CN203084710U - On-vehicle data updating system - Google Patents
On-vehicle data updating system Download PDFInfo
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- CN203084710U CN203084710U CN 201220325245 CN201220325245U CN203084710U CN 203084710 U CN203084710 U CN 203084710U CN 201220325245 CN201220325245 CN 201220325245 CN 201220325245 U CN201220325245 U CN 201220325245U CN 203084710 U CN203084710 U CN 203084710U
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Abstract
An on-vehicle data updating system which comprises the following components: a PC machine which acquires railway basic data of train operation, performs format conversion on the railway basic data for obtaining a data file, and finally writes the data file in an on-line programmer; the on-line programmer which updates the data file into a monitoring recording plug-in unit; and the monitoring recording plug-in unit which transmits the data file to a train operation monitoring device. According to the on-vehicle data updating system with the technical solution of the utility model, the monitoring recording plug-in unit is equipped in the train monitoring device, and additionally, the on-line programmer is used as middle medium for updating the on-vehicle data of the train to the monitoring recording plug-in unit, thus, preventing EPROM erase and realizing on-vehicle data updating simply and conveniently.
Description
Technical field
The utility model relates to the system that a kind of train upgrades ground data.
Background technology
Train operation monitoring device (LKJ) is the important component part of Chinese train operation control system, is to be used to prevent that train overrun a signal, operation hypervelocity accident and donkey engine driver (containing the motor train unit driver) from improving the important traffic safety equipment of maneuvering capability.The LKJ vehicle-mounted data is the basis of LKJ control function realization and the foundation of operating analysis.The accuracy of LKJ vehicle-mounted data is the prerequisite and the guarantee of monitoring safe train operation.Therefore, reliability, the security to LKJ vehicle-mounted data renewal process has very high requirement.
As shown in Figure 1, at present, LKJ leaves vehicle-mounted data among the EPROM of monitoring record plug-in unit, when vehicle-mounted data changes, the user needs earlier main processor unit to be removed, erasable with taking out and take ground in the EPROM slave unit of train operation monitoring device on every locomotive then, the EPROM behind the reprogramming changes on the car to carry out Data Update.Brought the data updating process complicated problems thus, simultaneously,, also brought the high problem of cost of upgrading because the EPROM access times of ultraviolet erasing are very limited.
The utility model content
The purpose of this utility model provides the vehicle-mounted data update system of a kind of convenience, safety.
For achieving the above object, the utility model is by the following technical solutions:
The vehicle-mounted data update system, it comprises: PC obtains the railway basic data of train operation, and the railway basic data is carried out format conversion obtains data file, at last data file is write online programmable device; The online programming device with data file update to the monitoring record plug-in unit; The monitoring record plug-in unit sends data file to the train operation monitoring device.
Described online programming device comprises master controller and two FLASH storeies; Be connected by chip selection signal line, control bus and I/O bus between described master controller and the two FLASH storeies; Described master controller connects the monitoring record plug-in unit by USB interface.
Described master controller is by MCU debugging interface connection status pilot lamp.
Described monitoring record plug-in unit obtains data file from the online programming device, data file is sent among the CPU of monitoring record plug-in unit, and CPU sends into data file and carries out verification in the CRC processing unit, and the data file after the verification deposits in the routine data storage unit; Simultaneously, the data file of CPU after with verification sends by interface.
Described CPU obtains data file by USB interface or RS232 interface; Described CPU sends by VME interface, synchronous communication interface or the CAN bus interface data file after with verification.
Adopt the utility model of technique scheme, the monitoring record plug-in unit is set in the train supervision device, adopt the online programming device to be updated in the monitoring record plug-in unit in addition as the vehicle-mounted data of intermediary with train, like this, avoided to realize the renewal of vehicle-mounted data simply and easily to the wiping of EPROM.
Description of drawings
Fig. 1 is the schematic diagram of Data Update in the background technology.
Fig. 2 is the schematic diagram of the utility model vehicle-mounted data update method.
Fig. 3 is the overall flow figure of the utility model vehicle-mounted data update method.
