CN212276236U - Portable real vehicle network automatic test system - Google Patents
Portable real vehicle network automatic test system Download PDFInfo
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- CN212276236U CN212276236U CN202020682241.XU CN202020682241U CN212276236U CN 212276236 U CN212276236 U CN 212276236U CN 202020682241 U CN202020682241 U CN 202020682241U CN 212276236 U CN212276236 U CN 212276236U
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Abstract
The utility model provides an automatic test system of portable real vehicle network, include: the device comprises an interface panel, an oscilloscope, LIN bus fault injection equipment, CAN/CANFD bus fault injection equipment and FlexRay bus fault injection equipment; the equipment routing board card is connected with the interface panel, the oscilloscope, the LIN bus fault injection equipment, the CAN/CANFD bus fault injection equipment and the FlexRay bus fault injection equipment; the equipment gateway is connected with the LIN bus fault injection equipment and the equipment routing board card; and the test engineering independent operation equipment is connected with the interface panel, the equipment routing board card, the equipment gateway, the oscilloscope, the CAN/CANFD bus fault injection equipment and the FlexRay bus fault injection equipment. The utility model discloses an automatic test system of portable real vehicle network CAN automize and realize the test of real vehicle CAN CANFD LIN FlexRay bus network, and test speed is fast, and is efficient, and the practicality is strong.
Description
Technical Field
The utility model relates to a technical field of automobile test especially relates to an automatic test system of portable real vehicle network.
Background
With the rapid development of electronic technology and the wide use of electronic technology in automobiles, the degree of electronization of automobiles is higher and higher, and electronic control devices in automobiles are more and more, such as electronic fuel injection devices, anti-lock brake devices, driving anti-skid systems and the like. The wide use of integrated circuits and single-chip microcomputers in automobiles greatly increases the number of electronic controllers on the automobiles, so that the circuits are more and more complicated. For the cooperative work among the controllers, the controllers are usually communicated with each other by using a bus network such as CAN/CANFD/LIN/FlexRay. In order to ensure high-speed and reliable data exchange between controllers, a real vehicle network is usually tested.
In the prior art, the real vehicle network test usually adopts a manual test mode, so the following defects exist:
(1) the method comprises the following steps that a tester needs to operate by using a notebook computer, partial tests even need to be performed by two persons, one person operates a vehicle, and the other person operates the notebook computer;
(2) the testing equipment needs to be manually connected to different bus interfaces, and the wiring harness needs to be manually replaced aiming at different buses.
Therefore, the existing real vehicle network testing mode has the problems of low efficiency, low speed and high labor cost.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a portable real vehicle network automated test system CAN realize the test of real vehicle CAN CANFD LIN FlexRay bus network by the automation, and test speed is fast, and is efficient, and the practicality is strong.
In order to achieve the above objects and other related objects, the present invention provides a portable real vehicle network automatic test system, including: the interface panel is used for being connected with the real vehicle test interface; the oscilloscope is used for testing CAN, CANFD, LIN or FlexRay bus physical signals; the LIN bus fault injection equipment is used for realizing LIN bus robustness test; the CAN/CANFD bus fault injection equipment is used for realizing CAN/CANFD bus robustness test; the FlexRay bus fault injection equipment is used for realizing a FlexRay bus robustness test; the device routing board card is connected with the interface panel, the oscilloscope, the LIN bus fault injection device, the CAN/CANFD bus fault injection device and the FlexRay bus fault injection device and is used for selecting corresponding devices according to the type of the tested bus; the equipment gateway is connected with the LIN bus fault injection equipment and the equipment routing board card and is used for calling the connection between the LIN bus fault injection equipment and the equipment routing board card; and the test engineering independent operation equipment is connected with the interface panel, the equipment routing board card, the equipment gateway, the oscilloscope, the CAN/CANFD bus fault injection equipment and the FlexRay bus fault injection equipment, and is used for realizing CAN/CANFD/LIN/FlexRay bus simulation and acquisition, performing CAN, CANFD, LIN or FlexRay bus test on the real vehicle according to the test engineering, generating a test report and acquiring real vehicle data.
