CN106970609A - The diagnostic method and vehicle diagnostics box of vehicle diagnostics box - Google Patents
The diagnostic method and vehicle diagnostics box of vehicle diagnostics box Download PDFInfo
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- CN106970609A CN106970609A CN201710267913.3A CN201710267913A CN106970609A CN 106970609 A CN106970609 A CN 106970609A CN 201710267913 A CN201710267913 A CN 201710267913A CN 106970609 A CN106970609 A CN 106970609A
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- transceiver
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- vehicle diagnostics
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Small-Scale Networks (AREA)
Abstract
This application discloses a kind of diagnostic method of vehicle diagnostics box and vehicle diagnostics box.By setting multiple CAN transceivers in vehicle diagnostics box, multiple diagnostic tasks of host computer can be received simultaneously, multiple CAN transceivers are initialized, so as to set up multiple paths with multiple CAN transceivers, the plurality of CAN transceiver can be communicated with a plurality of CAN simultaneously by multiple paths, improve vehicle diagnostics efficiency.
Description
Technical field
The present invention relates to vehicle diagnostics technical field, more particularly to a kind of diagnostic method and vehicle diagnostics of vehicle diagnostics box
Box.
Background technology
The function of present vehicle becomes increasingly complex, the electronic control unit of vehicle body (Electronic Control Unit,
ECU it is) more and more, so CAN inside vehicle body is also not only all the way, different ECU face on different buses, to vapour
Car will often access the ECU on different bus when diagnosis, current diagnosis technology every can only go handover access respectively all the way, and
Two-way bus can not be accessed simultaneously.Specifically, there was only the transceiver of automobile CAN all the way inside diagnosis box typically now, just
It is to say that the same time can only access the system in a bus, if to visit again the system in another bus, this CAN
Transceiver will reinitialize parameter, vehicle diagnostics inefficiency.
The content of the invention
This application provides a kind of diagnostic method of vehicle diagnostics box and vehicle diagnostics box, to realize to multichannel CAN
While access, to improve vehicle diagnostics efficiency.
On the one hand there is provided a kind of diagnostic method of vehicle diagnostics box, the vehicle diagnostics box includes：It is connected with host computer
First interface, processor, at least two controller local area network's CAN transceivers and with onboard diagnostic system OBD diagnosis connect
The second interface of head connection, the processor connects the first interface, at least two CAN transceiver and second and connect respectively
Mouthful, the OBD diagnosis joint connects at least two CANs, and the processor control performs following operation：
The first interface is controlled to receive at least two diagnostic tasks of host computer, diagnostic task described in described at least two
Including with the corresponding messaging parameter that at least two CANs are communicated；
Inquire about the state of at least two CAN transceiver, the idle CAN transceiver of selection at least two；
Initialized using the idle CAN transceiver of the messaging parameter described at least two to selection, set up and
At least two passes between at least two CANs；
Control at least two CAN transceiver by least two passes simultaneously with corresponding described at least two
CAN communicates.
Preferably, every CAN connects at least one electronic control unit ECU, control at least two CAN
Transceiver is communicated with corresponding at least two CANs simultaneously by least two passes, including：
Control at least two CAN transceiver by least two passes simultaneously with corresponding described at least two
ECU communications in CAN.
Preferably, the messaging parameter includes：The baud rate that is communicated with corresponding at least two CANs,
ECU mark and pin.
Preferably, the control at least two CAN transceiver by least two passes simultaneously with it is corresponding
Corresponding ECU communications at least two CANs, including：
At least two CAN transceiver is controlled respectively to pass the data of the host computer by least two passes
It is defeated by the corresponding ECU；
At least two CAN transceiver is controlled to be received respectively by least two passes come self-corresponding described
ECU data.
Preferably, the control at least two CAN transceiver by least two passes simultaneously with it is corresponding
After at least two CANs communication, methods described also includes：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set
The state of any one CAN transceiver is idle condition.
