CN113960980A - Configurable OBD (on-board diagnostics) diagnosis method - Google Patents
Configurable OBD (on-board diagnostics) diagnosis method Download PDFInfo
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- CN113960980A CN113960980A CN202111198200.9A CN202111198200A CN113960980A CN 113960980 A CN113960980 A CN 113960980A CN 202111198200 A CN202111198200 A CN 202111198200A CN 113960980 A CN113960980 A CN 113960980A
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002405 diagnostic procedure Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
- 238000012163 sequencing technique Methods 0.000 claims description 4
- 238000010224 classification analysis Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000004092 self-diagnosis Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000008595 infiltration Effects 0.000 description 1
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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
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0262—Confirmation of fault detection, e.g. extra checks to confirm that a failure has indeed occurred
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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
Abstract
The invention relates to the technical field of vehicle self-diagnosis systems, and discloses a configurable OBD (on-board diagnostics) diagnosis method, which comprises the following steps: 1) editing display data, establishing a target vehicle type, editing, sorting and storing the display data of the target vehicle type, 2) editing a CAN database, writing a protocol of vehicle data into the CAN database in a background of a diagnostic instrument according to the sorting of a data display list in the step 1), writing CAN requesting the vehicle data into the database, 3) updating a client, selecting the target vehicle type in the step 1) in the client, pushing the display list in the step 2) to the client by the background of the diagnostic instrument, and then pushing the CAN database to an OBD diagnostic instrument. The OBD diagnosis background server is used for configuring data of the OBD diagnosis equipment to read data of various vehicle types, the product is made to be universal to adapt to more vehicle types as much as possible, and the use cost is saved while the convenience in use of a user is guaranteed.
Description
Technical Field
The invention relates to the technical field of vehicle self-diagnosis systems, in particular to a configurable OBD (on-board diagnostics) diagnosis method.
Background
With the vigorous promotion of new energy automobiles in China, the new energy automobiles are developed at a high speed, the technology is changed day by day, intelligentization, networking, electromotion and sharing are performed to accelerate infiltration, more and more new energy automobile types are produced, and different data are required to be displayed to analyze the running state of the automobiles in different stages.
The currently adopted common means is that vehicle data are collected by a diagnosis device and sent to a handheld device for diagnosis, the existing diagnosis device supports fixed vehicle types, a user is inconvenient to expand data requirements, the existing vehicle diagnosis device is single in analysis data, data display and diagnosis functions CAN be performed for popular vehicle types, but data analysis and diagnosis functions are not supported for new energy vehicles with different days and months, and the existing diagnosis device does not support a CAN (controller area network) database, so that a configurable OBD diagnosis method is provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the configurable OBD diagnosis method provided by the invention has the advantages of realizing data reading of various vehicle types, ensuring convenient use of users and saving cost, and solves the problems that the existing diagnosis equipment does not support a CAN database, the analysis data is single and the requirement of the users for expanding data is inconvenient.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a configurable OBD diagnostic method comprising the steps of:
1) editing the display data, establishing a target vehicle type, and editing, sequencing and storing the display data of the target vehicle type.
2) Editing the CAN database, writing the protocol of the vehicle data into the CAN database in the background of the diagnostic instrument according to the sequence of the data display list in the step 1), and writing the CAN requesting the vehicle data into the database.
3) Updating the client, selecting the target vehicle in the step 1) in the client, pushing the display list in the step 2) to the client by the background of the diagnostic instrument, and then pushing the CAN database to the OBD diagnostic instrument.
4) And (3) acquiring data, receiving the designated CAN data according to the configuration of the database after the OBD diagnostic instrument receives the CAN database in the step 2), sending the designated CAN data to request the vehicle data, analyzing the vehicle data according to the CAN database, and packaging and uploading the vehicle data.
5) And displaying the data, namely performing classification analysis according to the data collected in the client and drawing a graph.
Further, the target vehicle type in the step 1) is sampled by using a real vehicle, and the editing of the display data in the step 1) comprises byte length, offset and precision.
Further, one display data in the step 2) corresponds to one CAN analysis data, and the OBD diagnosis equipment in the step 2) requests the data and analyzes the data through a CAN database.
Further, the client in the step 3) sends the CAN data to the Bluetooth module through a database in the OBD diagnostic apparatus, and the Bluetooth module sends and displays the list information to receive the CAN data.
Further, the display data stored in the step 1) generates a data display list, and the data display list is viewed through the client.
Further, the client in the step 5) displays and updates the received data in real time, in the step 2), the data display list CAN be increased to reduce the data volume, and the data display list and the CAN database correspond to each other and support the CAN request.
(III) advantageous effects
Compared with the prior art, the invention provides a configurable OBD diagnosis method, which has the following beneficial effects:
1. according to the configurable OBD diagnosis method, the data of the OBD diagnosis equipment is configured through the OBD diagnosis background server, so that data reading of various vehicle types is achieved, products are made to be universal to adapt to more vehicle types as much as possible, convenience in use of users is guaranteed, and meanwhile, the use cost is saved.
2. The configurable OBD diagnosis method has the advantages that data are edited according to requirements, flexible configuration is realized, various vehicle types are adapted, a client can edit the OBD diagnosis method by himself, and the technical scheme of the client is effectively protected from being leaked.
Drawings
Fig. 1 is a logic flow diagram of a configurable OBD diagnostic method of 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 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. 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.
