CN103457804A - Consistency testing platform of train network communication products - Google Patents

Abstract

The invention discloses a consistency testing system of train network communication products. The consistency testing system comprises a consistency testing platform of train network communication products, a PC and a tested device, and is characterized in that the consistency testing platform of train network communication products comprises a testing system and a router. The router is connected with the computer and the testing system, and the testing system is connected with the tested device. The testing system comprises an analyzing device, a power supply device, a testing device and a switchgear. The analyzing device is directly connected with the tested device, the power supply device is connected with the tested device through a power interface, the testing device is connected with the tested device through an adapter plate, and the switchgear is connected with the tested device through an adapter device. Consistency testing software is arranged on the PC, and a device to be tested comprises a standard match testing device and the tested device.

Description

Train network communication products uniformity test platform

Technical field

The present invention relates to a kind of assistant analysis test platform, specifically, relates to a kind of train network communication products uniformity test platform.

Background technology

Train network equipment comprises: MVB/EMD equipment, MVB/ESD equipment, MVB relay equipment, WTB equipment, have the equipment of CAN interface and Ethernet interface.The train network communication products are the prerequisites that guarantee that train is quick, safe, carry out accurately transfer of data and exchanges data, because structure and the performance of the vehicle of country variant or different manufacturers and the network equipment are incomplete same, and when these vehicles or equipment normal in service must realize interconnected communication the time, must meet the interconnected compatibility in vehicle grade and device level.

Uniformity test is that can checking each LA Management Room and each be equipped with between the vehicle of the network equipment conventional means that interconnect with interoperability.The uniformity test of train networking product is the prerequisite that product loading is used, existing train network homogeneity of product method of testing is mainly manual mode, utilize universal instrument, oscilloscope, function signal generator to carry out manual measurement, manual measurement is easily introduced human error in test process, and can't be for all train network communication products integration testings, test process is loaded down with trivial details, and measuring period is long, testing cost is high, has increased R&D cycle and the R&D costs of train network product.Still there is no at present a kind of perfect automation train network communication products uniformity test platform.

Summary of the invention

The object of the present invention is to provide a kind of automation train network communication products uniformity test platform that can complete easily and efficiently the train network equipment uniformity test.

Technical scheme of the present invention is: a kind of train network communication products consistency testing system, comprise train network communication products uniformity test platform, PC and equipment under test, train network communication products uniformity test platform comprises test macro and router, router is connected with test macro with computer, test macro is connected with equipment under test, test macro comprises analytical equipment, power supply unit, testing equipment and switchgear, analytical equipment directly is connected with equipment under test, power supply unit is connected with equipment under test through power interface, testing equipment is connected with equipment under test through keyset, switchgear is connected with equipment under test through interconnecting device, be provided with Conformance Test Software on PC, Devices to test comprises that standard joins measurement equipment and equipment under test.

Preferably: be provided with the multichannel external interface on keyset, comprise ethernet device interface, CAN bus apparatus interface, MVB bus interface and WTB bus interface, can realization communicate by letter with WTB equipment with ethernet device, CAN bus apparatus, MVB equipment.

Preferably: be provided with heavily loaded test circuit, underloading test circuit and idle test circuit on keyset.

Preferably: analytical equipment comprises ethernet performance analyzer and vector network analyzer, and the ethernet performance analyzer all is connected with Devices to test with vector network analyzer.

Preferably: testing equipment comprises testing power supply, AWG (Arbitrary Waveform Generator), oscilloscope and desk-top universal instrument.

Preferably: switchgear is matrix switch.

The invention has the beneficial effects as follows: train network communication products uniformity test platform provided by the invention can be controlled each instrument and equipment by the integrated control software of PC, can realize the conforming automatic test of train network communication products, simplified test process, reduce testing cost, can reduce R&D cycle and the R&D costs of train network product.This test platform can complete the test of real-time ethernet physical layer consistency, the test of CAN physical layer consistency, the test of WTB physical layer consistency, the test of MVB repeater physical layer consistency, the test of MVB/ESD physical layer consistency and the test of MVB/EMD physical layer consistency.The every test result of analysis-by-synthesis also generates the uniformity test report, can realize the integration testing to all train network communication products.

The accompanying drawing explanation

Accompanying drawing 1 is structural representation of the present invention.

