CN102238576B - Online monitoring system for GSM-R (Global System for Mobile communication-Railway) train-mounted wireless transmission module of CTCS-3 (Chinese Train Control System) - Google Patents
Online monitoring system for GSM-R (Global System for Mobile communication-Railway) train-mounted wireless transmission module of CTCS-3 (Chinese Train Control System) Download PDFInfo
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Abstract
The invention discloses an online monitoring system for a GSM-R (Global System for Mobile communication-Railway) train-mounted wireless transmission module. The online monitoring system comprises a GSM-R train-mounted monitor unit and a GSM-R ground monitoring service desk, wherein the GSM-R train-mounted monitor unit comprises an adaptor unit, a control unit, a data transmission unit, a set of power filter plate A, a set of power filter plate B, a set of power system A and a set of power system B; and the GSM-R ground monitoring service desk comprises an uninterrupted power supply (UPS), a data storage unit, a monitoring and analyzing unit, a display unit and a data transmission unit. The online monitoring system for the GSM-R train-mounted wireless transmission module can be used for analyzing, processing and storing the running data of the GSM-R train-mounted wireless transmission module and displaying the data for monitoring personnel in the form of data and figures, also can be used for performing classified query statistic on historical monitored data, and plays a good assisting role in finding the running rule of the equipment, analyzing faults and improving and even upgrading the functions and performances of the equipment.
Description
Technical field
The invention belongs to wireless communication technology field and Train Control field, particularly a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system.
Background technology
Along with the fast development of China railways, China has formulated the planning of railway Long-and Medium-term Development, Train control system CTCS (China Train Control System) in its planning is for guaranteeing safe train operation, and with hierarchical form, meet the technical specification of different circuit operation demands, it is the direction of Future in China railway technology development, CTCS is divided into 5 grades according to system condition and function, from 0 grade to 4 grades.
CTCS-3 level train control system is the train operation control system based on radio communication GSM-R and track circuit, a key character of CTCS-3 level train control system is exactly to utilize GSM-R network to be listed as the safe transmission of control data, and GSM-R onboard wireless transport module is exactly the GSM-R network insertion terminal of mobile unit in CTCS-3 level train control system, the stability of this equipment on-line running status is directly connected to safe transmission and the security of operation of whole train under 3 grades of patterns of row control data, so the on-line monitoring of RTM operation conditions is just seemed to particularly important.
For guaranteeing train, under CTCS-3 level, can normally run, need to the real-time status in running monitor train, and current monitoring equipment can not be satisfied the demand, with the correlator equipment that can not confirm GSM-R onboard wireless transport module whole set equipment and this equipment, whether can normally move.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, proposing one can be in locomotive operation process, the GSM-R onboard wireless transport module on-line monitoring system of in real time its running status being monitored.
GSM-R onboard wireless transport module on-line monitoring system is comprised of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk two parts, wherein:
GSM-R vehicle-mounted monitoring unit overlaps power filter plate and A/B two by adapter unit, control unit, data transmission unit and A/B two and overlaps power-supply system and form; GSM-R ground monitoring information desk is comprised of UPS uninterrupted power supply, data storage cell, monitoring analysis unit, display unit and data transmission unit; The data transmission unit of described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is all nested with GPRS module; Described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk are by the GPRS module wireless connections of data transmission unit.
The A/B two of described GSM-R vehicle-mounted monitoring unit overlaps the main protection power source of power filter plate and avoids the external interference such as surge, burst of pulses, high-frequency crosstalk, guarantees the high reliability of power supply Electro Magnetic Compatibility.
The power supply B of described GSM-R vehicle-mounted monitoring unit and B-source filter band are standby as power supply A and a-power supply filter band, have realized the stability of equipment electric power system by the hot standby mode of two cover power supplys.
The adaptation unit of described GSM-R vehicle-mounted monitoring unit is mainly realized the level conversion between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, is the data channel between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk.
The control unit of described GSM-R vehicle-mounted monitoring unit mainly completes the data processing between analyzing and processing, storage and GSM-R onboard wireless transport module and the GSM-R ground monitoring information desk to GSM-R onboard wireless transport module service data.
The human-computer interaction terminal that the display unit of described GSM-R ground monitoring information desk operates for monitoring personnel.
The UPS uninterrupted power supply of described GSM-R ground monitoring information desk provides reliable electric power system for GSM-R ground monitoring information desk.
