CN110901700A - Straddle type monorail vehicle train network control system - Google Patents
Straddle type monorail vehicle train network control system Download PDFInfo
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- CN110901700A CN110901700A CN201911213006.6A CN201911213006A CN110901700A CN 110901700 A CN110901700 A CN 110901700A CN 201911213006 A CN201911213006 A CN 201911213006A CN 110901700 A CN110901700 A CN 110901700A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
- B61L15/0018—Communication with or on the vehicle or vehicle train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
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Abstract
The invention relates to a straddle type monorail vehicle train network control system, which comprises a train control level, a vehicle control level and a subsystem control level; the train control level, the vehicle control level and the subsystem control level are all connected by adopting an Ethernet bus, and integrated transmission of a train control network and a PIS service network is provided. Its advantages are: the train network control system of the invention participates in control through the train control level, the vehicle control level and the subsystem control level without adding a large number of train lines and sensors or interface circuits, the train control level, the vehicle control level and the subsystem control level are all connected by adopting an Ethernet bus, and integrated transmission of the train control network and the PIS service network is provided, and the train network in the form participates in vehicle control, so that the system is stable and reliable.
Description
Technical Field
The invention relates to the technical field of train control, in particular to a straddle type monorail vehicle train network control system.
Background
A Train network Control System (TCMS) is applied to trains such as locomotives, subways, light rails, motor Train units And the like, belongs to a core subsystem of the trains, And is a basic platform for coordinating the cooperative work of various vehicle-mounted devices. In recent years, the technology of straddle-type monorail vehicles is gradually advancing to intellectualization, light weight, energy conservation and environmental protection, and the development of a train network control system to high performance and high level is required to ensure that the goals of intellectualization, networking and informatization of a straddle-type monorail are realized. The train network control system adopting the Ethernet bus has fast data transmission and can meet the requirements of the unmanned straddle type monorail train.
The existing train network control system of the monorail vehicle adopts a plurality of protocol conversion modules in a train bus and a vehicle bus, for example, the train bus comprises: ARCNET, CANopen, MVB, vehicle bus has: CANopen, MVB, 20mA current loop, 30mA current loop, RS485 and the like. The types of protocols are many, so different protocol conversion modules need to be added to ensure normal communication between different protocols. Although the protocols are applied more mature in the train network, the conversion between different protocols has the problems of reduced real-time performance, slow communication speed, more fault points and the like. Meanwhile, the existing network system of the Chongqing monorail train is only responsible for monitoring and diagnosis and does not participate in vehicle control. Thus, a large number of train lines and sensors or interface circuits are added. The unmanned straddle monorail train requires a train network of vehicles to participate in vehicle control, and the system is stable and reliable.
Chinese patent document cn200820110037.x, application date 20080814, patent names: a train network control system comprising: the utility model provides a train bus system of drawing of wire formula WTB network system and multi-function vehicle bus MVB network system, MVB network system includes end car, transformer car, middle converter car, lunch car and one waits the car, wherein connect through MVB network system's gateway between WTB network system and the MVB network system, connect through MVB bus between end car, transformer car, middle converter car, lunch car and one wait the car, the end car is equipped with the on-vehicle central control computer that is used for centralized control train network control system.
The train network control system disclosed in the above patent document provides a train network control system that centrally and uniformly controls each subsystem of a train, reduces the cost of the whole train control system, and improves the control efficiency thereof. However, no corresponding disclosure is found about a technical scheme that a train network participates in vehicle control and the system is stable and reliable.
In view of the foregoing, there is a need for a train network control system for rail vehicles that participates in vehicle control and is reliable and stable. However, no report is found about such a train network control system.
Disclosure of Invention
The invention aims to provide a rail vehicle train network control system which participates in vehicle control by a train network and is stable and reliable.
In order to achieve the purpose, the invention adopts the technical scheme that:
a straddle type monorail vehicle train network control system comprises a train control level, a vehicle control level and a subsystem control level; the train control level, the vehicle control level and the subsystem control level are all connected by adopting an Ethernet bus, and integrated transmission of a train control network and a PIS service network is provided.
As a preferred technical solution, the whole train of the train network control system adopts a link aggregation mode to make the switch unit supporting the bypass function into a linear network; terminal equipment in each compartment is linked to an ETB switch, and the switches between the compartments are linked through bypass ports to form a redundant network supporting the bypass function.
As a preferred technical solution, the subsystem control level and the vehicle control level are connected by a vehicle-level ethernet cable; the train control level comprises a train Mc1 and a train Mc 2; the train Mc1 and the train Mc2 both comprise vehicles ES, and the connection between the vehicles ES is established through a train-level Ethernet line.