In an embodiment of the utility model, still include power supply unit, be used for doing test engineering independent operation equipment the equipment route integrated circuit board oscilloscope LIN bus fault injection equipment CAN/CANFD bus fault injection equipment FlexRay bus fault injection equipment and equipment gateway power supply.
In an embodiment of the present invention, the power supply device employs a lithium battery.
In an embodiment of the present invention, the system further includes a data uploading module and a server; the data uploading module is connected with the test engineering independent operation equipment and the server and is used for uploading the test data, the test report and the real vehicle data to the server; the server is used for storing the test data, the test report and the real vehicle data so as to be accessed and viewed by a client.
In an embodiment of the present invention, the server is further configured to perform offline analysis on the real vehicle data, and generate an offline analysis report for the client to visit and view.
In an embodiment of the present invention, the test engineering independent operation device is connected to the data upload module through an Ethernet interface.
In an embodiment of the present invention, the system further includes a client for configuring the test engineering independent operation device.
In an embodiment of the present invention, the client uses a notebook computer.
In an embodiment of the present invention, the test engineering independent operation device and the oscilloscope the CAN/CAN fd bus fault injection device and the FlexRay bus fault injection device are connected through the USB interface.
In an embodiment of the present invention, the test engineering independent operation device is connected to the device gateway through the Ethernet interface.
As above, the utility model discloses an automatic test system of portable real vehicle network has following beneficial effect:
(1) the automatic testing of a physical layer, a data link layer, an interaction layer, robustness, network management and gateway signal routing of the CAN/CANFD/LIN/FlexRay bus network CAN be realized;
(2) the portable real vehicle network automatic testing system can be placed in a vehicle, is convenient to carry and is easy to carry out real vehicle testing;
(3) the test speed is high, the efficiency is high, and the practicability is strong;
(4) the test data, the test report and the real vehicle data can be uploaded to the server, and unified management is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a portable real vehicle network automatic test system according to an embodiment of the present invention.
Description of the element reference numerals
1 interface panel
2 oscilloscope
3 LIN bus fault injection equipment
4 CAN/CANFD bus fault injection equipment
5 FlexRay bus fault injection device
6 equipment routing integrated circuit board
7 device gateway
8 independent operation equipment of test engineering
9 Power supply device
10 data uploading module
11 server
12 client
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The utility model discloses an automatic test system of portable real vehicle network CAN automize and realize the test of real vehicle CAN CANFD LIN FlexRay bus network, need not frequently to change test interface, and test speed is fast, and efficiency of software testing is high, and portable, and the practicality is strong.
As shown in fig. 1, in an embodiment, the portable real vehicle network automation test system of the present invention includes:
the interface panel 1 is used for connecting with a real vehicle test interface, such as an On Board Diagnostics (OBD) interface, so as to establish a physical connection between the test system and a real vehicle. Preferably, the interface panel 1 further comprises a power interface and a test interface, so as to establish connection with the power supply device and the test device subsequently.
The oscilloscope 2 has a CAN/CANFD/LIN/FlexRay bus analysis function and is used for testing CAN, CANFD, LIN or FlexRay bus physical signals. An oscilloscope is an instrument for measuring the shape of an alternating current or pulsed current wave, and is composed of a tube amplifier, a scanning oscillator, a cathode ray tube, and the like. In addition to observing the waveform of the current, the frequency, the voltage intensity, and the like can be measured. Any periodic physical process that can become electrically effective can be observed with an oscilloscope. In the present invention, the oscilloscope 2 is mainly used for testing the physical signals of the CAN, CANFD, LIN and FlexRay buses of the real vehicle.
