CN101334667A - Locomotive status messages checking and diagnosis recording method and device - Google Patents
Locomotive status messages checking and diagnosis recording method and device Download PDFInfo
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Abstract
The invention provides a locomotive state information detection and diagnosis recording device, comprising a data collecting unit and a data processing unit; the data collecting unit is used for carry out real-time data communication with the on-board equipment of the locomotive and collecting the running data of the locomotive; the data processing unit is used for reading the data collected by the data collecting unit, obtains various events happened to the locomotive by carrying out classified logic judgment to the data according to different locomotive event types, writes all the events happened to the locomotive and corresponding parameters into a recording file and memorizes the file; meanwhile, the bidirectional transmission of the data between the locomotive and the ground can be realized by the wireless communication network. The invention also provides a locomotive state information detection and diagnosis recording method. The adoption of the device and the method of the invention realize the online diagnosis of the locomotive malfunction, record the running data of the locomotive objectively and practically, monitor the running state information of the locomotive in real time, and realize the bidirectional transmission of the data between the locomotive and the ground.
Description
Technical field
The present invention relates to the network control technology, relate in particular to the method and the device of a kind of locomotive state information detection and idagnostic logout.
Background technology
Locomotive is as the key components of transportation by railroad, and the relationship between quality of its running status the quality of whole rail transportation system.In train operation, when locomotive failure or fortuitous event generation, require ground Train Dispatching and locomotive operation administrative authority to detect information, the long-range technical support that fault handling is provided to the driver especially according to the locomotive operation that obtains.At present, although some locomotive product has been realized online detection of dynamic, record and the diagnostic process function of locomotive operation information and status information, but they otherwise be function singleness, the data that are exactly processing are not comprehensive, we can say that the locomotive product that can comprehensively satisfy this locomotive information transformation requirement still is blank out at present.Locomotive state information detects with the invention of idagnostic logout device will fill up this blank.
It is several that the bus interface type of networked control system of the train system mainly contains RS-485, RS-422, RS-232, MVB (MVB), CAN, LONWORKS, Ethernet etc. at present, wherein the MVB bus mainly is responsible for the data communication of vehicle interior, vehicle bus adopts the MVB that meets IEC 61375 standards to connect all smart machines of vehicle, its physical medium adopts dielectric in short range, the long-range optical fiber that adopts, optical fiber connects by star coupler; MVB passes through the gateway swap data by the bus management management in the node between vehicle bus and the train bus-line; The mobile unit of all online adopts the on-vehicle information data layout of unified standard, and the information record adopts distribution and concentrates the data storage method that combines.Networked control system of the train system in addition also comprises other buses, as the PC104 bus.PC 104 buses are the earliest embedded computer bus standards in the world, it is a kind of industrial-controlled general line that defines for embedded Control specially, it adopts the isa bus framework, interconnected between its bus used 104 signal wires, comprises address wire, data line, control line, clock line, power lead.
The technical scheme that is similar to the present invention has been adopted in the design of the vehicle carried data collecting unit of introducing in the article of " Chinese Railway " magazine 2005 the 12nd interim one piece " research of electric locomotive remote real-time monitoring system " by name.This scheme proposes: the status information of electric locomotive operation information, status information and various device is gathered in the vehicle carried data collecting unit.The operation of electric locomotive, state parameter and failure message are mainly from locomotive control.Its system architecture is seen Fig. 1:
Its internal bus is managed by the CPU card in the vehicle carried data collecting unit, control the work of each submodule, interface modular converter by inside will be from microcomputer control cabinet, the data that locomotive logic control element (LCU) and motorcycle safety informix monitoring device (TAX) are obtained are screened, pre-service such as classification are after communication interface sends to the satellite communication unit, thereby being communicated by letter via satellite in the center, ground communicates by letter and the vehicle-mounted bidirectional data transfers of carrying out with GPRS, locomotive running state information that the center, ground will be passed back in real time and locomotive equipment information stores are at the ground central database, for carrying out analysis-by-synthesis in the center, ground.
