CN106814731A - Vehicle trouble code read method, device and vehicle trouble statistical system - Google Patents
Vehicle trouble code read method, device and vehicle trouble statistical system Download PDFInfo
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- CN106814731A CN106814731A CN201710157292.3A CN201710157292A CN106814731A CN 106814731 A CN106814731 A CN 106814731A CN 201710157292 A CN201710157292 A CN 201710157292A CN 106814731 A CN106814731 A CN 106814731A
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- vehicle
- electronic controller
- malfunction
- marking signal
- fault code
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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
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
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Abstract
The present invention relates to a kind of vehicle trouble code read method, device and vehicle trouble statistical system.Methods described includes：The malfunction marking signal of each electronic controller of vehicle is read in real time；Wherein, the malfunction marking signal is the signal of on-vehicle electronic controller internal custom, for marking whether inside breaks down；When the malfunction marking signal of any electronic controller switches to malfunction, send and read complete vehicle fault code request instruction to electronic controller；Wherein, the marking signal at least marks failure or non-faulting two states；The complete vehicle fault code of each electronic controller return is obtained, and complete vehicle fault code is uploaded into background server；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, the DTC that internal monitoring is arrived is returned.Technical scheme, it is possible to reduce take the resource of intelligent vehicle mounted terminal, it is to avoid omission chance failure, reduce fault inquiry influence is brought on vehicle network.
Description
Technical field
The present invention relates to car networking technology field, more particularly to a kind of vehicle trouble code read method, device and vehicle
Fault statistics system.
Background technology
With the popularization of car networking and big data, vehicle trouble statistical function is basic into one of big data statistical analysis
Function.Conventional is achieved in that, DTC and phase that each node is read in diagnostic command are periodically sent by car-mounted terminal
Ambient parameter is closed, fault message and relevant environmental parameter are then uploaded to background server by faulty code, united by background server
Meter failure.
In above-mentioned technical proposal, intelligent vehicle mounted terminal needs periodic read failure code, occupies intelligent vehicle mounted terminal
Transmitting-receiving resource, due to being periodic queries, easily miss the statistics of some chance failures；And simultaneously, periodic queries meeting
Certain load is brought to vehicle network, easily the normal operation of influence vehicle network.
The content of the invention
Based on this, it is necessary to for above-mentioned technical problem, there is provided a kind of vehicle trouble code read method, device and vehicle event
Barrier statistical system, reduces the resource for taking intelligent vehicle mounted terminal, it is to avoid omit the statistics of chance failure.
A kind of vehicle trouble code read method, including：
The malfunction marking signal of each electronic controller of vehicle is read in real time；Wherein, the malfunction mark letter
Number for on-vehicle electronic controller internal custom signal, for mark inside whether break down；
When the malfunction marking signal of any electronic controller switches to malfunction, send and read complete vehicle fault code
Request instruction is to electronic controller；Wherein, the marking signal at least marks failure or non-faulting two states；
The complete vehicle fault code of each electronic controller return is obtained, and complete vehicle fault code is uploaded into background service
Device；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, the DTC that internal monitoring is arrived is returned.
A kind of vehicle trouble code reading device, including：
State monitoring module, the malfunction marking signal for reading each electronic controller of vehicle in real time；Wherein, institute
The signal of the internal custom that malfunction marking signal is on-vehicle electronic controller is stated, for marking whether inside event occurs
Barrier；
Instruction touch modules, for when the malfunction marking signal of any electronic controller switches to malfunction,
Send and read complete vehicle fault code request instruction to electronic controller；Wherein, the marking signal at least marks failure or non-faulting
Two states；
DTC acquisition module, the complete vehicle fault code for obtaining the return of each electronic controller, and the vehicle is former
Barrier code uploads to background server；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, return interior
The DTC that portion monitors.
A kind of vehicle trouble statistical system, including background server, intelligent vehicle mounted terminal and finished vehicle electronic controller, it is special
Levy and be, the intelligent vehicle mounted terminal is used to perform above-mentioned vehicle trouble code read method.
