CN204347152U - A kind of Multi-bus circuit board test diagnosis system - Google Patents
A kind of Multi-bus circuit board test diagnosis system Download PDFInfo
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- CN204347152U CN204347152U CN201420749044.XU CN201420749044U CN204347152U CN 204347152 U CN204347152 U CN 204347152U CN 201420749044 U CN201420749044 U CN 201420749044U CN 204347152 U CN204347152 U CN 204347152U
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Abstract
The utility model discloses a kind of Multi-bus circuit board test diagnosis system, for functional test and the fault diagnosis of the inner board of ruggedized computer or industrial computer.The utility model comprises industry control primary module, programmable logic device (PLD), board under test slot etc. on the main control computer of ATE (automatic test equipment) inside, programmable power supply, all kinds of testing tool and test adapter.During test, main control computer controls programmable power supply and powers to the main control module on test adapter and Devices to test.After industry control primary module starts, receive and according to the instruction of main control computer, read-write operation done to awaiting board card, controlling the duty of board under test.Main control computer measures the output signal of Devices to test again by testing tool, process by analysis, judges that whether Devices to test work is normal, localizing faults reason.Feature of the present utility model is the intercommunication mutually achieving ATE (automatic test equipment) and PCI, ISA or MULTIBUS bus awaiting board card, and cost is low, is easy to exploitation.
Description
Technical field
The utility model belongs to the testing and diagnosing technical field of PCI, ISA and MULTIBUS bus board, specifically relate to a kind of Multi-bus circuit board test diagnosis system, be mainly used in functional test and the fault diagnosis of ruggedized computer or the inner board of industrial computer.
Background technology
PCI, MULTIBUS and isa bus are main computer operating buses, and a large amount of computer cards is all based on these three kinds of bus developments.Because bus protocol is complicated, transfer rate is high, usually has following two kinds of methods to realize the communication with bus board:
1) in ATE (automatic test equipment), add a block I/O board, controlled the state of every road I/O by software programming, emulation bus agreement, communicates with board.The shortcoming of this method is that software debugging workload is large, and efficiency is low.I/O board common in addition can communicate with MULTI-BUS, isa bus, but is difficult to communicate with pci bus.
2) adopt bus protocol analyser class board can easily with various bus communication, and the contents such as the sequential of communication protocol can be checked.But the shortcoming of such board is cost intensive, about 20,000 dollars of every block.
Due to PCI, MULTIBUS and isa bus agreement complexity, transfer rate is high, in automatic test diagnostic device, there is workload greatly in the communication means of general employing, efficiency is low, is difficult to realize, or high in cost of production shortcoming, the needs of inapplicable test diagnosis equipment exploitation.The utility model, on original test diagnosis system basis, adds a single board computer system and a programmable logic device (PLD), realizes to the test of PCI, ISA or MULTIBUS bus board, having cost low, the features such as software development workload estimate is little.
Utility model content
In order to solve PCI, MULTIBUS and isa bus, to there is workload large, and efficiency is low, is difficult to realize or high in cost of production technical matters, and the utility model provides a kind of Multi-bus circuit board test diagnosis system.
The technical solution of the utility model is as follows:
A kind of Multi-bus circuit board test diagnosis system, comprises ATE (automatic test equipment) and test adapter two parts; It is characterized in that: there are main control computer, programmable power supply, testing tool and the test bus intercomed mutually in described ATE (automatic test equipment) inside; Described test adapter mainly contains the slot of industry control primary module, programmable logic device (PLD) and all kinds of board under test; Main control computer is communicated with industry control primary module by communication bus; Described industry control primary module is connected with MULTIBUS board under test by programmable logic device (PLD).
In a preferred technical scheme, described industry control primary module is the single board computer of subsidiary PCI or ISA main control module.
In a preferred technical scheme, described ATE (automatic test equipment) leaves electrical connection slot, can test adapter be inserted, realize intercoming mutually.
In a preferred technical scheme, described main control computer is positioned at ATE (automatic test equipment) interior of equipment cabinet, comprises main frame, display, keyboard and mouse.
In a preferred technical scheme, described testing tool comprises oscillograph, multimeter, signal generator.
In a preferred technical scheme, described test adapter is provided with the board to board connector between industry control primary module and board under test, and realizes the electrical connection of pci bus or isa bus board under test and industry control primary module respective bus by described board to board connector.
The testing and diagnosing software that main control computer of the present utility model runs, control whole test process, by test bus control instrument, necessary excitation is applied to awaiting board card, and receive testing tool test data, process by analysis, make last diagnostic conclusion.
