on the bow net system other collections such as current data as described above; The corresponding arc event class information of each electric arc picture can correspondingly be stored, in order to process transmission thereafter.
Further, step S350 judges that whether the arc event grade is more than or equal to predetermine level.If be judged as "Yes", represent that the bow net operating mode is undesired, probably cause the train operation fault, therefore, enter step S360, send warning message.If be judged as "No", directly enter step S370.
Further, step S370 controls the 3G communication module and sends online data.in this step, can send online warning message, preferred embodiment as previously discussed, if warning message comprises electric arc picture (warning message is processed based on this electric arc picture analyzing and drawn), this electric arc picture shooting is the visible light video image of correspondence constantly, the train driving integrated information of this electric arc picture shooting moment correspondence (for example, the bow net system is flowed current data, the train speed data, the train speed data, train position information), and/or arcing event class information etc., also comprised the step of obtaining related data information from sub module stored before sending data.In the situation that step S360 is judged as "No", the image data that data based this bow net monitoring system that this step sends needs real-time online to send optionally sends, certainly, in process of transmitting optionally, usually need to consider the message transmission rate of 3G communication.
Above step S320 can be in train travelling process carries out circularly to step S370.Until enter step S380, judge whether train operation finishes, if train operation finishes (for example finishing the operation of a certain section circuit), enter step S390, control the Wifi communication module and send total data to the ground detection center 150.In this step, after train rests in assigned address (for example station or parking lot), car-mounted terminal can initiatively be searched the Wifi network that uses with the ground detection center to center communications, after the success logging in online, inspection center initiates data download request message earthward, the data that car-mounted terminal gathers or any data based on gathering are processed resulting other data, all are downloaded in the lump ground detection center 150, and off-line analysis is carried out based on these data in ground detection center 150.
So far, car-mounted terminal can shut down, and its bow net monitoring of working condition treatment scheme finishes substantially.
Figure 5 shows that the schematic diagram that carries out data communication between car-mounted terminal and ground detection center by the cordless communication network of an embodiment.But, it is to be noted, cordless communication network 130 is not limited to 3G communication and the Wifi communication mode of this embodiment and realizes data transmission, it can also adopt other forms of wireless network, development along with radio network technique, also can adopt emerging transfer rate other cordless communication networks faster, for example, the 4G communication network.And, it will be appreciated that, in the situation that the transfer rate of cordless communication network is enough fast, namely can increase the data capacity of real-time Transmission in above step S370, even can cancellation step S390.
Continue to consult Fig. 1, ground detection center 150 can receive all data relevant to the bow net operating mode that car-mounted terminal corresponding to its train of administering 110 sends over, the data storage server at ground detection center 150 can be stored these data in a large number, in order to using in the association analysis process.Ground detection center 150 can also comprise one or more operating terminals, application system server, especially, also comprise the association analysis process computer, in one embodiment, can realize connecting by the rail line LAN (Local Area Network) between association analysis process computer, operating terminal, application system server, data storage server.
Analysis at car-mounted terminal is that the bow net operating mode of a certain moment correspondence is carried out analyzing and processing, and to analyze the arcing event as example, the factor that affect the arcing event is a lot, therefore, the analysis of arcing event is judged also may have the inaccuracy of bow net monitoring of working condition.And the car-mounted terminal of above-described embodiment is difficult to realize the early warning judgement of bow net operating mode.The association analysis process computer at ground detection center 150 can carry out further association analysis based on the data that different car-mounted terminals, different time send over to be processed, to improve bow net monitoring of working condition accuracy and to realize the fault function of early warning bow net operating mode.
in the process of carrying out the association analysis processing, arcing event for synchronization, the number information etc. that corresponding electric arc picture of this moment (collection of specific frequency spectrum harvester), visible images frame (collection of visible light video image harvester), train position information, train speed, bow net system can be flowed current data size and car-mounted terminal can be shown in operating terminal in the lump, and judgement is processed thereby the convenient operation personnel carry out the bow net operating mode, " association " characteristics in the process that association analysis is processed are, a plurality of not in the same time bow net operating modes can be carried out association analysis relatively, for example, different trains can be carried out the correlation comparison analysis in the arcing event in same place, same train (for example can be carried out the correlation comparison analysis at the arcing event under the friction speed condition, can draw the rule that the arcing event class descends after the near a certain particular value of a certain orbital position spot speed), same train can be carried out the arcing event at different orbital position points and carry out the correlation comparison analysis, same train can be carried out the correlation comparison analysis in the arcing event of same orbital position point under different carrying conditioned disjunction weather conditions, etc..Need to understand and be, those skilled in the art are under above enlightenment, can be chosen in that some factor is identical, a certain factor is existing in situation about changing, analyses and comparison bow net operating mode situation, with the impact on the bow net operating mode of the factor of finding this variation, for the monitoring of bow net operating mode accurately, the fault pre-alarming judgement provides the basis.
