CN113238983B - Railway safety computer and railway safety management platform - Google Patents
Railway safety computer and railway safety management platform Download PDFInfo
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- CN113238983B CN113238983B CN202110694710.9A CN202110694710A CN113238983B CN 113238983 B CN113238983 B CN 113238983B CN 202110694710 A CN202110694710 A CN 202110694710A CN 113238983 B CN113238983 B CN 113238983B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- 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
- G06F15/163—Interprocessor communication
- G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
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- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0024—Peripheral component interconnect [PCI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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Abstract
The invention provides a railway safety computer and a railway safety management platform, wherein the railway safety computer comprises: back plate, power panel, function board and PCIe bus; the backboard is provided with a power supply channel, and the PCIe bus is integrated on the backboard; the power panel is connected with the power supply channel; the function boards are divided into according to the IMA architecture of the railway security computer: the main control board, the comparison board and the communication board; the main control board, the comparison board and the communication board are all provided with 2K1000 processors, and communication interfaces of the main control board, the comparison board and the communication board are respectively connected with the PCIe bus. The invention is provided with the 2K1000 processor, thereby improving the safety of the computer. Meanwhile, PCIe bus is adopted to replace CPCI bus, thereby realizing high-speed data stream transmission. In addition, the function board is divided into a main control board, a comparison board and a communication board according to the IMA architecture of the railway safety computer, so that redefinition and interconnection of the function modules are realized, and the reliability, the maintainability and the 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 field of railway traffic technology, railway departments use communication equipment (or data communication network) and corresponding communication protocols for electronic computers, terminal devices arranged at different places to form a railway computer network for collecting, storing and processing railway information. However, existing railway computer networks have the following problems: 1) The railway computers all use foreign central processing units, and risks exist in application safety; 2) The railway computer adopts CPCI bus architecture, and has limitation on data transmission; 3) The railway computer has the limitations of reliability, easy maintenance, module interchangeability and the like. Therefore, in view of the above problems, it is necessary to propose further solutions.
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 safety computer, comprising: back plate, power panel, function board and PCIe bus;
the backboard is provided with a power supply channel, and the PCIe bus is integrated on the backboard;
the power panel is connected with the power supply channel;
the function board is divided into according to the IMA architecture of the railway safety computer: the main control board, the comparison board and the communication board;
the main control board, the comparison board and the communication board are respectively 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 safety computer, the main control board, the comparison board and the communication board are 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 A bus, and the main control board, the comparison board and the communication board are respectively connected to the B bus.
As an improvement of the railway safety computer of the present invention, the communication board comprises: an ETH board, a CAN board, and a 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 safety computer, the IMA framework corresponding to the main control board, the comparison board and the communication board comprises: the system comprises a power supply conversion module, a data processing module, a graphic processing module, a mass storage module, an input/output module, a signal processing module and a network support module;
the power conversion module, the data processing module, the graphic processing module, the mass storage module, the input/output module and the signal processing module are respectively interacted with the I2C bus data; the data processing module, the graphic processing module, the mass storage module, the input and output module and the signal processing module are respectively interacted with the network support module, and the network support module is interacted with the I2C bus data.
As an improvement of the railway safety computer of the present invention, the railway safety computer further comprises: the flange 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 oppositely arranged and are vertically connected with the lower cover plate, the upper cover plate is oppositely arranged with the lower cover plate and is vertically connected with the left side plate and the right side plate, and the cross beam is connected with the top of a space surrounded 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 panel, the comparison panel and the communication panel are 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 front side, and the rear inserting plate 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 strip for guiding the plugging of the power supply board, the main control board, the comparison board and the communication board is arranged below the cross beam.
As an improvement of the railway safety computer, the left side plate and the right side plate are respectively provided with a handle and a flange wall, the handles are connected to the edge positions of the front ends of the side plates, and the flange walls are connected to the edge positions of the rear ends of the side plates.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a railway security management platform, comprising: a first secure computer and a second secure computer;
the first safety computer and the second safety computer adopt isomorphic design, and are railway safety computers as described above; and the main control board of the first security computer performs data interaction with the main control board of the second security computer.