Fig. 4 is the process flow diagram of online programming management software.
Fig. 5 is the integrated stand composition of the utility model vehicle-mounted data update system.
Fig. 6 is the principle assumption diagram of online programming device in the utility model.
Fig. 7 be in the utility model the PC special software to the programmable device operational flowchart.
Fig. 8 carries out the programming operation process flow diagram for programmable device in the utility model to the monitoring record plug-in unit.
Fig. 9 is the theory diagram of the utility model monitoring record plug-in unit.
The train supervision principle of device block diagram of Figure 10 for constituting by the monitoring record plug-in unit.
Figure 11 is the theory diagram that train supervision device of the present utility model increases data backup.
Figure 12 is the annexation synoptic diagram of train operation monitoring device and peripherals.
Embodiment
As Fig. 2, shown in Figure 3, a kind of vehicle-mounted data update method, be meant: PC obtains the railway basic data of train operation, utilizes the interior online programming management software of PC that the railway basic data is carried out format conversion and obtains data file, then data file is write in the online programmable device.The online programming device is a movably device, and during use, the staff is being with the online programming device to each train, and the online programming device is connected with the monitoring record plug-in unit, like this can be with data file update to the monitoring record plug-in unit.Above-mentioned monitoring record plug-in unit is arranged in the train operation monitoring device, has substituted original EPROM equipment, and it receives the data file that sends, and sends data file to the train operation monitoring device.
As shown in Figure 4, LKJ online programming management software is housed in the PC, this LKJ online programming management software be by to the compiling of LKJ utilization section controlled variable making software write the writing sheet file, boot file and add file identification and check information of sheet file and the compiling of LKJ basic data making software after, be written in the LKJ online programming device with configuration file and clear one of (reading) ferroelectric memory command file, and to LKJ2000H type monitoring record update of plug-in daily record manages, its course of work is as shown in Figure 4.At first, the legitimacy of this management software verification online programming device is promptly differentiated equipment by device identifier, manufacturer and built-in instruction response value, prevents that file from writing miscellaneous equipment, guarantees only to write the LKJ online programming device that our company produces.After checking this online programming device legal, utilize the online programming management software of PC to write data file, and the form that writes data file is the file layout that equipment to be updated can be discerned to the online programming device.For the utility model, equipment to be updated is LKJ2000 monitoring record plug-in unit, so, LKJ vehicle-mounted control file, the vehicle-mounted essence data files of LKJ etc. is write file should generate the file that LKJ2000 monitoring record H plug-in unit can be discerned by the agreement form.
Simultaneously, in the online programming device, generate an identification authenticating documents for the data file that writes, record the important informations such as raw filename of creation-time, modification time and the data file of data file in the described identification authenticating documents, and identification authenticating documents content is encrypted and checking treatment.By the identification authenticating documents, prevent from file directly to be copied in the LKJ online programming device and go by artificial copy mode, realize the purpose that file security upgrades.
When the online programming device carries out Data Update to the monitoring record plug-in unit, the monitoring record plug-in unit at first carries out legal checking to the identification authenticating documents in the online programming device: promptly the monitoring record plug-in unit at first reads the data file in the LKJ online programming device and obtains the creation-time and the modification time of data file, and with the checking of comparing of the creation-time of data file and the creation-time in modification time and its identification authenticating documents and modification time, after empirical tests is legal, the online programming device is decrypted and checking treatment data file and identification authenticating documents earlier, the final online programmable device carries out Data Update to equipment to be updated, and produces on LKJ online programming device and upgrade the LOG journal file.LKJ online programming device connects goes up the PC computer, imports and upgrades the LOG daily record in software, can viewing files upgrade the result.
Need to prove that above-mentioned checking treatment comprises that CRC check is handled and retaking of a year or grade is handled, after described retaking of a year or grade is handled and is meant online programming device generation data file, with the verification of comparing of the file on data file and the computing machine.
In the specific implementation, when implementation step S502, carry out the operation of Y501 regulation, the operation that management software is noted the job number of login personnel and time and carried out can be reviewed the source of data.
