CN220139579U - Distributed vehicle-mounted Ethernet automatic test system - Google Patents
Distributed vehicle-mounted Ethernet automatic test system Download PDFInfo
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- CN220139579U CN220139579U CN202321674096.0U CN202321674096U CN220139579U CN 220139579 U CN220139579 U CN 220139579U CN 202321674096 U CN202321674096 U CN 202321674096U CN 220139579 U CN220139579 U CN 220139579U
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Abstract
The utility model relates to a distributed vehicle-mounted Ethernet automatic test system, which comprises a cloud server, a test upper computer and at least two single-machine test systems, wherein the test upper computer and the single-machine test systems are respectively connected with the cloud server; the test upper computer is used for automatic test management, and comprises test case writing, test sequence issuing, test result statistics and defect management, and the stand-alone test system is used for testing network communication of the vehicle-mounted Ethernet. The high-cost hardware problem of the vehicle-mounted Ethernet automatic test system is well solved, meanwhile, the distributed automatic test capability is achieved, and the automatic test efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted Ethernet automatic testing, in particular to a distributed vehicle-mounted Ethernet automatic testing system.
Background
Along with the development of modern automobile technology, the complexity and the scale of the vehicle-mounted network system are larger and larger, so that the test and verification work for vehicle-mounted network communication, particularly for a vehicle-mounted Ethernet, is more important for ensuring the accuracy and the integrity of the vehicle-mounted network communication function.
In the prior art, for example, a chinese patent with publication number CN215449926U discloses a vehicle-mounted ethernet automation test system. The system comprises: the system comprises a control host, a bus data acquisition module, a detection instrument module, a control board card system and a power supply module; the detecting instrument module includes: a bus oscilloscope, a vector network analyzer and protocol consistency testing equipment; the control board card system comprises a power management module, a power simulation back plate block and a fault simulation module. The system utilizes a vector network analyzer and consistency testing equipment to complete TCP/IP protocol consistency testing, SOME/IP protocol consistency testing and switch performance testing; by combining the fault simulation module, the vehicle-mounted Ethernet automatic test system can complete the relevant test of the Do IP protocol and the UDS service consistency diagnosis.
The prior art solutions described above have the following drawbacks: although the system can realize automatic testing of the vehicle-mounted Ethernet function of the ECU to be tested, the dependence of the test hardware equipment for the vehicle-mounted Ethernet on foreign suppliers is extremely high, the cost and difficulty of the vehicle-mounted Ethernet test are radically increased, testers are required to test and verify the function of the ECU by adopting the foreign hardware equipment in the early stage of design, the traditional test method has long research and development period, consumes more manpower and correspondingly increases the research and development cost.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a distributed vehicle-mounted Ethernet automatic test system, which well solves the problem of high cost hardware of the vehicle-mounted Ethernet automatic test system, has distributed automatic test capability and improves the automatic test efficiency.
The above object of the present utility model is achieved by the following technical solutions:
the distributed vehicle-mounted Ethernet automatic test system comprises a cloud server, a test upper computer and at least two single-machine test systems, wherein the test upper computer and the single-machine test systems are respectively connected with the cloud server, and the cloud server is used for managing the test systems;
the test upper computer is used for automatic test management, and comprises test case writing, test sequence issuing, test result statistics and defect management, and the stand-alone test system is used for testing network communication of the vehicle-mounted Ethernet.
The present utility model may be further configured in a preferred example to: the single machine test system comprises a test lower computer, a USB network card, a switch, a programmable power supply, a vehicle-mounted Ethernet converter, a tested piece and a USB-CAN converter;
the USB network card is connected to the USB port of the test lower computer by using a USB line;
the USB network card is connected to the network port of the switch by using twisted pair wires;
the vehicle-mounted Ethernet converter uses twisted pair wires to access the network port of the switch;
the vehicle-mounted Ethernet converter is connected with the tested piece by using a T1 line;
the tested piece is connected with the USB-CAN converter by using a wire harness;
the USB-CAN converter uses a USB line to access a USB port of the test lower computer; the programmable power supply is connected to the USB port of the test lower computer by using a USB wire;
the programmable power supply is connected with the tested piece by using a power line.
The present utility model may be further configured in a preferred example to: the two single-machine test systems are configured to be connected with the cloud server respectively.
The present utility model may be further configured in a preferred example to: the T1-Tx conversion of the vehicle-mounted Ethernet converter is used for converting the vehicle-mounted Ethernet into the traditional Ethernet.
The present utility model may be further configured in a preferred example to: the USB-CAN converter is used for CAN communication.
The present utility model may be further configured in a preferred example to: the USB network card is used for solving the VLAN problem of vehicle-mounted Ethernet communication.
The present utility model may be further configured in a preferred example to: the switch is used for realizing interconnection of all the tested pieces.
The present utility model may be further configured in a preferred example to: the programmable power supply is used for realizing the power on and power off of the tested system.
