CN203054825U - Automatic test system of main control computer - Google Patents
Automatic test system of main control computer Download PDFInfo
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- CN203054825U CN203054825U CN 201320018489 CN201320018489U CN203054825U CN 203054825 U CN203054825 U CN 203054825U CN 201320018489 CN201320018489 CN 201320018489 CN 201320018489 U CN201320018489 U CN 201320018489U CN 203054825 U CN203054825 U CN 203054825U
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Abstract
The utility model relates to an automatic test system of a main control computer. The automatic test system of the main control computer aims to adapt to the needs of the automatic test of the main control computer. The RS422/485 serial port signal output end of the industrial personal computer of the automatic test system of the main control computer is connected with the RS422/485 serial port signal input end of a signal transformation control circuit. A 1553B bus communication module is used for sending test instructions and test parameters to the signal transformation control circuit, and reading backwards the test data of a main control computer to be tested. A multi-channel parallel digital and analog (DA) module is used for converting digital signals to analog signals, and sending converted analog signals to the signal transformation control circuit. A multi-channel parallel analog and digital (AD) module is used for collecting the analog signals of the signal transformation control circuit, and converting the analog signals to digital signals. The signal transformation control circuit is used for carrying out data interaction with the main control computer to be tested. The automatic test system of the main control computer is suitable for the automatic test of the main control computer.
Description
Technical field
The utility model relates to a kind of test macro of main control computer.
Background technology
When main control computer is produced, be indispensable link to the detection of main control computer.Detect the integration test of mainly finishing the main control computer unit for electrical property parameters, each integrated circuit board uniting and adjustment, general assembly debugging, checkout equipment can fault can navigate to the integrated circuit board level, satisfies technical requirement with overall performance after guaranteeing the main control computer general assembly.Checkout equipment meets the demands to the performance of assurance main control computer during research and production and has important effect.
The utility model content
The utility model is in order to adapt to the automatically demand of test of main control computer, thereby a kind of Auto-Test System of main control computer is provided.
The Auto-Test System of main control computer, it comprises industrial computer 1, PXI equipment 2, main control computer test cell 3;
Described PXI equipment 2 comprises PXI controller card 21,1553B bus communication module 22, DI/DO module 23, multidiameter delay DA module 24, multichannel hemistich AD module 25;
Main control computer test cell 3 comprises that main frame detects interface 6, the 1553B bus detects interface 7, DI/DO detection interface 8, AD/DA detection mouth 9, signal conversion control circuit 10 and serial ports and pulse test interface 13;
The PXI signal of industrial computer 1 inputs or outputs end and is connected with signal output or the input end of PXI controller card 21 by PXT controller pci card;
The RS422/485 rs 232 serial interface signal output terminal of industrial computer 1 detects interface 6 by main frame and is connected with the RS422/485 rs 232 serial interface signal input end of signal conversion control circuit 10;
1553B bus communication module 22 is used for detecting interface 7 by the 1553B bus and sends test instruction and test parameter to signal conversion control circuit 10; Also be used for detecting by the 1553B bus main control computer to be measured 4 test datas of interface 7 read back waveform conversion control circuits 10;
DI/DO module 23 is used for detecting interface 8 by DI/DO and carries out data interaction with signal conversion control circuit 10;
Multidiameter delay DA module 24 is used for carrying out digital signal is converted to simulating signal, and the simulating signal after will changing sends to signal conversion control circuit 10 by AD/DA detection mouth 9;
Multidiameter delay AD module 25 is used for detecting mouthfuls 9 by AD/DA and gathers the simulating signal that signal conversion control circuits 10 send, and is digital signal with analog signal conversion;
Signal conversion control circuit 10 is used for carrying out data interaction by serial ports and pulse test interface 13 with main control computer 4 to be measured.
It also comprises direct supply 5, and main control computer test cell 3 comprises power supply input port 14, and described direct supply 5 is used for working power being provided for signal conversion control circuit 10 by power supply input port 14; Also be used for providing working power to DI/DO module 23.