The such scheme weak point is:
(1) can not write down the service data of locomotive
Though the vehicle carried data collecting unit can send information in real time earthward, but be subjected to the data transmission quantitative limitation, also can only from bulk information, extract necessary low capacity information transmission, some useful locomotive operation data are neglected and do not have recording storage to get off, this has just significantly reduced the foundation that offers the ground system fault diagnosis.
(2) can not on-line fault diagnosis
Itself does not possess the inline diagnosis function vehicle carried data collecting unit, and all fault diagnosises can only be handled by ground system, has so just reduced the reaction velocity of fault diagnosis, has strengthened the work load of ground system simultaneously yet.
(3) can not monitor the running state information of all types locomotive in real time.
Such scheme is mentioned this vehicle carried data collecting unit only from microcomputer control cabinet, locomotive logic control element (LCU) and motorcycle safety informix monitoring device (TAX) Information Monitoring.The information that this shows its collection is comprehensive inadequately, and locomotive vehicle-mounted equipment is not possessed opening, can't satisfy the demand of various vehicle information reforms.
(4) do not adopt Redundancy Design
The fundamental characteristics of locomotive vehicle-mounted data acquisition unit is the high speed processing to mass data, owing to do not adopt Redundancy Design, in case break down, the reliability of data and continuity just can't be protected.
Summary of the invention
In view of this, the problem that the present invention solves provides a kind of locomotive state information and detects method and device with idagnostic logout, and record locomotive running state data that can objective reality also is implemented in radiodiagnosis x.
For this reason, technical scheme provided by the invention is as follows:
A kind of locomotive state information detects the device with idagnostic logout, and this device comprises: data acquisition unit and data processing unit;
Described data acquisition unit is used for carrying out real-time data communication with the mobile unit of locomotive, gathers the service data of locomotive;
Described data processing unit is used for the data that the reading of data collecting unit is gathered, and by described data are carried out the variety of event that the sorted logic judgement obtains the locomotive generation by different locomotive event types, and all incidents and the correlation parameter that locomotive takes place write log file and storage, with the ground real-time Communication for Power, finish the transmitted in both directions of data between the car ground simultaneously.
Preferably, described data acquisition unit adopts embedded system, comprises RS-485 interface collection plate, RS-422 interface collection plate, RS-232 interface collection plate, CAN interface collection plate, LONWORKS interface collection plate, MVB interface collection plate, hybrid interface collection plate, analog acquisition plate and data volume collection plate.
Preferably, each collection plate has data-carrier store, is used for the data that storage of collected arrives.
Preferably, described collection plate is as main equipment, and other mobile units are as slave unit; Or
Described collection plate is as slave unit, and other mobile units are as main equipment; Or
Described collection plate is as the snooping equipment on the universal serial bus.
Preferably, described data processing unit adopts embedded system, has microprocessor and Embedded real-time multi-task operating system at a high speed, and supports multiple peripheral hardware.
Preferably, described data processing unit comprises the host CPU plate and from CPU board, the master-slave cpu plate is hot backup redundancy each other.
Preferably, described data processing unit also has jumbo non-volatile storage card, is used to store the large-capacity data log file.
A kind of locomotive state information detects the method with idagnostic logout, and this method comprises:
Store after step 1, the collection locomotive service data;
Step 2, read the locomotive operation data of storage,, data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by different locomotive event types the processing of classifying of described data;
Step 3, all incidents and correlation parameter that locomotive is taken place write log file and storage;
Step 4, with the ground real-time Communication for Power, finish the transmitted in both directions of data between the car ground.
Preferably, step 1 specifically comprises:
Send the inquiry prime frame in transmit status to mobile unit,,, restart the inquiry of a new round afterwards just the data that receive are write the relevant position of entry data memory if through the valid data information of having judged the mobile unit loopback; If, then resend the inquiry prime frame through judging not loopback information of mobile unit or loopback information errors, inquiry again.
