CN102749916B - A kind of automatic testing equipment of train traction system control unit - Google Patents
A kind of automatic testing equipment of train traction system control unit Download PDFInfo
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- CN102749916B CN102749916B CN201210264059.2A CN201210264059A CN102749916B CN 102749916 B CN102749916 B CN 102749916B CN 201210264059 A CN201210264059 A CN 201210264059A CN 102749916 B CN102749916 B CN 102749916B
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Abstract
The invention provides a kind of proving installation, comprising: testing tool; Signal condition assembly; Vxi bus instrument; Main control computer, is connected with vxi bus instrument with described testing tool, signal condition assembly by corresponding programmable interface; And Standard Test Interface, wherein, described testing tool, signal condition assembly are connected tested object with vxi bus instrument by described Standard Test Interface.Automatic testing equipment of the present invention is simple to operate, decreases the impact of human factor, and measures accurately, has both ensured that product test efficiency was high, ensures that again product test process safety is with reliable.
Description
Technical field
The present invention relates to a kind of proving installation, particularly a kind of automatic testing equipment.
Background technology
Train network control system is controlled to form with diagnostic system by the distributed intelligence based on microprocessor linked together by network, performs the control to car load, monitoring and diagnosis function.The trailer system control module of train comprises traction control unit TCU(TractionControlUnit) and central control unit CCU(CentralControlUnit).TCU and CCU be in train network control system two be extremely important equipment.In rail transit rolling stock, TCU and CCU generally adopts casing structure, is made up of the board of various difference in functionality, integrated and link together by core bus.According to the different demands of actual items, TCU/CCU can form a new combination by expanded function board and realize its function.
TCU and CCU product in the market employs different bussing techniques and the different function of board divides, and the test board therefore determining these products does not have versatility.
In addition, TCU and CCU structure and function complexity, the test of these products is normally developed to the manual test platform be made up of some universal testers and particular device, carry out manual test by these instrument and equipments of manual operation, whether normal the function of manual confirmation product is.Detection method inevitably introduces some uncontrollable human factors manually, and this both have impact on product quality, also have impact on production efficiency.
Summary of the invention
For the defect of existing product test process, this use is novel provides a kind of proving installation, introduces automatic test design philosophy in measuring technology scheme, solves in existing product test process the one or more technological deficiencies existed.
The invention provides a kind of proving installation, it comprises: testing tool; Signal condition assembly; Vxi bus instrument; Main control computer, is connected with vxi bus instrument with described testing tool, signal condition assembly by corresponding programmable interface; And Standard Test Interface, wherein, described testing tool, signal condition assembly are connected tested object with vxi bus instrument by described Standard Test Interface.
Automatic testing equipment of the present invention is simple to operate, decreases the impact of human factor, and measures accurately, has both ensured that product test efficiency was high, ensures that again product test process safety is with reliable.
Accompanying drawing explanation
Fig. 1 shows the hardware systems framework of proving installation of the present invention;
Fig. 2 shows the detailed software and hardware system composition of proving installation of the present invention;
Fig. 3 shows the fundamental diagram of proving installation of the present invention when testing TCU/CCU; With
Fig. 4 shows the fundamental diagram of proving installation of the present invention when test function board.
Embodiment
Below with reference to the accompanying drawings the preferred embodiments of the present invention are described.
The invention provides a kind of automatic testing equipment detecting TCU/CCU combination and functional cards thereof, certain detected object is not limited to TCU/CCU combination and functional cards thereof, and those skilled in the art can be easy to be expanded and be used for other tested objects.
Fig. 1 shows the hardware systems framework of automatic testing equipment of the present invention.As illustrated in fig. 1 and 2, automatic testing equipment 1 of the present invention comprises main control computer 3, testing tool 5, signal condition assembly 7, vxi bus instrument 11, programmable interface 15 and Standard Test Interface 17(and sees Fig. 2).Wherein, main control computer 3 is connected with vxi bus instrument 11 with described testing tool 5, signal condition assembly 7 by corresponding programmable interface 15, and as shown in Figure 2, described testing tool 5, signal condition assembly 7 are connected tested object with vxi bus instrument 11 by described Standard Test Interface 17, and tested object is traction control unit TCU, central control unit CCU and functional cards thereof such as.
Described testing tool 5 includes but not limited to waveform generator, digital oscilloscope, digital sourcemeter.Those skilled in the art can increase other conventional testing tools as required.Described programmable interface 15 can be various types of interface, such as in the specific embodiment of Fig. 1, described main control computer 3 is expanded RS485 interface by PCI and to be connected with described signal condition assembly 7 and to control described signal condition assembly, by LAN mouth and pass through HUB(hub alternatively) connect described testing tool 5 and program control described testing tool 5.As shown in Figure 1, described automatic testing equipment optionally comprises the VXI cabinet 13 be connected with vxi bus instrument 11, and described main control computer 3 connects the Zero greeve controller of described VXI cabinet to control described vxi bus instrument 11 by 1394 bus interface.
