CN110647139B - Evaluation test tool and evaluation test method for OBD (on-Board diagnostics) mass production vehicle - Google Patents
Evaluation test tool and evaluation test method for OBD (on-Board diagnostics) mass production vehicle Download PDFInfo
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- CN110647139B CN110647139B CN201910963112.XA CN201910963112A CN110647139B CN 110647139 B CN110647139 B CN 110647139B CN 201910963112 A CN201910963112 A CN 201910963112A CN 110647139 B CN110647139 B CN 110647139B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses an evaluation test tool for an OBD (on-board diagnostics) mass production vehicle, which comprises: vehicle controller network, CAN wiFi module, panel computer and OBD PVE APP, vehicle controller passes through CAN wiFi module and links to each other with the panel computer signal, OBD PVE APP installs in the inside of panel computer, an OBD volume production car aassessment test method, including hardware connection, operation OBD PVE App, open standardized verification, open monitoring requirement verification and open the monitoring performance verification of using now, improve the degree of automation of OBD PVE test, reduce the technical requirement to operating personnel, automatic record data and test result generate normative report file, promote PVE efficiency of software testing.
Description
Technical Field
The invention belongs to the technical field of vehicle evaluation and test, particularly relates to an evaluation and test tool for an OBD (on-board diagnostics) mass production vehicle, and also relates to an evaluation and test method for the OBD mass production vehicle.
Background
OBD is the abbreviation of English On Board Diagnostics, chinese translates into "vehicle automatic diagnostic system", this system will monitor whether the car tail gas exceeds standard from the running condition of the Engine at any time, once exceed standard, will send out the warning immediately, when the system breaks down, the trouble light (MIL) or checks the Engine warning light (Check Engine) to light, the power assembly control module (PCM) stores the trouble information into the memorizer at the same time, can read out the trouble code from PCM through certain procedure, according to the suggestion of the trouble code, the maintenance personal can confirm the nature and position of the trouble rapidly and accurately.
The OBD system is required to be subjected to volume production vehicle quantity evaluation test (PVE) after vehicle quantity production, the compliance of the OBD system is verified, the OBD diagnostic instrument can realize a diagnostic communication function and can transmit a diagnostic result to the outside, however, when the OBD diagnostic instrument is applied to PVE test, the OBD diagnostic instrument is seriously dependent on an operator, and a tool does not have the capability of coping with PVE test procedures and is not beneficial to use.
Disclosure of Invention
The invention aims to provide an evaluation test tool and an evaluation test method for an OBD (on-board diagnostics) mass production vehicle, which aim to solve the problems in the prior art in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme: an OBD volume production vehicle evaluation test tool, comprising: the system comprises a vehicle controller network, a CAN WiFi module, a tablet computer and an OBD PVE APP, wherein the vehicle controller is in signal connection with the tablet computer through the CAN WiFi module, and the OBD PVE APP is installed inside the tablet computer;
the CAN WiFi module is used for being connected with a vehicle standard OBD interface of the vehicle-mounted controller, transmitting CAN data through Wifi and realizing diagnosis communication between the vehicle-mounted controller and the tablet personal computer;
the tablet personal computer comprises a processor, a storage, a camera, a voice broadcast sound, a touch display screen, a battery and a communication module, wherein the processor is respectively in signal connection with the storage, the camera, the voice broadcast sound, the touch display screen and the communication module;
the OBD PVE APP is installed inside the memory.
Preferably, the model of the CAN WiFi module is GCAN-211.
Preferably, the system of the tablet computer adopts an android system or an IOS system.
