CN209343143U - A kind of train logic control device of maltilevel security redundancy - Google Patents
A kind of train logic control device of maltilevel security redundancy Download PDFInfo
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- CN209343143U CN209343143U CN201920399294.8U CN201920399294U CN209343143U CN 209343143 U CN209343143 U CN 209343143U CN 201920399294 U CN201920399294 U CN 201920399294U CN 209343143 U CN209343143 U CN 209343143U
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Abstract
The utility model provides a kind of train logic control device of maltilevel security redundancy in rail transit train logic control field, including main control module, execution module and supplementary module: main control module includes isomorphism type redundancy dual microcontroller, realizes function treatment and control that train respectively loads；Include inside execution module according to isomorphism type backup and chiasma type Redundancy Design at I O process and acquisition control double copies component；Supplementary module realizes that auxiliary power supply, PERCOM peripheral communication, the test O&M of logic control system support function；Wherein power pack is the design of isomorphism type hot backup.When the train logic control device of the maltilevel security redundancy of the utility model can guarantee that main control module, supplementary module or execution module inside particular device or functional unit break down, the normal operation of device.
Description
Technical field
The utility model belongs to a kind of field of track traffic train logic control device, is specifically related to a kind of multiple peace
The train logic control device of full redundancy.
Background technique
Train LCU (logic control element) is to pass through isolation based on electronic information technology and modern computer control technology
Device, power semiconductor component replace the control coils windings such as relay, electromagnetic contactor, execute control command and realize dynamic
Make, realizes various logic interlock connection between interior electrical equipment using computer software, reach vehicle-mounted control and driving equipment
Purpose.
Although substituting relay using LCU, there is contact point mode with non-contact way substitution, can replace and realize quilt completely
Replace the function of circuit, but the order of magnitude of the following electronic device increases, so that the security performance of whole system declines.
It is whole to be just unable to operate normally when particular device or functional unit break down.
In order to guarantee the reliable and secure operation of device entirety, safety and can is executed in order to further reach to effectively improve
By property, it is necessary to carry out Safety Redundancy design to logic control element.
Utility model content
The purpose of this utility model is to provide a kind of train logic control of maltilevel security redundancy dresses, to solve logic control
When unit particular device or functional unit processed break down, the whole prior art problem being just unable to operate normally.
The utility model provides a kind of train logic control device of maltilevel security redundancy, including main control module, execution
Module and supplementary module:
Main control module, including the first main control unit and the second main control unit, the first main control unit and execution module and auxiliary
Module is helped to connect, the second main control unit is connect with execution module and supplementary module, and main control module is for receiving external input letter
Number, to input signal carry out processing and to execution module send control signal；
Execution module is connect with the load in main control module and train, and execution module is for receiving main control module transmission
Control signal and according to load output drive signal of the control signal into train；
Supplementary module, including the first power supply and second source, the first power supply and execution module, the first main control unit, second
Main control unit and external power supply connection, second source and execution module, the first main control unit, the second main control unit and outside
Power supply connection, supplementary module are used to power for main control module and execution module.
Preferably, execution module includes I/O interface and adopts control unit, and I/O interface includes the first I/O interface and the 2nd I/
O Interface, adopting control unit includes first adopting control unit and second and adopting control unit, and the first I/O interface and the first main control unit, second are led
Control unit, first adopt control unit and second and adopt control unit connection, the 2nd I/O interface and the first main control unit, the second main control unit,
First adopt control unit and second adopt control unit connection, first adopt control unit and second adopt control unit in train load connect
It connects.
Preferably, the load in train includes Train Control module, release of brake module, mode control module, air-conditioning control
Molding block, door control system module, pantograph control module and hitch control module.
Preferably, supplementary module further includes external interface, and main control module is carried out by external interface and external communications terminals
Communication.
The beneficial effects of the utility model include:
1, the utility model provides a kind of maltilevel security redundancy including main control module, execution module and supplementary module
Train logic control device, main control module inside use isomorphism type redundancy microprocessing unit, and supplementary module internal electric source is using same
The design of configuration redundancy backup, uses chiasma type Redundancy Design between main control module and execution module and supplementary module, guarantee master
In control module single microprocessing unit break down or supplementary module inside single power supply when sending failure, the normal fortune of device
Row.