Main control computer test cell 3 also comprises measurement and control signal circuit board 11 and bus coupler 12;
The DO control signal output terminal of signal conversion control circuit 10 is connected with the DO control signal input end of measurement and control signal circuit board 11;
The sequential of signal conversion control circuit 10 and control signal input end are connected with sequential and the control signal output terminal of measurement and control signal circuit board 11;
The main control computer power supply signal input end of signal conversion control circuit 10 is connected with the main control computer power supply signal output terminal of measurement and control signal circuit board 11;
The power supply signal output terminal of signal conversion control circuit 10 is connected with the power supply signal input end of measurement and control signal circuit board 11;
The address signal input end of signal conversion control circuit 10 is connected with the address signal output terminal of measurement and control signal circuit board 11;
The secondary power supply signal input part of signal conversion control circuit 10 is connected with the secondary power supply signal output part of measurement and control signal circuit board 11;
Signal conversion control circuit 10 is connected on signal conversion control circuit 10 and the 1553B bus detects between the interface 7.
Signal conversion control circuit 10 be used for by the mutual data of serial ports and pulse test interface 13 and main control computer to be measured 4 for the data by the transmitting-receiving of 1553B bus communication module, data by the transmitting-receiving of RS422/RS485 serial port board by the switching value data of DI/DO module transmitting-receiving, by 24 data that receive with by 25 data that send.
The utility model can be realized the integration test to the main control computer unit for electrical property parameters, each integrated circuit board uniting and adjustment, assembling and setting, and fault can navigate to the integrated circuit board level, satisfies technical requirement to guarantee main control computer assembling back overall performance.Guaranteed that main control computer meets the demands in the performance of scientific research stage and production period.Detection system of the present utility model has universalization, seriation, modularization, modular advantage.
Description of drawings
Fig. 1 is structural representation of the present utility model; Fig. 2 is the structural representation of test cell of the present utility model; Fig. 3 is the software flow synoptic diagram in the test process of the present utility model.
Embodiment
Embodiment one, in conjunction with Fig. 1 this embodiment is described, the Auto-Test System of main control computer, it comprises industrial computer 1, PXI equipment 2, main control computer test cell 3;
Described PXI equipment 2 comprises PXI controller card 21,1553B bus communication module 22, DI/DO module 23, multidiameter delay DA module 24, multichannel hemistich AD module 25;
Main control computer test cell 3 comprises that main frame detects interface 6, the 1553B bus detects interface 7, DI/DO detection interface 8, AD/DA detection mouth 9, signal conversion control circuit 10 and serial ports and pulse test interface 13;
The PXI signal of industrial computer 1 inputs or outputs end and is connected with signal output or the input end of PXI controller card 21 by PXT controller pci card;
The RS422/485 rs 232 serial interface signal output terminal of industrial computer 1 detects interface 6 by main frame and is connected with the RS422/485 rs 232 serial interface signal input end of signal conversion control circuit 10;
1553B bus communication module 22 is used for detecting interface 7 by the 1553B bus and sends test instruction and test parameter to signal conversion control circuit 10; Also be used for detecting by the 1553B bus main control computer to be measured 4 test datas of interface 7 read back waveform conversion control circuits 10;
DI/DO module 23 is used for detecting interface 8 by DI/DO and carries out data interaction with signal conversion control circuit 10;
Multidiameter delay DA module 24 is used for carrying out digital signal is converted to simulating signal, and the simulating signal after will changing sends to signal conversion control circuit 10 by AD/DA detection mouth 9;
Multidiameter delay AD module 25 is used for detecting mouthfuls 9 by AD/DA and gathers the simulating signal that signal conversion control circuits 10 send, and is digital signal with analog signal conversion;
Signal conversion control circuit 10 is used for carrying out data interaction by serial ports and pulse test interface 13 with main control computer 4 to be measured.
The difference of the Auto-Test System of embodiment two, this embodiment and embodiment one described main control computer is, it also comprises direct supply 5, main control computer test cell 3 comprises power supply input port 14, and described direct supply 5 is used for working power being provided for signal conversion control circuit 10 by power supply input port 14; Also be used for providing working power to DI/DO module 23.
