CN204559600U - A kind of rail vehicle communication network consistency test device - Google Patents
A kind of rail vehicle communication network consistency test device Download PDFInfo
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- CN204559600U CN204559600U CN201520016233.0U CN201520016233U CN204559600U CN 204559600 U CN204559600 U CN 204559600U CN 201520016233 U CN201520016233 U CN 201520016233U CN 204559600 U CN204559600 U CN 204559600U
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Abstract
The utility model relates to a kind of rail vehicle communication network consistency test device, comprise: integrated oscilloscope, universal instrument, signal generator, gateway, WTB/MVB test box and, wherein said oscilloscope, described universal instrument, described signal generator, described gateway are connected with the output of the equipment under test being connected to industrial computer with described WTB/MVB test box.
Description
Technical field
The utility model relates to a kind of rail vehicle field, particularly a kind of rail vehicle communication network consistency test device.
Background technology
At present, in the processes such as such as, heavily connection between the rail vehicle of EMU, in order to ensure normally carrying out of network service, the uniformity test carrying out rail vehicle communication network is needed.But existing test is all adopt to adopt scattered common apparatus respectively, manual method is adopted to complete test.In test process, some can only carry out the partial test of MVB, and some can only carry out the partial test of WTB.It is very inconvenient not only to use, nor can ensure the accuracy of test result.
Utility model content
For above technical problem, present applicant proposes a kind of rail vehicle communication network consistency test device, comprise: integrated oscilloscope, universal instrument, signal generator, gateway, WTB/MVB test box and, wherein said oscilloscope, described universal instrument, described signal generator, described gateway are connected with the output of the equipment under test being connected to industrial computer with described WTB/MVB test box.
Rail vehicle communication network consistency test device as above, wherein said rail vehicle communication network consistency test device comprises described industrial computer.
Rail vehicle communication network consistency test device as above, comprises the display be connected with described industrial computer further.
Rail vehicle communication network consistency test device as above, comprises waveform adjuster further, and the output of described waveform adjuster is connected to described equipment under test, and the input of described waveform adjuster is connected to the output of described equipment under test.
Rail vehicle communication network consistency test device as above, comprise further: rack, wherein said oscilloscope, described universal instrument, described signal generator, described gateway, described WTB/MVB test box and described waveform adjuster are unified to be arranged in described rack.
Rail vehicle communication network consistency test device as above, comprises signal generator further, and the output of described signal generator is connected to described equipment under test.
Rail vehicle communication network consistency test device as above, comprise power supply further, described power supply is at least connected to described gateway.
Rail vehicle communication network consistency test device as above, wherein said power supply is at least connected to described equipment under test.
Rail vehicle communication network consistency test device as above, wherein said power supply comprises two or more stabilized voltage power supply and/or common power.
Rail vehicle communication network consistency test device as above, wherein said industrial computer is connected by MVB with described equipment under test.
In the utility model, substantially increased the automaticity of test by the consistency Special testing device of communication network such as electrical characteristic.Therefore, there is technological progress in the more existing mode of the utility model.
Accompanying drawing explanation
Below, will be described in more detail preferred implementation of the present utility model by reference to the accompanying drawings, wherein:
Fig. 1 is the schematic diagram of the rail vehicle communication network consistency test device according to an embodiment of the present utility model.
Fig. 2 is the schematic diagram according to the testing apparatus in the custom-designed rack of an embodiment of the present utility model.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
TCN network consistency testing apparatus of the present utility model can be used for the uniformity test of MVB equipment and the uniformity test of WTB equipment.Utilize this platform can complete uniformity test to the TCN network equipment, there is the features such as quick, accurate, reliable, intelligent.
Fig. 1 is the schematic diagram of the rail vehicle communication network consistency test device according to an embodiment of the present utility model.As described in Figure 1, testing apparatus 100 comprises the equipment such as oscilloscope, universal instrument, signal generator and power supply, gateway, WTB/MVB test box, waveform adjuster.Alternatively, testing apparatus 100 also comprises display and industrial computer.Although in the embodiment shown in fig. 1, testing apparatus 100 includes display and industrial computer; But display and industrial computer both can be parts for testing apparatus 100, it also can be the independent device (as shown in phantom in Figure 1) independent of testing apparatus 100.
