CN216248791U - High-redundancy network control system based on LCU - Google Patents
High-redundancy network control system based on LCU Download PDFInfo
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- CN216248791U CN216248791U CN202122519024.6U CN202122519024U CN216248791U CN 216248791 U CN216248791 U CN 216248791U CN 202122519024 U CN202122519024 U CN 202122519024U CN 216248791 U CN216248791 U CN 216248791U
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Abstract
The present disclosure provides a high redundancy network control system based on an LCU, comprising: the system comprises a communication device, a communication auxiliary device, a train network control system, a driver control train network control subsystem and a plurality of vehicle transporting network control subsystems; the system comprises a driver control vehicle network control subsystem, a vehicle transport network control subsystem and a vehicle transport network control subsystem, wherein the driver control vehicle network control subsystem comprises a central control unit and a first control module; the driver control vehicle network control subsystem and the vehicle transporting network control subsystem are in communication connection with the communication device; the driver control vehicle network control subsystem and the vehicle transporting network control subsystem are in communication connection with the communication auxiliary device; the train network control system is respectively in communication connection with the first control module and the third control unit. The system has the advantages of simplifying vehicle lines, realizing functions of logic control redundancy, communication redundancy, automatic fault diagnosis and the like, improving the intelligent level and safety of the system, effectively reducing vehicle faults and operation and maintenance cost, and improving operation and maintenance capacity.
Description
Technical Field
The utility model relates to the technical field of rail transit train logic control, in particular to a high-redundancy network control system based on an LCU (lower control unit).
Background
The existing logic control circuit of the subway vehicle is mainly realized by a contact circuit which is composed of a large number of intermediate relays, time relays, bistable relays, hard wires and the like distributed in each carriage, the relays are easy to age under high-temperature, humid and vibration environments, the phenomena of clamping stagnation, no attraction and the like are easy to occur after long-time frequent switching, and on the other hand, the problems of poor function customization, low integration level, difficult fault positioning, low intelligent degree, higher operation and maintenance cost and the like exist in a train hard wire logic circuit.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a high redundancy network control system based on an LCU, so as to solve or partially solve the above technical problems.
Based on the above object, the present invention provides a high redundancy network control system based on LCU, comprising:
the system comprises a communication device, a communication auxiliary device, a train network control system, a driver control train network control subsystem and a plurality of vehicle transporting network control subsystems;
the vehicle transportation network control subsystem comprises a central control unit and a first control module, and the vehicle transportation network control subsystem comprises a third control unit;
the driver control vehicle network control subsystem and the transport vehicle network control subsystem are in communication connection with the communication device;
the driver control vehicle network subsystem and the vehicle transport network control subsystem are in communication connection with the communication auxiliary device;
the train network control system is respectively in communication connection with the first control module and the third control unit.
Further, the first control module includes a first control unit and a second control unit.
Further, the first control unit and the second control unit are respectively in communication connection with the central control unit through a two-way multifunctional vehicle bus.
Further, the first control unit, the second control unit and the third control unit are connected in pairs through a two-way multifunctional vehicle bus.
Further, the central control unit comprises an ethernet gateway module;
the first control unit, the second control unit and the third control unit carry out two-way Ethernet communication between each two control units through the Ethernet gateway module.
Furthermore, a power panel, a main control panel, a digital quantity input/output panel, a communication panel, a dry contact panel, an analog quantity input/output panel and a central processing unit are arranged in each of the first control unit, the second control unit and the third control unit, and the main control panel, the digital quantity input/output panel and the dry contact panel are connected with each other through communication buses;
wherein the communication bus comprises a backplane bus;
the power panel, the main control panel, the digital quantity input and output panel, the central processing unit and the backboard bus are all arranged in a redundant mode.
Furthermore, the communication signals input into the first control unit, the second control unit and the third control unit are divided into two paths by the digital quantity input and output board for transmission, and are respectively processed by the corresponding central processing units, and the processed two paths of communication signals are respectively sent to the corresponding main control boards.
Furthermore, the communication signals output by the first control unit, the second control unit and the third control unit are respectively processed by the corresponding central processing units, and the central processing units perform data interaction through serial lines.
Further, the first control unit, the second control unit and the third control unit are respectively connected with the central control unit in a communication way;
the first control unit, the second control unit and the third control unit are used for acquiring and controlling information of the vehicle-mounted operation control equipment through the analog quantity input and output plate and the digital quantity input and output plate which are arranged inside the vehicle-mounted operation control equipment;
the vehicle-mounted operation management and control equipment comprises a driver controller, a sensor, a vehicle-mounted instrument and a vehicle hard-line circuit.