The difference of the Auto-Test System of embodiment three, this embodiment and embodiment two described main control computers is that main control computer test cell 3 also comprises measurement and control signal circuit board 11 and bus coupler 12;
The DO control signal output terminal of signal conversion control circuit 10 is connected with the DO control signal input end of measurement and control signal circuit board 11;
The sequential of signal conversion control circuit 10 and control signal input end are connected with sequential and the control signal output terminal of measurement and control signal circuit board 11;
The main control computer power supply signal input end of signal conversion control circuit 10 is connected with the main control computer power supply signal output terminal of measurement and control signal circuit board 11;
The power supply signal output terminal of signal conversion control circuit 10 is connected with the power supply signal input end of measurement and control signal circuit board 11;
The address signal input end of signal conversion control circuit 10 is connected with the address signal output terminal of measurement and control signal circuit board 11;
The secondary power supply signal input part of signal conversion control circuit 10 is connected with the secondary power supply signal output part of measurement and control signal circuit board 11;
Signal conversion control circuit 10 is connected on signal conversion control circuit 10 and the 1553B bus detects between the interface 7.
The difference of the Auto-Test System of embodiment four, this embodiment and embodiment three described main control computers is, signal conversion control circuit 10 be used for by the mutual data of serial ports and pulse test interface 13 and main control computer to be measured 4 for the data by the transmitting-receiving of 1553B bus communication module, data by the transmitting-receiving of RS422/RS485 serial port board by the switching value data of DI/DO module transmitting-receiving, by 24 data that receive with by 25 data that send.
The difference of the Auto-Test System of embodiment five, this embodiment and embodiment four described main control computers is, industrial computer 1 is for having the computing machine of integrated keyboard and display, perhaps for having the computing machine of touch screen displays.
The difference of the Auto-Test System of embodiment six, this embodiment and embodiment five described main control computers is, it also comprises military assembling box, and described industrial computer 1, PXI equipment 2 and direct supply are arranged in this military assembling box.
The difference of the Auto-Test System of embodiment seven, this embodiment and embodiment five described main control computers is that it also comprises PXI bus cabinet, and described PXI equipment 2 is arranged in the PXI bus cabinet.
The difference of the Auto-Test System of embodiment eight, this embodiment and embodiment seven described main control computers is that PXI bus cabinet is 19 scouring machine casees of 3U size.
The difference of the Auto-Test System of embodiment nine, this embodiment and embodiment nine described main control computers is that direct supply 5 is the direct supply of national military standard 1188A.
Principle of work:
This checkout equipment each several part is formed:
Described checkout equipment adopts the modularity design technology of assembling box structure, have assembling flexible, easy to maintenance, be easy to upgrade, characteristics that extendability is strong.Checkout equipment mainly is made up of PXI resource instrument, test cell, direct supply, industrial computer, and the composition frame chart of checkout equipment as shown in Figure 1.Direct supply, PXI cabinet and instrument, test cell, industrial computer and display (KVM) are installed in the assembling box.
The checkout equipment function:
Checkout equipment is mainly realized main control computer 1553B bus test, multidiameter delay DA test, multidiameter delay AD test, the input test of switching value signal, switching value signal output test, serial test bus, height pulse test and on-hook sequential flow testing.Test macro can reflect the ruuning situation of main control computer functional unit accurately, and can be with localization of fault in functional module.
The checkout equipment principle:
System's composition of checkout equipment and theory diagram are as shown in Figure 2.Tested main control computer is connected to by test cable on each function socket of checkout equipment, and checkout equipment under the control of test procedure, carries out the test of main control computer work schedule according to the communications protocol of main control computer and testing software.The testing process that operation is special-purpose is finished test and the test result of unit under test signal automatically and is handled by the PXI instrument resource, finally finish main control computer function and performance test.According to test result tested main control computer localization of fault is arrived the integrated circuit board level.
Hardware:
The PXI instrument resource:
1553 bus communication cards
Binary channels, passage is two redundant;
Functional mode: BC, RT, MT;
Transfer rate: 1Mbit/s.