The invention also provides an OBD (on-board diagnostics) mass production vehicle evaluation test method, which comprises the following steps:
s1: hardware connection: arranging test equipment according to the PVE test requirements of the vehicle, accessing a CAN Wifi module to a vehicle controller local area network through a standard OBD interface, and collecting the position of a fault indicator light (MIL) state by a camera installed on a tablet personal computer;
s2: running OBD PVE App: opening an OBD PVE App application software program, inputting a user name and a password for logging in, selecting a test item to be performed after logging in, and automatically starting tests in sequence after selecting;
s3: opening standardized verification: the OBD PVE App is communicated with a vehicle controller through a CAN Wifi module, a standard communication protocol and a communication baud rate are automatically identified, and the following automatic test flow is carried out;
1) Whether correct communication can be carried out between the OBD PVE tool and the vehicle controller is automatically tested, and an OBD PVE App interface displays a result;
2) Detecting the ready states of all vehicle-mounted computers, and displaying results on an OBD PVE App interface;
3) The method comprises the following steps that an App prompts an operator to operate and stop an engine, an MIL state is collected through a camera after the operation is finished, whether the MIL ready state meets the regulation requirement or not is automatically judged in the App, and an OBD PVE App interface displays a result;
4) Checking whether the data stream parameters meet the standard requirements, and displaying the result on an OBD PVE App interface;
5) Reading CAL ID, CVN, VIN and ECU name, checking whether the standard requirements are met or not, and displaying the result on the OBD PVE App interface;
6) Checking that the emission-related fault codes meet the standard requirements, and displaying the result on an OBD PVE App interface;
7) Whether the vehicle controller can normally respond to the requests of clearing fault codes and resetting the ready state of the OBD PVE tool is checked, and result information is displayed on an OBD PVE App interface;
8) After the test flow is finished, automatically generating a test report, and recording various test contents and test results in the report;
s4: starting monitoring requirement verification: various test contents are built in the OBD PVE App, test items are automatically imported after test objects are selected, and the following test procedures are executed;
1) The OBD PVE App interface displays the test items, prompts an operator to perform corresponding operation through characters and voice, and performs operation confirmation on the OBD PVE App interface after the operation is completed;
2) After the operation is confirmed, the OBD PVE App automatically reads the fault code acquisition MIL state and judges whether the test result passes;
3) Completing the testing process item by item according to the automatically imported testing items, generating a report file after the testing process is finished, and recording the contents of the testing items, the testing method and the testing result;
s5: start-in-use monitoring performance verification: after selecting the test item, the App automatically reads information such as the in-use monitoring performance data (IUPR), production enterprises, vehicle models and the like required by regulations, judges whether the in-use monitoring performance meets the requirements of the regulations, automatically generates a report, and displays corresponding information and results.
Preferably, in the steps S3 to S5, the start standardization verification, the start monitoring requirement verification, and the start-use monitoring performance verification are all in accordance with the requirements of the GB18352.6-2016 regulations.
The invention has the technical effects and advantages that: compared with the prior art, the evaluation test tool and the evaluation test method for the OBD mass production vehicle provided by the invention have the following advantages:
by configuring the CAN WiFi module for the mutual transmission function between the vehicle controller network and the WIFI data, a user CAN use a tablet personal computer to connect the module to monitor and send data in the original factory, CAN also use two terminals to complete wireless interconnection of two CAN buses, CAN select a TCP Server, a TCP Client and a UDP mode, and is convenient to select according to equipment required by actual projects; through installing OBD PVE APP in the panel computer, under the regulation requirement of GB18352.6-2016, the evaluation test step is realized, and the prompt can be carried out on an operator, so that the automation degree of the OBD PVE test is improved, the skill requirement on the operator is reduced, the data and the test result are automatically recorded to generate a standard report file, and the PVE test efficiency is improved.
Drawings
FIG. 1 is a schematic block diagram of an OBD mass production vehicle evaluation test tool of the present invention;
fig. 2 is a schematic block diagram of an OBD mass-production vehicle evaluation testing method according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an OBD mass production vehicle evaluation testing tool, including: the system comprises a vehicle controller network, a CAN WiFi module, a tablet computer and an OBD PVE APP, wherein the vehicle controller is in signal connection with the tablet computer through the CAN WiFi module, and the OBD PVE APP is installed inside the tablet computer;
the CAN WiFi module is used for being connected with a vehicle standard OBD interface of a vehicle-mounted controller, transmitting CAN data through Wifi and realizing diagnosis communication between the vehicle-mounted controller and a tablet computer, and the model of the CAN WiFi module is GCAN-211, and the GCAN-211 has a frame format of 1.CAN-bus supporting CAN2.0A and CAN2.0B and accords with the ISO/DIS 11898 standard; the flexible CAN port data is arranged in frames, so that various subpackage requirements of users are met; each CAN port CAN be respectively configured into different working modes, and CAN be flexibly applied to various fields; each CAN port also opens a diagnosis port, and the upper computer CAN acquire the error state of the corresponding CAN port by connecting the diagnosis port; the CAN-bus communication baud rate is freely programmable between 5Kbps-1 Mbps; the precision of the time stamp of the received message at the CAN end reaches 1us, so that the conversion CAN be better realized;
the tablet personal computer comprises a processor, a storage, a camera, a voice broadcast sound, a touch display screen, a battery and a communication module, wherein the processor is respectively in signal connection with the storage, the camera, the voice broadcast sound, the touch display screen and the communication module;
the OBD PVE APP is installed inside the memory.
