CN213210748U - TVP-L2 general product security platform - Google Patents
TVP-L2 general product security platform Download PDFInfo
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- CN213210748U CN213210748U CN202021722307.XU CN202021722307U CN213210748U CN 213210748 U CN213210748 U CN 213210748U CN 202021722307 U CN202021722307 U CN 202021722307U CN 213210748 U CN213210748 U CN 213210748U
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Abstract
The TVP-L2 universal product safety platform comprises two identical computer platforms arranged at the head and the tail of a vehicle, wherein each computer platform comprises a computer platform I, a computer platform II and a recording plug-in, and each computer platform comprises a power plug-in, a digital quantity plug-out, a communication plug-in and a main control plug-in; the I system power plug-in is connected with the I system digital input plug-in, the I system digital output plug-in, the I system communication plug-in and the I system main control plug-in for power supply; the power plug-in unit II is connected with the digital input plug-in unit, the digital output plug-in unit, the communication plug-in unit and the master control plug-in unit of the system II for power supply; the I system main control plug-in communicates with the I system digital input plug-in and digital output plug-in through the CAN in the I system; and the II-system main control plug-in is in communication connection with the II-system digital input plug-in and digital output plug-in through the CAN in the II system. The utility model discloses a two are owner and are equipped with the design, can increase the security.
Description
Technical Field
The utility model relates to a TVP-L2 general product safety platform.
Background
With the rapid development of microelectronics, information, communication and artificial intelligence technologies, particularly the continuous and deep development of computer technologies in the fields of rail transit, petrochemical industry and ship manufacturing; the original safety system formed by heavy combination of the relay combination module, the digital-analog and analog-digital acquisition module cannot meet the requirements of informatization and intelligent development; highly integrated "fail-safe" systems have become an urgent need in the relevant art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a meet SIL2 safety rating requirement (10)-7 ~ 10-6) The TVP-L2 universal product security platform solves the problems in the prior art.
The utility model adopts the following technical scheme:
the TVP-L2 universal product safety platform comprises two identical computer platforms arranged at the head and the tail of a vehicle, wherein each computer platform comprises a computer platform I, a computer platform II and a recording plug-in, and each computer platform comprises a power plug-in, a digital quantity plug-out, a communication plug-in and a main control plug-in;
wherein the content of the first and second substances,
the I system power plug-in is connected with the I system digital input plug-in, digital output plug-in, communication plug-in and master control plug-in for power supply; the power plug-in unit II is connected with the digital input plug-in unit, the digital output plug-in unit, the communication plug-in unit and the master control plug-in unit of the system II for power supply;
the system I power plug-in and the system II power plug-in are both connected with the recording plug-in for power supply;
the I system main control plug-in communicates with the I system digital input plug-in and digital output plug-in through the CAN in the I system; the system II main control plug-in is in communication connection with the digital input plug-in and the digital output plug-in of the system II through the CAN in the system II;
the system I main control plug-in and the system II main control plug-in are connected through synchronous CAN communication;
the I-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet; and the II-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet.
The communications plug-in includes a switch.
The digital measuring plug-in comprises a CPU (central processing unit), the CPU is connected with a switching value output circuit, and the switching value output circuit is connected with the CPU through a self-checking circuit.
The master plug-in includes a CPU.
The utility model has the advantages that: and the safety can be improved by adopting a two-system master-slave design.
Drawings
Fig. 1 is a structure diagram of the plug-in of the present invention.
Fig. 2 is a power supply configuration diagram.
Fig. 3 is the CAN communication architecture diagram of the present invention.
Fig. 4 is an ethernet architecture diagram.
Fig. 5 is a diagram of a master plug-in.
Figure 6 is a drawing of the insert structure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same technical meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
As shown in the figures, the TVP-L2 universal product safety platform of the present invention is a plug-in type case structure, that is, the inside of the case includes a motherboard, and plug-ins are inserted into the motherboard. Specifically, as shown in fig. 1, the plug-in units on the motherboard include a group I computer, a group ii computer, and a recording plug-in unit, each group of computers includes a power plug-in unit, a digital input plug-in unit, a digital output plug-in unit, a communication plug-in unit, and a main control plug-in unit, and each of the digital input plug-in unit, the digital output plug-in unit, and the main control plug-in unit has a CPU. The power supply plug-in is used for receiving an external input power supply and converting the external input power supply into a power supply required by each internal plug-in; the digital quantity input plug-in is used for receiving switching value signals input by external equipment and transmitting the switching value signals to the main control plug-in; the communication plug-in is used for connecting external equipment; the digital quantity output plug-in is used for outputting the control information which needs to be output to the outside by the main control plug-in.
