CN111880021A - Bus consistency automatic test platform and implementation method thereof - Google Patents
Bus consistency automatic test platform and implementation method thereof Download PDFInfo
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- CN111880021A CN111880021A CN202010521941.5A CN202010521941A CN111880021A CN 111880021 A CN111880021 A CN 111880021A CN 202010521941 A CN202010521941 A CN 202010521941A CN 111880021 A CN111880021 A CN 111880021A
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- 238000012360 testing method Methods 0.000 title claims abstract description 190
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- 238000012795 verification Methods 0.000 abstract description 8
- 230000003252 repetitive effect Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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Abstract
The invention provides an automatic test platform for bus consistency, which comprises a circuit load box, an upper computer and at least two test devices, wherein the circuit load box is connected with the upper computer; the resistance load box receives a corresponding control instruction sent by the upper computer to control one or more test devices to be communicated or disconnected with the upper computer and the automobile bus to be tested; the upper computer issues a corresponding control instruction to the circuit load box, configures corresponding test parameters for each connected test device, further receives a test result fed back by each test device configured with the test parameters after testing the automobile bus to be tested, and analyzes the consistency of the automobile bus to be tested; after each testing device is communicated with the upper computer and the automobile bus to be tested, the testing device receives testing parameters configured by the upper computer and loads the testing parameters on the automobile bus to be tested for testing, and corresponding testing results are formed and displayed and fed back to the upper computer. The invention can improve the testing efficiency, reduce the repetitive testing work, reduce the personal error and shorten the verification testing time.
Description
Technical Field
The invention relates to the technical field of automobile electronic detection, in particular to an automatic bus consistency test platform and an implementation method thereof.
Background
With the continuous development of the current automobile industry, the automobile electronic industry is also continuously improved, and along with the improvement of enterprise research and development and production capacity, the demand for the automatic test of the automobile bus is also continuously increased. The automobile bus is a control nerve center of each electronic control unit of the automobile and is important for the reliable operation of the automobile. In the development and production stage of the electronic control unit, the bus consistency test needs to be performed on the electronic control unit so as to verify the working stability of the bus of the electronic control unit.
In the whole automobile, along with the continuous increase of the number of various electronic control units and the shorter and shorter development period, a large amount of test verification work is needed in the development process, however, errors caused by manual verification tests are frequently generated, so that the standardization of test operation steps is not uniform, and the test work has more repeatability, so that the working efficiency is low. In addition, the manual test frequency is limited, the test period is long, and the test verification process needs to be improved.
Therefore, a bus consistency test platform is needed to improve the test efficiency, reduce the repetitive test work, reduce the human error, and shorten the verification test time.
Disclosure of Invention
The invention aims to provide an automatic bus consistency test platform and an implementation method thereof, which can improve the test efficiency, reduce the repetitive test work, reduce the human error and shorten the verification test time.
In order to solve the technical problem, an embodiment of the present invention provides an automatic bus consistency test platform, which is used for testing consistency of a bus of an automobile to be tested, and includes a circuit load box, an upper computer, and at least two test devices; wherein,
the resistance load box is connected with the upper computer, each testing device and the automobile bus to be tested and is used for receiving corresponding control instructions sent by the upper computer to control one or more testing devices to be communicated or disconnected with the upper computer and the automobile bus to be tested;
the upper computer is used for issuing corresponding control instructions to the circuit load box, configuring corresponding test parameters for each connected test device, further receiving test results fed back by each test device with the configured test parameters after testing the automobile bus to be tested, and analyzing the consistency of the automobile bus to be tested;
each testing device is used for receiving the corresponding testing parameters configured by the upper computer after the upper computer and the automobile bus to be tested are communicated, loading the received testing parameters on the automobile bus to be tested for testing, and displaying and feeding back corresponding testing results to the upper computer.
Wherein, the circuit load box is a relay group.
The testing equipment comprises an oscilloscope, a program-controlled multimeter, a program-controlled power supply and a CANstress testing device.
The oscilloscope is provided with four test channels for capturing and analyzing bus waveforms; the program-controlled universal meter is used for measuring current, voltage and resistance values; the program-controlled power supply is used for providing a test voltage; and the CANstress testing device is used for interfering the bus.
The upper computer is internally provided with CANoe software and is simulated through a VN1640A hardware card.