Preferably, step 1 specifically comprises:
Communication on accepting state real-time sense bus, and the data that receive to need, through judgment data effectively after with the relevant position of data storage at data-carrier store.
Preferably, step 2 is specially:
Read the locomotive operation data of storage, described data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by analog quantity incident, timed events, digital quantity incident, event of failure, special event.
Preferably, step 3 specifically comprises:
After the locomotive operation parameter of real-time collection and fault data carried out analyzing and processing, produce the principle of record, and the data message of gathering is carried out recording storage according to the file logging form of unified standard according to incident.
Preferably, described log file comprises: the timed events record, record analog quantity that the incident that the record digital quantity produces when changing and the digital quantity logout of correlation parameter, recording prescribed time interval point are gone up event and correlation parameter is greater than the event of failure record of the analog quantity logout of, the incident that produces when being equal to or less than threshold point and correlation parameter, event of failure that record takes place and correlation parameter and write down the individual data of irregular input or the special event record of multinomial data.
Preferably, step 4 specifically comprises:
Regularly judge the Information On Demand that sends from ground, and the corresponding data of loopback are given ground; The failure message that locomotive is occurred can send to ground immediately, and can receive the fault handling suggestion of sending on ground in real time.
Preferably, described data comprise the detailed history data before locomotive state information, log file and fault take place.
As can be seen, adopt apparatus and method of the present invention,, obtain the event of failure that locomotive takes place, realized the inline diagnosis of fault by to causing other incident that event of failure takes place to carry out logic determines according to sequencing; By data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by different locomotive event types, and all incidents that locomotive is taken place and correlation parameter write log file by the form of unified standard, realized the service data of the record locomotive of objective reality; Can monitor the running state information of all kinds of locomotives in real time by various general locomotive equipment bus interface; Simultaneously by with car-ground radio transmitting device and display screen real-time Communication for Power, can make ground staff and driver understand the ruuning situation of locomotive in transit, improved the security and the operation efficiency of locomotive.
Description of drawings
Fig. 1 is a vehicle carried data collecting cellular construction synoptic diagram in the prior art;
Fig. 2 is mechanism's block diagram of apparatus of the present invention;
Fig. 3 is mechanism's block diagram of the embodiment of the invention 1 device;
Fig. 4 is the FB(flow block) of the inventive method.
Embodiment
The present invention realize locomotive state information detect with the apparatus structure of idagnostic logout as shown in Figure 2, this device comprises: data acquisition unit 101 and data processing unit 102.
Described data acquisition unit 101 is used for carrying out real-time data communication with the mobile unit of locomotive, gathers the service data of locomotive;
Described data processing unit 102 is used for the data that the reading of data collecting unit is gathered, and by described data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by different locomotive event types, all incidents and correlation parameter that locomotive is taken place write log file and storage by the form of unifying standard, by Ethernet interface and car-ground radio transmitting device real-time Communication for Power, realize the transmitted in both directions of data between the car ground simultaneously.
Concrete, the embodiment of the invention 1 is described in detail and is realized that locomotive state information detects and the device 200 of idagnostic logout, as shown in Figure 3:
The design of data acquisition unit 101 has taken into full account the versatility and the compatibility of interface in this device 200, therefore possesses abundant bus interface collection plate, can cover the bus interface type of all networked control system of the train systems of railway locomotive; These interface collection plates adopt embedded system, can be directly and the mobile unit of locomotive carry out real-time data communication, gather the service data (security monitoring data, locomotive state data, locomotive failure data) of locomotive to greatest extent comprehensively, to the data of gathering differentiate, after the pre-service such as classification with data block store in data-carrier store (RAM).
