CN102749916A - Automatic testing device of control unit of train traction system - Google Patents
Automatic testing device of control unit of train traction system Download PDFInfo
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- CN102749916A CN102749916A CN2012102640592A CN201210264059A CN102749916A CN 102749916 A CN102749916 A CN 102749916A CN 2012102640592 A CN2012102640592 A CN 2012102640592A CN 201210264059 A CN201210264059 A CN 201210264059A CN 102749916 A CN102749916 A CN 102749916A
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Abstract
The invention provides a testing device which comprises a tester, a signal conditioning module, a VXI bus instrument, a master control computer and standard test interfaces. The master control computer is connected with the tester, the signal conditioning module and the VXI bus instrument through corresponding programmable interfaces, and the tester, the signal conditioning module and the VXI bus instrument are connected with tested objects through the standard test interfaces. The automatic testing device is simple to operate and accurate in measurement, reduces influence of human factors, guarantees high testing efficiency, and is safe and reliable in a testing process.
Description
Technical field
The present invention relates to a kind of proving installation, particularly a kind of automatic testing equipment.
Background technology
The networked control system of the train system is made up of with diagnostic system the distributed intelligence control based on microprocessor that links together through network, carries out control, monitoring and diagnosis function to car load.The trailer system control module of train comprises traction control unit TCU (Traction Control Unit) and central control unit CCU (Central Control Unit).TCU and CCU be in the networked control system of the train system two extremely for important equipment.In the track traffic rolling stock, TCU and CCU generally adopt casing structure, constitute by the integrated circuit board of various difference in functionalitys, through core bus integrated with link together.According to the different demands of actual items, TCU/CCU can form a new combination and realize its function through the expanded function integrated circuit board.
TCU has in the market used different bussing techniques and integrated circuit board different functions to divide with the CCU product, has therefore determined the test board of these products not have versatility.
In addition; TCU and CCU structure and function are complicated; The manual test platform of being made up of some universal test instruments and particular device is normally developed in the test of these products, carried out manual test by these instrument and equipments of manually-operated, normally whether the artificial function of confirming product.Detection method is inevitably introduced some uncontrollable human factors manually, and this had both influenced product quality, has also influenced production efficiency.
Summary of the invention
To the defective of existing product test process, this use is novel to provide a kind of proving installation, in the measuring technology scheme, introduces the automatic test design philosophy, has solved the one or more technological deficiencies that exist in the existing product test process.
The present invention provides a kind of proving installation, and it comprises: testing tool; The signal condition assembly; The vxi bus instrument; Main control computer is connected with said testing tool, signal condition assembly and vxi bus instrument through corresponding programmable interface; With the standard testing interface, wherein, said testing tool, signal condition assembly and vxi bus instrument are connected object to be tested through said standard testing interface.
Automatic testing equipment of the present invention is simple to operate, has reduced artificial factor, and measures accurately, has both guaranteed that product test efficient was high, guarantees that again product test process safety is with reliable.
Description of drawings
Fig. 1 shows the hardware systems framework of proving installation of the present invention;
Fig. 2 shows the detailed software and hardware system of proving installation of the present invention and forms;
Fig. 3 shows the fundamental diagram of proving installation of the present invention when test TCU/CCU; With
Fig. 4 shows the fundamental diagram of proving installation of the present invention when the test function integrated circuit board.
Embodiment
With reference to accompanying drawing the preferred embodiments of the present invention are described below.
The present invention provides the automatic testing equipment of a kind of TCU/CCU of detection combination and functional cards thereof, and detected object is not limited to TCU/CCU combination and functional cards thereof certainly, and those skilled in the art can be easy to its expansion is 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 testing interface 17 (see figure 2)s.Wherein, Main control computer 3 is connected with vxi bus instrument 11 with said testing tool 5, signal condition assembly 7 through corresponding programmable interface 15; And it is as shown in Figure 2; Said testing tool 5, signal condition assembly 7 are connected object to be tested with vxi bus instrument 11 through said standard testing interface 17, and object to be tested is traction control unit TCU, central control unit CCU and functional cards thereof for example.