Step S503 requires to generate the data file that meets call format according to " train operation monitoring device (LKJ) data file establishment standard ".
For cooperating in the renewal process, maintenance software carries out verification to the data file and improves reliability and security in the data file update process, when implementation step S503, carry out the operation of Y502 regulation, for data file increases a special data file management district.Be divided into check field, permission section in the directorial area.The CRC32 proof test value that each sector of data file is arranged in check field, and the proof test value of directorial area, permission section are the renewal authority of this data file etc.
Step S504 asks to update the equipment to authorize, and writes more new configuration file to updating the equipment, authorization command and proof test value in the configuration file.This authority must write through management software, and it is invalid to duplicate.
In order to prevent the wrong invalid data file of upgrading, management software is when writing authorization command in configuration file, increased Y503, in authority, write data file date of expiration, maintenance software can check whether data file is in the term of validity when updated data file, non-term of validity data file, maintenance software can not upgrade.
In step S505, management software writes data file in the special-purpose more new tool.
In step S506, S507, S508, S509, S511, the maintainer gets on the bus vehicle-mounted data is upgraded, before carrying out Data Update, carry out step Y504 for the ease of management maintenance software, maintenance program will produce in updating the equipment and upgrade daily record, the type of locomotive of renewal log record renewal personnel job number, program updates vehicle, engine number etc.Also can in upgrading daily record, append after upgrade finishing and upgrade versions of data, former versions of data, and update time, renewal result (success, failure).Concrete renewal process specifically describes as follows:
Close train operation monitoring device (LKJ) power supply, will update the equipment through the special use of authorizing is connected with the maintenance interface USB of LKJ, opens the LKJ power supply.
LKJ operation maintenance program, maintenance program are updated the equipment to special use and are carried out validity checking, if legitimate device then reads authority, if authority is legal and before the deadline, maintenance program is operated according to authority.
Maintenance program at first produces journal file in special use is updated the equipment before operating, note the type of locomotive, engine number of renewal personnel job number, program updates vehicle etc. in the journal file.
Maintenance program is treated the data updated file and is carried out verification and validity check, if verification by and data file be in the term of validity, data file to be updated will be write the vehicle-mounted data memory module.After renewal is finished, update the equipment to send to upgrade successfully to special use and order.If data check by, invalid or failure in renewal process, occurs, maintenance program is updated the equipment to send to special use and is upgraded the failure order, special use is updated the equipment and can be pointed out the renewal result to the maintainer.
Maintenance program appends in upgrading daily record and upgrades versions of data, former versions of data, and update time, upgrades result's (success, failure).
In step S510, after the equipment update all that the maintainer will need to upgrade finished, with the special use traffic control reason personnel that update the equipment, managerial personnel read more new record.
For the ease of management, the new record that reads more among this step S510 is mainly finished by management software, and as Y5 describes, management software will upgrade the daily record file for future examination.
As shown in Figure 5, the vehicle-mounted data update system in the utility model is made of PC, online programming device and monitoring record plug-in unit.Wherein, PC obtains the railway basic data of train operation, and the railway basic data is carried out format conversion obtains data file, at last data file is write online programmable device; The online programming device with data file update to the monitoring record plug-in unit; The monitoring record plug-in unit sends data file to the train operation monitoring device.
As shown in Figure 6, the utility model comprises master controller and two FLASH storeies, and memory contents unanimity in two FLASH storeies, realizes that redundancy ratio is to improve reliability.Be connected by chip selection signal line, control bus and I/O bus between master controller and the two FLASH storeies.Above-mentioned master controller also connects the monitoring record plug-in unit by USB interface.USB interface is the information interaction passage between online programming device and the PC software/monitoring record plug-in unit, and it all is to realize by this passage to the programming operation of monitoring record plug-in unit that PC software is write file to be programmed and programmable device to the online programming device.
In addition, master controller is by MCU debugging interface connection status pilot lamp, and status indicator lamp is used to refer to the duty of programmable device, promptly and PC software/be programmed the state indication of communication process between the device; Simultaneously, power conversion chip is powered for master controller through the conversion back by get the 5V power supply from USB interface, whole online programming device need not other power supplys again and supplies with, and passes through USB interface during application, or from the power taking of PC USB interface, or from being programmed the power taking of device equipment USB interface, easy operating.