After system powered on, the interface collection plate can communicate according to other mobile unit on bus communication protocol that has defined and the bus, and the mode of communication has following three kinds:
(1), the interface collection plate is as main equipment, other mobile unit is as slave unit:
The interface collection plate at first is changed to transmit status and begins to send the inquiry prime frame, just be changed to accepting state then, if through the effective information of having judged other mobile unit loopback, just the relevant position that the data that receive are write data-carrier store is changed to the inquiry that transmit status begins a new round afterwards again; If, restart inquiry just the interface collection plate can be changed to transmit status again through judging other mobile unit not photos and sending messages or transmission information errors.
(2) the interface collection plate is as slave unit, and other mobile unit is as main equipment:
The interface collection plate at first is changed to accepting state, send to the inquiry frame of oneself in case receive other mobile unit, be changed to transmit status immediately through judging after this inquiry frame effectively, and from data-carrier store, read related data and send to corresponding mobile unit, again be changed to accepting state afterwards, prepare to receive the service data of mobile unit.
(3) the interface collection plate is as the snooping equipment on the universal serial bus:
The interface collection plate is changed to accepting state all the time, the communication on the real-time sense bus, and the data that receive to need, after judging effectively with the relevant position of data storage at data-carrier store.
Concrete, the interface collection plate mainly comprises: RS-485 interface collection plate 221, RS-422 interface collection plate 222, RS-232 interface collection plate 223, CAN interface collection plate 224, MVB interface collection plate 225, LONWORKS interface collection plate 226, hybrid interface collection plate 227, analog acquisition plate 228 and data volume collection plate 229, but be not limited to have only above-mentioned interface board; Wherein:
RS-485 interface collection plate 221, RS-422 interface collection plate 222, RS-232 interface collection plate 223, CAN interface collection plate 224 and LONWORKS interface collection plate 226 principle of work are basic identical: by microcontroller bus protocol controller and bus transceiver are received and dispatched control, make the interface collection plate in real time and other locomotive vehicle-mounted net control device communicate, and the data that receive are differentiated, store among the RAM after the pre-service such as classification, data processing unit 102 visits related content among the RAM by inner PC104 bus through address decoding;
The communication task of MVB interface collection plate 225 is controlled by data processing unit 102, when data processing unit 102 sends the signal of read-write collection plate address ram, can control that MVB protocol controller and bus transceiver carry out transceive data on the MVB interface board 225 by the PC104 bus;
Data volume collection plate 229 is data of transmitting on the vehicle-mounted bus at some vehicle and not exclusively, might some digital quantity (as the toggle switch on 110V power cabinet switch, the driving position etc.) need to detect but do not gather on the existing mobile unit and the defective transmitted designs, handling these by this digital data acquisition plate additionally needs the digital quantity gathered; Digital data acquisition plate 229 mainly is the input that is used for detecting the 110V switching value, when data processing unit 102 reads the specified address of address decoding, corresponding 110V switching value is converted into the semaphore of 5V through the simulation circuit of adjusting, and is sent in the data processing unit 102 through driver again.
Apparatus of the present invention have various general locomotive equipment bus interface, the existing equipment of compatible all locomotives, the therefore service data that can comprehensively gather various kinds of vehicles.And this device can be expanded other a plurality of locomotive states detections and diagnostic device by the serial line interface that provides specially, but by the expansion locomotive state-detection and the diagnostic device of these mode freedom and flexibility, and the quantity and the physical form that extend out equipment are not subjected to the restriction of this device from body position and dimensional space.
CPU board adopts the solution of high speed microprocessor and embedded OS Windows CE, and (Microsoft Windows CE is the compactness, efficient, the upgradeable operating system that design for multiple embedded system and product.Its modular design makes the embedded system development, and person and application developer can customize according to multiple different product, for example, and consumer electronic devices, special-purpose industrial control unit (ICU) and embedded communication equipment.Windows CE supports multiple peripheral hardware, equipment and network system, comprise keyboard, mouse, touch-screen, serial port, Ethernet connection, modulator-demodular unit, USB (universal serial bus) (USB) equipment, audio frequency apparatus, parallel port, printer apparatus and memory device), the CF card is housed on the CPU board, is used for storage system program and application program.