Embodiment

Train network communication products consistency testing system, comprise train network communication products uniformity test platform, PC and equipment under test, train network communication products uniformity test platform comprises test macro and router, router is connected with test macro with computer, test macro is connected with equipment under test, test macro comprises analytical equipment, power supply unit, testing equipment and switchgear, analytical equipment directly is connected with equipment under test, power supply unit is connected with equipment under test through power interface, testing equipment is connected with equipment under test through keyset, switchgear is connected with equipment under test through interconnecting device, be provided with Conformance Test Software on PC, Devices to test comprises that standard joins measurement equipment and equipment under test.Switchgear is matrix switch.

Be provided with the multichannel external interface on keyset, comprise ethernet device interface, CAN bus apparatus interface, MVB bus interface and WTB bus interface, can realization communicate by letter with WTB equipment with ethernet device, CAN bus apparatus, MVB equipment.Be provided with heavily loaded test circuit, underloading test circuit and idle test circuit on keyset.Analytical equipment comprises ethernet performance analyzer and vector network analyzer, and the ethernet performance analyzer all is connected with Devices to test with vector network analyzer.Testing equipment comprises testing power supply, AWG (Arbitrary Waveform Generator), oscilloscope and desk-top universal instrument.

Conformance Test Software, as human-computer interaction interface, is controlled all appts of test platform.Conformance Test Software comprises data acquisition module and data test module, the data collecting module collected standard is joined the data message of measurement equipment and equipment under test, the data test module is carried out the data processing to the data message gathered, and the data test module comprises ethernet test module, CAN bus test module, esd bus test module, EMD bus test module, repeater test module and WTB bus test module.Select test event on interface, automatically complete real-time ethernet physical layer consistency test, the test of CAN physical layer consistency, the test of WTB physical layer consistency, the test of MVB repeater physical layer consistency, the test of MVB/ESD physical layer consistency and the test of MVB/EMD physical layer consistency, and generate and specify the examining report required.

The high accuracy number storage oscilloscope connects keyset by difference detector, in standard, joins in measurement equipment and equipment under test normal communication process, gathers as requested the waveform of designated port, passes to PC in order to calculating and storage after calculation process.

Vector network analyzer is connected with PC, and consistency is surveyed testing software can test terminal resistance and the insertion loss of equipment under test automatically by human-computer interaction interface, and measurement numerical value and the measured waveform of the terminal resistance of measurement and insertion loss are sent to PC.

Claims (7)

1. a train network communication products consistency testing system, comprise train network communication products uniformity test platform, PC and equipment under test, it is characterized in that, train network communication products uniformity test platform comprises test macro and router, router is connected with test macro with computer, test macro is connected with equipment under test, described test macro comprises analytical equipment, power supply unit, testing equipment and switchgear, analytical equipment directly is connected with equipment under test, power supply unit is connected with equipment under test through power interface, testing equipment is connected with equipment under test through keyset, switchgear is connected with equipment under test through interconnecting device, be provided with Conformance Test Software on PC, described Devices to test comprises that standard joins measurement equipment and equipment under test.

2. train network communication products uniformity test platform as claimed in claim 1, is characterized in that, is provided with ethernet device interface, CAN bus apparatus interface, MVB bus interface and WTB bus interface on described keyset.

3. train network communication products uniformity test platform as claimed in claim 1, is characterized in that, is provided with heavily loaded test circuit, underloading test circuit and idle test circuit on described keyset.

4. train network communication products uniformity test platform as claimed in claim 1, it is characterized in that, described analytical equipment comprises ethernet performance analyzer and vector network analyzer, and the ethernet performance analyzer all is connected with Devices to test with vector network analyzer.

5. train network communication products uniformity test platform as claimed in claim 1, is characterized in that, described testing equipment comprises testing power supply, AWG (Arbitrary Waveform Generator), oscilloscope and desk-top universal instrument.

6. train network communication products uniformity test platform as claimed in claim 1, is characterized in that, described switchgear is matrix switch.

7. train network communication products uniformity test platform as claimed in claim 1, it is characterized in that, described Conformance Test Software comprises data acquisition module and data test module, and described data test module comprises ethernet test module, CAN bus test module, esd bus test module, EMD bus test module, repeater test module and WTB bus test module.

Images