As a preferred technical scheme, the train control level network comprises a TCMS device, a TCMS onboard subsystem, and a PIS ethernet device; the TCMS equipment, the TCMS vehicle-mounted subsystem and the PIS Ethernet equipment are connected with the vehicle ES through vehicle-level Ethernet lines.
As a preferable technical scheme, the train control-level network adopts 2 hundred mega ethernet lines, three layers of ETB switches with routing function and NAT function are adopted in the train Mc1 and the train Mc2, and the network is reconfigured after the reconnection and the decompiling of the trains are realized, and the middle train adopts a two-layer ETB switch.
As a preferred technical scheme, the vehicle control level network also adopts an ethernet twisted pair, and communication with the train central control unit can be performed through an ETB switch; when the number of Ethernet devices in the vehicle central control unit is large, an ECN switch can be added in the vehicle-level network to realize the communication of the devices.
7. The vehicle train network control system of claim 1, wherein the vehicle control level network is a star network or a ring network.
As a preferred technical scheme, the TCMS device comprises a central control unit CCU, a driver display screen HMI, and a remote input/output module RIOM; the CCU is responsible for controlling all-train vehicles, monitoring and diagnosing vehicle equipment and exchanging vehicle data information of each CCU; the system is responsible for displaying the equipment state and guiding the driver to operate; the RIOM is connected with a vehicle bus through an Ethernet interface to realize the acquisition and control of main control signals of the 110V/24V control circuit; the driver display screen HMI is provided with two driver display screens in each train, and the two driver display screens HMI are designed in a redundant way.
As a preferable technical scheme, two remote input and output modules RIOM1 and RIOM2 are respectively arranged on the train Mc1 and the train Mc2, and redundant design is adopted for key operation data and control information of the train.
As a preferred solution, the train Mc1 and the train Mc2 are each configured with a data recording unit DRU having identical hardware, and both DRUs are of redundant design.
The invention has the advantages that:
1. the train network control system of the invention participates in control through the train control level, the vehicle control level and the subsystem control level without adding a large number of train lines and sensors or interface circuits, the train control level, the vehicle control level and the subsystem control level are all connected by adopting an Ethernet bus, and integrated transmission of the train control network and the PIS service network is provided, and the train network in the form participates in vehicle control, so that the system is stable and reliable.
2. The whole train adopts a link aggregation mode, and the switch unit supporting the bypass function is a linear network. Terminal equipment in the carriage is linked to the ETB switch, and the switches between the carriages are linked through a bypass port to form a redundant network supporting a bypass function, so that the interruption of the whole vehicle communication caused by single-point faults is avoided.
3. The Mc1 vehicle and the Mc2 vehicle are respectively provided with two remote input and output modules RIOM1 and RIOM2, and the redundant design is adopted for the key operation data and control information of the train so as to ensure the operation safety of the train. If one remote input/output module fails, the other redundant remote input/output module collects signals and transmits the signals to a Central Control Unit (CCU), and the CCU performs logic operation to control the vehicle without influencing the normal operation of the train.
4. The train Mc1 and the train Mc2 are respectively provided with a data recording unit DRU with identical hardware, and the two data recording units DRU adopt a redundant design and have the same function. The two data recording units DRU simultaneously receive the operation data and the fault information transmitted by each subsystem through the Ethernet bus, and perform classified storage. Under normal conditions, the two data recording units DRU work simultaneously to record important data received and transmitted by the main network, and maintenance personnel can download fault data from any one data recording unit DRU.
Drawings
FIG. 1 is a model block diagram of a straddle type monorail vehicle train network control system of the invention.
Fig. 2 is a control topology diagram of the train network control system of the present invention.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. train control level 2 vehicle control level
3. Subsystem control level 4 train Mc1
5. Vehicle ES of train Mc 26
7. Central control unit CCU 8, cab human machine interface HMI
9. Remote input/output module RIOM 10. train data recording unit DRU
11. Traction control unit VVVF 12 signal control unit ATC12
13. Door control unit EDCU 14 auxiliary control unit SLV14
15. Tire pressure monitoring control unit TPMS1516 air conditioner control unit HVAC
17. Driver controller MC1718 panoramic IP camera
19. Forward looking IP camera FCAM 20. cab broadcast host CBH20
21. PBH2122. IP camera CAM22 of passenger room broadcasting extension
23. Dynamic map LCD 24. brake control unit BCU
Referring to fig. 1, fig. 1 is a model block diagram of a straddle type monorail vehicle train network control system of the invention. A straddle type monorail vehicle train network control system is characterized by comprising a train control level 1, a vehicle control level 2 and a subsystem control level 3; the train control level 1, the vehicle control level 2 and the subsystem control level 3 are all connected by adopting an Ethernet bus and provide integrated transmission of a train control network and a PIS service network. The vehicle control level 2 network may be a star network or a ring network.
Referring to fig. 2, fig. 2 is a control topology schematic diagram of the train network control system of the present invention.