2, it is used inside the execution module of the train logic control device for the maltilevel security redundancy that the utility model provides
Isomorphism type backup and chiasma type Redundancy Design guarantee internal particular device or functional unit at I O process and acquisition control double copies
When breaking down, whole normal operation.
3, the train logic control device of the maltilevel security redundancy of the utility model provides external communication interface, Neng Gouyu
Outside is communicated, and realizes the functions such as experiment O&M.
Detailed description of the invention
Attached drawing is the structural schematic diagram of the utility model.
Fig. 1 is that a kind of train logic control device based on maltilevel security redundancy of the preferred embodiment in the utility model is
System composition figure；
Fig. 2 is auxiliary unit power unit and main control unit and execution unit in the preferred embodiment in the utility model
Crossing redundancy connection figure；
Fig. 3 is two kinds of redundant distributions modes described in the preferred embodiment in the utility model；
Fig. 4 is that a kind of train logic control device based on maltilevel security redundancy of the preferred embodiment in the utility model is specific
Schematic diagram of a scenario.
1, supplementary module in the figure；2, main control module；3, execution module.
Specific embodiment
Embodiment 1:
As shown in Fig. 3 (a) and Fig. 3 (b), Fig. 3 (a) is isomorphism type Redundancy Design, and using is global function backup mode；Figure
It is 3(b) heterogeneous redundancy, using is core function backup mode.
As shown in Figure 1, the utility model provides a kind of train logic control device of maltilevel security redundancy, including master control
Module 2, execution module 3 and supplementary module 1:
Main control module 2, including the first main control unit and the second main control unit, the first main control unit and execution module 3 and
Supplementary module 1 connects, and the second main control unit is connect with execution module 3 and supplementary module 1, and main control module 2 is for receiving outside
Input signal carries out processing to input signal and sends control signal to execution module 3.
Main control module 2 is the core processing unit for realizing logic control, and isomorphism type hot backup is designed to two master controls
Plate.Built-in isomorphism type redundancy dual microcontroller again in each master control borad, i.e. the first main control unit and the second main control unit, are realized
The function treatment and control that train respectively loads.Microcontroller can select STM32F4 series monolithic, defeated by the outside of receiving
Enter the mode that signal exports low and high level to execution module 3 and issues control signal to execution module 3.External input signal includes department
The control signal of 110 volts of the direct currents such as machine controller, various keys, switch, contactor.When microcontroller any in dual microcontroller
When failure, its work is continued to execute with another microcontroller of its isomorphism type redundancy.
Execution module 3 is connect with the load in main control module 2 and train, and execution module 3 is for receiving main control module 2
Transmission controls signal and the load output drive signal according to control signal into train.
Execution pattern can also use STM32F4 series monolithic, drive train according to the mode of output low and high level
In respectively load, realize various functions.Respectively load generally has the circuit of contact in train, mainly includes Train Control, braking
Specific relay in the train functionalities modules such as alleviation, scheme control, airconditioning control, door control system, pantograph control, hitch control
Device.Decide whether trigger relay according to the mode of low and high level to make each contact circuit operation realize the specific of each auxiliary
Function.It is designed between main control module 2 and execution pattern for crossing redundancy, is controlled for the first main control unit execute mould under normal circumstances
Block 3, when the first main control unit failure, the second main control unit control execution module 3 is continued to execute.
Supplementary module 1, including the first power supply and second source, the first power supply and execution module 3, the first main control unit, the
Two main control units and external power supply connection, second source and execution module 3, the first main control unit, the second main control unit and
External power supply connection, supplementary module 1 are used to power for main control module 2 and execution module 3.
The connection of power supply and STM32F4 series monolithic can be carried out according to the reference manual of STM32F4 series monolithic
Connection.Similarly, the connection between STM32F4 series monolithic and STM32F4 series monolithic and external loading, outside are defeated
The connection for entering signal end can also be attached according to the reference manual of STM32F4 series monolithic.
Referring to fig. 2,1 interior power of supplementary module is the design of isomorphism type hot backup, i.e., by the first power supply and second source
It constitutes.It is designed between power supply and execution module 3 for crossing redundancy, is under normal circumstances that the first main control unit supplies for the first power supply
Electricity, when the first power failure, second source starting is continuously the power supply of the first main control unit；When the first main control unit failure,
First power supply switchs to the power supply of the second main control unit, and the second main control unit the first main control unit of substitution continues to execute its work；Together
Reason, when the first power failure and the first main control unit simultaneous faults, second source starting is continuously the power supply of the second main control unit,
Maintain the normal operation of device.