As an improvement of the railway safety management platform of the invention, when the first safety computer and the second safety computer are the railway safety computers as claimed in claim 2:
the main control board, the comparison board and the second processor submodule of the communication board of the first safety computer are respectively connected to the corresponding bus A;
the main control board, the comparison board and the second processor submodule of the communication board of the second safety computer are respectively connected to the corresponding A bus, and the main control board, the comparison board and the second processor submodule of the communication board of the second safety computer are respectively connected to the corresponding B bus;
the main control board, the comparison board and the first processor submodule of the communication board of the first safety computer are respectively interacted with the main control board, the comparison board and the first processor submodule of the communication board of the second safety computer;
and the second processor submodules of the main control board, the comparison board and the communication board of the first safety computer are respectively interacted with the second processor submodule blocks 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 invention, the first safety computer and the second safety computer are provided with: debug 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 is provided with the 2K1000 processor, so that the safety of the computer is improved. Meanwhile, the railway safety computer adopts a PCIe bus to replace a 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 architecture of the railway safety computer, so that 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 that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a block diagram of one embodiment of a railway security computer of the present invention;
FIG. 2 is a topology diagram of a railway security computer employing a isomorphic AB redundancy design in accordance with one embodiment of the present invention;
FIG. 3 is a block diagram of an IMA architecture in accordance with one embodiment of the present invention;
FIG. 4 is an exploded perspective view of the hardware of the chassis of the railway security computer according to one embodiment of the present invention;
FIG. 5 is a block diagram of one embodiment of a railway safety management platform according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, one embodiment of the present invention provides a railway safety computer 100, which includes: back plane 10, power plane 20, function plane 30, and PCIe bus 40.
The back plate 10 is used for an integrated power supply channel, a bus channel, etc. In this embodiment, the backplane 10 has a power supply channel thereon, and the PCIe bus 40 is integrated on the backplane 10. Accordingly, the power panel 20 of the railway safety 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 high-speed communication interconnection is realized by adopting a network and a PCIe bus 40. Therefore, the PCIe bus 40 is adopted to replace CPCI bus, thereby realizing high-speed data stream transmission; 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 localization processor which is independently developed by Loongson and faces to the embedded field. In compliance with the present embodiment of the railway security computer 100, the 2K1000 processor should have a gigabit network interface, PCIe bus 40, CAN interface, 422 serial port, etc.; performance is comparable to AMD LX 800. By carrying 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 with the PCIe bus 40. PCIe (PCI-Express) is a universal serial bus specification, which develops a parallel bus of PCI into a high-speed serial bus, increases a bus frequency from 33M/66M of PCI to 1.25G-8G, greatly increases data transmission capability, and maintains compatibility with the PCI specification. In this embodiment, PCIe bridging technology is adopted to implement communication between modules, and a master-slave mode is no longer adopted, so that data processing capability of each module can be further improved, computation pressure of the main control board 31 is shared, and architecture standard of IMA is followed.
The communication board 33 includes: ETH board 330, CAN board 331, and 422 board 332.
The communication interfaces of the ETH board 330, the CAN board 331 and the 422 board 332 are respectively connected with the PCIe bus 40, and the power supply interfaces of the ETH board 330, the CAN board 331 and the 422 board 332 are respectively connected with the power supply channels.
As shown in fig. 2, the main control board 31, the ETH board 330, the CAN board 331 and the 422 board 332 all adopt an isomorphic 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, 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 main control board 31, the PCIe bus 40 of the main processor of the main control board 31 is connected to the main processor of each communication board through a non-transparent bridge, and the PCIe bus 40 of the slave processor of the main control board 31 is connected to the slave processor of each communication board through a non-transparent bridge, and a point-to-point shared memory operation mode is constructed on the PCIe bus 40, so that compatibility on a software level can be realized with the currently used operation mode based on the dual-port RAM, and the 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 panel 20, the main control panel 31, the comparison panel 32 and the communication panel 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 also provided with respective rear plugboards.
As shown in fig. 3, as described above, the function board 30 is divided into, 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 the primary power source and the secondary power source of the general computing platform, so as to meet the 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 meeting the requirements of various applications of the HK system and platform management on operation resources.
