CN102785681A - Method, equipment and system for monitoring on-road safety condition of train - Google Patents
Method, equipment and system for monitoring on-road safety condition of train Download PDFInfo
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- CN102785681A CN102785681A CN201210266164XA CN201210266164A CN102785681A CN 102785681 A CN102785681 A CN 102785681A CN 201210266164X A CN201210266164X A CN 201210266164XA CN 201210266164 A CN201210266164 A CN 201210266164A CN 102785681 A CN102785681 A CN 102785681A
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Abstract
The invention provides a method, equipment and a system for monitoring the on-road safety condition of a train. The method comprises the following steps: acquiring on-road detection parameters when the train is in a running state; acquiring on-road running state information according to the on-road detection parameters; and sending the acquired data to a ground monitoring center, so that managerial personnel in the monitoring center can know the state of the train according to the data and take corresponding measures, and the driver, the maintenance personnel, the safety managerial personnel or the like of the train are prompted promptly as long as major failure happens on the train in the running state. Therefore, corresponding measures can be carried out according to the failure, which improves the running safety of the train.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of train method for monitoring safety status in transit, equipment and system.
Background technology
Urban rail transit construction is a complicacy, great system engineering; China's track traffic is in extensive line construction and the peak load conditions of opening; But the accident that the track train fault causes happens occasionally; Therefore, the safe operation of assurance track train is the important component part in the urban rail transit construction system.
For the security monitoring aspect of track train running state, mainly be the safety that ensures train operation through periodic inspection and maintenance, still at present to various parts such as mobile unit, communication facilities, various check implements; Adopt this mode that equipment is regularly detected and keeps in repair; Not only have certain blindness, and, when being difficult to detect or getting rid of track train and be in running state; The fault that various device exists; Therefore, because of the timely fault of discovering device, influence the safe operation of track train probably.
Summary of the invention
One aspect of the present invention provides a kind of train method for monitoring safety status in transit, to improve the safety of train operation.
This train method for monitoring safety status in transit comprises:
Obtain the detected parameters in transit of train operation state, said detected parameters in transit comprises signal and the data of obtaining with the cooresponding sensor that is installed in the train each several part of train number at least;
Obtain running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
Second aspect of the present invention also provides a kind of train method for monitoring safety status in transit, and this method comprises:
Set up the route and communicate protocol conversion of communicating by letter with the ground monitoring center, so that said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center.
Third aspect of the present invention also provides a kind of train method for monitoring safety status in transit, and this method comprises:
Receive and store said detected parameters in transit and running state information in transit;
Obtain train fault hidden danger early warning information according to historical and current detected parameters said in transit and running state information in transit, and show.
Fourth aspect present invention also provides a kind of In-vehicle networking, comprising:
Parameter acquisition module is used to obtain the detected parameters in transit of train operation state, and said detected parameters in transit comprises signal and the data of obtaining with the cooresponding sensor that is installed in the train each several part of train number at least;
The diagnostic message acquisition module is used for obtaining running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
Fifth aspect present invention also provides a kind of car ground transmission network, comprising:
Information forwarding module, be used to set up with the ground monitoring center communicate by letter route with communicate protocol conversion, so that said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center.
Sixth aspect present invention also provides a kind of ground monitoring center, comprising:
The message pick-up memory module is used for receiving and storing said detected parameters in transit and running state information in transit;
The early warning information acquisition module is used for obtaining train fault hidden danger early warning information according to historical and current detected parameters said in transit and running state information in transit;
Display module is used to show said train fault hidden danger early warning information.
Seventh aspect present invention also provides a kind of train monitoring safety status in transit system, comprises In-vehicle networking provided by the invention, car provided by the invention ground transmission network and ground monitoring provided by the invention center.
Train provided by the invention method for monitoring safety status in transit; At first obtain the detected parameters in transit of train operation state, and obtain the running state information in transit of train according to detected parameters in transit, the above-mentioned data of obtaining can send to the ground monitoring center; Understand the state of train according to above-mentioned data for personnel such as the management of monitoring and control centre, maintenances; So that the related personnel takes appropriate measures, major failure appears in case find the train that is in running state, can in time point out driver, maintainer, the safety management of this train; To take counter-measure, improve the safety of train operation according to failure condition
Description of drawings
Fig. 1 is the diagram of circuit of the train method for monitoring safety status in transit that the embodiment of the invention provided;
Fig. 2 is the diagram of circuit of the train method for monitoring safety status in transit that another embodiment of the present invention provided;
Fig. 3 is the diagram of circuit of the train method for monitoring safety status in transit that further embodiment of this invention provided;
Fig. 4 is the diagram of circuit of the train method for monitoring safety status in transit that further embodiment of this invention provided;
Fig. 5 is the structural representation of the In-vehicle networking that the embodiment of the invention provided;
Fig. 6 is the structural representation of the In-vehicle networking that another embodiment of the present invention provided;
Fig. 7 is the structural representation of the car ground transmission network that the embodiment of the invention provided;
Fig. 8 is the structural representation at the ground monitoring center that the embodiment of the invention provided;
Fig. 9 is the structural representation of the train monitoring safety status in transit system that the embodiment of the invention provided.
The specific embodiment
The embodiment of the invention provides a kind of train method for monitoring safety status in transit, and Fig. 1 is the diagram of circuit of the train method for monitoring safety status in transit that the embodiment of the invention provided, and as shown in Figure 1, this method specifically comprises:
Step S100, obtain the detected parameters in transit of train operation state, signal and data that said detection information in transit is obtained with the cooresponding sensor that is installed in the train each several part of train number at least.
Various sensors can be set ON TRAINS, and to obtain various signals and data through various sensors, signal that sensor obtains and data can comprise various parameters when train is in running state; For example; Blast in the train braking pipeline, the temperature of train driving engine, the speed of train driving and acceleration/accel; The parameters such as degree of balance of underframe during train driving, these sensing datas can characterize the running state of train.
Can carry out unified management, at this moment with many trains that are in same track traffic pipe network system as one group; Various sensors can be set on each train respectively, the various parameters when gathering each train operation state respectively, and; Because signal and data that this detected parameters in transit comprises train number at least and obtains through sensor; And the signal that each sensor obtains is corresponding with train number with data, therefore, can know clearly this signal and data are to come from which train.
Step S110, obtain running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
The detected parameters in transit that above-mentioned steps is obtained just characterizes some information of train operation state; Can the detected parameters in transit of each train that obtains be sent to a diagnosis main frame through existing In-vehicle networking respectively; The diagnosis main frame carries out analyzing and processing to detected parameters in transit; To obtain running state information in transit; This running state information in transit is represented the information whether train breaks down, and this running state information in transit can comprise numbering, the train each several part running state of train, detected value of the position, failure mode and this trouble location that also comprise faulty condition etc. if train breaks down.
For example; If the blast in the detected train braking pipeline of a certain moment is 200Kpa, and the wind pressure value under the normal condition should be greater than 450Kpa, through detected blast and normal wind pressure value are compared; Can know that the blast in the train braking pipeline is lower than normal wind pressure value; Expression train braking pipeline breaks down, at this moment, and the running state information in transit that the expression train brake pipe transportation work style of generation one this train of expression is forced down.
Because above-mentioned detected parameters of obtaining in transit and running state information in transit obtain when being in operation for each train; Therefore; For above-mentioned data are carried out comprehensive treatment, understand the situation of each train, can above-mentioned data be sent to the ground monitoring center; Understand the state of train for the operating personal of monitoring and control centre according to above-mentioned data, so that operating personal takes appropriate measures.
Can know that by technique scheme the train that the embodiment of the invention provides method for monitoring safety status in transit at first obtains the detected parameters in transit of train operation state; And obtain the running state information in transit of train according to detected parameters in transit; The above-mentioned data of obtaining can send to the ground monitoring center, understand the state of train for the operating personal of monitoring and control centre according to above-mentioned data, so that operating personal takes appropriate measures; Major failure appears in case find the train that is in running state; Can in time point out driver, maintainer or the safety manager etc. of this train,, improve the safety of train operation to take counter-measure according to the failure condition scene.
Fig. 2 is the diagram of circuit of the train method for monitoring safety status in transit that another embodiment of the present invention provided; As shown in Figure 2; On the basis of the foregoing description, further, also comprise afterwards according to the detected parameters in transit of obtaining train operation state described in the above-mentioned steps S100:
Step S101, to said detected parameters in transit classify, filtration, ordering and processed compressed.
Signal and the data of the detected parameters of obtaining in transit for obtaining through various sensors; Therefore; Can at first classify to above-mentioned various signals and data, classification just with various signals and data according to certain regular divide into several classes, signal and data that signal in every type and data all comprise same type; For example, wherein one type of data are the signal of representing train speed and data etc. for the signal of expression train temperature and data, another kind of data; And; Possibly there are redundant signal and data because other disturb; Therefore, can be once more filter to remove the signal and the data of redundancy wherein this signal and data, then also can be according to certain rule to the signal that obtains with data sort and processed compressed; To reduce the space of signal and data occupancy, make things convenient for the transmission of signal and data.
And; As shown in Figure 2; Obtain running state information in transit according to said detected parameters in transit described in the above-mentioned step S110, comprise and can further may further comprise the steps so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center:
Step S1101, obtain running state information in transit according to said detected parameters in transit;
Step S1102, train driving Influence on security degree is carried out the priority level ordering to said detected parameters in transit and running state information in transit, send to the ground monitoring center with detected parameters said in transit after will sorting and running state information in transit according to said detected parameters in transit and running state information in transit.
In the present embodiment, further detected parameters in transit and running state information in transit are carried out the priority level ordering, the principle of this ordering is to train driving Influence on security degree according to above-mentioned data; The high priority data rank of safety effects degree maximum is the highest, and the high priority data rank less to the train driving safety effects is lower, and the like; Minimum to the minimum priority level of train driving safety effects; Through above-mentioned data being carried out the priority level ordering, so that different grade of transmission is set in data transmission procedure, with at first transmitting of priority level the maximum data; And the minimum data of priority level transmit at last; The data transmission sequencing more reasonably is set, so that the ground monitoring center at first receives the data big to the influence of train safe property, the great abnormal condition during promptly and accurately discovery train operation; Be convenient to the related personnel and take counter-measure, further improve the safety monitoring of train operation.
The present invention also provides a kind of train method for monitoring safety status in transit, and this method comprises:
Set up the route and communicate protocol conversion of communicating by letter with the ground monitoring center, be transmitted to the ground monitoring center with the detected parameters said in transit and the running state information in transit that will receive.
In the present embodiment; Detected parameters of obtaining in transit and running state information in transit are the data that are in the In-vehicle networking; The communications protocol that In-vehicle networking relied on can be communication protocols such as ethernet, TCP/IP, CAN communication or 485; And the communication protocol that the ground monitoring center is relied on tcp/ip communication agreement normally; If the residing communication network of train is different with the residing communication network in ground monitoring center, can be through the communicate by letter route of transmission network foundation in car ground with the ground monitoring center, and communicate protocol conversion; Set up the transmission mechanism at In-vehicle networking and ground monitoring center, can the detection data in transit and the running state information in transit that be in In-vehicle networking be transmitted to the ground monitoring center.
On the basis of the foregoing description; As shown in Figure 3; Further, above-mentioned said foundation and ground monitoring center communicate by letter route with communicate protocol conversion, be transmitted to the ground monitoring center with the detected parameters said in transit that will receive and running state information in transit and comprise:
Step S2001, the foundation route of communicating by letter with first of car ground transmission network;
Step S2002, said detected parameters in transit and running state information in transit are repacked encapsulation converting the communications protocol format that car ground transmission network adopts to, and send said detected parameters in transit and running state information in transit according to the said first communication route of setting up;
The second communication route at step S2003, foundation and ground monitoring center;
Step S2004, said detected parameters in transit and running state information in transit are repacked encapsulation once more converting the communications protocol format that adopt at the ground monitoring center to, and said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center according to the said second communication route of setting up.
