CN106200608A - A kind of fault diagnosis system of automobile - Google Patents
A kind of fault diagnosis system of automobile Download PDFInfo
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- CN106200608A CN106200608A CN201510212715.8A CN201510212715A CN106200608A CN 106200608 A CN106200608 A CN 106200608A CN 201510212715 A CN201510212715 A CN 201510212715A CN 106200608 A CN106200608 A CN 106200608A
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- module
- dtc
- main control
- control module
- automobile
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Abstract
The invention provides the fault diagnosis system of a kind of automobile, this fault diagnosis system includes the DTC read module being sequentially connected with, main control module and remote wireless communication module, when automobile breaks down, the DTC that the automobile that DTC read module can be read by remote wireless communication module produces is sent to specialized maintenance personnel at a distance, defect content can be understood by specialized maintenance personnel according to the DTC received, and notify human pilot in time by corresponding mode, human pilot is enable to understand the defect content of automobile in detail, even if thus automobile is in amateur maintenance place, it also is able to when even breaking down on road defect content is determined, and take action according to the suggestion of defect content and specialized maintenance personnel, and then ensure that the safety of traveling.
Description
Technical field
The application relates to automobile technical field, more particularly, it relates to the fault diagnosis system of a kind of automobile.
Background technology
Along with developing rapidly of automotive electronic technology, in modern automobile, it is integrated with increasing automatically controlled list
Unit, carries out detection by experience to vehicle failure become more and more difficult so that traditional.Therefore must make
With corresponding fault detection system for automobile, vehicle failure is diagnosed.
Existing failure diagnosis apparatus, when automobile is carried out fault diagnosis, is the fault by reading automobile
Code realizes fault diagnosis, and maintainer again by carrying out the actual event of failure judgement to the deciphering of DTC
Barrier content, it is therefore desirable to defect content is judged by the specialized maintenance personnel with Professional knowledge.Once
On road or the when that other places discovery automobile breaks down, even if human pilot carries accordingly
Defect content also cannot be judged by fault detection system for automobile, thus cannot decide to continue with traveling still
Calling rescue traction, brings sizable inconvenience to the routine use of automobile.
Summary of the invention
In view of this, the present invention provides the fault diagnosis system of a kind of automobile, for the automobile event that will obtain
Barrier code long-distance transmissions is understood to specialized maintenance personnel, to solve when automobile is in amateur maintenance place
The problem that after breaking down, human pilot cannot determine defect content.
In order to realize described purpose, it is proposed that scheme as follows:
The fault diagnosis system of a kind of automobile, including DTC read module, main control module and long distance wireless
Communication module, wherein:
Described DTC read module is for reading the DTC that described automobile produces when breaking down；
Described main control module is for receiving the described DTC that described fault read module reads, and output is arrived
Described remote wireless communication module；
Described remote wireless communication module is for passing through the described DTC received from described main control module
Communication is sent on the reception equipment of specialized maintenance personnel, for described specialized maintenance personnel couple
Described DTC is understood.
Optionally, described DTC read module includes CAN controller, wherein:
Described CAN controller is provided with serial data interface and CAN data-interface, described serial data
Interface is connected with the serial data interface of described main control module, and described CAN data-interface is used for connecting institute
State the OBD data-interface of automobile.
Optionally, described remote wireless communication module includes GPRS communication module.
Optionally, described GPRS communication module is connected with the serial communication interface of described main control module.
Optionally, also including level shifting circuit, described GPRS communication module is by described level conversion
Circuit is connected with the serial communication interface of described main control module.
Optionally, display module is also included, wherein:
Described display module is connected with described main control module, for receiving described event from described main control module
Described DTC is also shown by barrier code.
Optionally, bluetooth communication is also included, wherein:
Described bluetooth communication is connected with the serial communication interface of described main control module, for from described
Main control module reads described DTC, and is sent to described reception equipment.
Optionally, the dormancy button being connected with described main control module is also included, wherein:
Described dormancy button exports sleep signal for the operation according to operator to described main control module,
Described main control module enters low-power consumption mould for controlling described bluetooth communication according to described sleep signal
Formula.