After system powered on, program at first detected hard disk (being the CF card) remaining space, if detect remaining space less than 5M, the alarming information of just transmitting messages is given display, and the prompting relevant personnel handle, do not have processed before CPU board will not write down any information; Then one section internal memory virtual address map of CPU board is arrived the physical address of each interface collection plate data-carrier store; Because of car-mounted device is communicated by letter with the car-ground radio transmitting device by Ethernet, therefore need to distribute an IP address; Carry out system initialization afterwards, mainly comprise:
When (1) carrying out the system school from the time that the interface collection plate reads supervising device, and the record power-on time;
(2) read locomotive vehicle and numbering from the interface collection plate, and with this definite log file that will generate and the title of index file;
(3) detect log file and the index file that whether has had this title on the hard disk, if there is no just hard disk generate new log file and index file (the corresponding index file of each log file, by index file can the query note file in sequence number, initial deposit position and the length of every record); Whether if these two files exist, just detecting file content has damage, and the file that damages is carried out the corresponding processing that remedies.
The processing of the laggard line data of system initialization and transmission control mainly comprise:
(1) read all related datas of storing among each interface collection plate RAM, the variety of event that locomotive is taken place carries out judgment processing.And variety of event and correlation parameter that the locomotive that obtains is taken place be stored as document data record, calls for ground analysis system during in order to the locomotive warehouse-in.
Concrete, the variety of event (comprising analog quantity incident, timed events, digital quantity incident, event of failure, special event) that locomotive is taken place carries out analysis and judgement, and finally form document data record, the incident that produces record can suitably define according to user's requirement, be beneficial to the curve that ground reappears all kinds of locomotive operation parameters with the sampled data of gathering fair amount, support ground off-line fault analysis and diagnosis.Step is as follows:
1. digital quantity logout: refer to that certain digital quantity changes, this digital quantity and correlation parameter (as time on date, kilometer post etc.) are noted the data recording of formation.
2. timed events record: the data recording that the back is noted formation to relevant digital quantity or analog quantity takes place in event on the spaced points at the appointed time, this incident, changes 1 second as the time.
3. the quantitative logout of analog quantity: refer to when certain analog quantity greater than, the incident that produces when being equal to or less than threshold point, the data recording that this analog quantity and correlation parameter (as time on date, kilometer post etc.) are noted formation in the back takes place in this incident.As 5 kilometers of velocity variations, 500 meters of variable in distance etc.The threshold value of analog quantity can be set.
4. event of failure record: refer to produce the data recording that this event of failure code and correlation parameter (the transient data information, time on date, kilometer post of certain time period class correlation parameter of front and back etc. take place as fault) are noted formation in the back when certain fault.
5. special event record: the special event record is the individual data of some irregular inputs or the data recording of multinomial data, the content of this logout can be unrestricted, in the initial phase, failure message that can be used for system produces, a certain incident take place in or have in the request of ground.
(2) status data and the fault data after will handling sends to cab display screen and car-ground radio transmitting device.
The present invention can to the various electric faults that occur in the locomotive operation process and abnormality is online diagnoses; The service data of the record locomotive of all right objective reality, and be stored in nonvolatile mass data storage medium, the playback that locomotive state is realized in the back handled for ground analysis system, the trouble location of judgement and prediction locomotive; By communicating by letter with car-ground radio transmitting device and display screen, can make ground staff and the driver ruuning situation of understanding locomotive in transit in real time, improved the security and the operation efficiency of locomotive.