The subsystem control level 3 is connected with the vehicle level through a vehicle level Ethernet line; the train control level 1 comprises a train Mc 14 and a train Mc 25; the train Mc1 and the train Mc 25 both comprise vehicles ES6, and the vehicles ES6 are connected through a train-level Ethernet line.
The network of the train control level 1 adopts 2 hundred mega Ethernet lines, three layers of ETB switches with routing function and NAT function are adopted in the train Mc1 and the train Mc 25, the three layers of ETB switches are responsible for reconfiguring the network after the reconnection and the decompiling of the trains, and the middle train adopts a two-layer ETB switch.
The vehicle control level 2 network also adopts an Ethernet twisted pair, and the communication with the central control unit of the train can be carried out through an ETB switch; when the number of Ethernet devices in the central control unit of the train is large, an ECN switch can be added in the vehicle-level network to realize the communication of the devices.
The network of the train control level 1 comprises TCMS equipment, a TCMS vehicle-mounted subsystem and PIS Ethernet equipment; the TCMS equipment, the TCMS vehicle-mounted subsystem and the PIS Ethernet equipment are connected with a vehicle ES6 through a vehicle-level Ethernet line.
The TCMS equipment comprises a Central Control Unit CCU7(Central Control Unit), a cab Human-Machine Interface HMI 8(Human Machine Interface), a traction Control Unit VVF11, a remote Input/Output Module RIOM9 (empty Input Output Module) and a train data recording Unit DRU10, wherein the two train Central Control units CCU7 are respectively positioned in two trains Mc 14 and Mc 25 and are responsible for controlling all-train vehicles, monitoring and diagnosing vehicle equipment and exchanging vehicle data information of the two units (GATEWAY function); the two cab human-machine interfaces HMI8 are respectively positioned in the two trains Mc 14 and Mc 25 and are responsible for displaying equipment states and guiding driver operation; each vehicle is internally provided with a remote input and output module RIOM9 which is connected with a vehicle bus through an Ethernet interface to realize the acquisition and control of main control signals of a 110V/24V control circuit; in order to ensure the reliability of acquiring the operating instructions of a driver, the cab is provided with two redundant remote input and output modules RIOM9 of a cab terminal, and the cab is responsible for performing redundant acquisition and output on important signals such as command signals of a driver controller, direction handle signals and the like; two redundant cab man-machine interfaces HMI8 are arranged in the whole row, and when one cab man-machine interface HMI8 fails, the other cab man-machine interface HMI8 can completely replace the other cab man-machine interface HMI8I to work; the train Mc 14 and the train Mc 25 are respectively provided with two remote input and output modules RIOM1 and RIOM2, and the redundant design is adopted for the key operation data and control information of the train so as to ensure the operation safety of the train. If one remote input and output module RIOM9 has a fault, the other redundant remote input and output module RIOM9 collects signals and transmits the signals to the central control unit CCU7, and the central control unit CCU7 carries out logic operation to control the vehicle without influencing the normal operation of the train; the train Mc1 and the train Mc 25 are respectively provided with a train data recording unit DRU10 with identical hardware, and the two train data recording units DRU adopt a redundant design and have the same function. The two train data recording units DRU10 simultaneously receive the operation data and the fault information transmitted by each subsystem through the ethernet bus, and perform classified storage. Under normal conditions, two train data recording units DRU10 work simultaneously to record important data transmitted and received by the main network, and maintenance personnel can download fault data from any one train data recording unit DRU 10.
The TCMS vehicle-mounted equipment is mainly responsible for train control, monitoring and fault diagnosis. The functions of train control, monitoring and fault diagnosis are mainly responsible. The system specifically comprises a traction Control Unit VVVF11, a Brake Control Unit BCU24(Brake Control Unit), a signal Control Unit ATC12(Automatic Train Control), a door Control Unit EDCU13, an auxiliary Control Unit SLV14, a tire pressure monitoring Control Unit TPMS15, an air conditioning Control Unit HVAC16 and a driver controller MC17, wherein the traction Control Unit VVVF11 is used for controlling a related voltage monitoring and protecting device; the signal control unit ATC12 is used for controlling the train by forwarding or judging through the train network control system, and the input and output data of the signal control unit ATC12 are all the running states of the train; the door control unit EDCU13 is used to control the vehicle door.
The PIS Ethernet equipment comprises a panoramic IP camera 18, a forward-looking IP camera FCAM19, a cab broadcasting host CBH20, a passenger room broadcasting extension PBH21, an IP camera CAM22 and a dynamic map LCD. Thus, the functions of train broadcasting, passenger information display, advertisement media playing, train monitoring and the like are integrated.