From technique scheme it can be seen that the invention provides the fault diagnosis system of a kind of automobile, should
Fault diagnosis system includes DTC read module, main control module and the remote radio communication mould being sequentially connected with
Block, when automobile breaks down, DTC read module can be read by remote wireless communication module
The DTC that automobile produces is sent to specialized maintenance personnel at a distance, and specialized maintenance personnel can be according to reception
To DTC defect content is understood, and notify human pilot in time by corresponding mode, make
Human pilot can understand the defect content of automobile in detail, even if thus automobile in amateur maintenance place,
It also is able to when even breaking down on road defect content is determined, and according to defect content with special
The suggestion of industry maintainer is taken action, and then ensure that the safety of traveling.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the application, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 1 provides for the embodiment of the present invention；
The flow chart of the main control module configuration flow that Fig. 2 provides for the present invention；
The flow chart of the CAN controller configuration that Fig. 3 provides for the present invention；
The flow chart of the serial communication interface configuration that Fig. 4 provides for the present invention；
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 5 provides for another embodiment of the present invention；
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 6 provides for further embodiment of this invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out
Clearly and completely describe, it is clear that described embodiment is only some embodiments of the present application, and
It is not all, of embodiment.Based on the embodiment in the application, those of ordinary skill in the art are not making
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
Embodiment one
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 1 provides for the embodiment of the present invention.
As it is shown in figure 1, the fault diagnosis system that the present embodiment provides includes DTC read module 10, master
Control module 20 and remote wireless communication module 30, wherein main control module 20 respectively with DTC read module
10, remote wireless communication module 30 is connected.
DTC read module, 10 are used for when automobile breaks down, and human pilot or other operator will
It is connected with automobile, to read the DTC that in automobile, ECU produces.DTC read module 10
It is sent to main control module 20 after reading this DTC.
Main control module 20 is read from the ECU of automobile for receiving it at DTC read module 10
The DTC taken.Then according to corresponding operational order or in an automatic fashion output to remote radio communication
Module 30.
Remote wireless communication module 30 passes through channel radio after the DTC receiving main control module 20 output
Letter mode is sent on the reception equipment of specialized maintenance personnel at a distance, and specialized maintenance personnel can be according to connecing
The physical fault content of automobile is understood by the DTC received, and informs driving by corresponding mode
Personnel or other operator.
From technique scheme it can be seen that present embodiments provide the fault diagnosis system of a kind of automobile,
This fault diagnosis system includes DTC read module, main control module and the remote radio communication being sequentially connected with
Module, when automobile breaks down, DTC read module can be read by remote wireless communication module
The DTC that produces of automobile be sent to specialized maintenance personnel at a distance, specialized maintenance personnel can be according to connecing
Defect content is understood by the DTC received, and notifies human pilot in time by corresponding mode,
Enable human pilot to understand the defect content of automobile in detail, even if thus automobile in amateur maintenance place,
It also is able to when even breaking down on road defect content is determined, and according to defect content with special
The suggestion of industry maintainer is taken action, and then ensure that the safety of traveling.
The STM32F103 series of processes of the preferred Cortex-M3 kernel of main control module 20 in the present embodiment
Device, this series processors is built-in quick interrupt control unit, to have clock control flexibly machine-processed, low
Power consumption mode and support two-way advanced peripheral bus structure, wherein a road even can reach the operation of CPU
Frequency.In addition, this processor built-in CAN, I2Outside the standards such as C, SPI, USART and ADC
If, and have abundant firmware library function to facilitate user to write code to access its each standard peripherals.
DTC read module 10 includes CAN controller, and this CAN controller is provided with serial data and connects
Mouth and CAN data-interface.Serial data interface is connected with the serial data interface of main control module, CAN
Data-interface is for connecting the OBD data-interface of automobile, the flow process of this CAN controller read failure code
As shown in Figure 2.