The graphic processing module 53 is used for realizing functions of image acquisition, receiving, conversion, superposition, synthesis, format conversion and the like, and meeting the requirements of 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 such as configuration management, fault diagnosis and health monitoring of platform management on storage resources; the requirements of data storage, state record 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 the real-time control Ethernet; and the access of the traditional bus to the general computing platform is realized.
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 interact with the network support module 57 data, respectively, and the network support module 57 interacts with the I2C bus data.
Furthermore, the IMA architecture 50 of the railway security computer 100 further comprises: back panel 10 modules and chassis modules.
The back board 10 module is used for realizing interconnection of all functional modules under an open module architecture. The backboard 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 connection channel, so that the connection requirements between the functional modules and the connection requirements of the general computing platform and other monomer equipment of the HK system are met.
The case module is used for providing a fully-reinforced case for the core modules such as power supply, general calculation, digital calculation, data storage and the like; providing a fully consolidated chassis for subsystems of the remote graphics processing module 53 and power module; and providing a fully reinforced chassis for subsystems of the remote interface access module and the power supply 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 are provided with independent CPUs and operating systems, and can perform data preprocessing and centralized processing according to the main functions born by the modules, thereby providing specialized 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 safety computer 100 further includes: upper cover 61, lower cover 62, left side panel 63, right side panel 64, cross member 65, handle 66, and flange wall 67.
The left side plate 63 and the right side plate 64 are oppositely arranged and are vertically connected with the lower cover plate 62, the upper cover plate 61 and the lower cover plate 62 are oppositely arranged and are 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 surrounded 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.
Accordingly, the upper cover 61, the lower cover 62, the left side plate 63, and the right side plate 64 define an assembly space, and the power panel 20, the main control panel 31, the comparison panel 32, and the communication panel 33 are inserted into the assembly space defined by the upper cover 61, the lower cover 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 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 panel 20, the main control panel 31, the comparison panel 32, and the communication panel 33 also have respective rear plug boards, respectively. Correspondingly, the rear insert plate is oppositely inserted into an 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 rear side.
In addition, the left side plate 63 and the right side plate 64 are provided with a handle 66 and a flange wall 67, the handle 66 is connected to the edge position of the front end of the side plate, and the flange wall 67 is connected to the edge position of the rear end of the side plate. The handle 66 is also provided with a lug 661.
As shown in fig. 5, another embodiment of the present invention further provides a railway safety management platform 200, which includes: a first secure computer 101 and a second secure computer 102.
The railway safety management platform of the embodiment is a SIL 4-level safety platform with a 2×2oo2 redundant structure, the platform needs to meet the application requirements of a railway ground signal system, can provide various external interfaces, and has expandability so as to meet the new requirements of the railway signal system industry development.
Specifically, the first security computer 101 and the second security computer 102 are in a homogeneous design, which are the railway security computers 100 described in the above embodiments. That is, the first secure computer 101 and the second secure computer 102 each have: 1 main control board, 1 power panel, 1 backplate and a plurality of communication boards (including ETH board/422 board/CAN board) with correspond the back picture peg to reserve the comparison board interface, the same type of module CAN be exchanged completely, CAN dispose different quantity of modules according to the mode demand of different ground signal systems.
The main control board of the first security computer 101 and the main control board of the second security computer 102 are capable of data interaction. Further, when the first secure computer 101 board and the main control board, the ETH board, the CAN board, and the 422 board of the second secure computer 102 are all designed by using the homogeneous AB redundancy:
the main control board, the comparison board and the first processor submodule of the communication board of the first safety computer 101 are respectively connected to the corresponding A bus, and the main control board, the comparison board and the second processor submodule of the communication board of the first safety computer 101 are respectively connected to the corresponding B bus;
the main control board, the comparison board and the first processor submodule of the communication board of the second safety computer 102 are respectively connected to the corresponding A bus, and the main control board, the comparison board and the second processor submodule of the communication board of the second safety computer 102 are respectively connected to the corresponding B bus;
the main control board, the comparison board and the first processor submodule of the communication board of the first safety computer 101 are respectively interacted with the main control board, the comparison board and the first processor submodule of the communication board of the second safety computer 102;
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-module blocks of the main control board, the comparison board and the communication board of the second security computer 102 respectively.
