CN103760443A - Board card automatic testing system and testing method thereof - Google Patents
Board card automatic testing system and testing method thereof Download PDFInfo
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- CN103760443A CN103760443A CN201410034877.2A CN201410034877A CN103760443A CN 103760443 A CN103760443 A CN 103760443A CN 201410034877 A CN201410034877 A CN 201410034877A CN 103760443 A CN103760443 A CN 103760443A
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Abstract
The invention discloses a board card automatic testing system and a testing method thereof. The automatic testing system comprises an industrial personal computer and a plurality of tested board cards, and further comprises a testing interface board. The testing interface board is provided with interfaces matched with the tested board cards, and the interfaces are used for being connected with the tested board cards with corresponding interfaces. The industrial personal computer is connected to the testing interface board through a communication interface. The industrial personal computer calls a detection program which is transmitted to the tested board cards through the testing interfaces. The automatic testing system of the board cards can be used for testing a plurality of board cards with different interfaces at the same time, the production cycle is shortened, and the board card production efficiency is improved. The testing method of the board card automatic testing system can monitor and store testing data of the tested board cards in real time, the testing data and testing states of the tested board cards are stored in the industrial personal computer, and errors can be conveniently tracked when errors of board card testing occur.
Description
Technical field
The present invention relates to a kind of communication system and method for testing, particularly a kind of board Auto-Test System and method of testing thereof.
Background technology
Board is due to the function difference of interface difference and utilization, the board of each class identical function and same-interface all to be made to a set of test fixture (test fixture refers to for detection of board property indices under normal circumstances, a set of testing apparatus of the test such as ageing properties, the electronic circuit board performance of for example switching on), in test fixture, need to develop corresponding software test program and hardware environment equipment for each class board.So not only lengthen the cycle that board is produced, and increased R&D costs.This external board completes needs after test the test procedure on board to wipe the working routine of reburning when writing board and dispatching from the factory, and has so not only increased the operation that board is produced, and extends the board production cycle, and then board production efficiency is low.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of board Auto-Test System and method of testing thereof, can test for the board of distinct interface and difference in functionality demand, and can to the board of polylith distinct interface and difference in functionality, test simultaneously, shorten the production cycle of board, reduced R&D costs.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of board Auto-Test System, comprise industrial computer and some tested boards, also include a test interface plate, described test interface plate is provided with the tested board that is connected corresponding interface with the interface of tested board coupling, and described industrial computer is connected to test interface plate by communication interface.
Preferably, described tested board is arranged on test machine cage, described test machine cage includes a backboard for described tested board power supply, described backboard is provided with slot, described tested board and test interface plate assign on the slot of backboard, and the line of tested board and test interface plate is by backboard cabling.
Preferably, every tested board is connected with an excitation board, and described excitation board assigns on the slot of test machine cage backboard.
Preferably, described tested board comprises sensor board and I/O board, the interface of described test interface plate includes communication interface, sensor interface and I/O interface, wherein, communication interface on described test interface plate connects the communication interface on industrial computer, described sensor interface connecting sensor board, described I/O interface connects I/O board.
Improved, described I/O board is calculated digital input card and the digital output card of machine platform for safety reasons, the excitation board that digital output card is digital input card.
A kind of method of testing of board Auto-Test System, comprise a test interface plate for carry out data interaction between industrial computer and some tested boards, test interface plate is connected in test machine cage, method of testing comprises the following steps, first, industrial computer is written into universal test storehouse, according to the demand of tested board, from industrial computer, downloads corresponding test procedure, tested board is arranged in test machine cage and and described test interface board communications;
Secondly, industrial computer is sent and starts the tested board of the test command control test procedure that brings into operation to tested board by test interface plate, test interface plate receives the feedback data of tested board and in real time feedback data is sent in industrial computer, and industrial computer is preserved test execution state and judges test result according to feedback data record.
As further optimization, when tested board operation test procedure, in industrial computer, move accordingly trace routine simultaneously and coordinate to send test command and test data.
As further optimization, in described test interface plate, according to tested board demand, pre-set test item, described test library modular design, carries out module classification according to test item, and tested board is downloaded required module and combines from test library.
As further optimization, the data transmission procedure between described industrial computer, test interface plate and tested board is:
Industrial computer sends specific test command and test data to test interface plate;
Test interface buttress carries out pre-designed test item according to test command and tested board is mutual;
Test command and data that tested board test procedure sends according to test interface plate, carry out corresponding operation feedback data;
Test interface plate sends the data of tested board feedback in real time to industrial computer.
