CN113238983A - Railway safety computer and railway safety management platform - Google Patents
Railway safety computer and railway safety management platform Download PDFInfo
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
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- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention provides a railway safety computer and a railway safety management platform, wherein the railway safety computer comprises: the power supply board is connected with the back plate; the back plate is provided with a power supply channel, and the PCIe bus is integrated on the back plate; the power panel is connected with the power supply channel; the function board is divided into according to the IMA architecture of the railway security computer: the device comprises a main control board, a comparison board and a communication board; the main control board, the comparison board and the communication board are all provided with a 2K1000 processor, and communication interfaces of the main control board, the comparison board and the communication board are respectively connected with a PCIe bus. The invention mounts the 2K1000 processor, thereby improving the safety of the computer. Meanwhile, a PCIe bus is adopted to replace a CPCI bus, and high-speed data stream transmission is further realized. In addition, the function board is divided into a main control board, a comparison board and a communication board according to an IMA framework of the railway safety computer, so that redefinition and interconnection of the function modules are realized, and reliability, maintainability and interchangeability of the modules are improved.
Description
Technical Field
The invention relates to the technical field of safety computers, in particular to a railway safety computer and a railway safety management platform.
Background
In the technical field of railway traffic, electronic computers and terminal devices arranged at different places in the railway department use communication equipment (or data communication networks) and corresponding communication protocols to form a railway computer network for collecting, storing and processing railway information. However, the following problems exist in the existing railway computer network: 1) the railway computer uses a foreign central processing unit, so that the application safety is risky; 2) the railway computer adopts a CPCI bus architecture, and has limitation on data transmission; 3) the reliability, easy maintenance, module interchangeability and the like of the railway computer are limited. Therefore, it is necessary to provide a further solution to the above problems.
Disclosure of Invention
The invention aims to provide a railway safety computer and a railway safety management platform so as to overcome the defects in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a railway security computer, comprising: the power supply board is connected with the back plate;
the back plate is provided with a power supply channel, and the PCIe bus is integrated on the back plate;
the power panel is connected with the power supply channel;
the function board is divided into the following parts according to the IMA architecture of the railway security computer: the device comprises a main control board, a comparison board and a communication board;
the main control board, the comparison board and the communication board are all provided with a 2K1000 processor, communication interfaces of the main control board, the comparison board and the communication board are respectively connected with the PCIe bus, and power supply interfaces of the power supply board, the main control board, the comparison board and the communication board are respectively connected with the power supply channel; the power panel, the main control panel, the comparison panel and the communication panel are respectively provided with a rear plugboard.
As an improvement of the railway security computer, the main control board, the comparison board and the communication board are all provided with a first processor sub-module and a second processor sub-module, and the PCIe bus comprises: the main control board, the comparison board and the communication board are respectively connected to the bus A, and the main control board, the comparison board and the communication board are respectively connected to the bus B.
As an improvement of the railway security computer of the present invention, the communication board comprises: ETH board, CAN board, and 422 board;
the communication interfaces of the ETH board, the CAN board and the 422 board are respectively connected with the PCIe bus, and the power supply interfaces of the ETH board, the CAN board and the 422 board are respectively connected with the power supply channel.
As an improvement of the railway security computer, the IMA architecture corresponding to the main control board, the comparison board and the communication board comprises: the device comprises a power supply conversion module, a data processing module, a graphic processing module, a large-capacity storage module, an input/output module, a signal processing module and a network support module;
the power supply conversion module, the data processing module, the graphic processing module, the large-capacity storage module, the input-output module and the signal processing module are respectively in data interaction with the I2C bus; the data processing module, the graphic processing module, the mass storage module, the input/output module and the signal processing module are respectively in data interaction with the network support module, and the network support module is in data interaction with the I2C bus.