The data storage cell of described GSM-R ground monitoring information desk is mainly stored GSM-R onboard wireless transport module running status report message data.
The monitoring analysis unit major function of described GSM-R ground monitoring information desk is: analyze GSM-R onboard wireless transport module status poll response message and GSM-R onboard wireless transport module running status report message, and by display unit, be shown to monitoring personnel with the form of data and legend, if GSM-R onboard wireless transport module breaks down there is the advance notice of reporting to the police in Shi Bingxiang monitoring personnel; Data are stored, all GSM-R onboard wireless transport module status polls and GSM-R vehicle-mounted monitoring unit response message and GSM-R onboard wireless transport module running status report message are stored into GSM-R ground monitoring information desk data storage cell; Can, to the inquiry of historical data, by conditions such as equipment, date, operators, carry out one-level and multilevel query; Historical data statistics and analysis, by the analysis of institute's enquiry of historical data being found out to the fault rule of equipment operation and being shown with the form of curve chart, for attendant and product design personnel reference.
For guaranteeing at any time the unimpeded of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk data channel, GSM-R vehicle-mounted monitoring unit need to carry out self diagnosis processing, comprises the processing of start self diagnosis and self diagnosis processing in transit; Realize foundation and maintenance and the processing to GSM-R onboard wireless transport module running state data and the storage to abnormal data of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously.
Utilize GSM-R onboard wireless transport module on-line monitoring system to carry out on-line monitoring mode to be: GSM-R onboard wireless transport module is transferred to GSM-R vehicle-mounted monitoring unit by adaptor interface by real-time status data and Monitoring Data, GSM-R vehicle-mounted monitoring unit carries out by the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit, sending GSM-R ground monitoring information desk to after analyzing and processing to data, realize the foundation of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously, the self diagnosis of maintenance and equipment of itself, GSM-R ground monitoring information desk is received after the data of GSM-R vehicle-mounted monitoring unit transmission, it is carried out after inventory analysis, mode with data and legend is shown to monitoring personnel by the display unit of GSM-R ground monitoring information desk.
The invention has the advantages that: can in real time the service data of GSM-R onboard wireless transport module be carried out to analyzing and processing, storage, and be shown to monitoring personnel with the form of data and legend, easy to operate directly perceived, simultaneously can inquire statistics, intellectual analysis to Historical Monitoring data, for function, the perfect performance of moving law, accident analysis and the equipment of discovering device or even upgrade and all play good booster action.
Accompanying drawing explanation
Fig. 1 GSM-R onboard wireless transport module on-line monitoring system transfer of data schematic diagram.
GSM-R vehicle-mounted monitoring cellular construction composition schematic diagram in Fig. 2 GSM-R onboard wireless transport module on-line monitoring system.
GSM-R ground monitoring information desk structure composition schematic diagram in Fig. 3 GSM-R onboard wireless transport module on-line monitoring system.
The data transmission unit of GSM-R vehicle-mounted monitoring unit start self diagnosis schematic diagram in Fig. 4 GSM-R onboard wireless transport module on-line monitoring system.
The in transit self diagnosis schematic diagram of the data transmission unit of GSM-R vehicle-mounted monitoring unit in train travelling process in Fig. 5 GSM-R onboard wireless transport module on-line monitoring system.
In Fig. 6 GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, set up communication link schematic diagram.
In Fig. 7 GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, communication link is safeguarded schematic diagram after setting up.
Embodiment
As shown in Figures 2 and 3, GSM-R onboard wireless transport module on-line monitoring system is comprised of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk two parts, wherein:
GSM-R vehicle-mounted monitoring unit overlaps power filter plate and A/B two by adapter unit, control unit, data transmission unit and A/B two and overlaps power-supply system and form; GSM-R ground monitoring information desk is comprised of UPS uninterrupted power supply, data storage cell, monitoring analysis unit, display unit and data transmission unit; The data transmission unit of described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is all nested with GPRS module; Described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk are by the GPRS Module Links of data transmission unit.
The A/B two of described GSM-R vehicle-mounted monitoring unit overlaps the main protection power source of power filter plate and avoids the external interference such as surge, burst of pulses, high-frequency crosstalk, guarantees the high reliability of power supply Electro Magnetic Compatibility.