Industry control primary module on test adapter is single board computer, general attaches PCI or isa bus, can communicate with PCI or isa bus board, but can not with MULTIBUS bus communication.The utility model have employed a slice programmable logic device (PLD), realizes the mutual conversion of isa bus and MULTIBUS bus protocol.Software aspect, industry control primary module can install the driver of the operating systems such as Win XP, Linux, Vxworks and Board Under Test, then does secondary software exploitation, realizes following function:
1), after start, initiatively send and get out instruction.Because industry control primary module does not have external-connection displayer, cannot judge whether that startup is complete, therefore start backward main control computer and show that startup is complete, new steering order can be received;
2) according to main control computer instruction, read-write operation is done to board under test.Industry control primary module according to primary module instruction, need do various read-write operation to board under test, controls the duty of board under test, if desired, to main control computer feedback read-write result.
This is suitable for novel on original test diagnosis system basis, adds a single board computer system and a programmable logic device (PLD) and achieves communicating of main control computer and Board Under Test, have development amount little, the features such as cost is low.
Accompanying drawing explanation
Fig. 1 is general frame figure of the present utility model;
Fig. 2 is functional test process flow diagram of the present utility model;
Fig. 3 is Troubleshooting Flowchart of the present utility model.
Embodiment
A kind of Multi-bus circuit board test diagnosis system of the present utility model is described in detail below in conjunction with Figure of description 1 ~ 3 and embodiment.
The utility model general structure as shown in Figure 1, comprises ATE (automatic test equipment) and test adapter two parts.There are main control computer, programmable power supply, all kinds of testing tool and the test bus intercomed mutually in ATE (automatic test equipment) inside.Test adapter mainly contains the slot of industry control primary module, programmable logic device (PLD) and all kinds of board under test.Main control computer communicates with industry control primary module by communication bus.
Main control computer is positioned at ATE (automatic test equipment) interior of equipment cabinet, and comprising main frame, display, keyboard and mouse etc., is the kernel control chip of this patent.The testing and diagnosing software that it runs, controls whole test process, applies necessary excitation by test bus control instrument to awaiting board card, and receives the test data of testing tool or artificial input, processes by analysis, makes last diagnostic conclusion.
Various testing tool comprises oscillograph, multimeter, signal generator etc.They are communicated with main control computer by test bus.Under main control computer controls, testing tool can measure the various types of signal of board under test, and test result is fed back to main control computer.
Testing and diagnosing software is visual testing program the integration environment, is divided into development platform and operation platform.Development platform mainly developer uses, and through data modeling, Test Strategy editor, to be resource matchedly connected with compiling, finally and generate executable test procedure.Operation platform mainly operating personnel uses, and can be loaded into test procedure, diagnose after tested according to testing requirement, generates test result report.
Industry control primary module on test adapter selects single board computer, and such module volume is little, lightweight, is arranged on interface adaptation board and does not take too large volume and weight.Industry control primary module generally attaches PCI or isa bus, can directly communicate with PCI or isa bus board, but can not with MULTIBUS bus communication, therefore this patent have employed a slice programmable logic device (PLD), realizes the mutual conversion of isa bus and MULTIBUS bus protocol.Software aspect, industry control primary module can install the driver of the operating systems such as Win XP, Linux, Vxworks and Board Under Test, then does secondary software exploitation, realizes following function:
1), after start, initiatively send and get out instruction.Because industry control primary module does not have external-connection displayer, cannot judge whether that startup is complete, therefore start backward main control computer and show that startup is complete, new steering order can be received;
2) according to main control computer instruction, read-write operation is done to board under test.Industry control primary module according to primary module instruction, need do various read-write operation to board under test, controls the duty of board under test, if desired, to main control computer feedback read-write result.
During test, operating personnel, first according to the prompting of testing software, insert test adapter the associated socket of ATE (automatic test equipment), board under test couple in adapter.Testing software, again according to testing requirement, controls programmable power supply and powers to test adapter.After industry control primary module starts, test can be continued, read-write operation is done to awaiting board card, control the duty of board under test, then measure the output signal of Devices to test by testing tool, process by analysis, judge that whether Devices to test work is normal.
The utility model is adopted to implement the flow process of concrete function test as shown in Figure 2:
Step 1: test diagnosis equipment powers on automatically, and opens the switch of all kinds of testing tool and programmable power supply in testing apparatus;
Step 2: testing results diagnostic software platform, opens the test procedure of corresponding board under test;
Step 3: check box selects " functional test ", clicks " determination ";
Step 4: click " RUN " button, start whole testing process;
Step 5: according to the prompting of testing software, inserts slot board under test adapter, board under test is inserted adapter, and connecting test cable, click " determination ", continue test;
Step 6: operate according to the prompting of testing software, testing software can test automatically to board, and outputs test result, until test terminates;
Step 7: testing software prompting is completed, and provides test result;
Step 8: shut down computer on request and all kinds of instrument power source;
Step 9: close total power switch;
Step 10: terminate.