Particularly, for example, if arcing event more than or equal to three grades all occurs at same orbital position point in the multiple row train, but the pantograph-catenary current collection electric current does not all change, and the bow net operating mode that can judge this location point by association analysis is actually normal, it may be that arranging of bow net system self causes, therefore, if car-mounted terminal when this orbital position point sends out warning message, can ignore basically this warning message and not carry out respective handling.Again for example, at same orbital position point, if the arcing event occurs all for the multiple row train, and the other types data outside the electric arc picture reflect all that also arcing occurs in this position, can judge that this orbital position point exists the bow net operating mode good and have a hidden trouble, should safeguard as early as possible processing, the bow net operating mode that perhaps can judge this orbital position point is tending towards degenerating passing in time, thereby provide the early warning judgement, carry out in advance bow net and safeguard, avoid causing the train operation fault because of the bow net operating mode.
In further preferred embodiment, the association analysis process computer at ground detection center 150 can further be confirmed the arcing event class that the analysis submodule 1173 of car-mounted terminal 110 is differentiated, if the staff is different from when analyzing the arcing event class that submodule 1173 differentiates according to its arcing event class of the differentiations such as image information, can modify and store, thereby be conducive to improve the accuracy of association analysis.In a preferred embodiment also, the association analysis process computer at ground detection center 150 can carry out more careful grade classification and differentiation to the arcing event of reflection bow net operating mode, for example, divides the arcing event more than 5 grades or 5 grades.And in carrying out the grade deterministic process of arcing event, the current data that can introduce electric arc picture, visible light video image frame and/or pantograph is carried out the grade classification judgement of arcing event, thereby makes the arcing event class division of reflection bow net operating mode more accurate.
Further need to prove, carrying out the association analysis processing based on a large amount of historical bow net floor datas, can utilize data mining technology to form various types of analyses and statistical report form, the latency that helps the manual analysis pantograph and catenary fault to form, the concentrated generation area of location fault.Like this, in contingent pantograph and catenary fault event in the future, provide the judgement of early warning comparatively accurately, the probability of happening of the undesired train operation fault that causes of reduce bow net operating mode for the bow net system of track traffic.
Continue as described in Figure 1, ground detection center 150 can arrange one by corresponding track circuit, and multistage that also can a corresponding track circuit arranges respectively a plurality of, and a plurality of ground detection center 150 can also many track circuits of correspondence be set.The operating terminal at each ground detection center 150 can be for a plurality of, thereby the managerial personnel that can offer a plurality of stations use bow net monitoring of working condition information or analyzing and processing bow net operating mode simultaneously simultaneously.
Above example has mainly illustrated track traffic bow net monitoring system of the present invention.Although only the some of them embodiments of the present invention are described, those of ordinary skills should understand, and the present invention can be within not departing from its purport and scope implements with many other forms.Therefore, the example of showing and embodiment are regarded as illustrative and not restrictive, in the situation that do not break away from spirit of the present invention as defined in appended each claim and scope, the present invention may be contained various modifications and replacement.
Claims (21)
1. track traffic bow net working-condition monitoring system is used for the bow net operating mode of the bow net system of one or more track circuit is monitored, and it is characterized in that, comprising:
Car-mounted terminal, it comprises:
The vehicle carried data collecting module, it is used for that the bow net system is carried out the bow net work information and gathers to realize the bow net operating mode of bow net system is monitored, and is used for simultaneously gathering the train driving integrated information;
Vehicle-mounted analysis alarm module, it is used for bow net work information that storage gathers and train driving integrated information and carries out on-line analysis based on described bow net work information and train driving integrated information and process, judge that whether extremely and be judged as in the bow net operating mode and send warning message when abnormal the bow net operating mode;
The ground detection center, it carries out the association analysis processing based on described bow net work information and train driving integrated information from one or more described car-mounted terminals to the bow net operating mode; And
Data communication network, it is used for realizing the communication between described car-mounted terminal and ground detection center.
2. track traffic bow net working-condition monitoring system as claimed in claim 1, is characterized in that, described bow net work information comprises visible light video image and specific frequency spectrum image; Described vehicle carried data collecting module comprises:
Be used for to gather the visible light video image harvester of the visible light video image of bow net system; And
Be used for to take the specific frequency spectrum harvester of the bow net system specific frequency spectrum image when producing arcing.
3. track traffic bow net working-condition monitoring system as claimed in claim 2, is characterized in that, described specific frequency spectrum harvester is ultraviolet image sensor and/or infrared image sensor.