And the LIN bus fault injection device 3 is used for realizing LIN bus robustness test. The LIN bus is a low-cost serial communication network defined for a distributed electronic system of an automobile, is a supplement to other automobile multi-path networks such as a Controller Area Network (CAN) and the like, and is suitable for application without high requirements on the bandwidth, performance or fault-tolerant function of the network. The LIN bus is based on sci (UART) data format, in single master/multiple slave mode, a special case in UART. In the present invention, the reliability and stability of the LIN bus are tested by the LIN bus fault injection device 3.
And the CAN/CANFD bus fault injection equipment 4 is used for realizing CAN/CANFD bus robustness test. A CAN bus (Controller Area Network) is a serial communication protocol that is ISO international standardized, and is a serial communication Network that effectively supports distributed control or real-time control. CANFD is an abbreviation for CAN with Flexible Data rate, which CAN be simply considered an upgraded version of CAN. CAN differs from CANFD mainly in that: different transmission rates, different data lengths, different frame formats, and different ID lengths. The utility model discloses in CAN/CANFD bus fault injection equipment 4 CAN adopt CAN/CANFD bus interferometer VH6501 to realize the robustness test of CAN/CANFD bus.
And the FlexRay bus fault injection device 5 is used for realizing a FlexRay bus robustness test. FlexRay is a bus technology which is used for automobiles, has high speed and determinability and fault tolerance capability, combines two modes of event triggering and time triggering, has the characteristics of high-efficiency network utilization rate and system flexibility, and can be used as a backbone network of a new generation of automobile internal network. The utility model discloses in, FlexRay bus fault injection equipment 5 adopts FlexRay bus interferometer FRstress to realize the robustness test of FlexRay bus.
And the equipment routing board card 6 is connected with the interface panel 1, the oscilloscope 2, the LIN bus fault injection equipment 3, the CAN/CANFD bus fault injection equipment 4 and the FlexRay bus fault injection equipment 5, and is used for selecting corresponding equipment according to the type of the tested bus. Specifically, the device routing board 6 is used as a connection bridge between the interface panel 1 and each test device, that is, the oscilloscope 2, the LIN bus fault injection device 3, the CAN/CAN fd bus fault injection device 4, and the FlexRay bus fault injection device 5, and CAN select a corresponding test device according to the type of the currently tested bus to establish a communication connection with the interface panel 1.
And the equipment gateway 7 is connected with the LIN bus fault injection equipment 3 and the equipment routing board card 6 and is used for calling the connection between the LIN bus fault injection equipment and the equipment routing board card. Specifically, the utility model discloses well test engineering independent operation equipment 8 can not directly with LIN bus fault injection equipment 3 with equipment route integrated circuit board 6 communicates mutually, so pass through equipment gateway 7 calls.
And the test engineering independent operation equipment 8 is connected with the interface panel 1, the equipment routing board card 6, the equipment gateway 7, the oscilloscope 1, the CAN/CANFD bus fault injection equipment 4 and the FlexRay bus fault injection equipment 5, and is used for realizing CAN/CANFD/LIN/FlexRay bus simulation and acquisition, performing CAN, CANFD, LIN or FlexRay bus test on the real vehicle according to the test engineering, generating a test report and acquiring real vehicle data. Specifically, the test engineering independent operation device 8 stores test engineering and test software required by bus test, and contains a CAN/CANFD/LIN/FlexRay bus interface card, so as to realize CAN/CANFD/LIN/FlexRay bus message simulation and collection; meanwhile, the system also comprises a digital quantity and analog quantity signal acquisition channel, and can acquire real vehicle data such as real vehicle voltage and the like through the interface panel. In addition, the test engineering independent operation equipment 8 is provided with a high-performance processor and an operating system, and can be independently operated from a notebook computer, so that the automatic test is completed.
In an embodiment of the present invention, the test engineering independent operation device 8 and the oscilloscope 2 the CAN/CAN fd bus fault injection device 4 and the FlexRay bus fault injection device 5 are connected through the USB interface. The test engineering independent operation equipment 8 is connected with the equipment gateway 7 through an Ethernet interface.