The system I computer and the system II computer are two completely independent and identical main and standby computer platforms, the main and standby computer platforms respectively receive external signals under normal conditions, synchronous two-system states are realized through inter-system communication, only one system outputs and the other system prohibits outputting, when one system fails, the system is prohibited from outputting but is switched to the other system to work, and the two systems only record plug-ins for sharing. When both systems fail, the platform leads to a specific safe output state.
Foretell the utility model discloses in:
the I system power plug-in is connected with the I system digital input plug-in, the I system digital output plug-in, the I system communication plug-in and the I system master plug-in for power supply; the power plug-in unit II is connected with the digital quantity input plug-in unit, the digital quantity output plug-in unit, the communication plug-in unit and the master control plug-in unit of the system II for power supply;
the system I power plug-in and the system II power plug-in are both connected with the recording plug-in for power supply;
the system I main control plug-in communicates with the digital quantity input plug-in and the digital quantity output plug-in of the system I through the CAN in the system I; the system II main control plug-in is in communication connection with the digital quantity input plug-in and the digital quantity output plug-in of the system II through the CAN in the system II;
the system I main control plug-in and the system II main control plug-in are connected through synchronous CAN communication;
the I-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet; and the II-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet.
Specifically, as shown in fig. 2, after an external power source enters a power plug-in of the system, a working power source is provided for the system through corresponding protection processing and isolation conversion, the power plug-in outputs 1 path of 24V-1 power source for the digital quantity input plug-in, the digital quantity output plug-in, the communication plug-in and the main control plug-in, outputs 1 path of 24V-2 power source for providing power source for some interfaces of the main control plug-in of the system, outputs 1 path of 24V-3 power source for supplying power to the recording plug-in, outputs 1 path of 15V-1 power source for supplying power to some interfaces of the main control of the system, and the power sources of the system I and the system II are completely and independently designed.
The power plug-in is an existing power plug-in, and can adopt an XM1316_ New Generation train operation monitoring System (LKJ) host unit power plug-in.
The utility model discloses a communication network divide into CAN communication network and ethernet communication network, and communication network adopts redundant framework, and wherein the trouble does not influence the normal operating of being expert at all the way, keeps the silence state of communication when singly being the trouble.
The CAN communication networks are divided into two groups, including an intra-group CAN communication network and a dual-group synchronous network, the two groups of networks are isolated from each other, and an isolation mode is not adopted in the group.
As shown in fig. 3, it is a CAN communication architecture diagram of the present invention. The system I main control plug-in communicates with the digital quantity input plug-in and the digital quantity output plug-in of the system I through two paths of double CAN in the system I; the system II main control plug-in is in communication connection with the digital quantity input plug-in and the digital quantity output plug-in of the system II through two paths of dual CAN in the system II; the I system main control plug-in and the II system main control plug-in are connected through synchronous double CAN communication to realize two systems synchronization.
As shown in fig. 4, the communication plug-in implements an ethernet communication network, and the communication plug-in at least includes a switch and each unit network card, and the ethernet network is designed with a redundant architecture, and the networks are independent of each other. The safety computers of I and II series are cross-redundant with the two series of switches. The external access equipment is directly connected with the I system switch and the II system switch respectively to realize network redundancy, and normal operation of the equipment is ensured when the single network is abnormal. As shown in the architecture diagram of fig. 4, the i-family network switch and the ii-family network switch are both connected to external devices, and the i-family network switch and the ii-family network switch are both connected to the i-family master plug-in and the ii-family master plug-in.
The communication plug-in can adopt an existing plug-in, such as a CPS-V9082ET plug-in (power).
The recording plug-in is used as a storage medium of the platform, and the existing storage plug-in can be selected.