Example (b): a configurable OBD diagnostic method comprising the steps of:
1) editing display data, establishing a target vehicle type, editing, sequencing and storing the display data of the target vehicle type, wherein the editing and sequencing are performed on the byte length, offset and precision of each piece of display data, the target vehicle type is stored after all pieces of data to be displayed are edited, a corresponding data display list can be generated, and the corresponding vehicle type can be checked and the display list can be updated in a client, namely a WeChat applet.
2) Editing a CAN database, writing a protocol of vehicle data into the CAN database in a background of the diagnostic instrument according to the sequence of the data display list in the step 1), wherein one piece of display data corresponds to one piece of CAN analysis data, writing the CAN requesting the vehicle data into the database, and requesting and analyzing the data by OBD diagnostic equipment through the CAN database.
3) Updating the client, namely selecting the target vehicle type in the step 1) in the client, pushing the display list in the step 2) to the client, namely a WeChat small program, by the background of the diagnostic instrument, and then pushing the CAN database to the OBD diagnostic instrument.
4) And (3) acquiring data, receiving the designated CAN data according to the configuration of the database after the OBD diagnostic instrument receives the CAN database in the step 2), sending the designated CAN data to request the vehicle data, and analyzing the vehicle data according to the CAN database.
5) And data display, namely, classifying and analyzing the data received by the client, namely the WeChat small program, then displaying the data on a real-time page of the WeChat small program, and forming a curve according to continuously acquired data.
The invention has the beneficial effects that: data reading of various vehicle types is achieved by configuring data of OBD diagnostic equipment through an OBD diagnostic background server, products are made to be universal to adapt to more vehicle types as far as possible, the use cost is saved while the use convenience of a user is guaranteed, the user can edit the data according to the requirements of the user, the user can edit the data, the technical scheme of the user is effectively protected from being leaked, and the use safety is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A configurable OBD diagnostic method, comprising the steps of:
1) editing the display data, establishing a target vehicle type, and editing, sequencing and storing the display data of the target vehicle type.
2) Editing the CAN database, writing the protocol of the vehicle data into the CAN database in the background of the diagnostic instrument according to the sequence of the data display list in the step 1), and writing the CAN requesting the vehicle data into the database.
3) Updating the client, selecting the target vehicle type in the step 1) in the client, pushing the display list in the step 2) to the client by the background of the diagnostic instrument, and then pushing the CAN database to the OBD diagnostic instrument.
4) And (3) acquiring data, receiving the designated CAN data according to the configuration of the database after the OBD diagnostic instrument receives the CAN database in the step 2), sending the designated CAN data to request the vehicle data, analyzing the vehicle data according to the CAN database, and packaging and uploading the vehicle data.
5) And displaying the data, namely performing classification analysis according to the data collected in the client and drawing a graph.
2. The configurable OBD diagnosis method according to claim 1, wherein the target vehicle type in step 1) is sampled by a real vehicle, and the editing of the display data in step 1) includes byte length, offset and precision.
3. The configurable OBD diagnostic method according to claim 1, wherein one display data in step 2) corresponds to one CAN analysis data, and the OBD diagnostic device in step 2) requests and analyzes the data through a CAN database.
4. The configurable OBD diagnosis method according to claim 1, wherein the client in step 3) transmits the CAN data to the bluetooth module through a database in the OBD diagnosis apparatus, and the bluetooth module transmits the display list information for receiving.
5. The configurable OBD diagnostic method according to claim 1, wherein the display data saved in step 1) generates a data display list, and the data display list is viewed by a client.
6. The configurable OBD diagnosis method according to claim 1, wherein the client in step 5) displays and updates the received data in real time, and in step 2), the data display list is increased to reduce the data amount, and the data display list corresponds to the CAN database and supports CAN requests.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111198200.9A CN113960980A (en) | 2021-10-14 | 2021-10-14 | Configurable OBD (on-board diagnostics) diagnosis method |
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| CN202111198200.9A CN113960980A (en) | 2021-10-14 | 2021-10-14 | Configurable OBD (on-board diagnostics) diagnosis method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2302597A1 (en) * | 2009-09-17 | 2011-03-30 | Texa S.p.A. | Programmable on-board vehicle diagnostic system |
| CN103197666A (en) * | 2013-03-26 | 2013-07-10 | 重庆邮电大学 | General-type handheld automobile fault diagnostic instrument |
| CN103293008A (en) * | 2013-06-27 | 2013-09-11 | 长城汽车股份有限公司 | Automobile diagnosing device |
| CN109895712A (en) * | 2019-03-01 | 2019-06-18 | 车智互联（北京）科技有限公司 | The method for reading the automobile information of OBD equipment by serial ports and being shown |
| WO2020220952A1 (en) * | 2019-04-30 | 2020-11-05 | 长城汽车股份有限公司 | Data transmission method for internet of vehicles, and device |
-
2021
- 2021-10-14 CN CN202111198200.9A patent/CN113960980A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2302597A1 (en) * | 2009-09-17 | 2011-03-30 | Texa S.p.A. | Programmable on-board vehicle diagnostic system |
| CN103197666A (en) * | 2013-03-26 | 2013-07-10 | 重庆邮电大学 | General-type handheld automobile fault diagnostic instrument |
| CN103293008A (en) * | 2013-06-27 | 2013-09-11 | 长城汽车股份有限公司 | Automobile diagnosing device |
| CN109895712A (en) * | 2019-03-01 | 2019-06-18 | 车智互联（北京）科技有限公司 | The method for reading the automobile information of OBD equipment by serial ports and being shown |
| WO2020220952A1 (en) * | 2019-04-30 | 2020-11-05 | 长城汽车股份有限公司 | Data transmission method for internet of vehicles, and device |
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