The embodiment of the invention also provides a method for realizing the bus consistency automatic test platform, which is used for carrying out consistency test on the bus of the automobile to be tested through the bus consistency automatic test platform and comprises the following steps:
the upper computer sends a corresponding control instruction to the circuit load box, and the resistance load box controls one or more test devices to be communicated or disconnected with the upper computer and the automobile bus to be tested according to the received corresponding control instruction;
after the upper computer is determined to be communicated with one or more test devices, corresponding test parameters are respectively configured for each communicated test device, and each test device configured with the test parameters is enabled to load the test parameters on the automobile bus to be tested respectively for testing to form corresponding test results to be displayed and fed back to the upper computer;
and the upper computer receives the test result fed back by each test device configured with the test parameters and analyzes the consistency of the bus of the automobile to be tested.
The testing equipment comprises an oscilloscope, a program-controlled multimeter, a program-controlled power supply and a CANstress testing device.
The upper computer is internally provided with CANoe software and is simulated through a VN1640A hardware card.
The embodiment of the invention has the following beneficial effects:
1. the invention replaces manual bus consistency test, saves labor cost and realizes automatic test;
2. the invention adopts the upper computer to control each testing device to work, and is flexible and suitable for different testing items;
3. the design of the invention can be suitable for bus consistency test work of different products;
4. the invention replaces manual test, and can carry out repeatability verification test when a large amount of data is collected;
5. the invention automatically runs and tests by software, reduces manual test errors and improves test stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an automatic bus conformance testing platform according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for implementing an automatic bus conformance testing platform according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides an automatic bus consistency test platform for testing consistency of a bus to be tested, including a circuit load box 1, an upper computer 2, and at least two test devices 3; wherein,
the resistance load box 1 is connected with the upper computer 2, each testing device 3 and the automobile bus to be tested and is used for receiving corresponding control instructions sent by the upper computer 1 to control one or more testing devices 3 to be communicated or disconnected with the upper computer 2 and the automobile bus to be tested; wherein, the circuit load box is a relay group or a multi-path multi-throw switch;
the upper computer 2 is used for issuing corresponding control instructions to the circuit load box 1, configuring corresponding test parameters for each connected test device 3, further receiving a test result fed back by each test device 3 with the configured test parameters after testing the automobile bus to be tested, and analyzing the consistency of the automobile bus to be tested; the upper computer 2 is a PC (personal computer), is internally provided with CANoe software and is simulated through a VN1640A hardware card;
each testing device 3 is used for receiving the corresponding testing parameters configured by the upper computer 2 after the upper computer 2 and the automobile bus to be tested are communicated, loading the received testing parameters on the automobile bus to be tested for testing, forming a corresponding testing result, displaying and feeding back the corresponding testing result to the upper computer 2; the test equipment 3 comprises an oscilloscope, a program-controlled multimeter, a program-controlled power supply and a CANstress test device; the wave filter is provided with four test channels for capturing and analyzing bus waveforms; the program-controlled universal meter is used for measuring current, voltage and resistance value; the program-controlled power supply is used for providing a test voltage; and the CANstress testing device is used for interfering the bus.
The working principle of the automatic bus consistency test platform in the embodiment of the invention is that firstly, an upper computer 2 sends a corresponding control instruction to a circuit load box 1, and the circuit load box 1 selects a test device 3 which needs to be communicated with the upper computer 2 and a bus of a vehicle to be tested; after the upper computer 2 and the automobile bus to be tested are communicated with the corresponding test equipment 3, the upper computer 2 configures corresponding test parameters for each communicated test equipment 3, so that the test equipment 3 is loaded on the automobile bus to be tested to perform testing according to the configured test parameters and obtain respective test results; meanwhile, the test equipment 3 displays respective test results and feeds the respective test results back to the upper computer 2; and the upper computer 2 analyzes all test results through built-in software or programs and judges whether the consistency of the automobile bus to be tested is qualified or not according to the analysis results.
As shown in fig. 2, in an embodiment of the present invention, a method for implementing an automatic bus consistency test platform is provided, where a consistency test is performed on an automobile bus to be tested by using the automatic bus consistency test platform, and the method includes the following steps:
s1, the upper computer sends a corresponding control instruction to the circuit load box, and the resistance load box controls one or more test devices to be communicated or disconnected with the upper computer and the bus of the automobile to be tested according to the received corresponding control instruction;
step S2, after the upper computer is determined to be communicated with one or more test devices, configuring corresponding test parameters for each communicated test device, and enabling each test device configured with the test parameters to load the test parameters on the automobile bus to be tested respectively for testing to form corresponding test results to be displayed and fed back to the upper computer;
and step S3, the upper computer receives the test result fed back by each test device configured with the test parameters, and the bus consistency of the automobile to be tested is analyzed.