Above-mentioned vehicle trouble code read method, device and vehicle trouble statistical system, in each on-vehicle electronic controller
The signal whether portion breaks down self-defined inside, by the malfunction mark letter for reading each electronic controller of vehicle in real time
Number, when the malfunction marking signal of electronic controller switches to malfunction, read complete vehicle fault code and upload to backstage
Server；Using the technical scheme, when vehicle breaks down, can timely trigger intelligent vehicle terminal and read vehicle trouble
Code.In the faulty resource just gone inquiry, reduce occupancy intelligent vehicle mounted terminal of electronic controller, Arbitrary Fault all triggers reading event
Barrier code, it is to avoid omission chance failure, and also reduce fault inquiry influence is brought on vehicle network.
Brief description of the drawings
Fig. 1 is the schematic diagram of vehicle intelligent system；
Fig. 2 is the vehicle trouble code read method flow chart of an embodiment；
Fig. 3 is the vehicle trouble code reading device structural representation of an embodiment；
Fig. 4 is the vehicle trouble statistical system structural representation of an embodiment；
Fig. 5 is the vehicle trouble statistical system workflow diagram of an embodiment.
Specific embodiment
The reality of vehicle trouble code read method of the invention, device and vehicle trouble statistical system is illustrated below in conjunction with the accompanying drawings
Apply example.
The scheme of vehicle trouble code read method embodiment of the present invention, can apply on Intelligent vehicle-mounted terminal equipment, join
Fig. 1 is examined, Fig. 1 is the schematic diagram of vehicle intelligent system, and intelligent vehicle mounted terminal is connected to multiple vehicle-mounted control systems by in-vehicle network
On system, such as CAN and is communicated by Internet with background server.Here intelligent vehicle mounted terminal can be energy
For the modern management to haulage vehicle, including：Traffic safety monitoring management, operation management, Service Quality Management, intelligence collection
The terminal device of middle management and running, electronic stop plate control management etc..
With reference to shown in Fig. 2, Fig. 2 is the vehicle trouble code read method flow chart of an embodiment, including：
S101, reads the malfunction marking signal of each electronic controller of vehicle in real time；Wherein, the malfunction mark
Note signal is the signal of on-vehicle electronic controller internal custom, for marking whether inside breaks down；
In above process, the malfunction marking signal can in real time be read by in-car CAN.
S102, when the malfunction marking signal of any electronic controller switches to malfunction, sends and reads vehicle
DTC request instruction is to electronic controller；Wherein, the marking signal at least marks failure or non-faulting two states；
As embodiment, in above process, the failure that the electronic controller monitor in real time itself is produced, when is produced from inside
During raw failure, malfunction marking signal is set to malfunction.
Further, the malfunction marking signal includes：Under flag bit " 0 " and malfunction under non-faulting state
Flag bit " 1 ".
Its work-based logic can be as follows：
By default, malfunction marking signal is set to " 0 " by the electronic controller, when inside produces failure
When, malfunction marking signal is set to " 1 ".
S103, obtains the complete vehicle fault code of each electronic controller return, and complete vehicle fault code is uploaded into backstage
Server；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, the failure that internal monitoring is arrived is returned
Code.
By above-mentioned technical proposal, when any electronic controller of vehicle breaks down, intelligent vehicle mounted terminal can and
Shi Zhixiao, and complete vehicle fault code is obtained, the statistics of DTC will not be omitted, in addition, intelligent vehicle mounted terminal going without the cycle
Obtain complete vehicle fault code, save resources；And car-mounted terminal is without constantly sending " reading complete vehicle fault code " instruction, it is to avoid shadow
Ring vehicle offered load.
With car networking standard terminal T-Box, (Telematics BOX, referred to as vehicle-mounted T-BOX, realize the operation number to vehicle
It is managed according to, position data, there is provided comprising monitor in real time (map, chart), data readback, trace playback, remote diagnosis etc.