According to an embodiment of the present utility model, industrial computer comprises MVB communication network card, is connected to equipment under test 200 by MVB.Communicated by MVB (multifunction vehicle bus) between industrial computer (such as industrial computer 108) and equipment under test 200.Industrial computer sends test signal to the equipment under test of specifying.Testing apparatus 100 receives test signal from corresponding testing equipment 200 and feedback data, to detect the consistency of testing equipment.
As shown in Figure 1, testing apparatus 100 comprises power supply 101.Power supply 101 is regulated power supply, can be equipment under test 200 and UIC gateway 103 is powered or other equipment are powered.According to an embodiment of the present utility model, power supply 101 can comprise stabilized voltage power supply Agilent E3645A and common power Agilent N5751A, to be applicable to different demands.
Testing apparatus 100 comprises universal instrument 102 further, is connected to equipment under test 200, for testing the impedance operator in the electrical characteristic uniformity test of WTB and MVB.Testing apparatus 100 comprises current source/table 1021 further, for the electrical characteristic uniformity test of WTB.
Testing apparatus 100 comprises UIC gateway 103 further, is connected to equipment under test 200, for the link layer interface uniformity test of WTB.
Testing apparatus 100 comprises oscilloscope 104 further, is connected to equipment under test 200, and it has application in most of flow process of the electrical characteristic uniformity test of WTB and MVB.
Testing apparatus 100 comprises waveform adjuster 105 further, is connected to equipment under test 200, and it is at the uniformity test of repeater, all uses in the receiver behavioral trait test of WTB and MVB.
Testing apparatus 100 comprises signal generator 106 further, is connected to equipment under test 200, and its insertion loss for WTB and MVB is tested.
Testing apparatus 100 comprises the electrical characteristics test case 107 of WTB and MVB further, is connected to equipment under test 200, and the insertion loss for MVB is tested, and the signal waveform in transmitting procedure is measured, and receiver behavioral trait is tested.Further, the electrical characteristics test case 107 of WTB and MVB also carries out the short-circuit test of WTB.
Further, industrial computer 108 and display 109 both can be a part for testing apparatus 100 as shown in Figure 1, also can be independently parts (as shown in phantom in Figure 1).According to an embodiment of the present utility model, in industrial computer 108, comprise MVB equipment (such as MVB network card), for completing the equipment state of MVB, process data and message data uniformity test.
According to an embodiment of the present utility model, the electrical characteristics test case 107 of universal instrument 102, UIC gateway, 103 oscilloscopes 104, waveform adjuster 105, WTB and MVB is all connected to industrial computer 108, the result of test is sent to industrial computer 108, and is presented on display 109.The signal of signal generator 106 directly can connect and is sent to equipment under test 200.Test result feeds back on industrial computer 108, and can be presented on display 109.
Fig. 2 is the schematic diagram according to the testing apparatus in the custom-designed rack of an embodiment of the present utility model.As shown in Figure 2, testing apparatus comprises rack 201 and multiple integrated part: comprise universal instrument module, waveform generator module, oscilloscope module, waveform adjuster module, WTB/MVB test box, UIC gateway module, current source/table module and two power modules.Testing apparatus shown in Fig. 2 does not comprise industrial computer and display.The utility model adopts structurized method for designing, and general purpose test equipment and special test equipment are integrated in custom-designed rack, testing apparatus is rational in infrastructure, is convenient to tester's operation.
According to an embodiment of the present utility model, can operate and complete test process by mouse and keyboard and display 108 industrial computer 108 tester.For example, electrical characteristic uniformity test can comprise following step:
Step 1: select testing scheme.Testing scheme can customize, and also can utilize the testing scheme defined.
Step 2: configuration device.Test configurations is carried out to configurable relevant device.Configurable equipment comprises: oscilloscope, signal generator, universal instrument, adjustable DC power supply, programmable DC power supply, the equipment such as ammeter and protocol analyzer.After configuration successful, test can be started.
Step 3: implement testing scheme.After making testing scheme and finishing equipment configuration, testing scheme can be implemented.
According to an embodiment of the present utility model, such as equipment state uniformity test comprises the steps:
1) examination equipment will be accompanied to be connected by MVB cable with equipment under test.
2) general supply of accompanying examination equipment and equipment under test is opened.
3) universal test is prepared.