Referring to fig. 2, the present invention also provides an OBD mass production vehicle evaluation testing method, including the following steps:
s1: hardware connection: arranging test equipment according to the PVE test requirements of the vehicle, accessing a CAN Wifi module to a vehicle controller local area network through a standard OBD interface, and collecting the position of a fault indicator light (MIL) state by a camera installed on a tablet personal computer;
s2: running the OBD PVE App: opening an OBD PVE App application software program, inputting a user name and a password for logging in, selecting a test item to be performed after logging in, and automatically starting tests in sequence after selecting;
s3: opening standardized verification: the OBD PVE App is communicated with a vehicle controller through a CAN Wifi module, a standard communication protocol and a communication baud rate are automatically identified, and the following automatic test flow is carried out;
1) Whether correct communication can be carried out between the OBD PVE tool and the vehicle controller or not is automatically tested, and the result is displayed on an OBD PVE App interface;
2) Detecting the ready states of all vehicle-mounted computers, and displaying results on an OBD PVE App interface;
3) The App prompts an operator to operate and stop the engine, the MIL state is collected through the camera after the operation is finished, whether the MIL ready state meets the requirements of regulations or not is automatically judged in the App, and the result is displayed on an OBD PVE App interface;
4) Checking whether the data stream parameters meet the standard requirements, and displaying the result on an OBD PVE App interface;
5) Reading CAL ID, CVN, VIN and ECU name, checking whether the standard requirements are met or not, and displaying the result on the OBD PVE App interface;
6) Checking that the emission-related fault codes meet the standard requirements, and displaying the result on an OBD PVE App interface;
7) Whether the vehicle controller can normally respond to the requests of clearing fault codes and resetting the ready state of the OBD PVE tool is checked, and result information is displayed on an OBD PVE App interface;
8) After the test flow is finished, automatically generating a test report, and recording various test contents and test results in the report;
s4: starting monitoring requirement verification: various test contents are built in the OBD PVE App, test items are automatically imported after test objects are selected, and the following test procedures are executed;
1) The OBD PVE App interface displays the test items, prompts an operator to perform corresponding operation through characters and voice, and performs operation confirmation on the OBD PVE App interface after the operation is completed;
2) After the operation is confirmed, the OBD PVE App automatically reads the fault code acquisition MIL state and judges whether the test result passes;
3) Completing the testing process item by item according to the automatically imported testing items, generating a report file after the testing process is finished, and recording the content of the testing items, the testing method and the testing result;
s5: start-in-use monitoring performance verification: after selecting the test item, the App automatically reads information such as the in-use monitoring performance data (IUPR), production enterprises, vehicle models and the like required by regulations, judges whether the in-use monitoring performance meets the requirements of the regulations, automatically generates a report, and displays corresponding information and results.
Specifically, in the steps S3-S5, the start standardization verification, the start monitoring requirement verification and the start in-use monitoring performance verification are all in accordance with the GB18352.6-2016 regulatory requirements.