The present utility model may be further configured in a preferred example to: the test lower computer is used for being responsible for test sequence execution, communication data simulation and processing in a test process, test result discrimination, test report generation and test result uploading functions.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the utility model discloses a distributed vehicle-mounted Ethernet automatic test system which consists of a cloud server, a test upper computer and at least two single-machine test systems, wherein the test upper computer and the single-machine test systems are respectively connected with the cloud server.
2. The upper computer and the lower computer of the test have high customizable degree, and the upper computer of the test software matched with the hardware equipment provided by foreign suppliers can not realize function customization, so that the test scene is reduced to a certain extent, and the test coverage is reduced.
3. The utility model can realize the function of remote automatic test, improves the test efficiency, provides the related functions of automatic test such as defect management and the like, and improves the analysis efficiency of the test report.
Drawings
Fig. 1 is a schematic diagram of a vehicle-mounted ethernet distributed automatic test system based on domestic hardware.
FIG. 2 is a schematic diagram of a stand-alone automated test system.
FIG. 3 is a schematic diagram of connection between a USB network card and a test lower computer.
Fig. 4 is a schematic diagram of connection between a USB network card and a switch.
Fig. 5 is a schematic diagram of the connection of the on-board ethernet converter to the switch.
Fig. 6 is a schematic diagram of connection between the vehicle-mounted ethernet converter and the tested device.
FIG. 7 is a schematic diagram of a connection between a USB-CAN converter and a test object.
FIG. 8 is a schematic diagram of a connection between a USB-CAN converter and a test host.
FIG. 9 is a schematic diagram of the connection of the programmable power supply to the test lower computer.
FIG. 10 is a schematic diagram of the connection of a programmable power supply to a test object.
Fig. 11 is a flow chart of the test execution steps of the in-vehicle ethernet automation test system.
Reference numerals: 101. the cloud server; 100. testing an upper computer; 102. a stand-alone test system; 103. testing a lower computer; 104. a USB network card; 105. a switch; 106. a vehicle-mounted ethernet converter; 107. a measured piece; 108. a USB-CAN converter; 109. and a programmable power supply.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly as meaning, for example, "connected" as either a signal connection, an electrical connection, or a communication connection, as either a direct connection or an indirect connection via an intermediary, as well as a communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
aiming at the problems of dependence of vehicle-mounted Ethernet test hardware equipment on foreign suppliers and remote automatic test, the utility model provides a vehicle-mounted Ethernet distributed automatic test system and method based on domestic low-cost hardware.
Referring to fig. 1, a distributed vehicle-mounted ethernet automation test system disclosed in the present utility model includes a cloud server 101, a test host 100 and at least two stand-alone test systems 102 respectively connected to the cloud server 101, where the cloud server 101 is used for managing the test systems;
the test host 100 (test web interface) is used for managing automated tests, including writing test cases, issuing test sequences, counting test results, and defect management, and the stand-alone test system 102 is used for testing network communication of the vehicle-mounted ethernet. In this embodiment, two stand-alone test systems 102 are configured, and the two stand-alone test systems 102 are respectively connected to the cloud server 101.
Referring to fig. 2, the stand-alone test system 102 includes a test lower computer 103, a USB network card 104, a switch 105, a programmable power supply 109, a vehicle-mounted ethernet converter 106, a tested piece 107, and a USB-CAN converter 108;
the on-board ethernet converter 106T1 converts Tx for implementing on-board ethernet to legacy ethernet.
The USB-CAN converter 108 is used for CAN communication.
The USB network card 104 is used to solve VLAN problems of the in-vehicle ethernet communication.
The switch 105 is used to implement interconnection of the individual devices under test 107.
The programmable power supply 109 is used for powering up and powering down the tested system.
The test lower computer 103 is responsible for test sequence execution, communication data simulation and processing in the test process, test result discrimination, test report generation and test result uploading functions.
The corresponding automatic test system and method are as follows:
1. the test lower computer 103 is deployed on the tester;
2. the program-controlled power supply 109 is connected to the testing machine through a USB wire and connected to the tested piece 107 through a power wire;
3. the tester accesses the switch 105 through the USB network card 104 by using twisted pair wires;
4. the testing machine is connected with the tested piece 107 by using a wire harness through a USB-CAN converter 108;
5. each test piece 107 is switched to Tx to access the switch 105 through the on-board ethernet converter 106T 1.
6. The above 1-5 realize hardware connections of the stand-alone test system 102.
7. After the single machine test system 102 is deployed, multiple sets of test systems can be replicated
8. Each test system is accessed to the cloud server 101, and registered for use with the cloud server 101 to form a set of distributed automatic test system, so that the state of each test system can be managed on the test upper computer 100.
