CN102991536B - Speed per hour 250km/h motor train unit train network control system - Google Patents
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Abstract
The invention provides a kind of speed per hour 250km/h motor train unit train network control system, comprise the MVB equipment of wired train bus WTB, double-unit traction controller, the main Central Processing Unit (CPU) CCU corresponding with traction unit, main TCN TCN gateway, repeater and the vehicle corresponding with traction unit; Connected by WTB between the main TCN gateway of each traction unit, the MVB equipment of the vehicle in a traction unit is connected by MVB; Described MVB comprises MVB main chain and many MVB branch; The MVB equipment of each vehicle is connected to each described MVB branch; Main CCU is connected with main side car MVB branch, this main side car MVB branch and the main MVB equipment connection holding car; This main CCU comprises input/output module; Described main TCN gateway is also connected to described main side car MVB branch; Described many MVB branch is connected with described MVB main chain respectively by repeater.The present invention can improve the reliability of speed per hour 250km/h motor train unit train network control system and reduce propagation delay time.
Description
Technical field
The present invention relates to railroad train control technology, particularly relate to a kind of speed per hour 250km/h motor train unit train network control system.
Background technology
Train network control system is the nerve center of speed per hour 250 kilometers (km/h) per hour motor train unit; carry the control of whole motor train unit, supervision, diagnosis and protection task; the operation control of train, supervision, diagnosis function are responsible for; by nearly all equipment such as networked control system of the train and the management tractor equipment of train, brake equipment, high-tension apparatus, auxiliary power supply, air-conditioning, traffic safety equipment, car door and light equipments; play an important role in train operation, maintenance
Existing speed per hour 250km/h motor train unit train network control system adopts and meets TCN(Traincommunicationnetwork, TCN) the secondary bus equipment of standard.Four cars form a traction unit, MVB(MultifunctionVehicleBus is adopted in each traction unit inside, MVB) communicate, and between each traction unit, adopt WTB(WireTrainBus, wired train bus) communicate.
Fig. 1 is the constructional drawing of existing speed per hour 250km/h motor train unit train network control system.In FIG, (each traction unit comprises end car, the trailer being with pantograph, motor-car and trailer to show the speed per hour 250km/h motor train unit train network control system being applied to the first traction unit and the second traction unit, each car that in Fig. 1, not shown traction unit comprises, and illustrate only the speed per hour 250km/h motor train unit train network control system being applied to this first traction unit and this second traction unit), the MVB equipment in each traction unit is connected to WTB/MVB gateway by MVB.
As shown in Figure 1, in this speed per hour 250km/h motor train unit train network control system, in first traction unit, four MVB are from left to right respectively: with the MVB 11 of the MVB equipment connection in the end car of the first traction unit, with the MVB 12 of the MVB equipment connection in the trailer of the band pantograph of the first traction unit, the MVB 13 with the MVB equipment connection in the motor-car of the first traction unit, and with the MVB 14 of the MVB equipment connection in the trailer of the first traction unit; In second traction unit, dextrosinistral four MVB are respectively: with the MVB 21 of the MVB equipment connection in the end car of the second traction unit, with the MVB 22 of the MVB equipment connection in the trailer of the band pantograph of the second traction unit, the MVB 23 with the MVB equipment connection in the motor-car of the second traction unit, and with the MVB 24 of the MVB equipment connection in the trailer of the second traction unit.The MVB equipment being connected to MVB comprises: HMI(man-machine interface), ATC(driverless train control unit), HADS(hot box monitoring system), HVAC(air-conditioning and ventilation system), DCU(door control system), MBCU(main brake control unit), RIOM, MVB/RS485 gateway, DDU(remote data transmission device), BC(battery charger) and PIS(passenger information system) etc.