In summary, the following steps: according to the invention, the CAN WiFi module is configured for the mutual transmission function between the vehicle controller network and the WIFI data, so that a user CAN use the tablet personal computer to connect the module to monitor and send data in the original factory, and CAN also use two terminals to complete the wireless interconnection of two CAN buses, and TCP Server, TCP Client and UDP modes CAN be selected, thereby facilitating the selection according to the equipment required by the actual project; through installing OBD PVE APP in the panel computer, under the regulation requirement of GB18352.6-2016, the evaluation test step is realized, and the prompt can be carried out on an operator, so that the automation degree of the OBD PVE test is improved, the skill requirement on the operator is reduced, the data and the test result are automatically recorded to generate a standard report file, and the PVE test efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. An evaluation test method of an evaluation test tool of an OBD (on-board diagnostics) mass production vehicle is characterized in that the evaluation test tool comprises the following steps: the system comprises a vehicle controller network, a CAN WiFi module, a tablet computer and an OBD PVE APP, wherein the vehicle controller is in signal connection with the tablet computer through the CAN WiFi module, and the OBD PVE APP is installed inside the tablet computer;
the CAN WiFi module is used for being connected with a vehicle standard OBD interface of the vehicle-mounted controller, transmitting CAN data through Wifi and realizing diagnosis communication between the vehicle-mounted controller and the tablet personal computer;
the tablet personal computer comprises a processor, a storage, a camera, a voice broadcast sound, a touch display screen, a battery and a communication module, wherein the processor is respectively in signal connection with the storage, the camera, the voice broadcast sound, the touch display screen and the communication module;
the OBD PVE APP is installed inside the memory;
the evaluation test method comprises the following steps:
s1: hardware connection: arranging test equipment according to the PVE test requirements of the vehicle, accessing a CAN Wifi module to a vehicle controller local area network through a standard OBD interface, and collecting the position of the MIL state of a fault indicator lamp by a camera arranged on a tablet computer;
s2: running the OBD PVE App: opening an OBD PVE App application software program, inputting a user name and a password for logging in, selecting a test item to be performed after logging in, and automatically starting tests in sequence after selecting;
s3: opening standardized verification: the OBD PVE App is communicated with a vehicle controller through a CAN Wifi module, a standard communication protocol and a communication baud rate are automatically identified, and the following automatic test flow is carried out;
whether correct communication can be carried out between the OBD PVE tool and the vehicle controller is automatically tested, and an OBD PVE App interface displays a result;
detecting the ready states of all vehicle-mounted computers, and displaying results on an OBD PVE App interface;
the method comprises the following steps that an App prompts an operator to operate and stop an engine, an MIL state is collected through a camera after the operation is finished, whether the MIL ready state meets the regulation requirement or not is automatically judged in the App, and an OBD PVE App interface displays a result;
checking whether the data stream parameters meet the standard requirements, and displaying the result on an OBD PVE App interface;
reading CAL ID, CVN, VIN and ECU name, checking whether the standard requirements are met or not, and displaying the result on the OBD PVE App interface;
checking that the emission-related fault codes meet the standard requirements, and displaying the result on an OBD PVE App interface;
whether the vehicle controller can normally respond to the requests of clearing fault codes and resetting the ready state of the OBD PVE tool is checked, and result information is displayed on an OBD PVE App interface;
after the test flow is finished, automatically generating a test report, and recording various test contents and test results in the report;
s4: starting monitoring requirement verification: various test contents are built in the OBD PVE App, test items are automatically imported after test objects are selected, and the following test procedures are executed;
the OBD PVE App interface displays the test items, prompts an operator to perform corresponding operation through characters and voice, and performs operation confirmation on the OBD PVE App interface after the operation is completed;
after the operation is confirmed, the OBD PVE App automatically reads the fault code acquisition MIL state and judges whether the test result passes;
completing the testing process item by item according to the automatically imported testing items, generating a report file after the testing process is finished, and recording the content of the testing items, the testing method and the testing result;
s5: start-in-use monitoring performance verification: after selecting the test item, the App automatically reads the monitoring performance data IUPR required by the regulations, the manufacturing enterprises and the vehicle type information, and generates a report after judging the result.
2. The evaluation test method according to claim 1, wherein: the model of the CAN WiFi module is GCAN-211.
3. The evaluation test method according to claim 1, wherein: the system of the tablet computer adopts an android system or an IOS system.
4. The evaluation test method according to claim 1, wherein: in the steps S3-S5, the start standardization verification, the start monitoring requirement verification and the start in-use monitoring performance verification are all in accordance with the GB18352.6-2016 regulatory requirements.
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| CN111510355A (en) * | 2020-04-28 | 2020-08-07 | 扬州亚星客车股份有限公司 | Automatic sequence test system and method for CAN communication of whole vehicle |
| CN112269088A (en) * | 2020-10-26 | 2021-01-26 | 东风汽车集团有限公司 | Engine PVE fault diagnosis test device and method |
| DE102021117505B3 (en) | 2021-07-07 | 2022-07-28 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Apparatus and method for automated failure response simulation |
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