As an improvement of the railway security computer of the present invention, the railway security computer further comprises: the device comprises an upper cover plate, a lower cover plate, a left side plate, a right side plate, a cross beam, a handle and a flange wall;
the left side plate and the right side plate are arranged oppositely and are vertically connected with the lower cover plate, the upper cover plate is arranged oppositely to the lower cover plate and is vertically connected with the left side plate and the right side plate, and the cross beam is connected to the top of a space enclosed by the upper cover plate, the lower cover plate, the left side plate and the right side plate and supports the upper cover plate;
the power panel, the main control board, the comparison board and the communication board are inserted into a space surrounded by the upper cover plate, the lower cover plate, the left side plate and the right side plate from the front side, and the rear inserting board is inserted into the space surrounded by the upper cover plate, the lower cover plate, the left side plate and the right side plate from the rear side relatively.
As an improvement of the railway safety computer, a guide rail bar for guiding the insertion of the power supply board, the main control board, the comparison board and the communication board is further arranged below the cross beam.
As an improvement of the railway safety computer, the left side plate and the right side plate are both provided with a handle and a flange wall, the handle is connected to the edge position of the front end of the side plate, and the flange wall is connected to the edge position of the rear end of the side plate.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a railway safety management platform, comprising: a first secure computer and a second secure computer;
the first safety computer and the second safety computer are of isomorphic design, and the first safety computer and the second safety computer are railway safety computers as described above; and the main control board of the first safety computer performs data interaction with the main control board of the second safety computer.
As an improvement of the railway security management platform of the present invention, when the first and second security computers are railway security computers as claimed in claim 2:
the main control board, the comparison board and the first processor sub-modules of the communication board of the first safety computer are respectively connected to the corresponding bus A, and the main control board, the comparison board and the second processor sub-modules of the communication board of the first safety computer are respectively connected to the corresponding bus B;
the main control board, the comparison board and the first processor sub-modules of the communication board of the second safety computer are respectively connected to the corresponding bus A, and the main control board, the comparison board and the second processor sub-modules of the communication board of the second safety computer are respectively connected to the corresponding bus B;
the data interaction of the main control board, the comparison board and the first processor sub-module of the communication board of the first safety computer and the data interaction of the main control board, the comparison board and the first processor sub-module of the communication board of the second safety computer are respectively carried out;
and the second processor sub-modules of the main control board, the comparison board and the communication board of the first safety computer are respectively interacted with the data of the second processor sub-modules of the main control board, the comparison board and the communication board of the second safety computer.
As an improvement of the railway safety management platform of the present invention, the first safety computer and the second safety computer each have: debugging network port/serial port, power interface, communication interface and GPIO interface.
Compared with the prior art, the invention has the beneficial effects that: the railway safety computer provided by the invention is provided with the 2K1000 processor, so that the safety of the computer is improved. Meanwhile, the railway security computer of the invention adopts PCIe bus to replace CPCI bus, thereby realizing high-speed data stream transmission. In addition, in the railway safety computer, the function board is divided into the main control board, the comparison board and the communication board according to the IMA framework of the railway safety computer, so that the redefinition and interconnection of the function modules are realized, and the reliability, the maintainability and the interchangeability of the modules are improved.
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 described in 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 block diagram of one embodiment of a railway security computer of the present invention;
FIG. 2 is a topological diagram of a railway security computer according to an embodiment of the present invention, which employs a homogeneous AB redundancy design;
FIG. 3 is a block diagram of an IMA architecture according to an embodiment of the present invention;
FIG. 4 is a schematic exploded view of the hardware of the case of the railway security computer according to an embodiment of the present invention;
fig. 5 is a block diagram of an embodiment of the railway safety management platform of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a railway security computer 100, which includes: backplate 10, power board 20, function board 30 and PCIe bus 40.
The backplane 10 is used for integrating a power supply channel, a bus channel and the like. In this embodiment, the backplane 10 has a power supply channel, and the PCIe bus 40 is integrated on the backplane 10. Accordingly, the power panel 20 of the railway security computer 100 is connected to the power supply channel.