In addition, data processing unit 102 also can comprise one from CPU board 212 in apparatus of the present invention, and it and CPU board 211 be hot backup redundancy each other; CPU board 211 can be regarded as the host CPU plate, it is regularly to the status data that sends reflection self operate as normal from CPU board 212, simultaneously, host CPU plate 211 also regularly receives the status data since CPU board 212, when receive time-out takes place when, host CPU 211 plates are thought and have been broken down from CPU board 212, send from the information of CPU board 212 faults to display screen, so that safeguard; From CPU board 212 record data always, but the order that does not participate in Fault Diagnosis and respond other equipment, when receive time-out takes place when, think that from CPU board 212 host CPU plate 211 has broken down, automatically switch and enter the host work state, and send the information of host CPU plate 211 faults to display screen, so that the maintainer in time safeguards, thereby guaranteed the reliability and the continuity of system data.
Based on said apparatus, the invention provides a kind of method that realizes locomotive state information detection and idagnostic logout, as shown in Figure 4, this method comprises:
Step 401: store after gathering the locomotive service data;
Step 402: read the locomotive operation data of storage, data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by different locomotive event types;
Step 403: all incidents and correlation parameter that locomotive is taken place write log file and storage by the form of unifying standard.
Step 404: status data after will handling and fault data send to car-ground radio transmitting device and cab display screen.
The embodiment of the invention 2 is described in detail and is realized that locomotive state information detects and the method for idagnostic logout, is specially:
Send the inquiry prime frame in transmit status to mobile unit,,, restart the inquiry of a new round afterwards just the data that receive are write the relevant position of entry data memory if through the valid data information of having judged the mobile unit loopback; If, then resend the inquiry prime frame through judging not loopback information of mobile unit or loopback information errors, inquiry again.
Can receive other mobile unit in accepting state in addition and send to the inquiry frame of oneself, be changed to transmit status immediately through judging after this inquiry frame effectively, and from data-carrier store, read related data and send to corresponding mobile unit, again be changed to accepting state afterwards, prepare to receive the service data of mobile unit.
Can also be in the communication on the accepting state real-time sense bus, and receive the data that need, through judgment data effectively after with the relevant position of data storage at data-carrier store.
By above-mentioned three kinds of modes realize with mobile unit communicate by letter and image data after store, but the present invention is not limited to only by coming image data with upper type.
After image data and storage, to all data according to the processing of classifying of different locomotive event types:
1. digital quantity event handling: digital quantity incidents all in the data is judged one by one, basis for estimation is that from 0 to 1 or from 1 to 0 variation takes place the digital quantity incident, if this judges and has at least a digital quantity incident that the digital quantity incident and the correlation parameter (as time on date, kilometer post etc.) that just these are changed have taken place to change to write in the log file according to the form of unifying standard.
2. timed events is handled: the timed events in the data is judged one by one, basis for estimation is that timed events (changed 5 seconds as the time) on its official hour spaced points variation has taken place, if this is judged and has at least a timed events to change just these timed events and correlation parameter to be write in the log file according to the form of unified standard.
3. analog quantity event handling: analog quantity incidents all in the data is judged one by one, basis for estimation be the analog quantity incident greater than, be equal to or less than threshold point (changing 5 kilometers) as locomotive speed, write in the log file according to the form of unifying standard if this judges the analog quantity incident and the correlation parameter (as time on date, kilometer post etc.) that have at least an analog quantity incident to change just these to be changed.
4. event of failure diagnostic process: event of failure can be divided into two classes, i.e. component-level fault and car load level fault.The component-level fault is the fault that other mobile unit can be diagnosed out self, does not do diagnostic process after the identification of this device; Car load level fault is the fault that needs comprehensive relevant locomotive state information to diagnose, and the process of fault diagnosis is according to failure symptom, and utilization rule base and inference machine are progressively finished by certain inference strategy.Rule base is based on fault tree design realization.The fault tree model is a behavior model based on research object structure, functional character, it is a kind of Causal model qualitatively, wish least that with system event is a top event, with other incident that may cause top event to take place is bottom event, and with the logic of a kind of downtree shape structure of association between the logic gate presentation of events.The purpose of fault tree qualitative analysis is to seek reason or the reason combination that causes top event to take place, all fault modes that identification causes top event to take place.