Described signal condition assembly 7 can comprise 64 passage high-voltage relay switches, resistance, test signal conditioning device, for simulating load when TCU/CCU normally works and the load in board level test.
Described automatic testing equipment 1 also can comprise programmable power supply 9, powers and Power supply wave testing for providing measurand, and described main control computer 3 is expanded RS485 interface by PCI and is connected with described programmable power supply 9.
As shown in Figure 2, described automatic testing equipment 1 also can comprise for system power supply control and over-voltage over-current protection power up Control Component 19, described main control computer 3 is connected by hardware interface with the described Control Component 19 that powers up.
Described Standard Test Interface 17 comprises interface Payload attach fitting assembly (ICA) and interface test adapter (ITA) two parts.When testing, the test resource that measurand is provided by special adaptation board and standard testing adapter is connected.By changing different private adapters, can repeat to test different products by testing apparatus.By changing the adapter of TCU/CCU combined test, combined test can be carried out.Be replaced by plate level adapter, can board level test be carried out.
The detailed software and hardware system composition of automatic testing equipment of the present invention is described below with reference to Fig. 2.The software systems of automatic testing equipment of the present invention and test procedure exist in main control computer 3, as the part of Fig. 2 in ellipse.Main control computer is the work of the control center of whole proving installation, each testing tool of Coordination Treatment, and the test procedure according to storing in a computer controls whole test process, comprises and applies driving source, data acquisition and processing (DAP), breakdown judge etc.Test procedure comprising self-checking program, for testing the test procedure of TCU/CCU and the test procedure for testing board, certainly also can expand other test procedures as required.Self-checking program is for completing the self-inspection of trailer system control module ATE (automatic test equipment), and its major function can be divided into two aspects.One, by self-checking unit, whether the key technical indexes of determining apparatus is qualified, thus confirms that whether the duty of equipment is normal; Its two, when equipment failure, by System self-test, provide the relevant information of system maintenance.TCU/CCU test procedure is the testing process for measuring TCU/CCU.Board level test program is for testing the testing process of board, and different functional cards has corresponding testing process.
Principle of work schematic diagram when Fig. 3 is automatic testing equipment test TCU/CCU complete machine.When utilizing automatic testing equipment of the present invention 1 pair of TCU/CCU complete machine to test, TCU/CCU modular adapter is installed, test procedure on main control computer performs on platform and performs corresponding test procedure, control test resource according to good testing process prepared in advance by the programmable interface of main control computer (1394, RS485, LAN) and send pumping signal, pumping signal is sent to TCU/CCU modular adapter by Standard Test Interface 17, then is loaded into TCU/CCU by stube cable; Main control computer is connected by RS232 interface with tested TCU/CCU, and test procedure sends specific instruction fetch result, and judges that whether the result read is consistent with predetermined result, result of determination is input in form.
Fig. 4 is the principle of work schematic diagram of automatic testing equipment test function board.When automatic testing equipment 1 pair of board is tested, installing plate level test adapter, and plug the switching circuit board of corresponding board, be connected by the front-panel connector of stube cable with tested board, the back panel connector of tested board connects back the switching circuit board of board again, forms the connection of closed loop.Test procedure platform performing tested board is performed at test procedure, control test resource by the programmable interface of main control computer and send pumping signal, pumping signal is sent to board level test adapter by Standard Test Interface 17, is loaded into tested board by the card extender of tested board and stube cable (pumping signal); Test result links card extender by stube cable (power supply and result) again, and then gets back to test macro, and main control computer is by programmable interface readback data, and whether result of determination meets the requirements, and test result is input in form.The functional cards of test different types, board level test adapter remains unchanged, and only needs the switching circuit board changing corresponding board, runs relevant test test procedure.
The automatic testing equipment of embodiments of the invention is simple to operate, and measurand only need require to be connected with testing apparatus according to line by tester, and after preliminary work completes, the corresponding testing software on testing results platform, test is just carried out automatically.In test process, decrease the impact of human factor simultaneously, such as, reduce operation signal source error, read the test problem that oscillograph error etc. causes.In test process, reduce the time of a large amount of switch test instruments, reduce the time of read test data and certified test results, production efficiency is greatly improved.In addition, after test terminates, automatically can generate not editable test report, guarantee the authenticity of test result, thus the quality of the product that can be fully guaranteed.And by introducing database, enhance data management function, the trackability of data is strong.According to the test history data of record, various statistical study can be carried out.Such as, the statistical study of the significant data such as hazard rate and trouble spot, is conducive to finding out in the problem of producing and produce in assembling process.