The function board 30 is divided into, according to the IMA architecture 50 of the railway security computer 100: the main control board 31, the comparison board 32 and the communication board 33, and a network and a PCIe bus 40 are adopted to realize high-speed communication interconnection. Therefore, the PCIe bus 40 is adopted to replace the CPCI bus, and high-speed data stream transmission is further realized; meanwhile, redefinition and interconnection of the functional modules are realized, and reliability, maintainability and interchangeability of the modules are improved.
Specifically, the main control board 31, the comparison board 32, and the communication board 33 are each equipped with a 2K1000 processor. The 2K1000 processor is a home-made processor which is independently developed by Loongson and faces to the embedded field. In conformity with the railway security computer 100 of this embodiment, the 2K1000 processor should have a gigabit network interface, PCIe bus 40, CAN interface, 422 serial port, etc.; the performance is comparable to AMD LX 800. By mounting the 2K1000 processor, the safety of the computer is improved.
Further, the communication interfaces of the main control board 31, the comparison board 32 and the communication board 33 are respectively connected to the PCIe bus 40. PCIe (PCI-Express) is a universal serial bus specification, a parallel bus of the PCI is developed into a high-speed serial bus, the bus frequency is improved from 33M/66M of the PCI to 1.25G-8G, the data transmission capacity is greatly improved, and the compatibility with the PCI specification is maintained. In this embodiment, the PCIe bridging technology is used to implement communication between the modules, and a master-slave mode is not used any more, so that the data processing capability of each module can be further improved, the computing pressure of the main control board 31 is shared, and the architecture standard of the IMA is followed.
The communication board 33 includes: ETH board 330, CAN board 331 and 422 board 332.
Communication interfaces of the ETH board 330, the CAN board 331 and the 422 board 332 are respectively connected to the PCIe bus 40, and power supply interfaces of the ETH board 330, the CAN board 331 and the 422 board 332 are respectively connected to the power supply channels.
As shown in fig. 2, the master control board 31, the ETH board 330, and the CAN boards 331 and 422 all employ an identical AB redundancy design. Specifically, the main control board 31, the comparison board 32, and the communication board 33 each have a first processor sub-module and a second processor sub-module. Accordingly, the PCIe bus 40 includes: an A bus and a B bus. The first processor sub-modules of the main control board 31, the comparison board 32 and the communication board 33 are respectively connected to the a bus, and the second processor sub-modules of the main control board 31, the comparison board 32 and the communication board 33 are respectively connected to the B bus.
Therefore, for the master control board 31, the PCIe bus 40 of the master processor of the master control board 31 is connected to the master processors of the respective communication boards through the non-transparent bridge, and similarly, the PCIe bus 40 of the slave processors of the master control board 31 is connected to the slave processors of the respective communication boards through the non-transparent bridge, and a peer-to-peer shared memory operation mode is configured on the PCIe bus 40, so that compatibility on a software level can be realized with an operation mode based on a dual-port RAM currently used, and workload of software architecture and code modification is reduced as much as possible. The master processor and the slave processor can also communicate through redundant Ethernet to realize synchronization and data interaction.
In addition, the power supply interfaces of the power board 20, the main control board 31, the comparison board 32 and the communication board 33 are respectively connected with the power supply channels. The power panel 20, the main control panel 31, the comparison panel 32 and the communication panel 33 are respectively provided with a rear plug board.
As shown in fig. 3, the function board 30 is divided into, as described above, according to the IMA architecture 50 of the railway security computer 100: a main control board 31, a comparison board 32 and a communication board 33. The IMA architecture 50 corresponding to the main control board 31, the comparison board 32, and the communication board 33 includes: a power conversion module 51, a data processing module 52, a graphics processing module 53, a mass storage module 54, an input/output module 55, a signal processing module 56, and a network support module 57.
Specifically, the power conversion module 51 is configured to implement isolation filtering and voltage conversion between a primary power supply and a secondary power supply of the general computing platform, so as to meet power consumption requirements of each functional module in the general computing platform.
The data processing module 52 is used for realizing functions such as comprehensive task management and the like, and meets the requirements of each application and platform management of the HK system on computing resources.
