CN104678850B - A kind of method of vehicle mounted communication device intelligence self diagnosis - Google Patents
A kind of method of vehicle mounted communication device intelligence self diagnosis Download PDFInfo
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- CN104678850B CN104678850B CN201510047614.XA CN201510047614A CN104678850B CN 104678850 B CN104678850 B CN 104678850B CN 201510047614 A CN201510047614 A CN 201510047614A CN 104678850 B CN104678850 B CN 104678850B
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Abstract
The present invention relates to a kind of method of vehicle mounted communication device intelligence self diagnosis, the mobile unit that this method is related to is divided into several big units such as power supply unit, CPU element, communication unit, GPS/BD satellite positioning units, ADC detection units, I/O detection units, CAN interface unit, RS485 units, RS232 units.Whether self detection power supply unit is normal when equipment is powered, whether power supply stablizes, whether data are normal, whether satellite positioning is normal, and whether ADC has signal, and whether bus is normal, error listing in this method collecting device at the same time, upload portion immediately if faulty and arrive center, error listing will be shown in equipment in the car, so as to active predicting and the fault condition of prompting driver or maintenance personnel's vehicle.
Description
Technical field
The present invention relates to a kind of method of vehicle mounted communication device intelligence self diagnosis, is specifically that one kind is applied in commercial car
Vehicle mounted communication device intelligence self diagnosis method.
Background technology
With the rise of domestic technology of Internet of things concept and the fast development of the communication technology, intelligent communications terminal and high in the clouds
Message-switching technique between server is of increased attention, and corresponding technology starts to apply on various equipments,
To realize monitoring and control of the high in the clouds to remote equipment.For vehicular field, more and more smart machines are applied in vehicle body
On, it is that the safe, comfortable, stable, reliable etc. of vehicle provides strong guarantee.But the use of existing Vehicular intelligent equipment
The scope of vehicle itself is often only limitted to, smart machine makes passive tune according to the vehicle trouble messages collected under normal conditions
Whole and control, can not also accomplish the information exchange in vehicle arrangement and high in the clouds, it is even more impossible to realize look-ahead and the control of failure.
As the vehicles operated on road, the safety of vehicle itself is quite important, particularly commercial car, it has
The features such as use scope is big, the time is long, shut-down (breakdown) mainteance cost is big.If each failure is required for entering helpdesk's progress failure point
Analysis and maintenance, then time cost is high and economic loss is also quite big, in order to which active prevention can be carried out when failure does not occur,
Control way is made also for can quickly be tackled when equipment fault occurs, spy proposes this equipment diagnostic method of self.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of method of vehicle mounted communication device intelligence self diagnosis,
The method carries out intelligent self diagnosis by vehicle mounted communication equipment；It is mono- that the vehicle mounted communication equipment includes power supply unit, CPU
Member, communication unit, satellite positioning unit, ADC detection units, I/O detection units, CAN interface unit, RS485 units and RS232
Unit, wherein communication unit have bluetooth/WIFI communication modules；It is described intelligence self diagnosis include monitoring power supply whether stablize,
Whether data communication normal, satellite positioning whether normal, ADC whether have signal input and CAN interface unit, RS485 units,
Whether RS232 units are normal, and generate error listing according to monitoring result, and the error listing is shown.Wherein, it is described
Satellite positioning unit is preferably GPS/ big-dipper satellites positioning unit (also known as GPS/BD satellite positioning unit).
Specifically, in vehicle mounted communication equipment running process, CPU element carries out periodic monitoring to power supply unit, once detection
Exceed default first voltage fluctuation threshold values to voltage fluctuation, then improve voltage monitoring frequency, if equipment continues power supply electricity occur
Pressure fluctuation is abnormal and more than default second voltage fluctuation threshold values, then judges that power supply unit is abnormal, generation power supply unit is reported extremely
Accuse, and the data communication exception reporting is included in error listing.
Further, the time interval of the periodic monitoring, first voltage fluctuation threshold values and second voltage fluctuation threshold values by
Driver or maintenance personnel are self-defined as requested, and second voltage fluctuation threshold values is more than first voltage fluctuation threshold values.
Specifically, CPU element carries out communication unit periodic monitoring, including level-one detection and secondary detection, the level-one
It is detected as periodically sending heart rate bag to communication unit using the minimum period in equipment frequency, detects short breath, telephonic communication is
It is no normal, data communication exception reporting is generated if abnormal；The secondary detection is in short breath, the normal situation of telephonic communication
Under, data communication detection is carried out using network test instruction mode, if network test is abnormal, then carries out data test, if different
Normal then generation data communication exception reporting；The data communication exception reporting is included in error listing.