As shown in fig. 5, the main control plug-in includes a CPU, the CPU is connected to a backplane connector through two CAN buses, connected to a digital quantity plug-in and a digital quantity plug-in for communication through the backplane connector, communicated with a CPU of another main control plug-in through another two CAN communication buses, connected to the backplane connector through two ethernet networks, and communicated with a communication plug-in, and meanwhile, connected to a PWM driving circuit and an MVB communication circuit, the PWM driving circuit being a signal conditioning circuit for amplifying a PWM signal sent by the CPU, the signal conditioning circuit being an existing circuit; meanwhile, the CPU is also connected with a signal conditioning circuit which converts a signal sent by the CPU into a signal of 0-20 mA, so that the CPU outputs the signal of-20 mA, and the signal conditioning circuit is an existing circuit. The CPU of the main control plug-in is also connected with a front panel indicator light, a memory, a flash memory and an NV RAM.
The digital quantity input plug-in is used for acquiring an external switching quantity signal, respectively acquiring and transmitting the external switching quantity signal to the main control plug-in after voltage division, filtering, shaping and isolation, and the digital quantity input plug-in is an existing plug-in, for example, an XM1316_ new generation train operation monitoring system (LKJ) host unit digital quantity input plug-in.
As shown in fig. 6, the digital output card is used for executing actions according to the master card signals and retrieving information to the master card. The digital measuring plug-in comprises a CPU, the CPU is connected with a motherboard connector through a switching value output circuit, a switching value signal is sent to external equipment through the motherboard connector, and meanwhile, the switching value output circuit is connected with a self-checking circuit which is connected with the CPU. The switching value output circuit is a relay circuit, when the relay is connected, a signal is output, when the relay is disconnected, the signal is not output, the self-checking circuit can be a wire, the signal output by the relay is directly transmitted to the CPU, and the CPU transmits the signal to the CPU of the main control plug-in.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (4)
- The TVP-L2 general product safety platform comprises two identical computer platforms arranged at the head and the tail of a vehicle, and is characterized in that: each computer platform comprises a computer platform I, a computer platform II and a recording plug-in, and each computer platform comprises a power plug-in, a digital input plug-in, a digital output plug-in, a communication plug-in and a master control plug-in;wherein the content of the first and second substances,the I system power plug-in is connected with the I system digital input plug-in, digital output plug-in, communication plug-in and master control plug-in for power supply; the power plug-in unit II is connected with the digital input plug-in unit, the digital output plug-in unit, the communication plug-in unit and the master control plug-in unit of the system II for power supply;the system I power plug-in and the system II power plug-in are both connected with the recording plug-in for power supply;the I system main control plug-in communicates with the I system digital input plug-in and digital output plug-in through the CAN in the I system; the system II main control plug-in is in communication connection with the digital input plug-in and the digital output plug-in of the system II through the CAN in the system II;the system I main control plug-in and the system II main control plug-in are connected through synchronous CAN communication;the I-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet; and the II-system main control plug-in is respectively in communication connection with the I-system communication plug-in and the II-system communication plug-in through two paths of Ethernet.
- 2. The TVP-L2 universal product security platform of claim 1, wherein: the communications plug-in includes a switch.
- 3. The TVP-L2 universal product security platform of claim 1, wherein: the digital measuring plug-in comprises a CPU (central processing unit), the CPU is connected with a switching value output circuit, and the switching value output circuit is connected with the CPU through a self-checking circuit.
- 4. The TVP-L2 universal product security platform of claim 1, wherein: the master plug-in includes a CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722307.XU CN213210748U (en) | 2020-08-18 | 2020-08-18 | TVP-L2 general product security platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021722307.XU CN213210748U (en) | 2020-08-18 | 2020-08-18 | TVP-L2 general product security platform |
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| Publication Number | Publication Date |
|---|---|
| CN213210748U true CN213210748U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021722307.XU Active CN213210748U (en) | 2020-08-18 | 2020-08-18 | TVP-L2 general product security platform |
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| CN (1) | CN213210748U (en) |
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- 2020-08-18 CN CN202021722307.XU patent/CN213210748U/en active Active
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