The corresponding a kind of fault tree of each phenomenon of the failure; For example: do not have stream as top event as having to press, the various logic that bottom event preparation and preparation form has constituted the branches and leaves of this tree, and the various logic that bottom event traction order and traction order form has constituted another branches and leaves of this tree.
The operation in inference machine control co-ordination principle storehouse.The electric locomotive system complex, situation is changeable, the complexity of Fault Identification cannot treat different things as the same, so when locomotive failure being carried out the reasoning diagnosis, adopt forward reasoning and backward reasoning way of combining, not only guaranteed the accuracy of fault reasoning but also guaranteed the high efficiency of system's operation: at some faults that only needs the minority rule just can express clearly, system adopts the method for forward reasoning, be that the existing information in the rule base and the precondition of rule are mated in system, again the regular pairing conclusion that the match is successful is carried out the rule match of next round as the new fact, up to deriving final conclusion.When judging whether locomotive electric cad system equipment transships, all be the method that adopts forward reasoning.Then adopt the backward reasoning method for complex fault, this inference mode normally earlier according to raw information, proposes a conclusion, then, turns the evidence of searching this conclusion of support around with backward reasoning again, and this process repeatedly is up to obtaining a result.
Concrete, foundation for all car load level fault diagnosises is to causing other incident that this fault takes place to carry out logic determines according to sequencing, if each incident logic all up to specification just can be diagnosed out a certain fault having taken place, has taken place otherwise be judged as non-fault; If this judges the fault that at least 1 component-level or car load level have taken place locomotive, just immediately event of failure and correlation parameter (before and after taking place as fault in certain time period the transient data information of correlation parameter, date time, kilometer post etc.) are write in the log file according to the form of unified standard.
As being example with traction blower fan relay fault, traction blower fan actuating of relay process: when traction blower fan breaker closing, traction blower fan disconnector are in operation position and three conditions of traction blower fan contactor adhesive and set up, the traction blower fan promptly can start up, when blower fan reaches certain rotating speed, just can make traction blower fan relay reach its minimum rated working value, make its closure.
Traction blower fan relay fault is comprehensively to judge with the action feedback signal of traction fan initiating signal and traction blower fan relay, earlier three necessary conditions of traction fan initiating signal are judged, if determining the traction blower fan starts, judge the action feedback signal of traction blower fan relay again, if do not receive the signal of traction blower fan relay closes, then can determine to have occurred traction blower fan relay fault.
5. special event is handled: the special event record is the individual data of some irregular inputs or the data recording of multinomial data, the content of this logout can be unrestricted, in the initial phase, failure message that can be used for system produces, a certain incident take place in or have in the request of ground.If judging, this have at least a special event to take place just these special events and correlation parameter (as time on date, kilometer post etc.) to be write in the log file according to the form of unified standard.
Behind log file, locomotive takes place if any event of failure, immediately failure message is sent to car-ground radio transmitting device and the demonstration of cab display screen from high to low successively according to serious grade.Regularly judge the Information On Demand that sends from ground simultaneously, and the corresponding data of loopback (comprising the historical data before status information, log file, fault take place) are given ground; Can also receive the fault handling suggestion of sending on ground in real time, deliver to display and show.
Above-described embodiment only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1, the device of a kind of locomotive state information detection and idagnostic logout is characterized in that this device comprises: data acquisition unit and data processing unit;
Described data acquisition unit is used for carrying out real-time data communication with the mobile unit of locomotive, gathers the service data of locomotive;
Described data processing unit is used for the data that the reading of data collecting unit is gathered, and by described data are carried out the variety of event that the sorted logic judgement obtains the locomotive generation by different locomotive event types, and all incidents and the correlation parameter that locomotive takes place write log file and storage, with the ground real-time Communication for Power, finish the transmitted in both directions of data between the car ground simultaneously.