As shown in Figure 1, the topological structure of existing speed per hour 250km/h motor train unit train network control system is: in a traction unit, all devices is all gone here and there on a lattice chain, namely repeater is connected on the MVB between two adjacent MVB, and due to several quantitative limitations of series repeater on MVB, therefore can not all series repeater on the MVB between every two adjacent MVB, such as in FIG, in the network control system of the first traction unit, repeater is arranged on the MVB between MVB 12 and MVB 13, if be then connected to a MVB equipment of MVB 11 or be connected to a MVB device fails of MVB 12, then be connected to communication between MVB 11 and all MVB equipment of MVB 12 all et out of order (if owing to separating without repeater, then once a MVB breakdown of equipment in MVB, the communication of whole MVB can be affected), therefore the reliability of existing speed per hour 250km/h motor train unit train network control system is not high.And in existing speed per hour 250km/h motor train unit train network control system, CCU(Central Processing Unit (CPU)) only there is MVB communication interface and not there are IO(input and output) interface, all I/O signal can only pass through RIOM(Remoteinput/outputmodule, remote input output module) MVB interface and CCU communication, for the signal of interest affecting train safe, network delay is relatively large, equipment component also needs MVB/RS485 gateway accessing MVB, also can increase certain network delay, be unfavorable for improving reliability simultaneously.
Summary of the invention
Main purpose of the present invention is to provide a kind of speed per hour 250km/h motor train unit train network control system, to improve the reliability of train network control system and to reduce propagation delay time.
In order to achieve the above object, the invention provides a kind of speed per hour 250km/h motor train unit train network control system, comprise the MVB equipment of wired train bus WTB, double-unit traction controller, the main Central Processing Unit (CPU) CCU corresponding with traction unit, main TCN TCN gateway, repeater and the vehicle corresponding with traction unit; Connected by WTB between the main TCN gateway of each traction unit, the MVB equipment of the vehicle in a traction unit is connected by MVB;
Described MVB comprises MVB main chain and Duo Tiao MVB branch;
The MVB equipment of each vehicle is connected to each described MVB branch;
Main CCU is connected with main side car MVB branch, this main side car MVB branch and the main MVB equipment connection holding car; This main CCU comprises input/output module;
Described main TCN gateway is also connected to described main side car MVB branch;
Described many MVB branch is connected with described MVB main chain respectively by repeater.
During enforcement, two WTB by mutual redundancy between the main TCN gateway of each traction unit connect.
During enforcement, the MVB equipment of the vehicle in a traction unit is connected by two MVB of mutual redundancy.
During enforcement, speed per hour 250km/h motor train unit train network control system of the present invention also comprise corresponding with traction unit from CCU and with traction unit corresponding from TCN gateway;
Should be connected from CCU with from Duan Che MVB branch, slave end car MVB branch and hold car from MVB equipment connection;
Described be connected to from TCN gateway described from Duan Che MVB branch and WTB.
During enforcement, describedly comprise input/output module from CCU.
Compared with prior art, MVB is divided into MVB main chain and multiple MVB branch by speed per hour 250km/h motor train unit train network control system provided by the invention, each MVB branch is connected with MVB main chain respectively by repeater, and the MVB equipment of each vehicle is connected to each described MVB branch; Even if a wherein MVB breakdown of equipment of certain car like this, only affect the MVB equipment of this car and the communication of network at most, and the network communication of the MVB equipment of other vehicles in traction unit can not be affected, the reliability of speed per hour 250km/h motor train unit train network control system can be improved; And the main CCU be connected with main side car MVB branch comprises input/output module, input/output signal can directly access this main CCU by this input/output module, can reduce propagation delay time.
Accompanying drawing explanation
Fig. 1 is the constructional drawing of existing speed per hour 250km/h motor train unit train network control system;
Fig. 2 is the constructional drawing of the first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention;
Fig. 3 is the constructional drawing of the second embodiment of speed per hour 250km/h motor train unit train network control system of the present invention;
Fig. 4 is the constructional drawing of the 3rd embodiment of speed per hour 250km/h motor train unit train network control system of the present invention.