The online programming device carries out the programming operation flow process to the monitoring record plug-in unit in the utility model, be about to the online programming device and insert monitoring record plug-in unit USB interface also to after the device power, shown in Fig. 7,8, this Figure illustrates the treatment scheme of monitoring record plug-in unit and programmable device end, existing critical workflow to wherein describes:
(1) monitoring record plug-in unit:
(I) carrying out boot earlier after the monitoring record plug-in unit powers on is step 201, can judge this moment and have or not USB device to connect, if have USB device then execution in step 202 send and open the write-protect order, this order adopts encrypted test mode to send, key is arranged by monitoring record plug-in unit and online programming device;
(II) after receiving the response of online programming device, step 203 judges whether this response is correct, if correctly then the indicate identification cognitive phase is finished, can carry out the verification of step 205 file validation this moment, if response is incorrect or do not have USB device, then the monitoring record plug-in unit can turn to step 204 executive utility;
(III) when execution in step 205, its legitimacy judges that creation-time according to configuration file, modification time, filename, programmable device ID number, the CRC check of configuration file and the information such as verification file CRC check of configuration file judges, here, even this document is copied, but because its creation-time difference, so CRC check is also inconsistent, the monitoring record plug-in unit will be regarded it as illegal file;
(IV) after the verification of configuration file legitimacy is passed through, execution in step 206 file validation verifications to be programmed are similar to step 205, even this document is copied, because its creation-time difference, CRC check is also inconsistent, and the monitoring record plug-in unit also will be regarded it as illegal file; These operations have greatly improved security;
(V) after the verification of All Files legitimacy is passed through, the monitoring record plug-in unit is used file to be programmed and is gone to upgrade the program/data of self, execution in step 207 was to the daily record of programmable device write record after programming was finished, if programme successfully, then execution in step 208 is carried out by the program/data after upgrading, if upgrade failure, or the legitimacy verification stage does not pass through in front, the machine of all execution in step 209 equipment being delayed will normally move after equipment re-powers.
(2) online programming device end:
(I) the online programming device step 210 receive open the write-protect command request after, be decrypted and judge whether order is legal, if legal then execution in step 211 is responded the monitoring record plug-in unit and is opened write-protect, if do not conform to rule online programming device is a write-protected USB flash disk concerning the monitoring record plug-in unit, only so that it is checked operation, cannot delete, revise and operation such as format;
(II) when the online programming device when step 212 is received the programming state sign, transmit the information of programming successfully/failing to the user by status indicator lamp;
(III) when programmable device receives that the log file writes request, execution in step 213 writes log in two FLASH storeies, write and fashionablely replace accordingly, to guarantee that each file is by the correct storage that writes according to bad block message of FLASH storer;
(IV) after step 213,214 pairs of files that write of execution in step carry out read-around ratio, to guarantee to write in two FLASH storeies the correctness and the consistance of log, and response writes sign, the complete one-time programming that then shows of above process is operated successfully, can reflect information such as this successful sign of programming, authentication code, programming time, the ID of monitoring record plug-in unit, file rise time to be programmed in the log.
Because the online programming device adopts biplate redundancy ratio FLASH storer, effectively guaranteed the reliability of canned data; Simultaneously when the online programming device writes file to be programmed, adopt special-purpose PC software to operate on it, non-special-purpose PC software is invalid to online programming device operation in the utility model, this special-purpose PC software is invalid to the common U disk operation, be that special-purpose PC software mates special-purpose programmable device, effectively guaranteed the security of programmable device information; When this external programmable device carries out programming operation to the monitoring record plug-in unit, the identification between monitoring record plug-in unit and the programmable device and the legitimacy of file are judged, also embody the feature that special-purpose programmable device mates special-purpose monitoring record plug-in unit, effectively guaranteed the security of programmable device storage file and the security of programming operation process.