Further, the central control unit is in communication connection with control equipment of each carriage of the train;
the control equipment comprises a traction transmission control unit, a brake control unit, an air conditioning system, a door control system, a passenger information system, a vehicle-mounted signal system and a vehicle-mounted display.
From the above, it can be seen that the high redundancy network control system based on the LCU provided by the present invention implements contactless control by the logic control unit, simplifies the hard-line circuit, the first control unit, the second control unit and the third control unit are respectively in communication connection with the communication auxiliary device to perform data interaction and forwarding, and implements functions of data online monitoring, program remote loading, data remote downloading, etc. of each device, thereby facilitating maintenance and repair of the train, meanwhile, each logic control unit has functions of self-diagnosis and fault reporting, etc., and two-way bus communication is employed between each logic control unit, each logic control unit and the central control unit, so that the communication is in a hot backup state, when a bus master fault or is interfered, automatic seamless switching can be implemented, and safe operation of the train can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic network structure diagram of an LCU-based high-redundancy network control system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal circuit architecture of a logic control unit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a logic control unit and a central control unit according to an embodiment of the present invention.
Description of the drawings:
1. a communication device;
2. a communication assistance device;
3. a train network control system;
4. a driver control vehicle network control subsystem; 4-1, a central control unit; 4-1-1, Ethernet gateway module; 4-2, a first control module; 4-2-1, a first control unit; 4-2-2, a second control unit;
5. a transport vehicle network control subsystem; 5-1, a third control unit;
6. a power panel; 6-1, a first power panel; 6-2, a second power panel;
7. a main control board; 7-1, a first main control board; 7-2, a second main control board;
8. a digital quantity input/output board;
9. a communication board;
10. a dry contact plate;
11. a communication bus; 11-1, a backplane bus;
12. vehicle-mounted operation management and control equipment; 12-1, a driver controller; 12-2, sensor 12-2; 12-3, vehicle-mounted instruments; 12-4, vehicle hard-wired circuit.
13. A control device; 13-1, a traction transmission control unit; 13-2, a brake control unit; 13-3, an air conditioning system; 13-4, a door control system; 13-5, passenger information system; 13-6, vehicle-mounted signal system; 13-7, a vehicle-mounted display;
14. and a vehicle-mounted storage battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, the LCU-based network control system with high redundancy according to this embodiment includes:
the system comprises a communication device 1, a communication auxiliary device 2, a train network control system 3, a driver-controlled train network control subsystem 4 and a plurality of vehicle transporting network control subsystems 5;
the driver and control vehicle network control subsystem 4 comprises a central control unit 4-1 and a first control module 4-2, and the vehicle transporting network control subsystem 5 comprises a third control unit 5-1;
the driver control vehicle network control subsystem 4 and the transport vehicle network control subsystem 5 are in communication connection with the communication device 1;
the driver control vehicle network subsystem 4 and the vehicle transport network subsystem 5 are both in communication connection with the communication auxiliary device 2;
the train network control system 5 is in communication connection with the first control module 4-2 and the third control unit 5-1, respectively.
In the above scheme, the third Control unit 5-1 is an lcu (local Control unit), the first Control module 4-2 and the third Control unit 5-1 realize contactless Control, simplify a hard-line circuit, reduce the complexity of the system, and improve the reliability of the system, and meanwhile, the first Control module 4-2 and the third logic Control module 5-1 are in communication connection with the communication auxiliary device 2 to perform data interaction and forwarding, perform functions of data online monitoring, program remote loading, data remote downloading and the like of each device, facilitate overhaul and maintenance work of the train, improve intelligent fault diagnosis capability, perform self-sensing and self-diagnosis, and realize real-time protection and accurate positioning of faults, one of which is used as a bus master and the other is used as a standby master to enable the train to be in a hot standby state, when the bus master fails or is interfered, the bus master can realize automatic seamless switching, and the safe operation of the train is guaranteed.
In a particular embodiment, the first control module 4-2 includes a first control unit 4-2-1 and a second control unit 4-2-2.
In the above scheme, the first Control unit 4-2-1 and the second Control unit 4-2-2 are lcus (local Control units), which perform logic Control processing on a large circuit inside a vehicle compartment of a driver-controlled vehicle, and further ensure normal operation of logic Control.