2, device according to claim 1 is characterized in that:
Described data acquisition unit adopts embedded system, comprises RS-485 interface collection plate, RS-422 interface collection plate, RS-232 interface collection plate, CAN interface collection plate, LONWORKS interface collection plate, MVB interface collection plate, hybrid interface collection plate, analog acquisition plate and data volume collection plate.
3, device according to claim 2 is characterized in that:
Each collection plate has data-carrier store, is used for the data that storage of collected arrives.
4, device according to claim 2 is characterized in that:
Described collection plate is as main equipment, and other mobile units are as slave unit; Or
Described collection plate is as slave unit, and other mobile units are as main equipment; Or
Described collection plate is as the snooping equipment on the universal serial bus.
5, device according to claim 1 is characterized in that:
Described data processing unit adopts embedded system, has microprocessor and Embedded real-time multi-task operating system at a high speed, and supports multiple peripheral hardware.
6, device according to claim 1 is characterized in that:
Described data processing unit comprises the host CPU plate and from CPU board, the master-slave cpu plate is hot backup redundancy each other.
7, device according to claim 1 is characterized in that:
Described data processing unit also has jumbo non-volatile storage card, is used to store the large-capacity data log file.
8, the method for a kind of locomotive state information detection and idagnostic logout is characterized in that this method comprises:
Store after step 1, the collection locomotive service data;
Step 2, read the locomotive operation data of storage,, data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by different locomotive event types the processing of classifying of described data;
Step 3, all incidents and correlation parameter that locomotive is taken place write log file and storage;
Step 4, with the ground real-time Communication for Power, finish the transmitted in both directions of data between the car ground.
9, method according to claim 8 is characterized in that, step 1 specifically comprises:
Send the inquiry prime frame in transmit status to mobile unit,,, restart the inquiry of a new round afterwards just the data that receive are write the relevant position of entry data memory if through the valid data information of having judged the mobile unit loopback; If, then resend the inquiry prime frame through judging not loopback information of mobile unit or loopback information errors, inquiry again.
10, method according to claim 8 is characterized in that, step 1 specifically comprises:
Communication on accepting state real-time sense bus, and the data that receive to need, through judgment data effectively after with the relevant position of data storage at data-carrier store.
11, method according to claim 8 is characterized in that, step 2 is specially:
Read the locomotive operation data of storage, described data are undertaken obtaining the variety of event that locomotive takes place after sorted logic is judged by analog quantity incident, timed events, digital quantity incident, event of failure, special event.
12, method according to claim 8 is characterized in that, step 3 specifically comprises:
After the locomotive operation parameter of real-time collection and fault data carried out analyzing and processing, produce the principle of record, and the data message of gathering is carried out recording storage according to the file logging form of unified standard according to incident.
13, method according to claim 12 is characterized in that:
Described log file comprises: the incident that the record digital quantity produces when changing and the digital quantity logout of correlation parameter, recording prescribed time interval point is gone up the timed events record of event and correlation parameter, the record analog quantity greater than, the analog quantity logout of incident that produces when being equal to or less than threshold point and correlation parameter, the event of failure that record takes place and the event of failure of correlation parameter write down and write down the individual data of irregular input or the special event record of multinomial data.
14, method according to claim 8 is characterized in that, step 4 specifically comprises:
Regularly judge the Information On Demand that sends from ground, and the corresponding data of loopback are given ground; The failure message that locomotive is occurred can send to ground immediately, and can receive the fault handling suggestion of sending on ground in real time.
15, method according to claim 14 is characterized in that:
Described data comprise the detailed history data before locomotive state information, log file and fault take place.
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| CNA200710112450XA CN101334667A (en) | 2007-06-26 | 2007-06-26 | Locomotive status messages checking and diagnosis recording method and device |
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| CNA200710112450XA CN101334667A (en) | 2007-06-26 | 2007-06-26 | Locomotive status messages checking and diagnosis recording method and device |
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