The terminal device of basic function) as a example by, its read vehicle-mounted ECU (Electronic Control Unit, electronic control unit,
Also known as " car running computer ", " vehicle-mounted computer " etc.) DTC and upload TSP (Telematics Service Provider, it is interior
Hold ISP) background server when, scheme can be as follows：
In one signal Error flag of each vehicle-mounted ECU internal custom, for marking electronic controller malfunction,
Default value is 0, represents that electronic controller does not have failure；Vehicle ECU monitor in real time faults itselfs, when inside is broken down, car
Carry ECU and flag is set to 1, and be sent on in-vehicle network by CAN；T-BOX monitor in real time CAN network signals
Error flag, complete vehicle fault is obtained when flag switches to 1, T-BOX to trigger " complete vehicle fault code is read in request " instruction from 0
Code, after vehicle-mounted ECU receives " complete vehicle fault code is read in request " instruction, reads the DTC of therein, sends to intelligent vehicle
Mounted terminal, vehicle intelligent terminal uploads to TSP background servers；The instruction for reading complete vehicle fault code can be as shown in table 1, specifically
Definition refer to ISO14229.
Complete vehicle fault code is read in the request of table 1
| Byte | Name | Value(hex) |
| #1 | RequestServiceIdentifier | 19 |
| #2 | Sub-Function=[ReportDTCSnapshotRecordByDTCNumber] | 02 |
| #3 | DTCStatusMask | 00-FF |
Described in reference diagram 3, Fig. 3 is the vehicle trouble code reading device structural representation of an embodiment, including：
State monitoring module 101, the malfunction marking signal for reading each electronic controller of vehicle in real time；Its
In, the malfunction marking signal is the signal of the internal custom of on-vehicle electronic controller, for marking whether inside goes out
Existing failure；
Instruction touch modules 102, malfunction is switched to for the malfunction marking signal when any electronic controller
When, send and read complete vehicle fault code request instruction to electronic controller；Wherein, the marking signal at least marks failure or non-event
Barrier two states；
DTC acquisition module 103, the complete vehicle fault code for obtaining the return of each electronic controller, and by the vehicle
DTC uploads to background server；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, return
The DTC that internal monitoring is arrived.
Vehicle trouble code of the invention reads system and is corresponded with vehicle trouble of the invention code read method, above-mentioned
The technical characteristic and its advantage that the embodiment of vehicle trouble code read method is illustrated are applied to vehicle trouble code and read system
In the embodiment of system, hereby give notice that.
With reference to shown in Fig. 4, Fig. 4 is the vehicle trouble statistical system structural representation of an embodiment.It is main to be taken including backstage
Business device, intelligent vehicle mounted terminal and finished vehicle electronic controller, the intelligent vehicle mounted terminal are used to perform any embodiment of the present invention
Vehicle trouble code read method；Intelligent vehicle mounted terminal connects multiple vehicle-mounted ECUs of vehicle by CAN, reads its DTC
And upload to TSP background servers.
Used as embodiment, the complete vehicle fault code that the background server is periodically uploaded to intelligent vehicle mounted terminal carries out statistical
Analysis.Further, can also be shown for the statistic analysis result by WEB interface by the background server.Wherein, institute
Stating finished vehicle electronic controller includes：Engine controller, safety air sac controller, anti-theft controller, automatic transmission and vehicle body
Controller.
With reference to shown in Fig. 5, Fig. 5 is the vehicle trouble statistical system workflow diagram of an embodiment, can include following step
Suddenly：
S1, the flag states in intelligent vehicle mounted terminal monitor in real time CAN network；
S2, ECU inside define a malfunction flag bit error flag, and initial value is 0, and is sent signal to
CAN network；
S3, intelligent vehicle mounted terminal monitors ECU error flag=1, and triggering " complete vehicle fault code is read in request " is instructed,
Obtain complete vehicle fault code；
S4, ECU constantly monitor faults itself, and when ECU breaks down, error flag put 1；
S5, intelligent vehicle mounted terminal monitors ECU error flag=1, and triggering " complete vehicle fault code is read in request " is instructed,
Obtain complete vehicle fault code；
DTC is uploaded TSP background servers by s6, intelligent vehicle mounted terminal；
S7, TSP background server carry out statistic of classification to fault type, and are shown by WEB interface.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of vehicle trouble code read method, it is characterised in that including：
The malfunction marking signal of each electronic controller of vehicle is read in real time；Wherein, the malfunction marking signal is
The signal of on-vehicle electronic controller internal custom, for marking whether inside breaks down；
When the malfunction marking signal of any electronic controller switches to malfunction, send and read complete vehicle fault code request
Instruct to electronic controller；Wherein, the marking signal at least marks failure or non-faulting two states；
The complete vehicle fault code of each electronic controller return is obtained, and complete vehicle fault code is uploaded into background server；Its
In, after the electronic controller receives reading complete vehicle fault code request instruction, return to the DTC that internal monitoring is arrived.