On the other hand there is provided a kind of vehicle diagnostics box, the vehicle diagnostics box includes：First be connected with host computer connects
Mouth, processor, at least two controller local area network's CAN transceivers and diagnose joint with onboard diagnostic system OBD and be connected
Second interface, the processor connects the first interface, at least two CAN transceiver and second interface respectively, described
OBD diagnosis joints connect at least one CAN；
The first interface is used at least two diagnostic tasks for receiving host computer, diagnostic task described in described at least two
Including with the corresponding messaging parameter that at least two CANs are communicated；
The processor is used for the state for inquiring about at least two CAN transceiver, and the idle CAN of selection at least two is received
Send out device；
The processor is also used for the idle CAN transceiver of the messaging parameter described at least two to selection and entered
Row initialization, at least two passes set up between at least two CANs；
At least two CAN transceiver be used for by least two passes simultaneously with corresponding described at least two
CAN communicates.
Preferably, every electronic control unit ECU of CAN connection at least two, at least two CAN transceivers tool
Body is used for：Control at least two CAN transceiver by least two passes simultaneously with corresponding described at least two
ECU communications in CAN.
Preferably, at least two CAN transceiver is described specifically for controlling at least two CAN transceiver to pass through
At least two passes communicate with the ECU in corresponding at least two CANs simultaneously.
Preferably, at least two CAN transceiver specifically for：
At least two CAN transceiver is controlled respectively to pass the data of the host computer by least two passes
It is defeated by the corresponding ECU；
At least two CAN transceiver is controlled to be received respectively by least two passes come self-corresponding described
ECU data.
Preferably, the processor is additionally operable to：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set
The state of any one CAN transceiver is idle condition.
Using the technical scheme of the application, by setting multiple CAN transceivers in vehicle diagnostics box, it can receive simultaneously
Multiple CAN transceivers are initialized by multiple diagnostic tasks of position machine, so as to set up multiple logical with multiple CAN transceivers
Road, the plurality of CAN transceiver can be communicated with a plurality of CAN simultaneously by multiple paths, improve vehicle diagnostics effect
Rate.
Brief description of the drawings
Fig. 1 is a kind of interaction schematic diagram of the diagnostic method of vehicle diagnostics box provided in an embodiment of the present invention；
Fig. 2 is a kind of module diagram of vehicle diagnostics box provided in an embodiment of the present invention；
Fig. 3 is a kind of hardware architecture diagram of vehicle diagnosing system of example of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is retouched in detail
State.
It is a kind of interaction of the diagnostic method of vehicle diagnostics box provided in an embodiment of the present invention to refer to Fig. 1 and Fig. 2, Fig. 1
Schematic diagram, the module diagram of vehicle diagnostics box therein is as shown in Fig. 2 the vehicle diagnostics box 1000 includes：With host computer (not
Show, diagnostic software is provided with host computer, and user can issue diagnostic task by diagnostic software) connection first interface
(not shown), processor 11 (being, for example, CPU), at least two controller local area network's CAN transceivers 13 and and OBD
The second interface (not shown) that system OBD diagnosis joints 15 are connected, the processor 11 connects the first interface respectively, described
At least two CAN transceivers 13 and second interface, the OBD diagnosis joint 15 connect at least two CANs 14.This method can
Comprise the following steps：
S101, the control first interface receive at least two diagnostic tasks of host computer, are examined described in described at least two
Disconnected task includes and the corresponding messaging parameter that at least two CANs are communicated.
User to OBD box can issue multiple diagnostic tasks by host computer, and the plurality of diagnostic task can be pair
System in a plurality of CAN is diagnosed, and the system in every CAN can be detected by one or more ECU.
Each diagnostic task includes the messaging parameter communicated with corresponding CAN, and the messaging parameter can include：
Baud rate, ECU mark and the pin communicated with corresponding at least two CANs.
S102, inquiry at least two CAN transceiver state, the idle CAN transceiver of selection at least two.
CAN transceiver refers in vehicle diagnostics box, is connected with OBD diagnosis joints, toward CAN on send order data
And receive the module of order.Multiple CAN transceivers are provided with OBD box, OBD box is to multiple CAN transceivers
State is managed, and according to the quantity of diagnostic task, selects the idle CAN transceiver of respective amount.