Said testing tool 5 includes but not limited to waveform generator, digital oscilloscope, digital source table.Those skilled in the art can increase other testing tools commonly used as required.Said programmable interface 15 can be various types of interfaces; For example in the specific embodiment of Fig. 1; Said main control computer 3 is connected with said signal condition assembly 7 through PCI expansion RS485 interface and controls said signal condition assembly, through the LAN mouth, also alternatively through said testing tool 5 of HUB (hub) connection and program control said testing tool 5.As shown in Figure 1, said automatic testing equipment is optional comprises the VXI cabinet 13 that links to each other with vxi bus instrument 11, and said main control computer 3 connects the Zero greeve controller of said VXI cabinet to control said vxi bus instrument 11 through 1394 EBIs.
Said signal condition assembly 7 can comprise 64 passage high-voltage relay switches, resistance, test signal conditioning device, the load when being used for simulating the TCU/CCU operate as normal and the load of board level test.
Said automatic testing equipment 1 also can comprise programmable power supply 9, is used to provide measurand power supply and power supply supply variation test, and said main control computer 3 can link to each other with said programmable power supply 9 through PCI expansion RS485 interface.
As shown in Figure 2, said automatic testing equipment 1 also can comprise be used for system's power supply control and over-voltage over-current protection power up Control Component 19, said main control computer 3 is connected through hardware interface with the said Control Component 19 of powering up.
Said standard testing interface 17 comprises interface connection adaptor assembly (ICA) and interface test adapter (ITA) two parts.When test, measurand is connected with the test resource that the standard testing adapter provides through the special adapter plate.Through changing different private adapters, can repeat Different products to be tested with testing apparatus.Through changing the adapter of TCU/CCU combined test, can carry out combined test.Be replaced by plate level adapter, can carry out board level test.
The detailed software and hardware system composition of automatic testing equipment of the present invention is described with reference to figure 2 below.The software systems of automatic testing equipment of the present invention and test procedure exist in the main control computer 3, like the part of Fig. 2 in ellipse.Main control computer is the control center of whole testing device, and the work of each testing tool of Coordination Treatment is controlled whole test process according to the test procedure that is stored in the computing machine, comprises applying driving source, data acquisition and processing (DAP), fault judgement etc.The test procedure that test procedure comprises the self-checking program, is used to test the test procedure of TCU/CCU and is used to test integrated circuit board also can expand other test procedures certainly as required.The self-checking program is used to accomplish the self check of trailer system control module ATE, and its major function can be divided into two aspects.One of which, through self-checking unit, whether the key technical indexes of determining apparatus is qualified, thus whether the duty of confirming equipment is normal; Its two, when equipment failure, can pass through System self-test, the relevant information of system maintenance is provided.The TCU/CCU test procedure is the testing process that is used to measure TCU/CCU.The board level test program is used to test the testing process of integrated circuit board, and the different functions integrated circuit board has corresponding testing process.
Principle of work synoptic diagram when Fig. 3 is automatic testing equipment test TCU/CCU complete machine.When utilizing 1 pair of TCU/CCU complete machine of automatic testing equipment of the present invention to test; The TCU/CCU modular adapter is installed; Carry out the test procedure of carrying out correspondence on the platform at the test procedure on the main control computer; Send pumping signal according to the programmable interface of the testing process that weaves in advance through main control computer (1394, RS485, LAN) control test resource, pumping signal is sent to the TCU/CCU modular adapter through standard testing interface 17, is loaded into TCU/CCU through stube cable again; Main control computer is connected by the RS232 interface with tested TCU/CCU, and test procedure sends specific instruction and reads the result, and judges whether the result who reads is consistent with the result who is scheduled to, and result of determination is input in the form.
Fig. 4 is the principle of work synoptic diagram of automatic testing equipment test function integrated circuit board.When 1 pair of integrated circuit board of automatic testing equipment is tested; Installing plate level test adapter, and plug the switching circuit board of corresponding integrated circuit board, link to each other with the front-panel connector of tested integrated circuit board through stube cable; The back panel connector of tested integrated circuit board connects back the switching circuit board of integrated circuit board again, forms the connection of closed loop.Carry out the test procedure of carrying out tested integrated circuit board on the platform at test procedure; Programmable interface control test resource through main control computer sends pumping signal; Pumping signal is sent to the board level test adapter through standard testing interface 17, and card extender and stube cable (pumping signal) through tested integrated circuit board are loaded into tested integrated circuit board; Test result is linked card extender through stube cable (power supply and result) again, and then gets back to test macro, and main control computer is through the programmable interface readback data, and whether result of determination meets the requirements, and is input to test result in the form.The functional cards of test different types, the board level test adapter remains unchanged, and only needs to change the switching circuit board of corresponding integrated circuit board, the test test procedure that operation is relevant.