2. vehicle trouble according to claim 1 code read method, it is characterised in that real-time by in-car CAN
Read the malfunction marking signal.
3. vehicle trouble according to claim 1 code read method, it is characterised in that the electronic controller monitor in real time
The failure that itself is produced, when inside produces failure, malfunction is set to by malfunction marking signal.
4. vehicle trouble according to claim 3 code read method, it is characterised in that the malfunction marking signal bag
Include：The flag bit " 1 " under flag bit " 0 " and malfunction under non-faulting state.
5. vehicle trouble according to claim 4 code read method, it is characterised in that by default, the electronics
Malfunction marking signal is set to " 0 " by controller, when inside produces failure, malfunction marking signal is set to " 1 ".
6. a kind of vehicle trouble code reading device, it is characterised in that including：
State monitoring module, the malfunction marking signal for reading each electronic controller of vehicle in real time；Wherein, the event
Barrier status indication signal is the signal of the internal custom of on-vehicle electronic controller, for marking whether inside breaks down；
Instruction touch modules, for when the malfunction marking signal of any electronic controller switches to malfunction, sending
Read complete vehicle fault code request instruction to electronic controller；Wherein, the marking signal at least marks two kinds of failure or non-faulting
State；
DTC acquisition module, for obtain each electronic controller return complete vehicle fault code, and by the complete vehicle fault code
Upload to background server；Wherein, after the electronic controller receives reading complete vehicle fault code request instruction, internal prison is returned
The DTC for measuring.
7. a kind of vehicle trouble statistical system, including background server, intelligent vehicle mounted terminal and finished vehicle electronic controller, its feature
It is that the intelligent vehicle mounted terminal is used for the vehicle trouble code read method described in perform claim 1 to 5 any one of requirement.
8. vehicle trouble statistical system according to claim 7, it is characterised in that the finished vehicle electronic controller includes：
Engine controller, safety air sac controller, anti-theft controller, automatic transmission and car body controller.
9. vehicle trouble statistical system according to claim 7, it is characterised in that the background server is periodically to intelligence
The complete vehicle fault code that car-mounted terminal is uploaded carries out statistical analysis.
10. vehicle trouble statistical system according to claim 9, it is characterised in that the background server also passes through WEB
Be shown for the statistic analysis result by interface.
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| CN201710157292.3A CN106814731B (en) | 2017-03-16 | 2017-03-16 | Vehicle trouble code read method, device and vehicle trouble statistical system |
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|---|---|---|---|
| CN201710157292.3A CN106814731B (en) | 2017-03-16 | 2017-03-16 | Vehicle trouble code read method, device and vehicle trouble statistical system |
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| CN106814731A true CN106814731A (en) | 2017-06-09 |
| CN106814731B CN106814731B (en) | 2019-09-17 |
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| CN109951557A (en) * | 2019-03-27 | 2019-06-28 | 浙江众泰汽车制造有限公司 | A kind of four central server system and method for vehicle |
| CN110069053A (en) * | 2019-05-06 | 2019-07-30 | 奇瑞新能源汽车技术有限公司 | A kind of remote vehicle detection system and its method based on TSP holder |
| CN112165421A (en) * | 2020-09-11 | 2021-01-01 | 上汽通用五菱汽车股份有限公司 | Vehicle information returning method, vehicle, server and storage medium |
| CN112248949A (en) * | 2020-10-20 | 2021-01-22 | 广州小鹏汽车科技有限公司 | Vehicle control method, control device, vehicle-mounted terminal and vehicle |
| CN112965457A (en) * | 2021-01-22 | 2021-06-15 | 浙江合众新能源汽车有限公司 | Fault detection system and method for bus cycle transmission controller fault code |
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| CN112965457A (en) * | 2021-01-22 | 2021-06-15 | 浙江合众新能源汽车有限公司 | Fault detection system and method for bus cycle transmission controller fault code |
| CN112965457B (en) * | 2021-01-22 | 2022-07-05 | 浙江合众新能源汽车有限公司 | Fault detection system and method for bus cycle transmission controller fault code |
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