Adopt after technique scheme, tool of the present invention has the following advantages:
A kind of board Auto-Test System of the present invention comprises a test interface plate, described test interface plate is provided with the interface matching from different board interfaces, make described Auto-Test System can be applicable to the board of difference in functionality and different interface type, shorten the production cycle of board, reduced production cost.The method of testing of described board Auto-Test System is applied in described board Auto-Test System, by being arranged on the debugged program of test interface plate, can test the board of polylith difference in functionality simultaneously, and complete the program of dispatching from the factory that directly writes board after test by industrial computer, reduce the operation steps that board is produced, shortened board test and production cycle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is Auto-Test System elementary diagram of the present invention;
Fig. 2 is the test loop figure of method of testing of the present invention;
Fig. 3 is test machine basket structure schematic diagram.
Embodiment
As shown in figures 1 and 3, a kind of board Auto-Test System, comprise industrial computer and some tested boards 2, as shown in Figure 1, include tested board one and tested board two, also include a test interface plate, described test interface plate is provided with the tested board 2 that the interface mating with tested board one and tested board two is connected corresponding interface, and described industrial computer is connected to test interface plate by communication interface.On test interface plate 2, be provided with the interface of different model, workman can check that after the prospectus of tested board, the model according to tested board interface is connected to tested board on the interface of test interface plate 2.Dissimilar tested board 2 is patched on interface corresponding to test interface plate, industrial computer carries out communication by communication interface and test interface plate, sending controling instruction exports trace routine on tested board 2 to by test interface plate, and tested board 2 is detected.By industrial computer, call trace routine, by Ethernet, transfer on tested board, automatically form a set of test macro.Described test interface board has several distinct interfaces, so can patch the tested board of distinct interface simultaneously, the tested board of polylith is tested, and has shortened board test period, has improved the production efficiency of board.Industrial computer comprises display device, keyboard input devices and main computer unit.Display device, for showing factory's veneer state of the current test of test automatically, when single-board testing breaks down, can show the warning message of corresponding failure, for single-board testing personnel, does corresponding processing.Keyboard input devices, for to controlling and starting autotest program, is processed test procedure editor and accordingly result.
As a kind of preferred implementation, referring to Fig. 3, described tested board 2 is arranged on test machine cage 1, described test machine cage 1 includes a backboard of powering for described tested board 2, described backboard is provided with slot, described tested board 2 and test interface plate assign on the slot of backboard, and the line of tested board 2 and test interface plate is by backboard cabling.Described tested board 2 and test interface plate are all connected on the slot of backboard of test machine cage 1, facilitated the tested board 2 of polylith to be connected with test interface plate simultaneously, and whole system convenient in carrying, and tested board installation and removal are convenient, in workman's production test procedure, accelerated process.By the unified power supply of backboard, without every tested board 2 is powered separately, convenient connection, and the intensive device of having simplified.In conjunction with Fig. 1, tested board 2 one respectively by being connected with plate excitation board one and excitation board two, sends excitation signal by excitation board one and excitation board two with tested board two, and the trace routine that industrial computer sends detects board.Every tested board 2 is connected with an excitation board, and described excitation board assigns on the slot of test machine cage 1 backboard, is conducive to the optimization of test machine cage 1 wiring, simplifies the Interface design of test machine cage.
Described tested board comprises sensor board and I/O board, the interface of described test interface plate includes communication interface, sensor interface and I/O interface, wherein, communication interface on described test interface plate connects the communication interface on industrial computer, described sensor interface connecting sensor board, described I/O interface connects I/O board.Described communication interface mainly refers to PCI communication interface, CAN communication interface, Ethernet interface, SPI communication interface, RS422/RS485 communication interface etc.; Sensor interface mainly refers to AD/DA interface, speed pickup interface, acceleration transducer interface, beacon sensor interface etc.; I/O interface mainly refers to digital-quantity input interface and digital-quantity output interface.Workman can first check board prospectus when carrying out board test, determines interface type, then board is patched on the interface that test interface plate is corresponding.
As a kind of preferred implementation, described I/O board is calculated digital input card and the digital output card of machine platform for safety reasons, the excitation board that digital output card is digital input card.When carrying out the test of safety computer platform digital input card and digital output card, digital output card meets the requirement as driving source, can be connected with the digital input card in safety computer platform, save the excitation board when the digital input card of test safety computer platform, saved cost of development.
Referring to Fig. 2, a kind of method of testing of board Auto-Test System, comprise a test interface plate for carry out data interaction between industrial computer and some tested boards, test interface plate is connected in test machine cage, comprise the following steps, first, industrial computer is written into universal test storehouse, according to the demand of tested board, from industrial computer, download corresponding test procedure, tested board is arranged in test machine cage and and described test interface board communications;
Secondly, industrial computer is sent and starts the tested board of the test command control test procedure that brings into operation to tested board by test interface plate, test interface plate receives the feedback data of tested board and in real time feedback data is sent in industrial computer, and industrial computer is preserved test execution state and judges test result according to feedback data record.