Because detected parameters in transit and the running state information in transit obtained are the data that are in the In-vehicle networking; Therefore; Can realize the data transmission between In-vehicle networking and the ground monitoring center through car ground transmission network; Car ground transmission network based on communication protocol be generally wireless communication protocol; All inequality with the communication network under car zone network and the ground monitoring center; Will through car ground transmission network set up In-vehicle networking and ground monitoring center communicate by letter route with communicate protocol conversion, can be at first set up the In-vehicle networking route of communicating by letter with first of car ground transmission network through ON TRAINS router is set, through the onboard wireless gateway detected parameters in transit and running state information in transit are repacked then and encapsulate the communications protocol format that converts the transmission network employing of car ground to; Realize the mutual communication between In-vehicle networking and the car ground transmission network, and detected parameters in transit and running state information in transit are sent according to the base station of the first communication route of setting up through trackside.
Secondly; Set up the second communication route at car ground transmission network and ground monitoring center through another router that is arranged on the station; Through the terrestrial wireless gateway detected parameters of transmitting in the car ground transmission network in transit and running state information in transit are repacked encapsulation then and convert the communications protocol format that communication network adopts under the ground monitoring center to; Realize the mutual communication between car ground transmission network and the ground monitoring center, and detected parameters in transit and running state information in transit are sent to the ground monitoring center according to the second communication route of setting up.
And, specifically can comprise among the step S2002 of the above-mentioned embodiment of being:
Said detected parameters in transit and running state information in transit are repacked encapsulation to convert the communications protocol format that adopt at the ground monitoring center to; And said first each transmission path of communicating by letter in the route of setting up according to the priority level of said detected parameters in transit and running state information in transit ordering adjustment, to send said detected parameters in transit and running state information in transit according to cooresponding transmission path.
Data being carried out in the transmission course through the first communication route of setting up, comprise many transmission paths in the first communication route, the transmission path of each data can perhaps be set according to the path of acquiescence in advance, each data is transmitted according to corresponding path.In the present embodiment, the detected parameters in transit and the running state information in transit of required transmission have priority level, therefore; The onboard wireless gateway can be according to this each transmission path of priority level adjustment; The fast transmission path of The data speed of transmission that priority level is high sends out, and the lower slower transmission path of The data speed of transmission of priority level sends out, and the data transmission sequencing more reasonably is set; So that the ground monitoring center at first receives the data big to the influence of train safe property; Great abnormal condition during promptly and accurately discovery train operation are convenient to operating personal and are taked counter-measure, further improve the safety monitoring of train operation.
Fig. 4 is the diagram of circuit of the train method for monitoring safety status in transit that further embodiment of this invention provided, and shown in 4 figure, this method comprises:
Step S300, reception are also stored said detected parameters in transit and running state information in transit;
Step S310, obtain train fault hidden danger early warning information, and show according to historical and current detected parameters said in transit and running state information in transit.
In the present embodiment; Can one computing machine or other forms of treater be set as monitor being positioned at ground-surface ground monitoring center; To receive and to store detected parameters in transit and running state information in transit; Also can show this detected parameters in transit and running state information in transit through monitor; So that the operating personal at ground monitoring center is understood the situation that is in the running state train through observing above-mentioned data changes with time, and monitor can further obtain train fault hidden danger early warning information according to historical and current detected parameters in transit and running state information in transit.This train fault hidden danger early warning information can comprise the numbering of train, the position of train fault hidden danger etc.
For example; If the temperature value of the train driving engine that a certain moment obtains through temperature sensor is a little more than the normal temperature value; It has been generally acknowledged that not et out of order of driving engine, and if in a period of time, compare through temperature value to certain train driving engine, find that temperature value continues to raise; Can think that then there is the hidden danger fault in this train driving engine, there is the early warning information of hidden danger fault in the driving engine that monitoring and control centre will generate this train of expression.
Monitor can be through analyzing the method that relatively waits with historical data and current data; Obtain train fault hidden danger early warning information; And show, exist the trouble location of hidden danger to overhaul to remind operating personal to this train, can in time find the hidden danger fault that some position of train exists; To take corresponding measure to discharge potential safety hazard, guarantee safe train operation.