4) address of equipment under test is configured.
5) " equipment state agreement " is tested; And by that analogy, carry out every test of equipment state successively.
7) special test is prepared.
8) carry out " special test of a kind equipment ".
9) according to above method, the special test of bus manager and the special test of gateway is completed successively.
According to an embodiment of the present utility model, such as process data uniformity test-simple test comprises the steps:
1) " process data-simple test " test is prepared.
2) configuration testing port address, size and attribute.
3) test data is sent.
4) reception data are checked.
5) can show test results in test result list.
According to an embodiment of the present utility model, such as process data uniformity test-high coverage rate test comprises the steps:
1) " process data-high coverage rate test " test is prepared.
2) test data is sent.
3) reception data are checked.
4) can show test results in test result list.
According to an embodiment of the present utility model, such as message data uniformity test comprises the steps:
1) " message data " is prepared.
2) each project is tested according to testing process.
3) show detail transmission parameter.
4) show test results.
According to an embodiment of the present utility model, after terminating test, disconnect equipment under test, industrial computer and display screen power supply, and disconnect general supply.
The testing software of the utility model employing automation can complete the uniformity test to MVB equipment and WTB equipment, and substantially increase testing efficiency, testing software is easy and simple to handle, is convenient to tester and uses.
Above-described embodiment is only for illustration of the utility model, and be not to restriction of the present utility model, the those of ordinary skill of relevant technical field, when not departing from the utility model scope, can also make a variety of changes and modification, therefore, all equivalent technical schemes also should belong to category disclosed in the utility model.
Claims (10)
1. a rail vehicle communication network consistency test device, is characterized in that, comprising:
Integrated oscilloscope, universal instrument, signal generator, gateway, WTB/MVB test box and, wherein said oscilloscope, described universal instrument, described signal generator, described gateway are connected with the output of the equipment under test being connected to industrial computer with described WTB/MVB test box.
2. rail vehicle communication network consistency test device according to claim 1, is characterized in that, wherein said rail vehicle communication network consistency test device comprises described industrial computer.
3. rail vehicle communication network consistency test device according to claim 2, is characterized in that, comprises the display be connected with described industrial computer further.
4. rail vehicle communication network consistency test device according to claim 1, it is characterized in that, comprise waveform adjuster further, the output of described waveform adjuster is connected to described equipment under test, and the input of described waveform adjuster is connected to the output of described equipment under test.
5. rail vehicle communication network consistency test device according to claim 4, it is characterized in that, comprise further: rack, wherein said oscilloscope, described universal instrument, described signal generator, described gateway, described WTB/MVB test box and described waveform adjuster are unified to be arranged in described rack.
6. rail vehicle communication network consistency test device according to claim 1, is characterized in that, comprise signal generator further, and the output of described signal generator is connected to described equipment under test.
7. rail vehicle communication network consistency test device according to claim 1, it is characterized in that, comprise power supply further, described power supply is at least connected to described gateway.
8. rail vehicle communication network consistency test device according to claim 7, it is characterized in that, wherein said power supply is at least connected to described equipment under test.
9. rail vehicle communication network consistency test device according to claim 7, it is characterized in that, wherein said power supply comprises two or more stabilized voltage power supply and/or common power.
10. rail vehicle communication network consistency test device according to claim 2, it is characterized in that, wherein said industrial computer is connected by MVB with described equipment under test.
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| CN201520016233.0U CN204559600U (en) | 2015-01-09 | 2015-01-09 | A kind of rail vehicle communication network consistency test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771696A (en) * | 2015-11-25 | 2017-05-31 | 中车大连电力牵引研发中心有限公司 | MVB uniformity test frock casees |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771696A (en) * | 2015-11-25 | 2017-05-31 | 中车大连电力牵引研发中心有限公司 | MVB uniformity test frock casees |
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Effective date of registration: 20151105 Address after: 100844 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY CORPORATION Patentee after: Beijing Zongheng Electromechanical Technology Development Co., Ltd. Patentee after: Locomotive & Car Research Institute, China Academy of Railway Sciences Address before: 100081 Beijing city Haidian District Daliushu Road No. 2 Patentee before: Beijing Zongheng Electromechanical Technology Development Co., Ltd. Patentee before: Locomotive & Car Research Institute, China Academy of Railway Sciences |