S103, initialized using the idle CAN transceiver of the messaging parameter described at least two to selection, built
At least two passes between vertical and described at least two CANs.
First to be initialized when CAN transceiver work, set the baud rate communicated with CAN, the pin of connection, want
No. ID etc. of the ECU of communication.After the completion of initialization, the passage of CAN transceiver and corresponding CAN is just established.According to examining
The quantity of disconnected task, selects the idle CAN transceiver of respective amount, and the CAN transceiver of selection is initialized respectively,
So as to just establish the passage 12 between the CAN of respective numbers.
S104, control at least two CAN transceiver by least two passes simultaneously with it is corresponding it is described extremely
Few two CANs communication.
The step is specially：Control at least two CAN transceiver by least two passes simultaneously with it is corresponding
At least two CANs on ECU communication.Further, the step is specifically included again：Control described at least two
The data of the host computer are transferred to the corresponding ECU by CAN transceiver by least two passes respectively；Control institute
At least two CAN transceivers are stated to receive come self-corresponding ECU data by least two passes respectively.It is i.e. initial
After the completion of change, the diagnostic task of host computer diagnostic software is sent on automobile bus, and No. ID of the ECU according to setting
Receive the data replied in CAN.
Further, after step S104, methods described can also comprise the following steps：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set
The state of any one CAN transceiver is idle condition.
It is managed by the state of the CAN transceiver by diagnostic task has been completed, the profit of CAN transceiver can be improved
With rate.
The diagnostic method of a kind of vehicle diagnostics box provided according to embodiments of the present invention, by being set in vehicle diagnostics box
Multiple CAN transceivers, multiple diagnostic tasks of host computer can be received simultaneously, multiple CAN transceivers are initialized, so as to build
Vertical multiple paths with multiple CAN transceivers, the plurality of CAN transceiver can by multiple paths simultaneously with a plurality of CAN
Communicated, improve vehicle diagnostics efficiency.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can be carried out sequentially or simultaneously using other.
Please continue to refer to Fig. 2, Fig. 2 is a kind of module diagram of vehicle diagnostics box provided in an embodiment of the present invention, the car
Diagnosis box 1000 includes：With host computer (it is not shown, diagnostic software is installed, user can pass through diagnostic software in host computer
Issue diagnostic task) first interface (not shown), processor 11 (be, for example, CPU), at least two controller LANs of connection
Network CAN transceiver 13 and the second interface (not shown) being connected with onboard diagnostic system OBD diagnosis joints 15, the processing
Device 11 connects the first interface, at least two CAN transceiver 13 and second interface respectively, and the OBD diagnoses joint 15
Connect at least two CANs 14.
The first interface is used at least two diagnostic tasks for receiving host computer, diagnostic task described in described at least two
Including with the corresponding messaging parameter that at least two CANs are communicated；
The processor is used for the state for inquiring about at least two CAN transceiver, and the idle CAN of selection at least two is received
Send out device；
The processor is also used for the idle CAN transceiver of the messaging parameter described at least two to selection and entered
Row initialization, at least two passes set up between at least two CANs；
At least two CAN transceiver be used for by least two passes simultaneously with corresponding described at least two
CAN communicates.
Alternatively, every electronic control unit ECU of CAN connection at least two, at least two CAN transceivers tool
Body is used for：Control at least two CAN transceiver by least two passes simultaneously with corresponding described at least two
ECU communications in CAN.
Alternatively, at least two CAN transceiver specifically for by least two passes simultaneously with it is corresponding
ECU communications at least two CANs.
Alternatively, at least two CAN transceiver specifically for：
The data of the host computer are transferred to the corresponding ECU by least two passes respectively；
Received respectively by least two passes come self-corresponding ECU data.
Alternatively, the processor is additionally operable to：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set
The state of any one CAN transceiver is idle condition.