Preferably, execution module 3 includes I/O interface and adopts control unit, and I/O interface includes the first I/O interface and second
I/O interface, adopt control unit include first adopt control unit and second adopt control unit, the first I/O interface and the first main control unit, second
Main control unit, first adopt control unit and second and adopt control unit connection, the 2nd I/O interface and the first main control unit, the second master control list
Member, first adopt control unit and second adopt control unit connection, first adopt control unit and second adopt control unit with the load in train
Connection.
Identical as isomorphism type hot backup above-mentioned design and crossing redundancy design, execution module 3 also uses this simultaneously
Two kinds of design methods, are greatly improved the stability of system.
Preferably, supplementary module 1 further includes external interface, main control module 2 by external interface and external communications terminals into
Row communication.
External interface includes external communication interface, test O&M interface etc., can be configured in distal end to device, O&M
Deng operation.
Embodiment 2:
Referring to fig. 4, Fig. 4 provides a kind of specific implementation scene, wherein adopting control unit, main control unit selects STM32F4
Series monolithic.
After input signal enters device, the operation such as filtering, isolation, latch is first passed around, guarantees that input signal can be to adopt
Control unit is identified.Adopt control unit receive treated input signal after, be sent to main control unit via CAN bus.It is main
It controls unit and inter-process is carried out according to input signal, control signal is returned to by CAN bus then and adopts control unit.It is single to adopt control
Member carries out inter-process, output drive signal after receiving control signal.Driving signal is by operations such as latch, isolation, amplifications
After be transmitted to load, to control load.
Distal end reads the state of main control module 2 by external interface, achieves the purpose of real-time monitoring.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of train logic control device of maltilevel security redundancy, characterized in that including main control module (2), execution module (3)
With supplementary module (1):
The main control module (2), including the first main control unit and the second main control unit, first main control unit and the execution
Module (3) and the supplementary module (1) connection, second main control unit and the execution module (3) and the auxiliary
Module (1) connection, the main control module (2) is for receiving external input signal, carrying out processing to input signal and to described
Execution module (3) sends control signal；
The execution module (3), connect with the load in the main control module (2) and train, and the execution module (3) is used for
Receive the control signal that main control module (2) are sent and the load output drive signal according to control signal into train；
The supplementary module (1), including the first power supply and second source are first power supply and the execution module (3), described
First main control unit, second main control unit and external power supply connection, the second source and the execution module (3),
First main control unit, second main control unit and external power supply connection, the supplementary module (1) are used to be the master
Control module (2) and the execution module (3) power supply.
2. a kind of train logic control device of maltilevel security redundancy as described in claim 1, characterized in that the execution mould
Block (3) includes I/O interface and adopts control unit, and the I/O interface includes the first I/O interface and the 2nd I/O interface, described to adopt control
Unit adopts control unit and second including first and adopts control unit, the first I/O interface and first main control unit, described second
Main control unit, described first, which adopt control unit and adopt control unit with described second, connect, the 2nd I/O interface and first master control
Unit, second main control unit, described first adopt control unit with described second adopt control unit connect, described first adopts control unit
Control unit is adopted with described second to connect with the load in train.
3. a kind of train logic control device of maltilevel security redundancy as claimed in claim 1 or 2, characterized in that in train
Load include Train Control module, release of brake module, mode control module, airconditioning control module, door control system module, by
Pantograph control module and hitch control module.
4. a kind of train logic control device of maltilevel security redundancy as described in claim 1, characterized in that the auxiliary mould
Block (1) further includes external interface, and the main control module (2) is communicated by external interface with external communications terminals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920399294.8U CN209343143U (en) | 2019-03-27 | 2019-03-27 | A kind of train logic control device of maltilevel security redundancy |
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| CN201920399294.8U CN209343143U (en) | 2019-03-27 | 2019-03-27 | A kind of train logic control device of maltilevel security redundancy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758489A (en) * | 2019-11-13 | 2020-02-07 | 通号城市轨道交通技术有限公司 | Automatic protection system of train |
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- 2019-03-27 CN CN201920399294.8U patent/CN209343143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758489A (en) * | 2019-11-13 | 2020-02-07 | 通号城市轨道交通技术有限公司 | Automatic protection system of train |
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