It should be noted that:
the cab controller MC17 is respectively connected with the BCU, the signal control unit ATC12 and the traction control unit VVVF11 through hard wires, and each cab controller MC17 is also connected through hard wires, so that the calculation processing burden of the whole train network control system is reduced.
The whole train of the train network control system adopts a link aggregation mode to form a switch unit supporting the bypass function into a linear network; terminal equipment in each compartment is linked to an ETB switch, and the switches between the compartments are linked through bypass ports to form a redundant network supporting the bypass function. The interruption of the communication of the whole vehicle caused by single-point faults is avoided.
According to the train network control system, the train control level 1, the vehicle control level 2 and the subsystem control level 3 participate in control, a large number of train lines and sensors or interface circuits are not required to be added, the train control level 1, the vehicle control level 2 and the subsystem control level 3 are all connected through the Ethernet bus, integrated transmission of a train control network and a PIS service network is provided, and the train network in the form participates in vehicle control, so that the system is stable and reliable.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A straddle type monorail vehicle train network control system is characterized in that the vehicle train network control system comprises a train control level, a vehicle control level and a subsystem control level; the train control level, the vehicle control level and the subsystem control level are all connected by adopting an Ethernet bus, and integrated transmission of a train control network and a PIS service network is provided.
2. The train network control system of claim 1, wherein the whole train of the train network control system is configured to form a linear network by using switches supporting the bypass function in a link aggregation manner; terminal equipment in each compartment is linked to an ETB switch, and the switches between the compartments are linked through bypass ports to form a redundant network supporting the bypass function.
3. The vehicle train network control system of claim 1, wherein the subsystem control stage and the vehicle control stage are connected by a vehicle-level ethernet cable; the train control level comprises a train Mc1 and a train Mc 2; the train Mc1 and the train Mc2 both comprise vehicles ES, and the connection between the vehicles ES is established through a train-level Ethernet line.
4. The network control system according to claim 2, wherein said train control level network comprises TCMS device, TCMS on-board subsystem, PIS ethernet device; the TCMS equipment, the TCMS vehicle-mounted subsystem and the PIS Ethernet equipment are connected with the vehicle ES through vehicle-level Ethernet lines.
5. The network control system for train vehicles according to claim 3, wherein the network of train control level uses 2 hundred mega Ethernet lines, three layers of ETB switches with routing function and NAT function are used in the train Mc1 and the train Mc2 to implement the reconfiguration of network after the train reconnection and the decompilation, and the middle train uses two layers of ETB switches.
6. The vehicle train network control system of claim 1, wherein the vehicle control level network also uses an ethernet twisted pair to communicate with the train central control unit via the ETB switch; when the number of Ethernet devices in the vehicle central control unit is large, an ECN switch can be added in the vehicle control level network to realize the communication of the devices.
7. The vehicle train network control system of claim 1, wherein the vehicle control level network is a star network or a ring network.
8. The network control system of claim 3, wherein said TCMS device comprises a Central Control Unit (CCU), a driver display screen (HMI), a Remote Input Output Module (RIOM); the CCU is responsible for controlling all-train vehicles, monitoring and diagnosing vehicle equipment and exchanging vehicle data information of each CCU; the system is responsible for displaying the equipment state and guiding the driver to operate; the remote input and output module RIOM is connected with a vehicle bus through an Ethernet interface to realize the acquisition and control of main control signals of the 110V/24V control circuit; the driver display screen HMI is provided with two driver display screens in each train, and the two driver display screens HMI are designed in a redundant way.
9. The network control system of claim 2, wherein said train Mc1 and said train Mc2 are each configured with two remote input output modules RIOM1 and RIOM2, which are redundant in design for critical operating data and control information of the train.
10. The network control system according to claim 2, wherein each of the train Mc1 and the train Mc2 is provided with a data recording unit DRU having identical hardware, and the two data recording units DRU are of redundant design.
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| CN201911213006.6A CN110901700A (en) | 2019-12-02 | 2019-12-02 | Straddle type monorail vehicle train network control system |
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| CN112141165A (en) * | 2020-09-22 | 2020-12-29 | 中车长春轨道客车股份有限公司 | EMUs train communication network topology structure based on ethernet |
| WO2021243900A1 (en) * | 2020-06-04 | 2021-12-09 | 株洲中车时代电气股份有限公司 | Information security protection method and apparatus |
| CN113839988A (en) * | 2021-08-24 | 2021-12-24 | 成都市新筑路桥机械股份有限公司 | Train multi-network convergence network control system and control method |
| CN113867211A (en) * | 2021-09-29 | 2021-12-31 | 株洲时代电子技术有限公司 | Network control method for large road maintenance machinery |
| CN114475673A (en) * | 2022-01-27 | 2022-05-13 | 中车青岛四方车辆研究所有限公司 | Train electronic and electric framework and rail train |
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Application publication date: 20200324 |