A kind of vehicle diagnostics box provided according to embodiments of the present invention, by setting multiple CAN to receive in vehicle diagnostics box
Send out device, multiple diagnostic tasks of host computer can be received simultaneously, multiple CAN transceivers are initialized, thus set up with it is multiple
Multiple paths of CAN transceiver, the plurality of CAN transceiver can be communicated with a plurality of CAN simultaneously by multiple paths,
Improve vehicle diagnostics efficiency.
Referring to Fig. 3, hardware architecture diagrams of the Fig. 3 for a kind of vehicle diagnosing system of example of the present invention, vehicle diagnostics
System includes host computer, OBD box, ECU systems, and the ECU systems are illustrated in figure 3 includes two-way CAN, per road
Multiple ECU are connected in CAN.ECU：Electronic control unit, is exactly the unit of a certain functions of modules of automobile middle control system, such as Fig. 3
In EPS, TCU, ACU, GSM, MMI, TBOX, IPK is ECU, alternatively referred to as system.Two CANs by OBD joints with
OBD box is connected, and OBD box is connected with host computer again.The operation principle of OBD box refers to above-described embodiment
Description.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with
Realized with hardware, or firmware is realized, or combinations thereof mode is realized.When implemented in software, can be by above-mentioned functions
It is stored in computer-readable medium or is transmitted as one or more instructions on computer-readable medium or code.Meter
Calculation machine computer-readable recording medium includes computer-readable storage medium and communication media, and wherein communication media includes being easy to from a place to another
Any medium of individual place transmission computer program.Storage medium can be any usable medium that computer can be accessed.With
Exemplified by this but it is not limited to：Computer-readable medium can include random access memory (Random Access Memory,
RAM), read-only storage (Read-Only Memory, ROM), EEPROM (Electrically
Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, magnetic disk storage medium or other magnetic storage apparatus or can be used in
Carry or storage with instruction or data structure form desired program code and can by computer access any other
Medium.In addition.Any connection can be suitably turn into computer-readable medium.If for example, software is to use coaxial cable, light
Fine optical cable, twisted-pair feeder, Digital Subscriber Line (Digital Subscriber Line, DSL) or such as infrared ray, radio and
The wireless technology of microwave etc is transmitted from website, server or other remote sources, then coaxial cable, optical fiber cable, double
The wireless technology of twisted wire, DSL or such as infrared ray, wireless and microwave etc be included in belonging to medium it is fixing in.Such as this hair
Used in bright, disk (Disk) and dish (disc) include compressing laser disc (CD), laser disc, laser disc, Digital Versatile Disc (DVD),
Floppy disk and Blu-ray Disc, the replicate data of the usual magnetic of which disk, and dish is then with laser come optical replicate data.Group above
Conjunction should also be as being included within the protection domain of computer-readable medium.
Claims (10)
1. a kind of diagnostic method of vehicle diagnostics box, it is characterised in that the vehicle diagnostics box includes：Be connected with host computer
One interface, processor, at least two controller local area network's CAN transceivers and with onboard diagnostic system OBD diagnosis joint connect
The second interface connect, the processor connects the first interface, at least two CAN transceiver and second interface respectively,
The OBD diagnosis joint connects at least two CANs, and the processor control performs following operation：
The first interface is controlled to receive at least two diagnostic tasks of host computer, diagnostic task described in described at least two includes
With the corresponding messaging parameter that at least two CANs are communicated；
Inquire about the state of at least two CAN transceiver, the idle CAN transceiver of selection at least two；
Initialized using the idle CAN transceiver of the messaging parameter described at least two to selection, foundation with it is described
At least two passes between at least two CANs；
Control at least two CAN transceiver by least two passes simultaneously with corresponding at least two CAN
Bus communication.
2. the method as described in claim 1, it is characterised in that every CAN connects at least one electronic control unit
ECU, control at least two CAN transceiver by least two passes simultaneously with corresponding described at least two
CAN communicates, including：
Control at least two CAN transceiver by least two passes simultaneously with corresponding at least two CAN
ECU communications in bus.
3. method as claimed in claim 2, it is characterised in that the messaging parameter includes：With described corresponding at least two
Baud rate, ECU mark and pin that CAN is communicated.