In a specific embodiment, the first control unit 4-2-1 and the second control unit 4-2-2 are communicatively connected to the central control unit 4-1 via a two-way utility vehicle bus, respectively.
In the scheme, the two ways of multifunctional vehicle buses are connected, when the bus master fails, automatic seamless switching is performed to the standby master, communication hot standby redundancy between the central control unit 4-1 and the second control unit 4-2-2 is realized, and safe operation of the train is further guaranteed.
In a specific embodiment, the first control unit 4-2-1, the second control unit 4-2-2 and the third control unit 5-1 are connected in pairs by a two-way utility vehicle bus.
In the scheme, the logic control units of all the trains are connected in pairs through the multifunctional vehicle bus, so that communication redundancy among the logic control units is achieved, normal operation of logic control is guaranteed, and train operation is further guaranteed.
In a specific embodiment, the central control unit 4-1 comprises an ethernet gateway module 4-1-1;
the first control unit 4-2-1, the second control unit 4-2-2 and the third control unit 5-1 perform two-way Ethernet communication through the Ethernet gateway module 4-1-1.
In the scheme, the two-way Ethernet communication among all logic control units is realized through the Ethernet gateway module 4-1-1, when the bus communication of a multifunctional vehicle of a certain logic control unit is abnormal, the communication can still be carried out through the Ethernet, and the execution of the logic control of the vehicle cannot be influenced.
In a specific embodiment, as shown in fig. 2, a power panel 6, a main control panel 7, a digital input/output panel 8, a communication panel 9, a dry contact panel 10, an analog input/output panel and a central processing unit are arranged inside the first control unit 4-2-1, the second control unit 4-2-2 and the third control unit 5-1, and the main control panel 7, the digital input/output panel 8 and the dry contact panel 10 are connected through a communication bus 11;
the communication bus comprises a backboard bus 11-1;
the power panel 6, the main control panel 7, the digital quantity input and output panel 8, the central processing unit and the backboard bus 11-1 are all arranged in a redundant manner.
In the scheme, the redundant software and hardware are arranged in each logic control unit, the hot backup working mode is realized, single-point faults cannot influence the operation of the system, the redundant quantity of hardware board cards can be flexibly configured, so that the software logic function can be changed, the change and upgrade costs of vehicles are reduced, and the maintenance cost is reduced.
In a specific embodiment, the communication signals input to the first control unit 4-2-1, the second control unit 4-2-2, and the third control unit 5-1 are divided into two paths by the digital input/output board 8 for transmission, and are respectively processed by the corresponding central processing units, and the two processed paths of communication signals are respectively sent to the corresponding main control boards 7.
In the above scheme, the input data of the communication connection device is received, the input data is divided into two lines for transmission after passing through the digital input/output board 8, the two lines are processed by the two central processing units respectively and are sent to the main control board 7 with redundancy, and when the input data transmission of a certain line inside fails, the other line still can keep the normal transmission process of the input data, so that the normal operation inside the logic control unit is ensured.
In a specific embodiment, the communication signals output by the first control unit 4-2-1, the second control unit 4-2-2, and the third control unit 5-1 are respectively processed by the corresponding central processing units, and the central processing units perform data interaction through serial lines.
In the scheme, the data output of all the logic control units is processed by two independent serial interactive central processing units, the data output lines are output in parallel, and when one line fails to output data, the other data output line cannot be affected, so that the logic control units can still normally output the data.
In a specific embodiment, as shown in fig. 3, the first control unit 4-2-1, the second control unit 4-2-2, and the third control unit 5-1 are communicatively connected to the central control unit 4-1, respectively;
the first control unit 4-2-1, the second control unit 4-2-2 and the third control unit 5-1 acquire and control information of the vehicle-mounted operation control device 12 through the analog input/output board and the digital input/output board 8 which are arranged inside;
the vehicle-mounted operation management and control equipment comprises a driver controller 12-1, a sensor 12-2, a vehicle-mounted instrument 12-3 and a vehicle hard line circuit 12-4.
In the scheme, all the logic control units are in data communication with the central control unit 4-1 respectively, so that the logic control units and the central control unit 4-1 can perform data acquisition and operation control on the equipment in communication connection with the logic control units.
In a specific embodiment, the central control unit 4-1 is communicatively connected to the control devices 13 of the respective cars of the train;
the control device 13 comprises a traction transmission control unit 13-1, a brake control unit 13-2, an air conditioning system 13-3, a door control system 13-4, a passenger information system 13-5, a vehicle-mounted signal system 13-6 and a vehicle-mounted display 13-7.