In this way, the main control board, the ETH board, the CAN board and the 422 board adopt isomorphic AB redundant designs and comprise buses and network connections; the first secure computer 101 board and the second secure computer 102 are communicated by adopting an Ethernet interface on a main control board; 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, by adopting two PCIE buses 40, the a bus connects with a first processor sub-module in each board card, and the B bus connects with a second processor sub-module in each module card; A. the B bus is routed through the back plate 10, and the back plate 10 adopts a passive structure.
Furthermore, in the case of the AB redundancy design, the first secure computer 101 and the second secure computer 102 each have: debug network port/serial port, power interface, communication interface and GPIO interface.
In summary, the railway safety computer of the invention is provided with the 2K1000 processor, thereby improving the safety of the computer. Meanwhile, the railway safety computer adopts a PCIe bus to replace a 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 architecture of the railway safety computer, so that 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 characteristics 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A railway safety computer, the railway safety computer comprising: back plate, power panel, function board and PCIe bus;
the backboard is provided with a power supply channel, and the PCIe bus is integrated on the backboard;
the power panel is connected with the power supply channel;
the function board is divided into according to the IMA architecture of the railway safety computer: the main control board, the comparison board and the communication board;
the main control board, the comparison board and the communication board are respectively 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 respective rear plugboard;
the main control board, the comparison board and the communication board are 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 second processor submodule of the communication board are respectively connected to the B bus;
the IMA architecture corresponding to the main control board, the comparison board and the communication board comprises: the system comprises a power supply conversion module, a data processing module, a graphic processing module, a mass storage module, an input/output module, a signal processing module and a network support module;
the power conversion module, the data processing module, the graphic processing module, the mass storage module, the input/output module and the signal processing module are respectively interacted with the I2C bus data; the data processing module, the graphic processing module, the mass storage module, the input/output module and the signal processing module are respectively interacted with the network support module, and the network support module is interacted with the I2C bus data;
the railway safety computer further comprises: the flange 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 oppositely arranged and are vertically connected with the lower cover plate, the upper cover plate is oppositely arranged with the lower cover plate and is vertically connected with the left side plate and the right side plate, and the cross beam is connected with the top of a space surrounded 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 panel, the comparison panel and the communication panel are 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 front side, and the rear inserting plate 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.
2. The railway security computer of claim 1, wherein the communication board comprises: an ETH board, a CAN board, and a 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.
3. The railway safety computer according to claim 1, wherein a guide rail bar for guiding the plugging of the power panel, the main control panel, the comparison panel and the communication panel is further arranged below the cross beam.
4. The railway safety computer according to claim 1, wherein the left side plate and the right side plate are provided with handles and flange walls, the handles are connected to the edge positions of the front ends of the side plates, and the flange walls are connected to the edge positions of the rear ends of the side plates.
5. A railway safety management platform, the railway safety management platform comprising: a first secure computer and a second secure computer;
the first security computer and the second security computer are of isomorphic design, and are railway security computers according to any one of claims 1 to 4; and the main control board of the first security computer performs data interaction with the main control board of the second security computer.
6. The railway safety management platform of claim 5, wherein the first safety computer and the second safety computer are the railway safety computers of claim 2:
the main control board, the comparison board and the second processor submodule of the communication board of the first safety computer are respectively connected to the corresponding bus A;
the main control board, the comparison board and the second processor submodule of the communication board of the second safety computer are respectively connected to the corresponding A bus, and the main control board, the comparison board and the second processor submodule of the communication board of the second safety computer are respectively connected to the corresponding B bus;
the main control board, the comparison board and the first processor submodule of the communication board of the first safety computer are respectively interacted with the data of the main control board, the comparison board and the first processor submodule of the communication board of the second safety computer;
and the second processor submodules of the main control board, the comparison board and the communication board of the first safety computer are respectively in data interaction with the second processor submodules of the main control board, the comparison board and the communication board of the second safety computer.
7. The railway security management platform of claim 6, wherein the first security computer and the second security computer each have: debug network port/serial port, power interface, communication interface and GPIO interface.
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