Referring to fig. 3, the USB network card 104 uses a USB cable to access the USB port of the test lower computer 103;
referring to fig. 4, the usb network card 104 uses twisted pair wires to access the network port of the switch 105;
referring to fig. 5, the in-vehicle ethernet converter 106 uses twisted pair wires to access the network port of the switch 105;
referring to fig. 6, the in-vehicle ethernet converter 106 is connected to the test piece 107 using a T1 line;
referring to fig. 7, the test piece 107 is connected to the USB-CAN converter 108 using a wire harness;
referring to fig. 8, the USB-CAN converter 108 uses a USB cable to access the USB port of the test lower computer 103;
referring to fig. 9, the programmable power supply 109 uses a USB cable to access the USB port of the test lower computer 103;
referring to fig. 10, a programmable power supply 109 is connected to a test piece 107 using a power line.
Referring to fig. 11, the utility model provides a vehicle-mounted ethernet automation test system based on domestic hardware, and the main test execution steps are as follows:
s001, after the test lower computer 103 is powered on, registering information of a current system to the cloud server 101 for test system management;
s002, the test upper computer 100 issues specific test tasks to each test system;
s003, the test lower computer 103 in the test system receives and analyzes the respective test tasks to generate a corresponding test sequence;
s004, the lower test computer 103 controls the programmable power supply 109 to power on the tested system/sample;
s005, the lower test computer 103 executes corresponding test cases according to the test sequence, and message communication and data analysis processing in the test process are realized through the vehicle-mounted Ethernet converter 106T1 to Tx, the USB-CAN converter 108, the USB network card 104, the switch 105 and the tested system/sample;
s006, the test lower computer 103 judges the test result and generates a corresponding test report;
s007, the test lower computer 103 uploads a test report to the cloud server 101;
s008, the test upper computer 100 acquires the test results uploaded by all the test systems and executes corresponding defect management.
The implementation principle of the utility model is as follows: the utility model discloses a distributed vehicle-mounted Ethernet automatic test system, which consists of a cloud server 101, a test upper computer 100 and at least two single-machine test systems 102, wherein the test upper computer 100 and the single-machine test systems 102 are respectively connected with the cloud server 101. The high-cost hardware problem of the vehicle-mounted Ethernet automatic test system is well solved, meanwhile, the distributed automatic test capability is achieved, and the automatic test efficiency is improved.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (9)
1. The distributed vehicle-mounted Ethernet automatic test system is characterized by comprising a cloud server (101), a test upper computer (100) and at least two single-machine test systems (102), wherein the test upper computer (100) and the single-machine test systems (102) are respectively connected with the cloud server (101), and the cloud server (101) is used for managing the test systems;
the test upper computer (100) is used for automatic test management, including test case writing, test sequence issuing, test result statistics and defect management, and the single machine test system (102) is used for testing network communication of the vehicle-mounted Ethernet.
2. The distributed on-board ethernet automation test system of claim 1, wherein said stand-alone test system (102) comprises a test lower computer (103), a USB network card (104), a switch (105), a programmable power supply (109), an on-board ethernet converter (106), a piece under test (107), a USB-CAN converter (108);
the USB network card (104) is connected to a USB port of the test lower computer (103) by using a USB line;
the USB network card (104) is connected to the network port of the switch (105) by using twisted pair wires;
the vehicle-mounted Ethernet converter (106) is connected to the network port of the switch (105) by using twisted pair wires;
the vehicle-mounted Ethernet converter (106) is connected with the tested piece (107) by using a T1 line;
the detected piece (107) is connected with the USB-CAN converter (108) by using a wire harness;
the USB-CAN converter (108) uses a USB line to access a USB port of the test lower computer (103); the programmable power supply (109) is connected to a USB port of the test lower computer (103) by using a USB wire;
the programmable power supply (109) is connected with the tested piece (107) by using a power line.
3. The distributed on-board ethernet automation test system according to claim 1, wherein two of said stand-alone test systems (102) are configured, and wherein two of said stand-alone test systems (102) are respectively connected to said cloud server (101).
4. A distributed on-board ethernet automation test system as in claim 2, wherein said on-board ethernet converter (106) is configured to convert from on-board ethernet to legacy ethernet from T1 to Tx.
5. A distributed on-board ethernet automation test system according to claim 2, wherein said USB-CAN converter (108) is used for CAN communication.
6. A distributed on-board ethernet automation test system according to claim 2, wherein said USB network card (104) is configured to solve VLAN problems of on-board ethernet communications.
7. A distributed on-board ethernet automation test system according to claim 2, wherein said switch (105) is adapted to implement interconnection of the respective tested pieces (107).
8. A distributed on-board ethernet automation test system according to claim 2, wherein said programmable power source (109) is configured to implement power up and power down of the system under test.
9. The distributed on-board ethernet automation test system of claim 2, wherein said test lower computer (103) is configured to be responsible for test sequence execution, communication data simulation and processing during a test, test result discrimination, test report generation, and test result uploading functions.
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| CN202321674096.0U CN220139579U (en) | 2023-06-29 | 2023-06-29 | Distributed vehicle-mounted Ethernet automatic test system |
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| CN202321674096.0U CN220139579U (en) | 2023-06-29 | 2023-06-29 | Distributed vehicle-mounted Ethernet automatic test system |
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