High-temperature burn-in test method, control end, tool end and system for iMS-CPU board

A test method and technology of the control terminal, which is applied in the field of control terminal, tooling terminal and system, and high-temperature copying machine test, which can solve the problems of undetectable disconnection, bulky, complicated test process, etc.

Pending Publication Date: 2021-04-27
SHANGHAI RAILWAY COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The test system is not only complicated in the test process, but also unable to monitor the CAN communication status in a high temperature environment in real time, even when the iMS-CPU board is disconnected at a certain high temperature, it cannot be detected
It makes the test results appear false and missing, which is not easy to troubleshoot
Moreover, the existing single-disk test tool is bulky and heavy, and can only test one iMS-CPU board at a time, which is inefficient and the connection between devices is also very cumbersome

Method used

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  • High-temperature burn-in test method, control end, tool end and system for iMS-CPU board
  • High-temperature burn-in test method, control end, tool end and system for iMS-CPU board
  • High-temperature burn-in test method, control end, tool end and system for iMS-CPU board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] This embodiment provides a high-temperature copying test system for an iMS-CPU board, including a control terminal and a tooling terminal. The circuit structure of the test system is as follows figure 1 Shown:

[0044] The tooling side includes the power supply unit, three high-temperature copying machine cages and the iMS-CPU board to be tested. Among them, the power supply unit outputs two independent 5V voltage signals and one 24V voltage signal for each high-temperature copying machine cage, and the two independent 5V voltage signals provide power for the iMS-CPU communication and the internal chip of the iMS-CPU board card, and the 24V voltage The signal is used to power the cage. Insert 10 iMS-CPU boards into each high-temperature copying machine cage for simultaneous testing. The back panel of the cage is equipped with a power inlet, a CAN communication interface, and an analog input port. The control terminal adopts a PC with a display, and is connected to th...

Embodiment 2

[0061] This embodiment provides a tooling end for high-temperature copying test of iMS-CPU board, including:

[0062] Tooling initialization module, used for data initialization;

[0063] The tooling receiving module is used to judge whether the first type of data frame is received;

[0064] The address matching module responds when the tooling receiving module receives the first type of data frame, and is used to judge whether the CAN address in the received first type of data frame is the same as the CAN address of the iMS-CPU board loaded on the tooling side;

[0065] The tooling processing module is used to judge whether the data information in the received first type data frame is correct;

[0066] The alarm module responds when the data information judged by the tooling processing module is wrong, and is used to send alarm information;

[0067] The tooling sending module responds when the data information judged by the tooling processing module is correct, and is used ...

Embodiment 3

[0076] This embodiment provides a control terminal for high-temperature copying test of iMS-CPU board, including:

[0077] The control initialization module is used for data initialization;

[0078] Self-inspection module, used to detect whether the connection of the test line is correct;

[0079] Control the sending module, used to send the first type of data frame;

[0080] The control receiving module is used to judge whether the second type of data frame is received, and if the reception is successful, the control processing module is triggered; if the reception fails, the second type of data frame is skipped, and the stop judgment module is triggered;

[0081] The control processing module is used to judge whether the data information in the second type of data frame received is correct, if so, then display the correct data on the display at the control end, and trigger the stop judging module; if not, then trigger the abnormal data recording module ;

[0082] The stop...

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Abstract

The invention relates to a high-temperature burn-in test method, a control end, a tool end and a system for an iMS-CPU board. The test method comprises the steps that a control end sends a first type of data frame to a tool end, the CAN address in the data frame positions that the control end communicates with an iMS-CPU board matched with the CAN address, the control end carries out multiple times of cyclic polling detection, the iMS-CPU board with the corresponding CAN address responds, and a second type of data frame is returned to the control end. Compared with the prior art, the CAN communication state of the iMS-CPU board in the high-temperature environment is monitored in the whole process, the situation that the iMS-CPU board works abnormally in the high-temperature environment and cannot be monitored is avoided, and the test result is more complete and accurate.

Description

technical field [0001] The invention relates to the field of high-temperature testing of an iMS-CPU board, in particular to a high-temperature copying test method, a control terminal, a tooling terminal and a system for an iMS-CPU board. Background technique [0002] The iMS-CPU board is used for command control and data processing of the monitoring and collecting machine system. It is the most important core component of the monitoring and collecting machine, and its working status directly affects the operation of the entire system. The communication between the iMS-CPU board and the logic control center and other module boards is through the CAN bus interface. In order to detect the CAN communication connection status of the iMS-CPU board and ensure its normal operation, the high temperature environment It is of great significance to test the working performance under the condition. [0003] At present, the hardware equipment of the high-temperature copying system for iM...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/22H04L12/26H04L12/40H04L12/403
CPCG06F11/221G06F11/2273H04L12/40H04L12/403H04L43/0805
Inventor 张稳稳周红阳谷素琴曹颖萍吴玉洋张玉娟苏天放
Owner SHANGHAI RAILWAY COMM
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