The testing equipment comprises an oscilloscope, a program-controlled multimeter, a program-controlled power supply and a CANstress testing device.
The upper computer is internally provided with CANoe software and is simulated through a VN1640A hardware card.
The embodiment of the invention has the following beneficial effects:
1. the invention replaces manual bus consistency test, saves labor cost and realizes automatic test;
2. the invention adopts the upper computer to control each testing device to work, and is flexible and suitable for different testing items;
3. the design of the invention can be suitable for bus consistency test work of different products;
4. the invention replaces manual test, and can carry out repeatability verification test when a large amount of data is collected;
5. the invention automatically runs and tests by software, reduces manual test errors and improves test stability.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (8)
1. An automatic bus consistency test platform is used for testing the consistency of a bus of an automobile to be tested and is characterized by comprising a circuit load box, an upper computer and at least two test devices; wherein,
the resistance load box is connected with the upper computer, each testing device and the automobile bus to be tested and is used for receiving corresponding control instructions sent by the upper computer to control one or more testing devices to be communicated or disconnected with the upper computer and the automobile bus to be tested;
the upper computer is used for issuing corresponding control instructions to the circuit load box, configuring corresponding test parameters for each connected test device, further receiving test results fed back by each test device with the configured test parameters after testing the automobile bus to be tested, and analyzing the consistency of the automobile bus to be tested;
each testing device is used for receiving the corresponding testing parameters configured by the upper computer after the upper computer and the automobile bus to be tested are communicated, loading the received testing parameters on the automobile bus to be tested for testing, and displaying and feeding back corresponding testing results to the upper computer.
2. The platform of claim 1, wherein the circuit load box is a relay bank.
3. The platform of claim 1, wherein the testing device comprises an oscilloscope, a programmable multimeter, a programmable power supply, and a CANstress testing apparatus.
4. The platform of claim 3, wherein the oscilloscope is formed with four test channels for capturing and analyzing bus waveforms; the program-controlled universal meter is used for measuring current, voltage and resistance values; the program-controlled power supply is used for providing a test voltage CANstress test device and is used for interfering the bus.
5. The automatic bus consistency test platform as claimed in claim 1, wherein CANoe software is built in the upper computer and is simulated through a VN1640A hardware card.
6. A method for realizing an automatic bus consistency test platform is characterized in that the automatic bus consistency test platform of any one of claims 1 to 3 is used for carrying out consistency test on an automobile bus to be tested, and the method comprises the following steps:
the upper computer sends a corresponding control instruction to the circuit load box, and the resistance load box controls one or more test devices to be communicated or disconnected with the upper computer and the automobile bus to be tested according to the received corresponding control instruction;
after the upper computer is determined to be communicated with one or more test devices, corresponding test parameters are respectively configured for each communicated test device, and each test device configured with the test parameters is enabled to load the test parameters on the automobile bus to be tested respectively for testing to form corresponding test results to be displayed and fed back to the upper computer;
and the upper computer receives the test result fed back by each test device configured with the test parameters and analyzes the consistency of the bus of the automobile to be tested.
7. The method of claim 6, wherein the testing device comprises an oscilloscope, a programmable multimeter, a programmable power supply, and a CANstress testing apparatus.
8. The method for implementing the bus consistency automatic test platform according to claim 6, wherein CANoe software is built in the upper computer, and simulation is performed through a VN1640A hardware card.
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| CN202010521941.5A CN111880021A (en) | 2020-06-10 | 2020-06-10 | Bus consistency automatic test platform and implementation method thereof |
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| CN202010521941.5A CN111880021A (en) | 2020-06-10 | 2020-06-10 | Bus consistency automatic test platform and implementation method thereof |
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Address after: No. 289 and 291, Binhai Second Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province, 325000 Applicant after: Zhejiang Changjiang Automobile Electronics Co.,Ltd. Address before: No.289, Binhai 2nd Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province 325000 Applicant before: WENZHOU CHANGJIANG AUTOMOBILE ELECTRONIC SYSTEM Co.,Ltd. |
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Application publication date: 20201103 |
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