Detailed description of the invention
As shown in Figure 2, first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention, comprises the MVB equipment of wired train bus (WTB), MVB (MVB), the main Central Processing Unit (CPU) (CCU) corresponding with traction unit, main TCN (TCN) gateway, repeater and the vehicle corresponding with traction unit;
Connected by WTB between the main TCN gateway of each traction unit, the MVB equipment of the vehicle in a traction unit is connected by MVB;
Described MVB comprises MVB main chain and Duo Tiao MVB branch;
The MVB equipment of each vehicle is connected to each described MVB branch;
Main CCU is connected with main side car MVB branch, this main side car MVB branch and the main MVB equipment connection holding car; This main CCU comprises input/output module;
Described main TCN gateway is also connected to described main side car MVB branch;
Described many MVB branch is connected with described MVB main chain respectively by described repeater.
In fig. 2, four MVB branches are from left to right respectively: with the main side car MVB branch 31 of the main MVB equipment connection in the end car of the first traction unit, with the MVB branch 32 of the MVB equipment connection in the trailer of the band pantograph of the first traction unit, the MVB branch 33 with the MVB equipment connection in the motor-car of the first traction unit, and with the MVB branch 34 of the MVB equipment connection in the trailer of the first traction unit; Dextrosinistral four MVB are respectively: with the main side car MVB branch 41 of the main MVB equipment connection in the end car of the second traction unit, with the MVB branch 42 of the MVB equipment connection in the trailer of the band pantograph of the second traction unit, the MVB branch 43 with the MVB equipment connection in the motor-car of the second traction unit, and with the MVB branch 44 of the MVB equipment connection in the trailer of the second traction unit;
Concrete, main side car MVB branch 31 is connected with WTB by the main TCN gateway corresponding with the first traction unit;
The main CCU corresponding with the first traction unit is connected to main side car MVB branch 31;
Main side car MVB branch 41 is connected with WTB by the main TCN gateway corresponding with the second traction unit;
The main CCU corresponding with the second traction unit is connected to main side car MVB branch 41;
Main MVB equipment (being namely connected to the MVB equipment of main side car MVB branch 31) in the end car of the first traction unit comprising: main MMI(digital video interactive), SKS(input/output module) 1, SKS2, SKS3 and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 32) in the trailer of the band pantograph of the first traction unit comprising: SKS4-6, SKSA/B, HVAC, BCU(brak control unit) and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 33) in the motor-car of the first traction unit comprising: SKS4-6, SKSA/B, TCU(traction control unit), HVAC, BCU and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 34) in the trailer of the first traction unit comprising: SKS4-6, SKSA/B, HMI, HVAC, BC, STC(station train reception and departure program safety control and register system), BCU and MVB socket;
Main MVB equipment (being namely connected to the MVB equipment of main side car MVB branch 41) in the end car of the second traction unit comprising: main MMI(digital video interactive), SKS(input/output module) 1, SKS2, SKS3 and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 42) in the trailer of the band pantograph of the second traction unit comprising: SKS4-6, SKSA/B, HVAC, BCU(brak control unit) and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 43) in the motor-car of the second traction unit comprising: SKS4-6, SKSA/B, TCU(traction control unit), HVAC, BCU and MVB socket;
MVB equipment (being namely connected to the MVB equipment of MVB branch 44) in the trailer of the second traction unit comprising: SKS4-6, SKSA/B, HVAC, BC and MVB socket.
First embodiment of speed per hour 250km/h motor train unit train network control system of the present invention operationally, SKS(input/output module) 1, SKS2, SKS3, SKS4-6 and SKSA/B be responsible for the relevant information gathering other system and parts, and pass to main CCU by MVB, send command adapted thereto and information after being processed by it to related system and parts; Simultaneously SKS(input/output module) 1, the information that transmits of SKS2, SKS3, SKS4-6 and SKSA/B, carry out corresponding signal output, to control the correlation function of each system and parts.Other MVB equipment is communicated with main CCU by MVB, main TCN gateway and WTB, feeds back corresponding signal to main CCU, and transports accordingly and action according to the corresponding signal that MVB transmits.