By the method for testing of described board Auto-Test System, the universal test storehouse of industrial computer includes the trace routine that runs on industrial computer main frame and two parts of test procedure that run on tested single board.The test procedure that applies to tested board is downloaded on tested board.By workman, call the test procedure in industrial computer main frame, send test command, by interface corresponding to test interface plate, be sent on corresponding tested board, at tested board, move test, tested board sends test data in operation test and test mode is back to industrial computer.Owing to can connect some boards on test interface plate simultaneously, so can test some boards simultaneously, accelerated testing progress.In addition when carrying out board test, board feeds back to test interface plate by test data, then by industrial computer, the test data of the tested board of correspondence and test mode are saved in the database of industrial computer inside, facilitate searching of staff, when finding that tested board is wrong, conveniently mistake is followed the tracks of and processed.
As a kind of preferred implementation, in described test interface plate, according to tested board demand, pre-set test item, described test library modular design, carries out module classification according to test item, and tested board is downloaded required module and combines from test library.Choosing on industrial computer main frame after required module, the trace routine of test item in can Automatic Combined respective modules, sends into trace routine on the interface of corresponding tested board.
As a kind of preferred implementation, the data transmission procedure between described industrial computer, test interface plate and tested board is:
Industrial computer sends specific test command and test data to test interface plate;
Test interface buttress carries out pre-designed test item according to test command and tested board is mutual;
Test command and data that tested board test procedure sends according to test interface plate, carry out corresponding operation feedback data;
Test interface plate sends the data of tested board feedback in real time to industrial computer.
As a kind of preferred implementation, can automatically according to the trace routine on the industrial computer main frame calling, form a set of test macro, convenient test, and can move many cover test procedures simultaneously.After completing test, by industrial computer main frame, the program burn writing that directly will dispatch from the factory enters in board, and workman does not need again to wipe the test procedure in board, has reduced the operation steps that board is produced, and has improved production efficiency.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make according to the present invention various changes and distortion, only otherwise depart from spirit of the present invention, all should belong to the defined scope of claims of the present invention.
Claims (9)
1. a board Auto-Test System, comprise industrial computer and some tested boards (2), it is characterized in that: also include a test interface plate, described test interface plate is provided with the tested board (2) that is connected corresponding interface with the interface of tested board (2) coupling, and described industrial computer is connected to test interface plate by communication interface.
2. board Auto-Test System according to claim 1, it is characterized in that: described tested board (2) is arranged on test machine cage (1), described test machine cage (1) includes a backboard for described tested board (2) power supply, described backboard is provided with slot, described tested board (2) and test interface plate assign on the slot of backboard, and the line of tested board (2) and test interface plate is by backboard cabling.
3. board Auto-Test System according to claim 2, is characterized in that: every tested board (2) is connected with an excitation board, and described excitation board assigns on the slot of test machine cage (1) backboard.
4. board Auto-Test System according to claim 3, it is characterized in that: described tested board comprises sensor board and I/O board, the interface of described test interface plate includes communication interface, sensor interface and I/O interface, wherein, communication interface on described test interface plate connects the communication interface on industrial computer, described sensor interface connecting sensor board, described I/O interface connects I/O board.
5. board Auto-Test System according to claim 4, is characterized in that: described I/O board is calculated digital input card and the digital output card of machine platform for safety reasons, the excitation board that digital output card is digital input card.
6. the method for testing of a board Auto-Test System, comprise a test interface plate for carry out data interaction between industrial computer and some tested boards, test interface plate is connected in test machine cage, it is characterized in that: comprise the following steps, first, industrial computer is written into universal test storehouse, according to the demand of tested board, from industrial computer, downloads corresponding test procedure, tested board is arranged in test machine cage and and described test interface board communications;
Secondly, industrial computer is sent and starts the tested board of the test command control test procedure that brings into operation to tested board by test interface plate, test interface plate receives the feedback data of tested board and in real time feedback data is sent in industrial computer, and industrial computer is preserved test execution state and judges test result according to feedback data record.
7. the method for testing of described board Auto-Test System according to claim 6, is characterized in that: when tested board operation test procedure, move accordingly trace routine simultaneously and coordinate to send test command and test data in industrial computer.
8. the method for testing of described board Auto-Test System according to claim 6, it is characterized in that: in described test interface plate, according to tested board demand, pre-set test item, described test library modular design, according to test item, carry out module classification, tested board is downloaded required module and combines from test library.
9. the method for testing of described board Auto-Test System according to claim 6, is characterized in that: the data transmission procedure between described industrial computer, test interface plate and tested board is:
1) industrial computer sends specific test command and test data to test interface plate;
2) test interface buttress is carried out pre-designed test item according to test command and tested board is mutual;
3) tested board test procedure sends according to test interface plate test command and data, carry out corresponding operation feedback data;
4) test interface plate sends the data of tested board feedback in real time to industrial computer.
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Application publication date: 20140430 |