The graphic processing module 53 is used for realizing the functions of image acquisition, receiving, transformation, superposition, synthesis, format conversion and the like, and meeting the requirements of the functions of video monitoring, image stabilization and the like of the HK system on graphic image resource processing.
The large-capacity storage module 54 is used for realizing data storage, reading and offline export of the general computing platform system, and meeting the requirements of functions of configuration management, fault diagnosis, health monitoring and the like of platform management on storage resources; the requirements of data storage, state recording and the like of each application of the HK system on storage resources are met.
The input/output module 55 is used for realizing the access function from interfaces such as a CAN bus, a standard Ethernet, a GPIO and the like to a real-time control Ethernet; access to the conventional bus to the general purpose computing platform is achieved.
The power conversion module 51, the data processing module 52, the graphics processing module 53, the mass storage module 54, the input/output module 55 and the signal processing module 56 interact with the I2C bus data respectively; the data processing module 52, the graphics processing module 53, the mass storage module 54, the input/output module 55, and the signal processing module 56 respectively interact with the network support module 57, and the network support module 57 interacts with the I2C bus.
Furthermore, the IMA architecture 50 of the railway security computer 100 further includes: backplane 10 module and chassis module.
The backplane 10 module is used to implement interconnection of each functional module under an open module architecture. The back board 10 module is provided with a power supply channel, a real-time control Ethernet channel, an I2C internal management bus channel and an external interface connecting channel, and meets the connecting requirements between the functional modules and the connecting requirements of the general computing platform and other single devices of the HK system.
The case module is used for providing a fully reinforced case for core modules such as a power supply, general computation, digital computation, data storage and the like; providing a fully ruggedized chassis for the remote graphics processing module 53 and the power module's subsystems; and a fully reinforced case is provided for the subsystems of the remote interface access module and the power module.
The data processing module 52, the graphics processing module 53, the input/output module 55, the mass storage module 54, the signal processing module 56, and other modules all have independent CPUs and operating systems, and can perform data preprocessing and centralized processing according to the main functions borne by the modules, so as to provide professional processing services such as computation, graphics, interfaces, storage, signals, and the like for the whole system.
As shown in fig. 4, at the hardware level of the chassis, the railway security computer 100 further includes: an upper cover plate 61, a lower cover plate 62, a left side plate 63, a right side plate 64, a cross beam 65, a handle 66, and a flange wall 67.
The left side plate 63 and the right side plate 64 are arranged oppositely and vertically connected with the lower cover plate 62, the upper cover plate 61 and the lower cover plate 62 are arranged oppositely and vertically connected with the left side plate 63 and the right side plate 64, and the cross beam 65 is connected to the top of a space enclosed by the upper cover plate 61, the lower cover plate 62, the left side plate 63 and the right side plate 64 and supports the upper cover plate 61.
Therefore, the upper cover plate 61, the lower cover plate 62, the left side plate 63 and the right side plate 64 enclose an assembly space, and the power supply board 20, the main control board 31, the comparison board 32 and the communication board 33 are inserted into the assembly space enclosed by the upper cover plate 61, the lower cover plate 62, the left side plate 63 and the right side plate 64 from the front side. In addition, in order to facilitate the plugging of the power panel 20, the main control panel 31, the comparison panel 32 and the communication panel 33, a guide rail strip 68 for guiding the plugging of the power panel 20, the main control panel 31, the comparison panel 32 and the communication panel 33 is further arranged below the cross beam 65.
As described above, the power board 20, the main control board 31, the comparison board 32, and the communication board 33 also have their own rear socket boards, respectively. Accordingly, the rear insertion plate is relatively inserted from the rear side into the assembly space defined by the upper cover plate 61, the lower cover plate 62, the left side plate 63, and the right side plate 64.
In addition, the left side plate 63 and the right side plate 64 are each provided with a handle 66 and a flange wall 67, the handle 66 being attached to the edge position of the front end of the side plate, and the flange wall 67 being attached to the edge position of the rear end of the side plate. The handle 66 is also provided with ear wings 661.
As shown in fig. 5, another embodiment of the present invention further provides a railway safety management platform 200, which includes: a first security computer 101 and a second security computer 102.
The railway safety management platform of the embodiment is an SIL4 level safety platform with a 2 × 2oo2 redundant structure, and the platform needs to meet the application requirements of a railway ground signal system, can provide various external interfaces, and has expandability to meet new requirements for development of the railway signal system industry.
Specifically, the first security computer 101 and the second security computer 102 are of a homogeneous design, both being the railway security computer 100 as described in the above embodiments. That is, the first security computer 101 and the second security computer 102 each have: the system comprises 1 main control board, 1 power supply board, 1 backboard, a plurality of communication boards (including an ETH board/422 board/CAN board) and corresponding rear plugboards, wherein a comparison board interface is reserved, modules of the same type CAN be completely exchanged, and different numbers of modules CAN be configured according to the working mode requirements of different ground signal systems.
The master control board of the first security computer 101 is capable of data interaction with the master control board of the second security computer 102. Further, when the master control board, ETH board, CAN board, 422 board of the first security computer 101 and the second security computer 102 all adopt the homogeneous AB redundancy design:
the main control board, the comparison board and the first processor sub-modules of the communication board of the first security computer 101 are respectively connected to the corresponding bus A, and the main control board, the comparison board and the second processor sub-modules of the communication board of the first security computer 101 are respectively connected to the corresponding bus B;
the main control board, the comparison board and the first processor sub-modules of the communication board of the second security computer 102 are respectively connected to the corresponding bus a, and the main control board, the comparison board and the second processor sub-modules of the communication board of the second security computer 102 are respectively connected to the corresponding bus B;
the data interaction of the first processor sub-modules of the main control board, the comparison board and the communication board of the first security computer 101 and the data interaction of the first processor sub-modules of the main control board, the comparison board and the communication board of the second security computer 102 respectively;
the second processor sub-modules of the main control board, the comparison board and the communication board of the first security computer 101 interact with the second processor sub-modules of the main control board, the comparison board and the communication board of the second security computer 102 in block data interaction.
Therefore, the main control board, the ETH board, the CAN board and the 422 board are all internally designed with the same AB redundancy design and comprise buses and network connection; the first security computer 101 board and the second security computer 102 adopt an Ethernet interface on a main control board for communication; the main control board is connected with non-transparent bridges on other boards through transparent bridges to form a PCIe bus 40 system; in addition, two PCIE buses 40 are adopted, wherein the bus A is connected with a first processor sub-module in each board card, and the bus B is connected with a second processor sub-module in each module card; A. the bus B is routed through the backplane 10, and the backplane 10 adopts a passive structure.
Further, with the AB redundancy design, the first security computer 101 and the second security computer 102 each have: debugging network port/serial port, power interface, communication interface and GPIO interface.
In conclusion, the railway safety computer provided by the invention is provided with the 2K1000 processor, so that the safety of the computer is improved. Meanwhile, the railway security computer of the invention adopts PCIe bus to replace CPCI bus, thereby realizing high-speed data stream transmission. In addition, in the railway safety computer, the function board is divided into the main control board, the comparison board and the communication board according to the IMA framework of the railway safety computer, so that the redefinition and interconnection of the function modules are realized, and the reliability, the maintainability and the interchangeability of the modules are improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A railway security computer, the railway security computer comprising: the power supply board is connected with the back plate;
the back plate is provided with a power supply channel, and the PCIe bus is integrated on the back plate;
the power panel is connected with the power supply channel;
the function board is divided into the following parts according to the IMA architecture of the railway security computer: the device comprises a main control board, a comparison board and a communication board;
the main control board, the comparison board and the communication board are all provided with a 2K1000 processor, communication interfaces of the main control board, the comparison board and the communication board are respectively connected with the PCIe bus, and power supply interfaces of the power supply board, the main control board, the comparison board and the communication board are respectively connected with the power supply channel; the power panel, the main control panel, the comparison panel and the communication panel are respectively provided with a rear plugboard.
2. The railway security computer of claim 1, wherein the master control board, the comparison board, and the communication board each have a first processor sub-module and a second processor sub-module, and wherein the PCIe bus comprises: the main control board, the comparison board and the communication board are respectively connected to the bus A, and the main control board, the comparison board and the communication board are respectively connected to the bus B.
3. A railway security computer as claimed in claim 1 or 2, wherein the communications board comprises: ETH board, CAN board, and 422 board;
the communication interfaces of the ETH board, the CAN board and the 422 board are respectively connected with the PCIe bus, and the power supply interfaces of the ETH board, the CAN board and the 422 board are respectively connected with the power supply channel.
4. The railway security computer of claim 1, wherein the IMA architecture corresponding to the main control board, the comparison board and the communication board comprises: the device comprises a power supply conversion module, a data processing module, a graphic processing module, a large-capacity storage module, an input/output module, a signal processing module and a network support module;
the power supply conversion module, the data processing module, the graphic processing module, the large-capacity storage module, the input-output module and the signal processing module are respectively in data interaction with the I2C bus; the data processing module, the graphic processing module, the mass storage module, the input/output module and the signal processing module are respectively in data interaction with the network support module, and the network support module is in data interaction with the I2C bus.
5. The railway security computer of claim 1, further comprising: the device comprises an upper cover plate, a lower cover plate, a left side plate, a right side plate, a cross beam, a handle and a flange wall;
the left side plate and the right side plate are arranged oppositely and are vertically connected with the lower cover plate, the upper cover plate is arranged oppositely to the lower cover plate and is vertically connected with the left side plate and the right side plate, and the cross beam is connected to the top of a space enclosed by the upper cover plate, the lower cover plate, the left side plate and the right side plate and supports the upper cover plate;
the power panel, the main control board, the comparison board and the communication board are inserted into a space surrounded by the upper cover plate, the lower cover plate, the left side plate and the right side plate from the front side, and the rear inserting board is inserted into the space surrounded by the upper cover plate, the lower cover plate, the left side plate and the right side plate from the rear side relatively.
6. The railway security computer of claim 5, wherein a guide rail bar is further disposed below the cross beam for guiding the plugging of the power supply board, the main control board, the comparison board and the communication board.
7. A railway security computer as claimed in claim 5 wherein the left and right side plates are each provided with a handle attached to an edge location at the front end of the side plate and a flanged wall attached to an edge location at the rear end of the side plate.
8. A railway safety management platform, characterized in that the railway safety management platform comprises: a first secure computer and a second secure computer;
the first and second security computers being of homogeneous design, both being railway security computers as claimed in any one of claims 1 to 7; and the main control board of the first safety computer performs data interaction with the main control board of the second safety computer.
9. The railway security management platform of claim 8, wherein when the first and second security computers are railway security computers as claimed in claim 2:
the main control board, the comparison board and the first processor sub-modules of the communication board of the first safety computer are respectively connected to the corresponding bus A, and the main control board, the comparison board and the second processor sub-modules of the communication board of the first safety computer are respectively connected to the corresponding bus B;
the main control board, the comparison board and the first processor sub-modules of the communication board of the second safety computer are respectively connected to the corresponding bus A, and the main control board, the comparison board and the second processor sub-modules of the communication board of the second safety computer are respectively connected to the corresponding bus B;
the data interaction of the main control board, the comparison board and the first processor sub-module of the communication board of the first safety computer and the data interaction of the main control board, the comparison board and the first processor sub-module of the communication board of the second safety computer are respectively carried out;
and the second processor sub-modules of the main control board, the comparison board and the communication board of the first safety computer are respectively interacted with the data of the second processor sub-modules of the main control board, the comparison board and the communication board of the second safety computer.
10. The railway security management platform of claim 8, wherein the first security computer and the second security computer each have: debugging network port/serial port, power interface, communication interface and GPIO interface.
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