Specifically, the satellite positioning monitoring includes hardware fault monitoring and signal strength monitoring；The hardware fault prison
Survey and carry out the detection of hardware fault for the data of hardware fault monitoring modular in itself by reading satellite positioning unit, if going out
Existing hardware fault then generates satellite positioning exception reporting；The signal strength monitoring is according to satellite signal strength and delocalization
Time is judged, if the delocalization time exceedes default first time and monitors that vehicle still exists by acceleration transducer
It is lasting mobile, then be emphasis monitoring object by the cell columns, when detecting vehicle with twice of speed movement and still no-fix
Then judge that GPS/ big-dipper satellites positioning unit is abnormal, generates satellite positioning exception reporting；By the satellite positioning exception reporting meter
Enter error listing.
Specifically, ADC monitorings first determine whether that signal inputs, and are directly jumped out if no signal inputs, and generation ADC is abnormal
Report；Its signal stabilization degree is then monitored if any signal, Dynamic Signal then enables filtering algorithm to obtain stable signal in this way, if
The still unstable rule generation ADC exception reportings of signal；The ADC exception reportings are included in error listing.
Specifically, three CAN interface unit, RS485 units, RS232 units units take reading chip to enable foot signal
Mode judge whether it normal；External equipment is then monitored by the signal arranged with each equipment, on external equipment is regular
Heartbeat message is reported, to confirm whether it is normal, then generates exception reporting if any abnormal, and be included in error listing.
Further, after opening vehicle mounted communication equipment, if equipment cannot normally start, whether power supply unit is checked manually
Give electricity success.
Further, cyclic access error listing, if there is content in error listing, the cloud that list is uploaded to distal end takes
Business device；And shown error listing on the display of vehicle mounted communication equipment, the display methods is as follows：
(1) then shown on a display screen immediately when having communication unit, satellite positioning unit, power supply unit exception；Including ADC
Other exceptions including monitoring unit then enter in equipment fault list menu, for checking；
(2) position and temporal information combine carry out fault cues, when satellite-signal is normal, when monitor vehicle into
Enter to after the company of the place of frequent stagnation of movement or setting/family place, then the prompting of all devices fault message is carried out, in order to tie up
Shield personnel safeguard；When the same day starts automobile for the first time, all devices fault message prompting is carried out, in order to which driver is suitable
Time is safeguarded.
Further, in the step of display methods (1), when communication unit is abnormal, then automatic start bluetooth/WIFI
Local communication channel, uses portable mobile terminal wireless collection error listing, if communication unit easy to driver or maintenance personnel
Member is without exception, then auto-returned.
Due to above-mentioned technical proposal, the invention has the advantages that：Actively monitoring can be carried out to vehicle, in real time will
Error listing is prompted to driver or maintenance personnel, and is uploaded to remote cloud server in time, and the error listing of vehicle is carried out
The fault state of vehicle is assessed while backup in advance；Selectively sequentially monitored according to the importance degree of vehicle monitoring information
Each function module of vehicle mounted communication equipment, drastically increases monitoring efficiency；Display or prompting for failure, being capable of basis
The operation conditions of vehicle selectively shows relevant fault message in a certain amount of time and place；Utilize bluetooth/WIFI communications
Technology, facilitates driver or maintenance personnel to check fault message by mobile communication terminal, convenient and efficient.The program carries on the whole
The high efficiency of vehicle monitoring and the foundation that vehicle is safeguarded by operation conditions is provided for driver and maintenance personnel, technology is imitated
Fruit is obvious.
Brief description of the drawings
, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical scheme
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the monitoring method flow chart of vehicle mounted communication device intelligence self-diagnosing method；
Fig. 2 is the fault display method flow chart of vehicle mounted communication device intelligence self-diagnosing method；
Control flow chart when Fig. 3 is communication unit exception.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment：
In the vehicle mounted communication device intelligence self-diagnosing method, vehicle mounted communication equipment is divided according to function, and
It is specifically divided into power supply unit, CPU element, communication unit, satellite positioning unit (also known as GPS/BD satellite positioning units),
Several big units, wherein communication unit such as ADC detection units, I/O detection units, CAN interface unit, RS485 units, RS232 units
Member has bluetooth/WIFI communication modules.Wherein, the satellite positioning unit is preferably that GPS/ big-dipper satellites positioning unit (is also known as
GPS/BD satellite positioning units).