CAN controller mainly realizes the protocol translation between CAN network data and serial data.Subsequently
By configuring the clock of CAN controller, pin function configures, mode of operation configures, filter type is joined
Put, send and receive pattern configurations to realize the reading of data.Concrete configuration process is as shown in Figure 3.
Remote wireless communication module 30 includes GPRS communication module, this GPRS communication module and master control mould
The corresponding serial communication interface of block is connected by level shifting circuit (not shown), for by remotely
DTC is sent on the reception equipment of specialized maintenance personnel by communication mode, and this accepting device can be hands
The intelligent handheld device such as machine, panel computer, it is also possible to be server.GPRS communication module can preset phase
The other party number answered, is automatically sent to the specialized maintenance personnel specified when carrying out fault detect by DTC.
Along with the update of communication network, this remote wireless communication module can also is that 3G, 4G or its
His communication module, as long as be capable of the other technologies means of remote radio communication mode the most all in this Shen
Within protection domain please.
Serial data interface is the peripheral control unit that processor is most basic, the bluetooth communication of native system and
The communication interface of GPRS communication module and processor is all based on this peripheral hardware, so the joining of serial data interface
Put particularly important.The having serial ports peripheral clock, serial ports GPIO functional mode, send and receive of main configuration
Pattern, Configuration of baud rate, check bit are arranged.In order to prevent loss of data, a frame mark can be encapsulated
Know position and frame end position.In mastery routine, when receiving data, first judge whether frame head is that we need
Data, if it is, receive and process, be not received.Tie finally by judgment frame
Bundle position is to ensure the complete reception of frame data, followed by decomposition and the encapsulated delivery of data.Specifically
Configuration flow is as shown in Figure 4.
Embodiment two
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 5 provides for another embodiment of the present invention.
As it is shown in figure 5, the fault diagnosis system that the present embodiment provides is to increase on the basis of a upper embodiment
If display module 40.
Display module 40 is connected with main control module 20, and liquid crystal display can be selected as display module
40, for receiving its DTC received from DTC read module 10 from main control module 20 and carrying out
Display, so just can be straight for specialized maintenance personnel when the automobile broken down is in specialized maintenance place
Connect read failure code, and without the most remotely have sent, thus add the convenience of native system application.
Embodiment three
The schematic diagram of the fault diagnosis system of a kind of automobile that Fig. 6 provides for the another embodiment of the application.
As shown in Figure 6, the fault diagnosis system that the present embodiment provides is to increase on the basis of a upper embodiment
If the bluetooth communication 50 being connected with main control module and dormancy button 60.
Bluetooth communication 50 serial communication interface corresponding with main control module 20 is connected, for by main
The DTC that control module 20 receives passes through communication specialized maintenance personnel in nearer distance,
This bluetooth communication can be as the backup of remote wireless communication module 30, damaging for one when also
Do not affect and proceed work.
Further, since bluetooth communication 50 more takes electricity, when native system being made a kind of handheld device
Dormancy can be received by dormancy button 60 to instruct, thus send sleep signal to main control module 20, main
Bluetooth communication can be closed by control module 20 according to this sleep signal, thus reduces the merit of whole system
Consumption, reaches the purpose of power saving.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described explanation to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this Shen
Please.Multiple amendment to these embodiments will be apparent from for those skilled in the art,
Generic principles defined herein can be in the case of without departing from spirit herein or scope, at it
Its embodiment realizes.Therefore, the application is not intended to be limited to the embodiments shown herein, and
It is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (8)
1. the fault diagnosis system of an automobile, it is characterised in that include DTC read module, master control
Module and remote wireless communication module, wherein:
Described DTC read module is for reading the DTC that described automobile produces when breaking down；
Described main control module is for receiving the described DTC that described fault read module reads, and output is arrived
Described remote wireless communication module；
Described remote wireless communication module is for passing through the described DTC received from described main control module
Communication is sent on the reception equipment of specialized maintenance personnel, for described specialized maintenance personnel couple
Described DTC is understood.