The power supply B of described GSM-R vehicle-mounted monitoring unit and B-source filter band are standby as power supply A and a-power supply filter band, have realized the stability of equipment electric power system by the hot standby mode of two cover power supplys.
The adaptation unit of described GSM-R vehicle-mounted monitoring unit is mainly realized the level conversion between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, is the data channel between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk.
The control unit of described GSM-R vehicle-mounted monitoring unit mainly completes the data processing between analyzing and processing, storage and GSM-R onboard wireless transport module and the GSM-R ground monitoring information desk to GSM-R onboard wireless transport module service data.
For guaranteeing at any time the unimpeded of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk data channel, GSM-R vehicle-mounted monitoring unit need to carry out self diagnosis processing, comprises the processing of start self diagnosis and self diagnosis processing in transit; Realize foundation and maintenance and the processing to GSM-R onboard wireless transport module running state data and the storage to abnormal data of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously.
As shown in Figure 1, utilize GSM-R onboard wireless transport module on-line monitoring system to carry out on-line monitoring mode to be: GSM-R onboard wireless transport module is transferred to GSM-R vehicle-mounted monitoring unit by adaptor interface by real-time status data and Monitoring Data, GSM-R vehicle-mounted monitoring unit carries out by the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit, sending GSM-R ground monitoring information desk to after analyzing and processing to data, realize the foundation of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously, the self diagnosis of maintenance and equipment of itself, GSM-R ground monitoring information desk is received after the data of GSM-R vehicle-mounted monitoring unit transmission, it is carried out after inventory analysis, mode with data and legend is shown to monitoring personnel by the display unit of GSM-R ground monitoring information desk.
As shown in Figure 4, in GSM-R onboard wireless transport module on-line monitoring system, the data transmission unit of GSM-R vehicle-mounted monitoring unit start self diagnosis represents that mode is:
Step 1: when the data transmission unit of GSM-R vehicle-mounted monitoring unit starts self diagnosis, open communication serial port, as communication serial port is opened extremely, report serial ports is opened mistake, and storage failure information;
Step 2: as communication serial port is normally opened, serial ports parameter is set, and in testing GSM-R vehicle-mounted monitoring unit, whether the GPRS module of data transmission unit is normal, as undesired, the undesired mistake of report GPRS, and storage failure information;
Step 3: if the GPRS module of data transmission unit is normal in GSM-R vehicle-mounted monitoring unit, whether test SIM card is normal, as undesired, report SIM card mistake, and storage failure information;
Step 4: as normal in SIM card, whether normally test field intensity, as undesired, a little less than report field intensity, and storage failure information;
Step 5: as field intensity is normal, return to data transmission unit start self diagnosis successful result in GSM-R vehicle-mounted monitoring unit.
As shown in Figure 5, in GSM-R onboard wireless transport module on-line monitoring system, the in transit self diagnosis mode of the data transmission unit of GSM-R vehicle-mounted monitoring unit in train travelling process is:
Step 1: when the in transit self diagnosis of the data transmission unit of GSM-R vehicle-mounted monitoring unit in train travelling process starts, start self diagnosis timer in transit, judge whether the data transmission unit of GSM-R vehicle-mounted monitoring unit has data communication, if any, cancel self diagnosis timer, and continue communication;
Step 2: as the data transmission unit of GSM-R vehicle-mounted monitoring unit does not have data communication, the time of carrying out self diagnosis at the data transmission unit to GSM-R vehicle-mounted monitoring unit of setting then, start self-diagnostic program in transit, the GPRS module of simultaneously switching data transmission unit in GSM-R vehicle-mounted monitoring unit transfers online coomand mode to by online data state, whether and it is normal to test GPRS module, as undesired, GPRS is undesired in report, and storage failure information;
Step 3: as normal in the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit, whether normally test SIM card, as undesired, report SIM card mistake, and storage failure information;
Step 4: if SIM card is normal, whether test field intensity is normal, as undesired, a little less than report field intensity, and storage failure information;
Step 5: as normal in field intensity, the GPRS module of switching data transmission unit in GSM-R vehicle-mounted monitoring unit transfers online data state to by online coomand mode, and continue communication.
As shown in Figure 6, in GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, setting up communication link mode is:
While setting up communication link, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and configure the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, then call out GSM-R ground monitoring information desk, as failure, record failure cause, as success, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, set up communication link and be successfully established.
As shown in Figure 7, in GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, the maintenance mode after communication link foundation is:
When in the timing of setting communication link is safeguarded, the data transmission unit of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is received when link disconnects sign, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and the GPRS module of the data transmission unit to GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is configured, call out GSM-R ground monitoring information desk, if failure, record failure cause, as success, communication link re-establishes successfully;
The time of setting when communication link is safeguarded then, the data transmission unit of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk sends link test packet each other, as GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk are all received test reply data bag, represent that link is normal, as do not received test packet, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is configured, call out GSM-R ground monitoring information desk, if failure, record failure cause, as success, communication link re-establishes successfully.
Claims (7)
1. a CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system, by GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk two parts, formed, wherein: GSM-R vehicle-mounted monitoring unit overlaps power filter plate and A/B two by adapter unit, control unit, data transmission unit and A/B two and overlaps power-supply system and form; GSM-R ground monitoring information desk is comprised of UPS uninterrupted power supply, data storage cell, monitoring analysis unit, display unit and data transmission unit; The data transmission unit of described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is all nested with GPRS module; Described GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk are by the GPRS module wireless connections of data transmission unit;
It is characterized in that: described on-line monitoring system is monitored the state of GSM-R onboard wireless transport module by the start shooting self diagnosis of foundation, maintenance and the equipment of itself of communication link between self diagnosis and self diagnosis in transit and GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk of data transmission unit;
The A/B two of described GSM-R vehicle-mounted monitoring unit overlaps the main protection power source of power filter plate and avoids surge, burst of pulses, high-frequency crosstalk external interference, guarantees the high reliability of power supply Electro Magnetic Compatibility;
The power supply B of described GSM-R vehicle-mounted monitoring unit and B-source filter band are standby as power supply A and a-power supply filter band, have realized the stability of equipment electric power system by the hot standby mode of two cover power supplys;
The adaptation unit of described GSM-R vehicle-mounted monitoring unit is mainly realized the level conversion between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, is the data channel between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk;
The control unit of described GSM-R vehicle-mounted monitoring unit mainly completes the data processing between analyzing and processing, storage and GSM-R onboard wireless transport module and the GSM-R ground monitoring information desk to GSM-R onboard wireless transport module service data;
The human-computer interaction terminal that the display unit of described GSM-R ground monitoring information desk operates for monitoring personnel;
The UPS uninterrupted power supply of described GSM-R ground monitoring information desk provides reliable electric power system for GSM-R ground monitoring information desk;
The data storage cell of described GSM-R ground monitoring information desk is mainly stored GSM-R onboard wireless transport module running status report message data;
The monitoring analysis unit major function of described GSM-R ground monitoring information desk is: analyze GSM-R onboard wireless transport module status poll response message and GSM-R onboard wireless transport module running status report message, and by display unit, be shown to monitoring personnel with the form of data and legend, if GSM-R onboard wireless transport module breaks down there is the advance notice of reporting to the police in Shi Bingxiang monitoring personnel; Data are stored, all GSM-R onboard wireless transport module status polls and GSM-R vehicle-mounted monitoring unit response message and GSM-R onboard wireless transport module running status report message are stored into GSM-R ground monitoring information desk data storage cell; Can, to the inquiry of historical data, by equipment, date, operator's condition, carry out one-level and multilevel query; Historical data statistics and analysis, by the analysis of institute's enquiry of historical data being found out to the fault rule of equipment operation and being shown with the form of curve chart, for attendant and product design personnel reference.
2. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, for guaranteeing at any time the unimpeded of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk data channel, GSM-R vehicle-mounted monitoring unit need to carry out self diagnosis processing, comprises the processing of start self diagnosis and self diagnosis processing in transit; Realize foundation and maintenance and the processing to GSM-R onboard wireless transport module running state data and the storage to abnormal data of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously.
3. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, utilize GSM-R onboard wireless transport module on-line monitoring system to carry out on-line monitoring mode to be: GSM-R onboard wireless transport module is transferred to GSM-R vehicle-mounted monitoring unit by adaptor interface by real-time status data and Monitoring Data, GSM-R vehicle-mounted monitoring unit carries out by the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit, sending GSM-R ground monitoring information desk to after analyzing and processing to data, realize the foundation of the communication link between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk simultaneously, the self diagnosis of maintenance and equipment of itself, GSM-R ground monitoring information desk is received after the data of GSM-R vehicle-mounted monitoring unit transmission, it is carried out after inventory analysis, mode with data and legend is shown to monitoring personnel by the display unit of GSM-R ground monitoring information desk.
4. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, in GSM-R onboard wireless transport module on-line monitoring system, the data transmission unit of GSM-R vehicle-mounted monitoring unit start self diagnosis shows that mode is:
Step 1: when the data transmission unit of GSM-R vehicle-mounted monitoring unit starts self diagnosis, open communication serial port, as communication serial port is opened extremely, report serial ports is opened mistake, and storage failure information;
Step 2: as communication serial port is normally opened, serial ports parameter is set, and in testing GSM-R vehicle-mounted monitoring unit, whether the GPRS module of data transmission unit is normal, as undesired, the undesired mistake of report GPRS, and storage failure information;
Step 3: if the GPRS module of data transmission unit is normal in GSM-R vehicle-mounted monitoring unit, whether test SIM card is normal, as undesired, report SIM card mistake, and storage failure information;
Step 4: as normal in SIM card, whether normally test field intensity, as undesired, a little less than report field intensity, and storage failure information;
Step 5: as field intensity is normal, return to data transmission unit start self diagnosis successful result in GSM-R vehicle-mounted monitoring unit.
5. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, in GSM-R onboard wireless transport module on-line monitoring system, the in transit self diagnosis mode of the data transmission unit of GSM-R vehicle-mounted monitoring unit in train travelling process is:
Step 1: when the in transit self diagnosis of the data transmission unit of GSM-R vehicle-mounted monitoring unit in train travelling process starts, start self diagnosis timer in transit, judge whether the data transmission unit of GSM-R vehicle-mounted monitoring unit has data communication, if any, cancel self diagnosis timer, and continue communication;
Step 2: as the data transmission unit of GSM-R vehicle-mounted monitoring unit does not have data communication, the time of carrying out self diagnosis at the data transmission unit to GSM-R vehicle-mounted monitoring unit of setting then, start self-diagnostic program in transit, the GPRS module of simultaneously switching data transmission unit in GSM-R vehicle-mounted monitoring unit transfers online coomand mode to by online data state, whether and it is normal to test GPRS module, as undesired, GPRS is undesired in report, and storage failure information;
Step 3: as normal in the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit, whether normally test SIM card, as undesired, report SIM card mistake, and storage failure information;
Step 4: if SIM card is normal, whether test field intensity is normal, as undesired, a little less than report field intensity, and storage failure information;
Step 5: as normal in field intensity, the GPRS module of switching data transmission unit in GSM-R vehicle-mounted monitoring unit transfers online data state to by online coomand mode, and continue communication.
6. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, in GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, set up communication link mode and be:
While setting up communication link, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and configure the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, then call out GSM-R ground monitoring information desk, as failure, record failure cause, as success, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, set up communication link and be successfully established.
7. a kind of CTCS-3 level train control system GSM-R onboard wireless transport module on-line monitoring system as claimed in claim 1, it is characterized in that, in GSM-R onboard wireless transport module on-line monitoring system, between GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk, the maintenance mode after communication link foundation is:
When in the timing of setting communication link is safeguarded, the data transmission unit of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is received when link disconnects sign, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and the GPRS module of the data transmission unit to GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is configured, call out GSM-R ground monitoring information desk, if failure, record failure cause, as success, communication link re-establishes successfully;
The time of setting when communication link is safeguarded then, the data transmission unit of GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk sends link test packet each other, as GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk are all received test reply data bag, represent that link is normal, as do not received test packet, GSM-R vehicle-mounted monitoring unit reads GSM-R ground monitoring information desk telephone number, and the GPRS module of data transmission unit in GSM-R vehicle-mounted monitoring unit and GSM-R ground monitoring information desk is configured, call out GSM-R ground monitoring information desk, if failure, record failure cause, as success, communication link re-establishes successfully.
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|---|---|---|---|---|
| CN101007537A (en) * | 2007-01-26 | 2007-08-01 | 北京交通大学 | Universal automatic protection (ATP) vehicle-mounted system for train and its mode control method |
| CN101574975A (en) * | 2009-06-03 | 2009-11-11 | 北京六捷科技有限公司 | Vehicle monitoring system based on CTCS-3 level train control system and terminal thereof |
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| CN102238576A (en) | 2011-11-09 |
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