In the scheme, the central control unit 4-1 and the control equipment 13 of each carriage of the train are communicated through a two-way multifunctional vehicle bus and a two-way Ethernet, so that the normal operation of each control equipment is guaranteed, and the normal operation of the train is further guaranteed.
In other embodiments, the LCU (local Control Unit) can be replaced by other intelligent programmable controllers or intelligent relays with communication functions.
In other embodiments, the central Control unit 4-1 and the LCU (local Control unit) may be merged into the same device.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the utility model, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.
The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. An LCU-based high redundancy network control system, comprising:
the system comprises a communication device, a communication auxiliary device, a train network control system, a driver control train network control subsystem and a plurality of vehicle transporting network control subsystems;
the vehicle transportation network control subsystem comprises a central control unit and a first control module, and the vehicle transportation network control subsystem comprises a third control unit;
the driver control vehicle network control subsystem and the transport vehicle network control subsystem are in communication connection with the communication device;
the driver control vehicle network control subsystem and the transport vehicle network control subsystem are in communication connection with the communication auxiliary device;
the train network control system is respectively in communication connection with the first control module and the third control unit.
2. The LCU-based high redundancy network control system of claim 1, wherein the first control module comprises a first control unit and a second control unit.
3. The LCU-based high redundancy network control system of claim 2, wherein the first control unit and the second control unit are each communicatively coupled to the central control unit via a two-way utility vehicle bus.
4. The LCU-based high redundancy network control system of claim 2, wherein the first control unit, the second control unit and the third control unit are each connected in pairs by a two-way utility vehicle bus.
5. The LCU-based high redundancy network control system of claim 2, wherein the central control unit comprises an Ethernet gateway module;
the first control unit, the second control unit and the third control unit carry out two-way Ethernet communication between each two control units through the Ethernet gateway module.
6. The LCU-based high redundancy network control system according to claim 2, wherein a power panel, a main control panel, a digital input/output panel, a communication panel, a dry contact panel, an analog input/output panel and a central processing unit are disposed inside the first control unit, the second control unit and the third control unit, and the main control panel, the digital input/output panel and the dry contact panel are connected with each other through a communication bus;
wherein the communication bus comprises a backplane bus;
the power panel, the main control panel, the digital quantity input and output panel, the central processing unit and the backboard bus are all arranged in a redundant mode.
7. The LCU-based network control system with high redundancy, according to claim 6, wherein the communication signals inputted to the first control unit, the second control unit and the third control unit are divided into two paths via the digital input/output board for transmission, and are respectively processed by the corresponding central processing units, and the two processed communication signals are respectively sent to the corresponding main control boards.
8. The LCU-based high redundancy network control system of claim 6, wherein the output communication signals of the first control unit, the second control unit and the third control unit are processed by the corresponding central processing units respectively, and the central processing units perform data interaction through serial lines.
9. The LCU-based high redundancy network control system of claim 6, wherein the first control unit, the second control unit, the third control unit are each communicatively connected to the central control unit;
the analog quantity input and output board and the digital quantity input and output board are used for acquiring and controlling information of the vehicle-mounted operation control equipment;
the vehicle-mounted operation management and control equipment comprises a driver controller, a sensor, a vehicle-mounted instrument and a vehicle hard-line circuit.
10. The LCU-based high redundancy network control system of claim 1, wherein the central control unit is communicatively connected to the control devices of each car of the train;
the control equipment comprises a traction transmission control unit, a brake control unit, an air conditioning system, a door control system, a passenger information system, a vehicle-mounted signal system and a vehicle-mounted display.
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| CN202122519024.6U CN216248791U (en) | 2021-10-19 | 2021-10-19 | High-redundancy network control system based on LCU |
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| CN202122519024.6U CN216248791U (en) | 2021-10-19 | 2021-10-19 | High-redundancy network control system based on LCU |
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Inventor after: Deng Liming Inventor after: Zhou Genhua Inventor after: Deng Changhai Inventor after: Fang Peng Inventor after: Ju Chaoyue Inventor after: Xiao Xiao Inventor before: Deng Liming Inventor before: Zhou Genhua Inventor before: Zhou Changhai Inventor before: Fang Peng Inventor before: Ju Chaoyue Inventor before: Xiao Xiao |