Fig. 5 is for the structural representation of the In-vehicle networking that the embodiment of the invention provided, and is as shown in Figure 5, and this In-vehicle networking comprises parameter acquisition module 10 and diagnostic message acquisition module 11.
Diagnostic message acquisition module 11 is used for obtaining running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
The In-vehicle networking that present embodiment provides can be used for carrying out above-mentioned method embodiment shown in Figure 1; In-vehicle networking can be realized the collection of train detected parameters in transit and processing; Obtain the detected parameters in transit of train operation state through parameter acquisition module; And pass through the running state information in transit that the diagnostic message acquisition module obtains train, the above-mentioned data of obtaining can send to the ground monitoring center, understand the state of train according to above-mentioned data for the operating personal of monitoring and control centre; So that operating personal takes appropriate measures; Major failure occurs in case find the train that is in running state, driver, maintainer or the safety manager etc. that can in time point out this train provide safeguard to safe train operation to take counter-measure according to failure condition.
On the basis of the foregoing description, as shown in Figure 6, further, this In-vehicle networking can also comprise integrate module 12, is used for said detected parameters in transit through classification, compression, ordering and filtration treatment.
And above-mentioned diagnostic message acquisition module 11 can comprise failure diagnosis unit 111 and information sorting unit 112.
Wherein, failure diagnosis unit 111 is used for obtaining running state information in transit according to said detected parameters in transit;
The In-vehicle networking that present embodiment provides can be used for carrying out above-mentioned method embodiment shown in Figure 2, and its realization principle and technique effect are similar, repeat no more here.
The embodiment of the invention provides car ground transmission network; This car ground transmission network comprises information forwarding module; Be used to set up with the ground monitoring center communicate by letter route with communicate protocol conversion, so that said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center.
In the present embodiment, set up the transmission mechanism at In-vehicle networking and ground monitoring center through car ground transmission network, the communication route with communicate protocol conversion, can the detection data in transit and the running state information in transit that be in In-vehicle networking be transmitted to the ground monitoring center.
And as shown in Figure 7, above-mentioned information forwarding module can comprise vehicle-mounted router two 01, onboard wireless gateway 202, station router two 03 and terrestrial wireless gateway 204.
Vehicle-mounted router two 01 is used to set up the route of communicating by letter with first of car ground transmission network;
Station router two 03 is used to set up the second communication route at car ground transmission network and ground monitoring center;
The car ground transmission network that present embodiment provides can be carried out above-mentioned method embodiment shown in Figure 3; At first set up the In-vehicle networking route of communicating by letter with first of car ground transmission network through vehicle-mounted router; Through the onboard wireless gateway detected parameters in transit and running state information in transit are repacked the communications protocol format that encapsulation converts the transmission network employing of car ground to then; Realize the mutual communication between In-vehicle networking and the car ground transmission network, and detected parameters in transit and running state information in transit are sent according to the base station of the first communication route of setting up through trackside.
Secondly; Set up the second communication route at car ground transmission network and ground monitoring center through the station router; Through the terrestrial wireless gateway detected parameters of transmitting in the car ground transmission network in transit and running state information in transit are repacked encapsulation then and convert the communications protocol format that communication network adopts under the ground monitoring center to; Realize the mutual communication between car ground transmission network and the ground monitoring center, and detected parameters in transit and running state information in transit are sent to the ground monitoring center according to the second communication route of setting up.
On the foregoing description basis, further, said terrestrial wireless gateway specifically is used for:
Said detected parameters in transit and running state information in transit are repacked encapsulation to convert the communications protocol format that adopt at the ground monitoring center to; And said first each transmission path of communicating by letter in the route of setting up according to the priority level of said detected parameters in transit and running state information in transit ordering adjustment, to send said detected parameters in transit and running state information in transit according to cooresponding transmission path.
In the present embodiment; Through the terrestrial wireless gateway, each transmission path in the communication route is adjusted, ordering distributes different transmission path foundation that data transmission mechanism more reasonably is set according to the high priority data rank; So that the ground monitoring center at first receives the data big to the influence of train safe property; Great abnormal condition during promptly and accurately discovery train operation are convenient to operating personal and are taked counter-measure, further improve the safety monitoring of train operation.