The automatic testing equipment of embodiments of the invention is simple to operate, and the tester only needs measurand is required to be connected with testing apparatus according to line, after preliminary work is accomplished, and the corresponding testing software on the operation test board, test is just carried out automatically.Simultaneously in test process, reduce artificial factor, for example, reduced the operation signal source error, read the test problem that oscillograph error etc. causes.In the 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, behind the EOT, can generate the test report that can not edit automatically, guarantee the authenticity of test result, thus the quality of the product that can be fully guaranteed.And through introducing database, strengthened data management function, the trackability of data is strong.According to the test history data of record, can carry out various statistical study.Such as, the statistical study of significant datas such as hazard rate and trouble spot helps finding out the problem that in production and assembling process, produces.
Embodiments of the invention have been described above.Yet, the invention is not restricted to the disclosed content of instructions and accompanying drawing, they constitute the part of the present invention according to this embodiment.In other words, those skilled in the art fall within the scope of the invention based on other embodiment that this embodiment makes certainly.
Claims (11)
1. a proving installation is characterized in that, said automatic testing equipment comprises:
Testing tool;
The signal condition assembly;
The vxi bus instrument;
Main control computer is connected with said testing tool, signal condition assembly and vxi bus instrument through corresponding programmable interface; With
The standard testing interface, wherein, said testing tool, signal condition assembly and vxi bus instrument are connected object to be tested through said standard testing interface.
2. proving installation according to claim 1 is characterized in that, said testing tool comprises waveform generator, digital oscilloscope, digital source table.
3. according to each described proving installation among the claim 1-2, it is characterized in that said main control computer is connected with said signal condition assembly through PCI expansion RS485 interface and controls said signal condition assembly.
4. according to each described proving installation among the claim 1-2, it is characterized in that said main control computer connects said testing tool and program control said testing tool through the LAN mouth.
5. according to each described proving installation among the claim 1-2; It is characterized in that; Also comprise the VXI cabinet that links to each other with the vxi bus instrument, said main control computer connects the Zero greeve controller of said VXI cabinet with control vxi bus instrument through 1394 EBIs.
6. according to each described proving installation among the claim 1-2, it is characterized in that said standard testing interface comprises interface connection adaptor assembly (ICA) and interface test adapter (ITA) two parts.
7. according to each described proving installation among the claim 1-2, it is characterized in that the signal condition assembly comprises 64 passage high-voltage relay switches, resistance, test signal conditioning device.
8. according to each described proving installation among the claim 1-2, it is characterized in that, also comprise the programmable power supply that measurand power supply and power supply supply variation test are provided, said main control computer links to each other with said programmable power supply through PCI expansion RS485 interface.
9. according to each described proving installation among the claim 1-2, it is characterized in that also comprise the Control Component that powers up that is used for system's power supply control and over-voltage over-current protection, said main control computer is connected with the said Control Component that powers up.
10. according to each described proving installation among the claim 1-2, it is characterized in that said automatic testing equipment is the automatic testing equipment that is used to test trailer system control module and central control unit.
11., it is characterized in that said standard testing interface is connected with the adapter of object to be tested through object to be tested according to each described proving installation among the claim 1-2.
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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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103616888A (en) * | 2013-11-29 | 2014-03-05 | 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 |
| CN105446323A (en) * | 2015-12-22 | 2016-03-30 | 昆山凯捷特电子研发科技有限公司 | Motorcycle ignition controller test platform |
| 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 |
| CN105510663A (en) * | 2015-11-27 | 2016-04-20 | 中国电子科技集团公司第五十八研究所 | Automatic acquisition and testing method for high-amplitude differential signal |
| CN105717909A (en) * | 2014-12-05 | 2016-06-29 | 中车大连电力牵引研发中心有限公司 | Model vehicle traction testing system |
| CN110949450A (en) * | 2018-09-26 | 2020-04-03 | 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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| 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 |
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| CN110949450A (en) * | 2018-09-26 | 2020-04-03 | 株洲中车时代电气股份有限公司 | Self-checking method for orthogonal traction system |
| 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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| CN102749916B (en) | 2016-03-09 |
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