MVB is divided into MVB main chain and multiple MVB branch by the first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention, each MVB branch is connected with MVB main chain respectively by repeater, and the MVB equipment of each vehicle is connected to each described MVB branch; Even if a wherein MVB breakdown of equipment of certain car like this, only affect the MVB equipment of this car and the communication of network at most, and can not affect the MVB equipment of other vehicles in traction unit network communication (and if separate without repeater, then once a MVB breakdown of equipment on MVB, the communication of whole MVB can be affected), contribute to the reliability improving speed per hour 250km/h motor train unit train network control system;
And in the first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention, main CCU is connected with main side car MVB branch; This main CCU comprises input/output module, input/output signal can directly access this main CCU by this input/output module, propagation delay time is minimum, the input/output module of this main CCU can be accessed for the signal of interest affecting train safe, this main CCU can make this signal of interest and responds faster and process, do not need transfer gateway, can propagation delay time be reduced.
Fig. 3 is the constructional drawing of the second embodiment of speed per hour 250km/h motor train unit train network control system of the present invention.Second embodiment of speed per hour 250km/h motor train unit train network control system of the present invention is based on the first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention.
As shown in Figure 3, the second embodiment of speed per hour 250km/h motor train unit train network control system of the present invention also comprise corresponding with traction unit from CCU and with traction unit corresponding from TCN gateway;
Corresponding with the first traction unit is connected to from Duan Che MVB branch 35 from CCU, the end car of slave end car MVB branch 35 and the first traction unit from MVB equipment connection;
Describedly to be connected from TCN gateway with WTB from Duan Che MVB branch 35 by corresponding with the first traction unit; Should be corresponding with the first traction unit be somebody's turn to do comprise input/output module from CCU;
Corresponding with the second traction unit is connected to from Duan Che MVB branch 45 from CCU, the end car of slave end car MVB branch 45 and the second traction unit from MVB equipment connection;
Describedly to be connected from TCN gateway with WTB from Duan Che MVB branch 45 by corresponding with the first traction unit; Input/output module should be comprised from CCU;
Comprising from MVB equipment (being namely connected to the MVB equipment from Duan Che MVB branch 35) in the end car of the first traction unit: from MMI, SKS4-6, SKS7, SKS8, SKS9, SKSA/B, HVAC, TCU, BCU, remote-control device and MVB socket;
Comprising from MVB equipment (being namely connected to the MVB equipment from Duan Che MVB branch 45) in the end car of the second traction unit: from MMI, SKS4-6, SKS7, SKS8, SKS9, SKSA/B, HVAC, TCU, BCU, remote-control device and MVB socket;
Main MMI and connect (not shown) by ethernet line between MMI.
In this second embodiment, each traction unit have redundancy each other main CCU and from CCU, if main CCU fault, take over job from CCU, on speed per hour 250km/h motor train unit train network control system without impact;
And also should have input/output module from CCU, input/output signal can directly access this from CCU by this input/output module, propagation delay time is minimum, this input/output module from CCU can be accessed for the signal of interest affecting train safe, should can make this signal of interest from CCU and respond faster and process, do not need transfer gateway, contribute to the reliability improving speed per hour 250km/h motor train unit train network control system.
Fig. 4 is the constructional drawing of the 3rd embodiment of speed per hour 250km/h motor train unit train network control system of the present invention.3rd embodiment of speed per hour 250km/h motor train unit train network control system of the present invention is based on the first embodiment of speed per hour 250km/h motor train unit train network control system of the present invention or the second embodiment.
In the 3rd embodiment of speed per hour 250km/h motor train unit train network control system of the present invention,
Two WTB by mutual redundancy between the main TCN gateway of each traction unit connect;
The MVB equipment of the vehicle in one traction unit is connected by two MVB of mutual redundancy.