Described above is embodiments of the invention.But the invention is not restricted to the content disclosed in instructions and accompanying drawing, they form the part of the present invention according to this embodiment.In other words, other embodiment that those skilled in the art make based on this embodiment falls within the scope of the invention certainly.
Claims (7)
1. a proving installation for train traction system control unit, is characterized in that, described proving installation comprises:
Testing tool;
Signal condition assembly;
Vxi bus instrument;
Main control computer, is connected with vxi bus instrument with described testing tool, signal condition assembly by corresponding programmable interface; With
Standard Test Interface, wherein, described testing tool, signal condition assembly are connected tested object with vxi bus instrument by described Standard Test Interface;
Wherein said main control computer by being connected to the interface read back results of described tested object, or by described programmable interface from described tested object read back results;
Wherein said main control computer is expanded RS485 interface by PCI and to be connected with described signal condition assembly and to control described signal condition assembly;
Wherein said main control computer connects described testing tool by LAN mouth and program control described testing tool;
Wherein also comprise the VXI cabinet be connected with vxi bus instrument, described main control computer connects the Zero greeve controller of described VXI cabinet to control vxi bus instrument by 1394 bus interface; And
Wherein said Standard Test Interface is connected with the adapter of object to be tested by object to be tested.
2. proving installation according to claim 1, is characterized in that, also comprises the VXI cabinet be connected with vxi bus instrument, and described main control computer connects the Zero greeve controller of described VXI cabinet to control vxi bus instrument by 1394 bus interface.
3. proving installation according to claim 1, is characterized in that, described Standard Test Interface comprises interface Payload attach fitting assembly (ICA) and interface test adapter (ITA) two parts.
4. proving installation according to claim 1, is characterized in that, signal condition assembly comprises 64 passage high-voltage relay switches, resistance, test signal conditioning device.
5. proving installation according to claim 1, is characterized in that, also comprises and provides measurand to power and the programmable power supply of Power supply wave testing, and described main control computer is expanded RS485 interface by PCI and is connected with described programmable power supply.
6. proving installation according to claim 1, is characterized in that, also comprise for system power supply control and over-voltage over-current protection power up Control Component, described main control computer is connected with the described Control Component that powers up.
7. proving installation according to claim 1, is characterized in that, automatic testing equipment is the automatic testing equipment for testing trailer system control module and central control unit.
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| CN201210264059.2A CN102749916B (en) | 2012-07-27 | 2012-07-27 | A kind of automatic testing equipment of train traction system control unit |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103616888B (en) * | 2013-11-29 | 2017-02-15 | 中国北车集团大连机车研究所有限公司 | Function test board for traction control unit of internal combustion locomotive |
| CN105717909B (en) * | 2014-12-05 | 2018-07-06 | 中车大连电力牵引研发中心有限公司 | Model vehicle pull test system |
| CN105487522A (en) * | 2015-11-24 | 2016-04-13 | 昆山凯捷特电子研发科技有限公司 | Test system and method of gate control system |
| CN105510663B (en) * | 2015-11-27 | 2018-10-02 | 中国电子科技集团公司第五十八研究所 | A kind of automation collection test method applied to amplitude differential signal |
| CN105446323B (en) * | 2015-12-22 | 2019-01-22 | 昆山凯捷特电子研发科技有限公司 | Motorcycle ignition controller test platform |
| CN110949450B (en) * | 2018-09-26 | 2021-06-08 | 株洲中车时代电气股份有限公司 | Self-checking method for orthogonal traction system |
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| CN1687913A (en) * | 2005-04-30 | 2005-10-26 | 哈尔滨工业大学 | Zero greeve controller with universal series bus interface |
| CN1971296A (en) * | 2005-11-21 | 2007-05-30 | 洛阳卓航测控设备有限责任公司 | Universal testing interface device and its universal testing system |
| CN101738301A (en) * | 2008-11-17 | 2010-06-16 | 北京卫星环境工程研究所 | High-capacity and high-speed parallel dynamics test data acquisition technology |
| CN101858947A (en) * | 2010-06-22 | 2010-10-13 | 成都华太航空科技有限公司 | Virtual instrument bus type multifunctional maintenance test device |
| CN201757767U (en) * | 2009-05-31 | 2011-03-09 | 广州飞机维修工程有限公司 | General comprehensive automatic test system of airplane electronic part |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5876906A (en) * | 1981-10-30 | 1983-05-10 | Toshiba Corp | Automatic testing method of controller |
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| US4843557A (en) * | 1986-01-09 | 1989-06-27 | Nippondenso Co., Ltd. | Overall diagnosis apparatus for vehicle-mounted control devices |
| CN1687913A (en) * | 2005-04-30 | 2005-10-26 | 哈尔滨工业大学 | Zero greeve controller with universal series bus interface |
| CN1971296A (en) * | 2005-11-21 | 2007-05-30 | 洛阳卓航测控设备有限责任公司 | Universal testing interface device and its universal testing system |
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