Main main control computer test communication and the aviation bus test realized.
The DI/DO module
Passage: signal input (DI) 24 tunnel,
Signal output (DO) 24 tunnel;
Maximum input, output voltage :+60VDC.
Major function realizes input, the output function test of main control computer switching value signal, and to the control of signal circuit in the main control computer test cell.
Multidiameter delay DA module
Passage: the 4 tunnel is parallel;
Maximum output: ± 10V DC;
Output accuracy: 12bit.
Major function realizes the performance test to main control computer AD passage.
Multidiameter delay AD module
Passage: the 8 tunnel is parallel;
Input: ± 10V to ± 1.25VDC;
Acquisition precision: 14bit.
Major function realizes the performance test to main control computer DA passage.
Pulse serial port board:
3 road pulse simulation passages;
4 tunnel 422 bus communication mouths;
2 tunnel 485 bus communication mouths.
Major function realizes the test of main control computer height pulse passage and serial bus communication test.
Measurement and control unit:
Main merit realize the tested passage of main control computer and test that path between the integrated circuit board is connected, the control of test signal input and output and the specific demand signal source is provided, shown in Fig. 3 and 4.
Direct supply:
Employing meets the direct supply of national military standard 1188A power requirement.
The software design:
Testing software adopts C or C++ high-level programming language to write, and programming platform uses VC++6.0.
Testing software mainly realizes following function panel, the crosslinked software test of main control computer machine bullet and main control computer hardware testing, and data recording function is provided.
The crosslinked software test of main control computer machine bullet:
Testing software realizes simulation carrier aircraft, simulation inertial navigation and simulated altitude table, the full bullet of the access that main control computer is virtual, and the simulation that plays self check, Transfer Alignment and a control flow process entirely realizes, controls software with the checking guidance and hangs the correctness that flies sequential.
A) simulation inertial navigation
The simulation inertial navigation is with carrying out the sequential response between software simulation integrated navigation system and the main control computer.Use real communications protocol, carry out communication by universal serial bus and main control computer, and can on the modeling interface plate, monitor the communication state of response sequential in real time.
B) simulated altitude table
The simulated altitude table is that testing software sends altitude signal by clamp-pulse generator to the main control computer simulation.Modeling interface can show the real-time communication state.
C) simulation carrier aircraft
Software simulation flight operation interface, 1553B test integrated circuit board uses the communications protocol between real carrier aircraft and the weapon, realistic communication of now simulating between carrier aircraft and the missile-borne main control computer as BC end simulated aircraft 1553B data transmission bus.
3.2.2 main control computer hardware testing
The main control computer hardware testing comprises, 1553 bus tests, serial test bus, AD test, DA test, switching value input, output test and pulsed test signal.The testing software process flow diagram as shown in Figure 7.
Architectural feature;
The main control computer Auto-Test System adopts the removable posture cabinet design that goes up.The major function cellular construction is posture cabinet on the standard, forms the structural module design.The PXI cabinet has the industry standard design, possesses modularization and very strong versatility.This programme adopts 19 groove 3U cabinets, and extendability is strong, for subsequent upgrade stays the sufficient resources bearing interface.Industrial control computer and KVM adopt standard 4U and 2U to go up shelf structure, possess good replaceability.Direct supply and measurement and control unit (adapter) be the standard of the being designed to physical dimension of putting on the shelf also.
The using method of this equipment is:
(1) detects preceding preliminary work
At first tested main control computer and checkout equipment position are put, the front and rear covers of assembling box is unloaded, leave aside; Secondly test cable and usb mouse are taken out from the tool box of assembling box, and mouse is connected on the USB interface of embedded computer; At last checkout equipment is connected the AC220V power supply.
(2) testing process
A) tested main control computer is connected test cable.