2. fault diagnosis system as claimed in claim 1, it is characterised in that described DTC reads mould
Block includes CAN controller, wherein:
Described CAN controller is provided with serial data interface and CAN data-interface, described serial data
Interface is connected with the serial data interface of described main control module, and described CAN data-interface is used for connecting institute
State the OBD data-interface of automobile.
3. fault diagnosis system as claimed in claim 1, it is characterised in that described remote radio communication
Module includes GPRS communication module.
4. fault diagnosis system as claimed in claim 3, it is characterised in that described GPRS communicates mould
Block is connected with the serial communication interface of described main control module.
5. fault diagnosis system as claimed in claim 4, it is characterised in that also include level conversion electricity
Road, the serial communication by described level shifting circuit Yu described main control module of the described GPRS communication module
Interface is connected.
6. the fault diagnosis system as described in any one of Claims 1 to 5, it is characterised in that also include showing
Show module, wherein:
Described display module is connected with described main control module, for receiving described event from described main control module
Described DTC is also shown by barrier code.
7. fault diagnosis system as claimed in claim 6, it is characterised in that also include Bluetooth communication mould
Block, wherein:
Described bluetooth communication is connected with the serial communication interface of described main control module, for from described
Main control module reads described DTC, and is sent to described reception equipment.
8. fault diagnosis system as claimed in claim 7, it is characterised in that also include and described master control
The dormancy button that module is connected, wherein:
Described dormancy button exports sleep signal for the operation according to operator to described main control module,
Described main control module enters low-power consumption mould for controlling described bluetooth communication according to described sleep signal
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212715.8A CN106200608A (en) | 2015-04-29 | 2015-04-29 | A kind of fault diagnosis system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212715.8A CN106200608A (en) | 2015-04-29 | 2015-04-29 | A kind of fault diagnosis system of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106200608A true CN106200608A (en) | 2016-12-07 |
Family
ID=57457595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510212715.8A Pending CN106200608A (en) | 2015-04-29 | 2015-04-29 | A kind of fault diagnosis system of automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN106200608A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950941A (en) * | 2017-04-05 | 2017-07-14 | 江苏大学 | A kind of engine diagnostic Information Remote Transmission System and method based on intelligent transportation system |
| CN112162997A (en) * | 2020-09-25 | 2021-01-01 | 重庆长安汽车股份有限公司 | Vehicle failure interpretation method and storage medium |
| CN113377088A (en) * | 2021-07-06 | 2021-09-10 | 深圳市星卡科技有限公司 | Instant communication automobile remote diagnosis and detection method, electronic equipment and storage medium |
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| CN2206454Y (en) * | 1994-01-27 | 1995-08-30 | 天津市电子计算机研究所 | Car breakdown diagnosing analyser |
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Patent Citations (6)
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| CN2206454Y (en) * | 1994-01-27 | 1995-08-30 | 天津市电子计算机研究所 | Car breakdown diagnosing analyser |
| EP1473456A1 (en) * | 2002-02-04 | 2004-11-03 | Bosch Automotive Systems Corporation | Vehicle trouble diagnosis system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950941A (en) * | 2017-04-05 | 2017-07-14 | 江苏大学 | A kind of engine diagnostic Information Remote Transmission System and method based on intelligent transportation system |
| CN112162997A (en) * | 2020-09-25 | 2021-01-01 | 重庆长安汽车股份有限公司 | Vehicle failure interpretation method and storage medium |
| CN112162997B (en) * | 2020-09-25 | 2024-04-12 | 重庆长安汽车股份有限公司 | Vehicle fault interpretation method and storage medium |
| CN113377088A (en) * | 2021-07-06 | 2021-09-10 | 深圳市星卡科技有限公司 | Instant communication automobile remote diagnosis and detection method, electronic equipment and storage medium |
| CN113377088B (en) * | 2021-07-06 | 2023-12-19 | 深圳市星卡科技股份有限公司 | Instant messaging automobile remote diagnosis detection method, electronic equipment and storage medium |
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Application publication date: 20161207 |