4. method as claimed in claim 2, it is characterised in that control at least two CAN transceiver passes through described
At least two passes communicate with the corresponding ECU in corresponding at least two CANs simultaneously, including：
At least two CAN transceiver is controlled respectively to be transferred to the data of the host computer by least two passes
The corresponding ECU；
At least two CAN transceiver is controlled to be received respectively by least two passes come the self-corresponding ECU's
Data.
5. the method as described in any one of Claims 1-4, it is characterised in that control at least two CAN transceiver
Communicated by least two passes with corresponding at least two CANs simultaneously after, methods described also includes：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set described
The state of any one CAN transceiver is idle condition.
6. a kind of vehicle diagnostics box, it is characterised in that the vehicle diagnostics box includes：The first interface that is connected with host computer, place
Manage device, at least two controller local area network's CAN transceivers and diagnose joint is connected second with onboard diagnostic system OBD
Interface, the processor connects the first interface, at least two CAN transceiver and second interface respectively, and the OBD is examined
Disconnector connects at least one CAN；
The first interface is used at least two diagnostic tasks for receiving host computer, and diagnostic task described in described at least two includes
With the corresponding messaging parameter that at least two CANs are communicated；
The processor is used for the state for inquiring about at least two CAN transceiver, the idle CAN transmitting-receivings of selection at least two
Device；
The processor is also used for the idle CAN transceiver of the messaging parameter described at least two to selection and carried out just
Beginningization, at least two passes set up between at least two CANs；
At least two CAN transceiver be used for by least two passes simultaneously with corresponding at least two CAN
Bus communication.
7. vehicle diagnostics box as claimed in claim 6, it is characterised in that every CAN connects at least two Electronic Controls
Unit ECU, at least two CAN transceiver specifically for：At least two CAN transceiver is controlled by described at least two
Bar passage communicates with the ECU in corresponding at least two CANs simultaneously.
8. vehicle diagnostics box as claimed in claim 7, it is characterised in that at least two CAN transceiver is specifically for logical
At least two passes are crossed to communicate with the ECU in corresponding at least two CANs simultaneously.
9. vehicle diagnostics box as claimed in claim 7, it is characterised in that at least two CAN transceiver specifically for：
The data of the host computer are transferred to the corresponding ECU by least two passes respectively；
Received respectively by least two passes come self-corresponding ECU data.
10. the vehicle diagnostics box as described in any one of claim 6 to 9, it is characterised in that the processor is additionally operable to：
After any one CAN transceiver for detecting at least two CAN transceiver completes the diagnostic task, set described
The state of any one CAN transceiver is idle condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267913.3A CN106970609A (en) | 2017-04-22 | 2017-04-22 | The diagnostic method and vehicle diagnostics box of vehicle diagnostics box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267913.3A CN106970609A (en) | 2017-04-22 | 2017-04-22 | The diagnostic method and vehicle diagnostics box of vehicle diagnostics box |
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| CN109729128A (en) * | 2017-10-31 | 2019-05-07 | 上海海马汽车研发有限公司 | A kind of car networking test macro and its test method |
| CN110596627A (en) * | 2019-08-22 | 2019-12-20 | 深圳市鹏巨术信息技术有限公司 | Detection method and device for vehicle diagnosis box |
| CN111443623A (en) * | 2018-12-29 | 2020-07-24 | 北京奇虎科技有限公司 | Safety protection device and method based on vehicle CAN bus structure |
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| CN113341917B (en) * | 2021-05-28 | 2023-03-14 | 重庆长安汽车股份有限公司 | Internet of vehicles remote control end cloud integrated automatic test system and method |
| CN113341917A (en) * | 2021-05-28 | 2021-09-03 | 重庆长安汽车股份有限公司 | Internet of vehicles remote control end cloud integrated automatic test system and method |
| CN114756585A (en) * | 2022-03-23 | 2022-07-15 | 深圳市元征科技股份有限公司 | Vehicle data acquisition method and device, electronic equipment and storage medium |
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