B) connect the checkout equipment power supply, open the PXI chassis power supply, extract KVM out, behind the computer starting, click desktop main control computer detection system software icon, enter program interface as shown in Figure 5.After the tester imports production code member, operating personnel and reviewer, click " product power supply " button, enter the main interface of test, as shown in Figure 6.START button on the hit testing master interface begins test, and below, interface test mode Information shows information such as current test event and current RT address state.Program is tested successively by interface display " test event " order.As shown in Figure 8, test result is qualified to give a green light, and mistake sends out a warning and " error count " adds 1.START button click back demonstration becomes " stopping ", and click " stopping " testing software continues to finish and stops to test after time test loop.As not clicking " stopping ", finish after time test loop and continue test loop next time.
After the end of test (EOT), the demonstration of " stopping " button becomes " beginning " again, can click this button as need continuation test and test again.Click " withdrawing from " button, return the startup interface.Clicking startup interface " product outage " button stops to provide working power to test product.Click " withdrawing from " button and stop test procedure.
After the utility model experimentized, test findings showed that the checkout equipment development meets universalization, seriation, modularization, modular requirement.Checkout equipment fully takes into account manufacturability and economy when design, technical papers is complete, the process program advanced person, main auxiliary products, equipment, device material all can be supplied for a long time and steady quality is reliable, product component is easy to make, and is convenient to ensure the quality of products, and is easy to control cost.Checkout equipment design authenticating document, complete data, accurately, coordination, standard; Checkout equipment detail of design and product specification be the short run trial production of guide product effectively; The demand that checkout equipment technical specification and service instruction can satisfy use, safeguard.
Above-described specific descriptions; purpose, technical scheme to utility model further describe; institute is understood that; the above only is specific embodiment of the utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. the Auto-Test System of main control computer, it is characterized in that: it comprises industrial computer (1), PXI equipment (2), main control computer test cell (3);
Described PXI equipment (2) comprises PXI controller card (21), 1553B bus communication module (22), DI/DO module (23), multidiameter delay DA module (24), multichannel hemistich AD module (25);
Main control computer test cell (3) comprises that main frame detects interface (6), the 1553B bus detects interface (7), DI/DO detection interface (8), AD/DA detection mouthful (9), signal conversion control circuit (10) and serial ports and pulse test interface (13);
The PXI signal of industrial computer (1) inputs or outputs end and is connected with signal output or the input end of PXI controller card (21) by PXT controller pci card;
The RS422/485 rs 232 serial interface signal output terminal of industrial computer (1) detects interface (6) by main frame and is connected with the RS422/485 rs 232 serial interface signal input end of signal conversion control circuit (10);
1553B bus communication module (22) is used for detecting interface (7) by the 1553B bus and sends test instruction and test parameter to signal conversion control circuit (10); Also be used for detecting by the 1553B bus main control computer to be measured (4) test data of interface (7) read back waveform conversion control circuit (10);
DI/DO module (23) is used for detecting interface (8) by DI/DO and carries out data interaction with signal conversion control circuit (10);
Multidiameter delay DA module (24) is used for carrying out digital signal is converted to simulating signal, and the simulating signal after will changing sends to signal conversion control circuit (10) by AD/DA detection mouthful (9);
Multidiameter delay AD module (25) is used for detecting mouthful (9) by AD/DA and gathers the simulating signal that signal conversion control circuits (10) send, and is digital signal with analog signal conversion;
Signal conversion control circuit (10) is used for carrying out data interaction by serial ports and pulse test interface (13) with main control computer to be measured (4).
2. the Auto-Test System of main control computer according to claim 1, it is characterized in that it also comprises direct supply (5), main control computer test cell (3) comprises power supply input port (14), and described direct supply (5) is used for working power being provided for signal conversion control circuit (10) by power supply input port (14); Also be used for providing working power to DI/DO module (23).
3. the Auto-Test System of main control computer according to claim 2 is characterized in that main control computer test cell (3) also comprises measurement and control signal circuit board (11) and bus coupler (12);
The DO control signal output terminal of signal conversion control circuit (10) is connected with the DO control signal input end of measurement and control signal circuit board (11);
The sequential of signal conversion control circuit (10) and control signal input end are connected with sequential and the control signal output terminal of measurement and control signal circuit board (11);
The main control computer power supply signal input end of signal conversion control circuit (10) is connected with the main control computer power supply signal output terminal of measurement and control signal circuit board (11);
The power supply signal output terminal of signal conversion control circuit (10) is connected with the power supply signal input end of measurement and control signal circuit board (11);
The address signal input end of signal conversion control circuit (10) is connected with the address signal output terminal of measurement and control signal circuit board (11);
The secondary power supply signal input part of signal conversion control circuit (10) is connected with the secondary power supply signal output part of measurement and control signal circuit board (11);
Signal conversion control circuit (10) is connected on signal conversion control circuit (10) and the 1553B bus detects between the interface (7).
4. the Auto-Test System of main control computer according to claim 3 is characterized in that signal conversion control circuit (10) is used for the data that receive for switching value data by the transmitting-receiving of DI/DO module of the data by the transmitting-receiving of 1553B bus communication module, data by the transmitting-receiving of RS422/RS485 serial port board, by (24) by the mutual data of serial ports and pulse test interface (13) and main control computer to be measured (4) and the data that send by (25).
5. the Auto-Test System of main control computer according to claim 4 is characterized in that industrial computer (1) for having the computing machine of integrated keyboard and display, perhaps for having the computing machine of touch screen displays.
6. the Auto-Test System of main control computer according to claim 5 is characterized in that it also comprises military assembling box, and described industrial computer (1), PXI equipment (2) and direct supply are arranged in this military assembling box.
7. the Auto-Test System of main control computer according to claim 5 is characterized in that it also comprises PXI bus cabinet, and described PXI equipment (2) is arranged in the PXI bus cabinet.
8. the Auto-Test System of main control computer according to claim 7 is characterized in that PXI bus cabinet is 19 scouring machine casees of 3U size.
9. the Auto-Test System of main control computer according to claim 8 is characterized in that direct supply (5) is the direct supply of national military standard 1188A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320018489 CN203054825U (en) | 2013-01-15 | 2013-01-15 | Automatic test system of main control computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320018489 CN203054825U (en) | 2013-01-15 | 2013-01-15 | Automatic test system of main control computer |
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| CN203054825U true CN203054825U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320018489 Withdrawn - After Issue CN203054825U (en) | 2013-01-15 | 2013-01-15 | Automatic test system of main control computer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150239A (en) * | 2013-01-15 | 2013-06-12 | 哈尔滨建成集团有限公司 | Automatic test system of main control computer |
| CN105306310A (en) * | 2015-11-29 | 2016-02-03 | 中山市捷信科技服务有限公司 | Analysis module automatic testing device |
| CN106886206A (en) * | 2015-12-15 | 2017-06-23 | 西安富成防务科技有限公司 | A kind of missile-borne computer product Auto-Test System |
| CN112417678A (en) * | 2020-11-18 | 2021-02-26 | 中国运载火箭技术研究院 | Hard real-time aircraft test system |
-
2013
- 2013-01-15 CN CN 201320018489 patent/CN203054825U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150239A (en) * | 2013-01-15 | 2013-06-12 | 哈尔滨建成集团有限公司 | Automatic test system of main control computer |
| CN103150239B (en) * | 2013-01-15 | 2014-11-19 | 哈尔滨建成集团有限公司 | Automatic test system of main control computer |
| CN105306310A (en) * | 2015-11-29 | 2016-02-03 | 中山市捷信科技服务有限公司 | Analysis module automatic testing device |
| CN106886206A (en) * | 2015-12-15 | 2017-06-23 | 西安富成防务科技有限公司 | A kind of missile-borne computer product Auto-Test System |
| CN112417678A (en) * | 2020-11-18 | 2021-02-26 | 中国运载火箭技术研究院 | Hard real-time aircraft test system |
| CN112417678B (en) * | 2020-11-18 | 2024-04-09 | 中国运载火箭技术研究院 | Hard real-time aircraft test system |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130710 Effective date of abandoning: 20141119 |
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| RGAV | Abandon patent right to avoid regrant |