Fig. 8 is the structural representation at the ground monitoring center that the embodiment of the invention provided, and as shown in Figure 8, this ground monitoring center comprises message pick-up memory module 30, early warning information acquisition module 31 and display module 32.
Message pick-up memory module 30 is used for receiving and storing said detected parameters in transit and running state information in transit;
Early warning information acquisition module 31 is used for obtaining train fault hidden danger early warning information according to historical and current detected parameters said in transit and running state information in transit;
Above-mentioned method embodiment shown in Figure 4 can be carried out in the ground monitoring center that the embodiment of the invention provides,
Can one computing machine or other forms of treater be set as monitor being positioned at ground-surface ground monitoring center; Can and store detected parameters in transit and running state information in transit through the monitor reception, so that the operating personal at ground monitoring center is understood the situation that is in the running state train through observing above-mentioned data changes with time, and; Monitor can further obtain train fault hidden danger early warning information according to historical and current detected parameters in transit and running state information in transit; Can obtain train fault hidden danger early warning information, and show through historical data and current data are analyzed the method that relatively waits; To remind operating personal that this train driving engine is overhauled; Can in time find the hidden danger fault that some parts of train exist, discharge potential safety hazard, guarantee safe train operation to take corresponding measure.
Fig. 9 is the structural representation of the train monitoring safety status in transit system that the embodiment of the invention provided; As shown in Figure 9; This train monitoring safety status in transit system comprises In-vehicle networking 1, car ground transmission network 2 and ground monitoring center 3 that the embodiment of the invention provides.
The forewarn system that the embodiment of the invention provides can be carried out train provided by the invention method for early warning in transit, and this forewarn system comprises three parts; Wherein, In-vehicle networking is realized collection and the processing to train detected parameters in transit, and car ground transmission network is set up the communication mechanism at In-vehicle networking and ground monitoring center, and the realization In-vehicle networking is communicated by letter with the ground monitoring center; Send to ground with data and set up the center the In-vehicle networking collection; The ground monitoring center receives the data that storage In-vehicle networking also sends, and the data that receive are further utilized and excavated, and obtains train fault hidden danger early warning information; Finally realize train driving status detection and safe early warning, improve the safety of train operation.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through comprising the relevant hardware of programmed instruction; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (15)
1. a train method for monitoring safety status in transit is characterized in that, comprising:
Obtain the detected parameters in transit of train operation state, said detected parameters in transit comprises signal and the data of obtaining with the cooresponding sensor that is installed in the train each several part of train number at least;
Obtain running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
2. train according to claim 1 method for monitoring safety status in transit is characterized in that, the detected parameters in transit that said basis is obtained train operation state also comprises afterwards:
To said detected parameters in transit classify, filtration, ordering and processed compressed.
3. train according to claim 1 and 2 method for monitoring safety status in transit; It is characterized in that; Saidly obtain running state information in transit, comprise so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center according to said detected parameters in transit:
Obtain running state information in transit according to said detected parameters in transit;
According to said detected parameters in transit and running state information in transit train driving Influence on security degree is carried out the priority level ordering to said detected parameters in transit and running state information in transit, send to the ground monitoring center with detected parameters said in transit after will sorting and running state information in transit.
4. train method for monitoring safety status in transit is characterized in that:
Set up the route and communicate protocol conversion of communicating by letter with the ground monitoring center, so that said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center.
5. train according to claim 4 method for monitoring safety status in transit; It is characterized in that; Said foundation and ground monitoring center communicate by letter route with communicate protocol conversion, be transmitted to the ground monitoring center with the detected parameters said in transit that will receive and running state information in transit and comprise:
Set up the route of communicating by letter with first of car ground transmission network;
Said detected parameters in transit and running state information in transit are repacked encapsulation converting the communications protocol format that car ground transmission network adopts to, and send said detected parameters in transit and running state information in transit according to the said first communication route of setting up;
Set up the second communication route at car ground transmission network and ground monitoring center;
Said detected parameters in transit and running state information in transit are repacked encapsulation once more converting the communications protocol format that adopt at the ground monitoring center to, and said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center according to the said second communication route of setting up.
6. train according to claim 5 method for monitoring safety status in transit; It is characterized in that; Said said detected parameters in transit and running state information in transit are repacked encapsulation converting the communications protocol format that car ground transmission network adopts to, and send said detected parameters in transit and running state information in transit comprises according to the said first communication route of setting up:
Said detected parameters in transit and running state information in transit are repacked encapsulation to convert the communications protocol format that adopt at the ground monitoring center to; And said first each transmission path of communicating by letter in the route of setting up according to the priority level of said detected parameters in transit and running state information in transit ordering adjustment, to send said detected parameters in transit and running state information in transit according to cooresponding transmission path.
7. train method for monitoring safety status in transit is characterized in that:
Receive and store said detected parameters in transit and running state information in transit;
Obtain train fault hidden danger early warning information according to historical and current detected parameters said in transit and running state information in transit, and show.
8. an In-vehicle networking is characterized in that, comprising:
Parameter acquisition module is used to obtain the detected parameters in transit of train operation state, and said detected parameters in transit comprises signal and the data of obtaining with the cooresponding sensor that is installed in the train each several part of train number at least;
The diagnostic message acquisition module is used for obtaining running state information in transit according to said detected parameters in transit, so that said detected parameters in transit and running state information in transit are sent to the ground monitoring center.
9. In-vehicle networking according to claim 8 is characterized in that, also comprises:
Integrate module is used for said detected parameters in transit through classification, compression, ordering and filtration treatment.
10. according to Claim 8 or 9 described In-vehicle networkings, it is characterized in that said diagnostic message acquisition module comprises:
Failure diagnosis unit is used for obtaining running state information in transit according to said detected parameters in transit;
The information sorting unit; Be used for train driving Influence on security degree being carried out the priority level ordering to said detected parameters in transit and running state information in transit, send to the ground monitoring center with detected parameters said in transit after will sorting and running state information in transit according to said detected parameters in transit and running state information in transit.
11. a car ground transmission network is characterized in that, comprising:
Information forwarding module, be used to set up with the ground monitoring center communicate by letter route with communicate protocol conversion, so that said detected parameters in transit and running state information in transit are transmitted to the ground monitoring center.
12. car according to claim 11 ground transmission network is characterized in that said information forwarding module comprises:
Vehicle-mounted router is used to set up the In-vehicle networking route of communicating by letter with first of car ground transmission network;
The onboard wireless gateway; Be used for said detected parameters in transit and running state information in transit are repacked encapsulation converting the communications protocol format that car ground transmission network adopts to, and send said detected parameters in transit and running state information in transit according to the said first communication route of setting up;
The station router is used to set up the second communication route at car ground transmission network and ground monitoring center;
The terrestrial wireless gateway; Be used for said detected parameters in transit and running state information in transit are repacked encapsulation once more converting the communications protocol format that communication network adopts under the ground monitoring center to, and said detected parameters in transit and running state information in transit be transmitted to the ground monitoring center according to the said second communication route of setting up.
13. car according to claim 12 ground transmission network is characterized in that, said terrestrial wireless gateway specifically is used for:
Said detected parameters in transit and running state information in transit are repacked encapsulation to convert the communications protocol format that adopt at the ground monitoring center to; And said first each transmission path of communicating by letter in the route of setting up according to the priority level of said detected parameters in transit and running state information in transit ordering adjustment, to send said detected parameters in transit and running state information in transit according to cooresponding transmission path.
14. a ground monitoring center is characterized in that, comprising:
The message pick-up memory module is used for receiving and storing said detected parameters in transit and running state information in transit;
The early warning information acquisition module is used for obtaining train fault hidden danger early warning information according to historical and current detected parameters said in transit and running state information in transit;
Display module is used to show said train fault hidden danger early warning information.
15. a train monitoring safety status in transit system is characterized in that, comprises the arbitrary described In-vehicle networking of claim 8-10, the arbitrary described car of claim 11-13 ground transmission network and the described ground monitoring of claim 14 center.
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