The utility model is adopted to implement the flow process of concrete fault diagnosis as shown in Figure 3:
Step 1: test diagnosis equipment powers on automatically, and opens all kinds of testing tool and programmable power supply switch in testing apparatus;
Step 2: testing results diagnostic software platform, opens the fault diagnostic program of corresponding board under test;
Step 3: check box selects " fault diagnosis ", clicks " determination ";
Step 4: select the fault mode occurred;
Step 5: click " RUN " button, starts testing process;
Step 6: according to the prompting of testing software, inserts slot board under test adapter, board under test is inserted adapter, and connecting test cable, click " determination ", continue test;
Step 7: according to testing software prompting, adopts testing tool manually to carry out test operation, and inputs corresponding test result;
Step 8: after being completed, testing software by analysis, provides diagnosis;
Step 9: test terminates, shuts down computer and all kinds of instrument power source on request;
Step 10: close total power switch;
Step 11: terminate.
Claims (6)
1. a Multi-bus circuit board test diagnosis system, comprises ATE (automatic test equipment) and test adapter two parts; It is characterized in that: there are main control computer, programmable power supply, testing tool and the test bus intercomed mutually in described ATE (automatic test equipment) inside; Described test adapter mainly contains the slot of industry control primary module, programmable logic device (PLD) and all kinds of board under test; Main control computer is communicated with industry control primary module by communication bus; Described industry control primary module is connected with MULTIBUS board under test by programmable logic device (PLD).
2. a kind of Multi-bus circuit board test diagnosis system according to claim 1, is characterized in that: described industry control primary module is the single board computer of subsidiary PCI or ISA main control module.
3. a kind of Multi-bus circuit board test diagnosis system according to claim 1 and 2, is characterized in that: described ATE (automatic test equipment) leaves electrical connection slot, can insert test adapter, realizes intercoming mutually.
4. a kind of Multi-bus circuit board test diagnosis system according to claim 1 and 2, is characterized in that: described main control computer is positioned at ATE (automatic test equipment) interior of equipment cabinet, comprises main frame, display, keyboard and mouse.
5. a kind of Multi-bus circuit board test diagnosis system according to claim 1 and 2, is characterized in that: described testing tool comprises oscillograph, multimeter, signal generator.
6. a kind of Multi-bus circuit board test diagnosis system according to claim 1 and 2, it is characterized in that: described test adapter is provided with the board to board connector between industry control primary module and board under test, and realize the electrical connection of pci bus or isa bus board under test and industry control primary module respective bus by described board to board connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749044.XU CN204347152U (en) | 2014-12-04 | 2014-12-04 | A kind of Multi-bus circuit board test diagnosis system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749044.XU CN204347152U (en) | 2014-12-04 | 2014-12-04 | A kind of Multi-bus circuit board test diagnosis system |
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| CN204347152U true CN204347152U (en) | 2015-05-20 |
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| CN201420749044.XU Expired - Fee Related CN204347152U (en) | 2014-12-04 | 2014-12-04 | A kind of Multi-bus circuit board test diagnosis system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372536A (en) * | 2015-12-07 | 2016-03-02 | 成都锐能科技有限公司 | Aviation electronic universal test platform |
| CN108802538A (en) * | 2018-07-12 | 2018-11-13 | 深圳市极致汇仪科技有限公司 | A kind of instrument diagnostic method and its system applied to comprehensive tester |
| CN112557872A (en) * | 2020-11-27 | 2021-03-26 | 瑞泰新时代(北京)科技有限公司 | Board card testing method and board card testing tool |
-
2014
- 2014-12-04 CN CN201420749044.XU patent/CN204347152U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105372536A (en) * | 2015-12-07 | 2016-03-02 | 成都锐能科技有限公司 | Aviation electronic universal test platform |
| CN105372536B (en) * | 2015-12-07 | 2018-06-01 | 成都锐能科技有限公司 | Aviation electronics general-utility test platform |
| CN108802538A (en) * | 2018-07-12 | 2018-11-13 | 深圳市极致汇仪科技有限公司 | A kind of instrument diagnostic method and its system applied to comprehensive tester |
| CN108802538B (en) * | 2018-07-12 | 2020-06-26 | 深圳市极致汇仪科技有限公司 | Instrument diagnosis method and system applied to comprehensive tester |
| CN112557872A (en) * | 2020-11-27 | 2021-03-26 | 瑞泰新时代(北京)科技有限公司 | Board card testing method and board card testing tool |
| CN112557872B (en) * | 2020-11-27 | 2023-08-11 | 瑞泰新时代(北京)科技有限公司 | Board card testing method and board card testing tool |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20211204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |