CN-224232174-U - Safety computer testing device

CN224232174UCN 224232174 UCN224232174 UCN 224232174UCN-224232174-U

Abstract

The utility model relates to a safety computer testing device which comprises a control host computer cage, a port switching machine cage, a signal conditioning machine cage and a programmable power supply, wherein the control host computer cage is respectively connected with a port switching module of the port switching machine cage and a tested safety computer, the signal conditioning machine cage is respectively connected with the port switching module of the port switching machine cage and the tested safety computer, and the programmable power supply is respectively connected with the control host computer cage and the tested safety computer. The utility model organically integrates the control host computer cage, the port switching cage, the signal conditioning cage and the program-controlled power supply, and the parts of the testing device provided by the utility model are separated into work clearly and cooperate with each other, so that the testing device can be used for single board testing, system testing and fault injection of a safety computer, can also be used for testing a TACS system, and can be used for more comprehensively verifying the safety, reliability and availability of the safety computer developed based on the TACS system.

Inventors

Hui Xiangli
REN ZHONGHUA
LIU JIANHUA
NIU YANXIA
LUAN QINGWEN

Assignees

中车青岛四方车辆研究所有限公司

Dates

Publication Date: 20260512
Application Date: 20250428

Claims (10)

1. The safety computer testing device is characterized by comprising a control host computer cage, a port switching cage, a signal conditioning cage and a programmable power supply; the control host computer cage is respectively connected with the port switching module of the port switching computer cage and the tested safety computer; the signal conditioning machine cage is respectively connected with the port switching module of the port switching machine cage and the tested safety computer; the programmable power supply is respectively connected with the control host computer cage and the tested safety computer.
2. The device of claim 1, wherein the control host cage comprises a control host and an expansion board card, the expansion board card is connected with a main board of the control host through a PCI/PCIe slot, and the expansion board card is connected with a port switching module of the port switching cage.
3. The device of claim 2, wherein the expansion board comprises a digital IO board, an AD acquisition board, a DA conversion board, a serial port communication board, and a CAN communication board; The digital IO measuring plate, the AD acquisition plate and the DA conversion plate are connected with corresponding plate cards in the signal conditioning machine cage through the port switching machine cage.
4. The device for testing a security computer according to claim 3, wherein the digital IO measuring board, the AD acquisition board, the DA conversion board, the serial port communication board, and the CAN communication board are all connected to the security computer to be tested.
5. The secure computer testing apparatus of claim 1, wherein the signal conditioning cage comprises a level shifter plate, a signal shifter plate, and a signal conditioning plate.
6. The security computer test device of claim 5, wherein the level shifter comprises a digital IO amount input board and a digital IO amount output board, and the signal conditioning board comprises at least one FPGA.
7. The security computer test device of claim 2 or 3, wherein the expansion board card comprises a digital IO measurement board, an AD acquisition board, and a DA conversion board; The signal conditioning cage comprises a level conversion plate, a signal conversion plate and a signal conditioning plate, the digital IO measuring plate is connected with the level conversion plate and the signal conditioning plate through the port switching cage, and the AD acquisition plate and the DA conversion plate are connected with the signal conversion plate through the port switching cage.
8. The safety computer testing device according to claim 1, wherein the control host cage communicates with the tested safety computer through a serial port communication interface and/or a CAN communication interface before, and IO (input/output) quantity communication is performed between the signal conditioning host cage and the tested safety computer.
9. The secure computer testing apparatus of claim 1, further comprising a cabinet, wherein the control host cage, port adapter cage, signal conditioning cage are all disposed in the cabinet.
10. The safety computer testing apparatus of claim 9, wherein the cabinet comprises a 3U chassis, a 4U chassis, and a 6U chassis, the control host cage is disposed in the 4U chassis, the signal conditioning cage is disposed in the 6U chassis, and the port adapter cage is disposed in the 3U chassis.

Description

Safety computer testing device Technical Field The utility model belongs to the technical field of railway vehicles, and particularly relates to a safety computer testing device. Background The TACS system is based on train-to-train communication, adopts the concept of resource management, and is characterized by deep fusion of signal vehicles, so that the transition from automatic operation to autonomous operation of the train is realized. In the TACS system, the trackside equipment is simplified to be a ground target controller controlled by a vehicle-mounted controller, and the vehicle-mounted controller bears the functions of interlocking control and safety protection. In order to meet the performance requirements of vehicle controllers and ground object controllers, a more powerful secure computer platform is needed. The safety computer platform testing device is used for simulating the running environment of the safety computer when the train runs in the development process of the safety computer, so that the development quality of the safety computer platform is ensured. However, the existing testing device for the secure computer platform generally has the defect of single function, and can only verify the security, reliability and availability of a certain aspect of the secure computer platform, and cannot adapt to the running environment simulation requirement of the secure computer platform developed based on the TACS system. Disclosure of utility model The utility model aims to solve one of the technical problems, and provides a safety computer testing device which adopts a commercial goods shelf device design, and can be used for testing a single board, a system and fault injection of a safety computer and also can be used for testing a TACS system. In order to achieve the above purpose, the utility model adopts the following technical scheme: A safety computer testing device comprises a control host computer cage, a port switching cage, a signal conditioning cage and a programmable power supply; the control host computer cage is respectively connected with the port switching module of the port switching computer cage and the tested safety computer; The signal conditioning machine cage is respectively connected with the port switching module of the port switching machine cage and the tested safety computer; The programmable power supply is respectively connected with the control host computer cage and the tested safety computer. In some embodiments of the utility model, the control host cage comprises a control host and an expansion board card, wherein the expansion board card is connected with a main board of the control host, and the expansion board card is connected with a port switching module of the port switching cage. In some embodiments of the present utility model, the expansion board card includes a digital IO measuring board, an AD acquisition board, a DA conversion board, a serial port communication board, and a CAN communication board; The digital IO measuring plate, the AD acquisition plate and the DA conversion plate are all connected with corresponding plate cards in the signal conditioning cage through the port conversion cage. In some embodiments of the utility model, the digital IO measuring board, the AD acquisition board, the DA conversion board, the serial port communication board and the CAN communication board are all connected with the tested security computer. In some embodiments of the utility model, the signal conditioning cage includes a level shifter plate, a signal shifter plate, and a signal conditioning plate. In some embodiments of the utility model, the level conversion board comprises a digital IO quantity input board and a digital IO quantity output board, and the signal conditioning board comprises at least one FPGA. In some embodiments of the present utility model, the expansion board card includes a digital IO measuring board, an AD acquisition board, and a DA conversion board; The signal conditioning machine cage comprises a level conversion plate, a signal conversion plate and a signal conditioning plate, wherein the digital IO measuring plate is connected with the level conversion plate and the signal conditioning plate through the port conversion machine cage, and the AD acquisition plate and the DA conversion plate are connected with the signal conversion plate through the port conversion machine cage. In some embodiments of the utility model, the control host computer cage communicates with the tested safety computer through the serial port communication interface and/or the CAN communication interface before, and the signal conditioning cage communicates with the tested safety computer through IO (input/output) quantity. In some embodiments of the present utility model, the system further comprises a cabinet, wherein the control host cage, the port switching cage and the signal conditioning cage are all arranged in the cabinet. In some embodiments