In an embodiment of the utility model, the utility model discloses a portable real car network automation test system still includes power equipment 9, be used for doing test engineering independent operation equipment 8 equipment route integrated circuit board 6 oscilloscope 2 LIN bus fault injection equipment 3 CAN/CANFD bus fault injection equipment 4 FlexRay bus fault injection equipment 5 and equipment gateway 7 power supply to CAN be independent operation under the condition that does not use real car internal power, and avoid voltage and current information to gather in the car and have the deviation. Preferably, the power supply device adopts a lithium battery, can provide DC12V power supply, and can enable the test system to independently run for 48 hours.
In an embodiment of the present invention, the portable real vehicle network automation test system of the present invention further includes a data uploading module 10 and a server 11; the data uploading module 10 is connected to the test engineering independent operation device 8 and the server 11, and is configured to upload the test data, the test report, and the real vehicle data collected by the test engineering independent operation device 8 to the server 11; the server 11 is configured to store the test data, the test report, and the real vehicle data for the client 12 to access and view. Preferably, the server 11 is further configured to perform offline analysis on the real vehicle data, and generate an offline analysis report for the client 12 to access and view. The test engineering independent operation equipment 8 is connected with the data uploading module 10 through an Ethernet interface.
In an embodiment of the present invention, the portable real vehicle network automation test system of the present invention further includes a client 12 for configuring the test engineering independent operation device, i.e. performing script configuration and software update on the real-time test engineering independent operation device 8; meanwhile, the test data, the test report and the off-line analysis report stored in the server 11 can be accessed, so that the remote monitoring of the real vehicle bus is realized. Preferably, the client 12 is a notebook computer.
The utility model discloses a portable real vehicle network automated testing system's test flow is introduced briefly below.
(1) With interfaces such as real car OBD with the utility model discloses an interface panel of automatic test system of portable real car network is connected.
(2) If the test engineering independent operation equipment does not contain the test engineering, firstly downloading the test engineering from the external equipment; otherwise, directly performing the step (3).
(3) The test engineering independent operation equipment is operated, the test engineering is sent to the real vehicle bus through the corresponding test equipment, the equipment routing board card and the interface panel, and feedback data sent by the real vehicle bus are received; and simultaneously, the CAN/CAN FD bus fault injection equipment and the FlexRay bus fault injection equipment perform CAN/CAN FD/LIN/FlexRay bus robustness test on the real vehicle bus through an equipment routing board card and an interface panel, and send the robustness test result to the test engineering independent operation equipment, thereby realizing CAN/CAN FD/LIN/FlexRay bus network test of the real vehicle and obtaining a test report. The test comprises automatic test contents such as a physical layer, a data link layer, an interaction layer, robustness, network management, gateway signal routing and the like. Meanwhile, the test engineering independent operation equipment also receives real vehicle data sent by the real vehicle through the interface panel.
Preferably, after the test is completed, the test engineering independent operation equipment uploads the test data, the test report and the real vehicle data to the server through the data uploading module. The server stores the test data, the test report and the real vehicle data in a classified manner; and carrying out off-line analysis on the real vehicle data and generating the off-line analysis. A user can check the test data and the test report by logging in the server remotely; meanwhile, by viewing the off-line analysis report, the possible risks of the vehicle can be positioned.