As shown in Figure 9, the monitoring record plug-in unit obtains more new data in real time from routine data is updated the equipment, more new data is admitted among the CPU of monitoring record plug-in unit by USB interface or RS232 interface, CPU will be more new data send into and carry out verification in the CRC processing unit, the more new data after the verification deposits in the routine data storage unit; Simultaneously, the more new data of CPU after with verification sends by VME interface, synchronous communication interface, CAN bus interface.
As shown in figure 10, the utility model comprises monitoring record plug-in unit 110, train speed acquiring unit 120, locomotive operating mode acquiring unit 130, locomotive pressure acquiring unit 140, insulation joint information acquisition unit 150, track-circuit signalling acquiring unit 160, communications processor element 170 and output unit 180.Wherein, train speed acquiring unit 120, locomotive operating mode acquiring unit 130, locomotive pressure acquiring unit 140, insulation joint information acquisition unit 150 and track-circuit signalling acquiring unit 160 are referred to as the vehicle carried data collecting unit, it obtains the required vehicle-mounted data of train in real time, and the vehicle-mounted data that obtains is sent to monitoring record plug-in unit 110.110 pairs of vehicle-mounted datas that obtain of monitoring record plug-in unit are stored and are called, and the running status of train is write down and analyzes.Specifically, its medium velocity acquiring unit 120 reading machine wheels are to last speed sensor signal, and pass to Main Processor Unit, and Main Processor Unit calculates information such as locomotive speed, acceleration, traffic direction, mileage; Monitoring record plug-in unit 110 transmits the speed protection curve that the insulation joint information calculations of coming outes train according to the cab signal of vehicle-mounted data and track-circuit signalling 160 acquiring unit transmission and in conjunction with insulation joint information acquisition unit 150; Track circuit acquiring unit 160 obtains track circuit information by communicating by letter with general-purpose locomotive signal or subject highlighting cab signal; Locomotive pressure acquiring unit 140 not only detects train tube pressure and also detects equalizing reservoir of motor vehicle pressure and brake-cylinder pressure, and the equalizing reservoir pressure signal is used for FEEDBACK CONTROL to improve service braking decompression amount control accuracy; The brake-cylinder pressure signal is mainly as the state recording foundation.At last, monitoring record plug-in unit 110 is exported control command according to the running status of train, and in real time by communication unit 170 and external device communication, moves by relevant execution of output unit 180 outputs.Communications processor element 170 is mainly finished the telecommunication management of train operation monitoring device and other equipment rooms so that the equipment of different communication form, different communication interface and speed can with the LKJ swap data.
By the foregoing description, can provide a kind of mobile unit train operation monitoring device technique standard, that can monitor train operation that meets.
Figure 11 is an embodiment who adopts principal and subordinate's machine hot backup redundancy framework, be that the train operation monitoring device comprises two vehicle carried data collecting unit, two Main Processor Unit 21A, 21B, two output unit 28A, 28B and two communications processor element 27A, 27B wherein, communicates to connect between two Main Processor Units, communicate to connect between two output units, communicate to connect between two communications processor elements; The vehicle carried data collecting unit comprises locomotive speed acquiring unit 22A, 22B, locomotive operating mode acquiring unit 23A, 23B, track-circuit signalling acquiring unit 24A, 24B, insulation joint information acquisition unit 25A, 25B and locomotive pressure acquiring unit 26A, 26B.Be the working method of principal and subordinate's machine hot backup redundancy during work, independently form the unit that all there are complete signal input and control output interface in every group of unit by two groups of A, B.Active and standby machine is worked simultaneously, and at any time by the synchronous bus swap data, in case main frame breaks down, standby host is taken over the host work task immediately, realizes running without interruption of monitoring.In the present embodiment, two groups of unit are arranged in same cabinet, with the cabinet center line is the benchmark symmetric offset spread, connect by motherboard between two groups of unit and each unit, communicate and exchanges data, all input/output signals are all drawn by the cabinet back panel connector, and these input/output signals are connected to sensor or the actuating unit that is installed on the locomotive by cable again.These sensors and actuating unit do not belong to scope of the present utility model, realize for the ease of the technician, here with the show annexation of peripheral unit and train operation monitoring device of Figure 12.The input signal of sensor inputs to A, B simultaneously and correspondingly handles in the processing unit for two groups, and the output signal in two groups of unit is by the laggard line output of serial or parallel connection.In addition, architecture of the present utility model also includes but are not limited to triplication redundancy, 2 and takes advantage of two to get second-class mode.