As shown in Figure 4, the main MVB equipment in the end car of the first traction unit is connected to main side car MVB branch 311 and the main side car MVB branch 312 of mutual redundancy;
The main side car MVB branch 351 and the main side car MVB branch 352 that are connected to mutual redundancy from MVB equipment in the end car of the first traction unit;
MVB equipment in the trailer of the band pantograph of the first traction unit is connected to MVB branch 321 and the MVB branch 322 of mutual redundancy;
MVB equipment in the motor-car of the first traction unit is connected to MVB branch 331 and the MVB branch 332 of mutual redundancy;
MVB equipment in the trailer of the first traction unit is connected to MVB branch 341 and the MVB branch 342 of mutual redundancy;
Main MVB equipment in the end car of the second traction unit is connected to main side car MVB branch 411 and the main side car branch 412 of mutual redundancy;
In the end car of the second traction unit from MVB equipment be connected to mutual redundancy from Duan Che MVB branch 451 with from Duan Che branch 452;
MVB equipment in the trailer of the band pantograph of the second traction unit is connected to MVB branch 421 and the MVB branch 422 of mutual redundancy;
MVB equipment in the motor-car of the second traction unit is connected to MVB branch 431 and the MVB branch 432 of mutual redundancy;
MVB equipment in the trailer of the second traction unit is connected to MVB branch 441 and the MVB branch 442 of mutual redundancy;
In the 3rd embodiment, WTB Physical layer adopts the redundancy structure that two twisted-pair feeders (A line and B line) are connected, a line is for being defined as trust line, and another line is defined as pilot wire.Break down if trust line (being assumed to A line), the redundancy control unit on TCN gateway will switch B line for trust line, CCU by the data of employing B line, on speed per hour 250km/h motor train unit train network control system without impact;
The MVB equipment of the vehicle in one traction unit is connected by two MVB of mutual redundancy, even if a wherein MVB et out of order, speed per hour 250km/h motor train unit train network control system communication can normally carry out.
It should be noted that, in the embodiment of speed per hour 250km/h motor train unit train network control system of the present invention, the MVB equipment being connected to MVB is not limited to above listed each MVB equipment, can according to circumstances change MVB equipment when practical operation.
Speed per hour 250km/h motor train unit train network control system of the present invention can be applied to 250km/h(thousand ms/h) motor train unit, but it should be noted that, speed per hour 250km/h motor train unit train network control system of the present invention not only can be applied to above-mentioned train groups, everyly can adopt all applicable speed per hour 250km/h motor train unit train network control system of the present invention of the train groups of WTB+MVB secondary bus.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (5)
1. a speed per hour 250km/h motor train unit train network control system, comprises the MVB equipment of wired train bus WTB, double-unit traction controller, the main Central Processing Unit (CPU) CCU corresponding with traction unit, main TCN TCN gateway, repeater and the vehicle corresponding with traction unit; Connected by WTB between the main TCN gateway of each traction unit, the MVB equipment of the vehicle in a traction unit is connected by MVB, it is characterized in that,
Described MVB comprises MVB main chain and Duo Tiao MVB branch;
The MVB equipment of each vehicle is connected to each described MVB branch;
Main CCU is connected with main side car MVB branch, this main side car MVB branch and the main MVB equipment connection holding car; This main CCU comprises input/output module;
Described main TCN gateway is also connected to described main side car MVB branch;
Described Duo Tiao MVB branch is connected with described MVB main chain respectively by repeater.
2. speed per hour 250km/h motor train unit train network control system according to claim 1, is characterized in that, two WTB by mutual redundancy between the main TCN gateway of each traction unit connect.
3. speed per hour 250km/h motor train unit train network control system according to claim 2, is characterized in that, the MVB equipment of the vehicle in a traction unit is connected by two MVB of mutual redundancy.
4. the speed per hour 250km/h motor train unit train network control system according to claim arbitrary in claims 1 to 3, is characterized in that, also comprise corresponding with traction unit from CCU and with traction unit corresponding from TCN gateway;
Should be connected from CCU with from Duan Che MVB branch, slave end car MVB branch and hold car from MVB equipment connection;
Described be connected to from TCN gateway described from Duan Che MVB branch and WTB.
5. speed per hour 250km/h motor train unit train network control system according to claim 4, is characterized in that, describedly comprises input/output module from CCU.
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