To sum up, the utility model discloses a portable real vehicle network automated test system CAN realize the automatic test of the physical layer, data link layer, interaction layer, robustness, network management, gateway signal route of CAN/CANFD/LIN/FlexRay bus network; the portable real vehicle network automatic testing system can be placed in a vehicle, is convenient to carry and is easy to carry out real vehicle testing; the test speed is high, the efficiency is high, and the practicability is strong; the test data, the test report and the real vehicle data can be uploaded to the server, and unified management is facilitated. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a portable real vehicle network automated test system which characterized in that: the method comprises the following steps:
the interface panel is used for being connected with the real vehicle test interface;
the oscilloscope is used for testing CAN, CANFD, LIN or FlexRay bus physical signals;
the LIN bus fault injection equipment is used for realizing LIN bus robustness test;
the CAN/CANFD bus fault injection equipment is used for realizing CAN/CANFD bus robustness test;
the FlexRay bus fault injection equipment is used for realizing a FlexRay bus robustness test;
the device routing board card is connected with the interface panel, the oscilloscope, the LIN bus fault injection device, the CAN/CANFD bus fault injection device and the FlexRay bus fault injection device and is used for selecting corresponding devices according to the type of the tested bus;
the equipment gateway is connected with the LIN bus fault injection equipment and the equipment routing board card and is used for calling the connection between the LIN bus fault injection equipment and the equipment routing board card;
and the test engineering independent operation equipment is connected with the interface panel, the equipment routing board card, the equipment gateway, the oscilloscope, the CAN/CANFD bus fault injection equipment and the FlexRay bus fault injection equipment, and is used for realizing CAN/CANFD/LIN/FlexRay bus simulation and acquisition, performing CAN, CANFD, LIN or FlexRay bus test on the real vehicle according to the test engineering, generating a test report and acquiring real vehicle data.
2. The portable real vehicle network automated testing system of claim 1, wherein: the device comprises a test engineering independent operation device, a device routing board card, an oscilloscope, a LIN bus fault injection device, a CAN/CANFD bus fault injection device, a FlexRay bus fault injection device and a device gateway.
3. The portable real vehicle network automated testing system of claim 2, wherein: the power supply equipment adopts a lithium battery.
4. The portable real vehicle network automated testing system of claim 1, wherein: the system also comprises a data uploading module and a server; the data uploading module is connected with the test engineering independent operation equipment and the server and is used for uploading test data, the test report and the real vehicle data to the server; the server is used for storing the test data, the test report and the real vehicle data so as to be accessed and viewed by a client.
5. The portable real vehicle network automated testing system of claim 4, wherein: the server is also used for carrying out offline analysis on the real vehicle data to generate an offline analysis report for the client to access and view.
6. The portable real vehicle network automated testing system of claim 4, wherein: the test engineering independent operation equipment is connected with the data uploading module through an Ethernet interface.
7. The portable real vehicle network automated testing system of claim 1, wherein: the system also comprises a client used for configuring the test engineering independent operation equipment.
8. The portable real vehicle network automated testing system of claim 7, wherein: the client side adopts a notebook computer.
9. The portable real vehicle network automated testing system of claim 1, wherein: the test engineering independent operation equipment is connected with the oscilloscope, the CAN/CANFD bus fault injection equipment and the FlexRay bus fault injection equipment through USB interfaces.
10. The portable real vehicle network automated testing system of claim 1, wherein: the test engineering independent operation equipment is connected with the equipment gateway through an Ethernet interface.
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| CN202020682241.XU CN212276236U (en) | 2020-04-28 | 2020-04-28 | Portable real vehicle network automatic test system |
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| CN202020682241.XU CN212276236U (en) | 2020-04-28 | 2020-04-28 | Portable real vehicle network automatic test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595817A (en) * | 2021-07-19 | 2021-11-02 | 上汽通用五菱汽车股份有限公司 | LIN communication fault injection method, system and storage medium |
| CN113608516A (en) * | 2021-06-30 | 2021-11-05 | 华人运通(上海)自动驾驶科技有限公司 | Functional safety fault injection test system and method for advanced driving assistance system |
| CN114942866A (en) * | 2021-02-17 | 2022-08-26 | Aptiv技术有限公司 | LIN main testing device |
-
2020
- 2020-04-28 CN CN202020682241.XU patent/CN212276236U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114942866A (en) * | 2021-02-17 | 2022-08-26 | Aptiv技术有限公司 | LIN main testing device |
| CN113608516A (en) * | 2021-06-30 | 2021-11-05 | 华人运通(上海)自动驾驶科技有限公司 | Functional safety fault injection test system and method for advanced driving assistance system |
| CN113595817A (en) * | 2021-07-19 | 2021-11-02 | 上汽通用五菱汽车股份有限公司 | LIN communication fault injection method, system and storage medium |
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