4. track traffic bow net working-condition monitoring system as claimed in claim 2, is characterized in that, described bow net operating mode situation reflects by the corresponding arcing event class of arcing in the bow net system.
5. track traffic bow net working-condition monitoring system as claimed in claim 4, is characterized in that, in described on-line analysis is processed, comprises step:
Differentiation is corresponding to a frame or the corresponding arcing event class of multiframe specific frequency spectrum image of each arc phenomenon;
If the arcing event class more than or equal to intended level, sends described warning message.
6. track traffic bow net working-condition monitoring system as claimed in claim 5, it is characterized in that, described warning message comprise to should arcing constantly the specific frequency spectrum picture frame, to should arcing constantly the visible light video image frame and/or to should arcing train driving integrated information constantly.
7. track traffic bow net working-condition monitoring system as claimed in claim 5, is characterized in that, when differentiating described arcing event class, divides based on the gray shade scale of specific frequency spectrum picture frame at least.
8. track traffic bow net working-condition monitoring system as described in claim 5 or 7, is characterized in that, when differentiating described arcing event class, at least also flowed current data based on the bow net system of train driving integrated information and carry out grade classification.
9. track traffic bow net working-condition monitoring system as claimed in claim 8, is characterized in that, if the variation that described bow net system is flowed current data is differentiated described arcing event to the grade that does not affect train operation less than predetermined value.
10. track traffic bow net working-condition monitoring system as described in claim 4 or 5, is characterized in that, described arcing event class comprises following four grades:
Represent the level and smooth first order,
Expression produces little electric arc and does not affect the second level of train operation,
Represent large electric arc but do not affect the third level of train operation,
Represent large electric arc and affect the fourth stage of train operation;
Wherein, the arcing event class sends described warning message online more than or equal to the third level.
11. track traffic bow net working-condition monitoring system as described in claim 1 or 6 is characterized in that, described train driving integrated information comprises and comprises that at least train speed, bow net system is flowed current data and train position information.
12. track traffic bow net working-condition monitoring system as claimed in claim 11 is characterized in that, described vehicle carried data collecting module comprises:
Be used for to gather the induction current harvester that the bow net system is flowed current data; And/or
The train speed harvester;
Wherein said train position information calculates according to described train speed at least.
13. track traffic bow net working-condition monitoring system as claimed in claim 1, it is characterized in that, described car-mounted terminal also comprises Wireless communication interface module, this Wireless communication interface module operationally accesses described data communication network system, processes resulting data to described ground detection center to transmit at least described bow net work information, train driving integrated information and described on-line analysis.
14. track traffic bow net working-condition monitoring system as claimed in claim 13, it is characterized in that, described warning message carries out real-time Transmission by institute's data communication network, and described bow net work information and train driving integrated information are completed at described train and carried out the off-line transmission after predetermined running enters station or parking lot.
15. track traffic bow net working-condition monitoring system as claimed in claim 1 is characterized in that, described vehicle-mounted analysis alarm module comprises: master controller, sub module stored and analysis submodule; Wherein, described sub module stored is used for storing described bow net work information and train driving integrated information, and described analysis submodule is used for carrying out described on-line analysis to be processed, and described master controller is used at least control and sends described warning message.
16. track traffic bow net working-condition monitoring system as claimed in claim 1, it is characterized in that, described ground detection center comprises data storage server, association analysis processing calculation element, operating terminal and application system server, and described data storage server, association analysis are processed between calculation element, operating terminal and application system server and realized connecting by the rail line LAN (Local Area Network).
17. track traffic bow net working-condition monitoring system as claimed in claim 1, it is characterized in that, described association analysis is processed and is used for a plurality of not in the same time arcing events of reflection bow net operating mode are compared analyzing and processing, with the fault of accurate monitoring bow net operating mode and early warning bow net operating mode.
18. track traffic bow net working-condition monitoring system as described in claim 1 or 16, it is characterized in that, the described bow net work information that described ground detection center sends over based on a plurality of car-mounted terminals, train driving integrated information and described on-line analysis are processed resulting data and are carried out described association analysis and process.
19. track traffic bow net working-condition monitoring system as claimed in claim 5 is characterized in that, described ground detection center also is used for confirming described arcing event class.
20. track traffic bow net working-condition monitoring system as described in claim 5 or 10 is characterized in that, described ground detection center is further segmented described arcing event class, and further judges the arcing event class of the corresponding segmentation of described arcing.
21. track traffic bow net working-condition monitoring system as claimed in claim 1, it is characterized in that, in described association analysis was processed, described ground detection center was carried out arcing event and its visible light video image frame in the corresponding moment, the current data that flowed in the corresponding moment related.
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