Claims (3)
1. vehicle-mounted data update system is characterized in that it comprises:
PC obtains the railway basic data of train operation, and the railway basic data is carried out format conversion obtains data file, at last data file is write online programmable device;
Online programming device, described online programming device comprise master controller and two FLASH storeies; Be connected by chip selection signal line, control bus and I/O bus between described master controller and the two FLASH storeies; Described master controller connects the monitoring record plug-in unit by USB interface;
The monitoring record plug-in unit, it obtains data file from the online programming device, and data file is sent among the CPU of monitoring record plug-in unit, and CPU sends into data file and carries out verification in the CRC processing unit, and the data file after the verification deposits in the routine data storage unit; Simultaneously, the data file of CPU after with verification sends by interface.
2. vehicle-mounted data update system according to claim 1 is characterized in that: described master controller is by MCU debugging interface connection status pilot lamp.
3. vehicle-mounted data update system according to claim 1 is characterized in that: described CPU obtains data file by USB interface or RS232 interface; Described CPU sends by VME interface, synchronous communication interface or the CAN bus interface data file after with verification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325245 CN203084710U (en) | 2012-07-06 | 2012-07-06 | On-vehicle data updating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220325245 CN203084710U (en) | 2012-07-06 | 2012-07-06 | On-vehicle data updating system |
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| CN203084710U true CN203084710U (en) | 2013-07-24 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318640A (en) * | 2014-09-30 | 2015-01-28 | 河南思维自动化设备股份有限公司 | Data change terminal of train running monitoring device and data change method |
| CN105159717A (en) * | 2015-09-02 | 2015-12-16 | 株洲南车时代电气股份有限公司 | Safe computer system, plugin and software updating method of plug |
| CN106575119A (en) * | 2014-08-22 | 2017-04-19 | 捷太格特欧洲公司 | Computer for a vehicle, such as a power steering computer, provided with an integrated event recorder |
| CN108701064A (en) * | 2016-03-02 | 2018-10-23 | 住友电气工业株式会社 | Program updating system, method for updating program and computer program |
| WO2019076030A1 (en) * | 2017-10-20 | 2019-04-25 | 北京全路通信信号研究设计院集团有限公司 | Control method and train operation control system |
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2012
- 2012-07-06 CN CN 201220325245 patent/CN203084710U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106575119A (en) * | 2014-08-22 | 2017-04-19 | 捷太格特欧洲公司 | Computer for a vehicle, such as a power steering computer, provided with an integrated event recorder |
| CN106575119B (en) * | 2014-08-22 | 2020-02-14 | 捷太格特欧洲公司 | Computer for a vehicle, such as a power steering computer, equipped with an integrated event recorder |
| CN104318640A (en) * | 2014-09-30 | 2015-01-28 | 河南思维自动化设备股份有限公司 | Data change terminal of train running monitoring device and data change method |
| CN104318640B (en) * | 2014-09-30 | 2016-08-17 | 河南思维自动化设备股份有限公司 | The data of a kind of train operation monitoring device change the outfit terminal and data costume changing method |
| CN105159717A (en) * | 2015-09-02 | 2015-12-16 | 株洲南车时代电气股份有限公司 | Safe computer system, plugin and software updating method of plug |
| CN108701064A (en) * | 2016-03-02 | 2018-10-23 | 住友电气工业株式会社 | Program updating system, method for updating program and computer program |
| CN108701064B (en) * | 2016-03-02 | 2020-12-01 | 住友电气工业株式会社 | Program update system, program update method, and computer program |
| WO2019076030A1 (en) * | 2017-10-20 | 2019-04-25 | 北京全路通信信号研究设计院集团有限公司 | Control method and train operation control system |
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