The vehicle mounted communication device intelligence self-diagnosing method includes monitoring method and fault display method.
Referring to Fig. 1, the monitoring method is：(1) vehicle launch, vehicle mounted communication device power-up；(2) equipment is being powered
Self detection of Shi Jinhang, as equipment cannot normally start, then by driver or maintenance personnel check manually power supply unit whether to
Electricity success；(3) in equipment running process, CPU element carries out periodic monitoring to power supply unit, once detect that voltage fluctuation surpasses
Default first voltage fluctuation threshold values is crossed, the signal detected is uploaded to CPU element immediately, and improves voltage monitoring frequency,
If there is the fluctuation exception of larger supply voltage and more than default second voltage fluctuation threshold values in equipment, at this time the exception
Report, which is collected, enters error listing, to remind maintenance personnel preferentially to investigate power supply unit problem when safeguarding, wherein, periodic monitoring
Time interval, first voltage fluctuation threshold values and second voltage fluctuation threshold values made by oneself as requested by driver or maintenance personnel
Justice, and second voltage fluctuation threshold values is more than first voltage fluctuation threshold values；(4) communication unit takes periodic monitoring with there is exception
Reply both of which is monitored jointly immediately, and periodic monitoring takes the regular mode for sending heart rate bag to realize network signal
Monitoring, including the several functions of data communication, short message, phone, send the selection of heart rate bag and use the minimum period in equipment frequency
Carry out, the test of short message is then no longer carried out in the case of data communication is normal, and use network test instruction mode, testing
Data test is transmitted when abnormal again, the then unit exception report that notes abnormalities, which is collected, enters error listing；(5) satellite positioning
Unit takes the method that read module is instructed and distinguished according to signal strength in itself, has the hardware fault mould of monitoring function
Block breaks down then directly to collect to conclude to be judged to error listing, and according to the time of satellite signal strength and delocalization,
Vehicle is monitored in lasting movement by acceleration transducer at the same time as delocalization exceedes default first time, then by the unit
Emphasis monitoring object is classified as, when finding that vehicle is mobile and the unit still no-fix then thinks that the unit is different with twice of speed
Often, unit exception report, which is collected, enters error listing；(6) ADC detections first determine whether that signal inputs, as no signal inputs
Then directly jump out, its signal stabilization degree is then monitored if any signal, it is stable to obtain then to enable filtering algorithm for Dynamic Signal in this way
Signal；(7) mode that three CAN interface unit, RS485 units, RS232 units units take reading chip to enable foot signal is sentenced
It is disconnected normal whether, external equipment is then monitored by the signal arranged with each equipment, and external equipment periodically reports heartbeat message,
To confirm whether it is normal, unit exception report collection is then included in error listing if any abnormal.
Referring to Fig. 2, the error listing is shown on the display of vehicle mounted communication equipment, is particularly shown method such as
Under：(1) after equipment is collected into error listing, the Cloud Server of distal end is uploaded to if having content in error listing；(2) have
Communication unit, satellite positioning unit, power supply unit are then shown on a display screen immediately when abnormal, including ADC monitoring unit
Other it is abnormal then enter in equipment fault list menu, can check at any time；Wherein, when communication unit is abnormal, then automatically
Start bluetooth/WIFI local communication channels, wirelessly received using portable mobile terminals such as mobile phones easy to driver or maintenance personnel
Collect error listing, if communication unit is without exception, auto-returned, referring specifically to Fig. 3；(3) position and temporal information combine
Carry out fault cues, when satellite-signal is normal, when monitoring vehicle with entering the place of frequent stagnation of movement or company/family of setting
After point, then the prompting of all information is carried out, in order to which maintenance personnel safeguards in advance；When the same day starts automobile for the first time, then carry out
System prompt, to prompt driver's equipment has exception in which place, to be safeguarded in the suitable time.
Due to above-mentioned technical proposal, the invention has the advantages that：Actively monitoring can be carried out to vehicle, in real time will
Error listing is prompted to driver or maintenance personnel, and is uploaded to remote cloud server in time, and the error listing of vehicle is carried out
The fault state of vehicle is assessed while backup in advance；Selectively sequentially monitored according to the importance degree of vehicle monitoring information
Each function module of vehicle mounted communication equipment, drastically increases monitoring efficiency；Display or prompting for failure, being capable of basis
The operation conditions of vehicle selectively shows relevant fault message in a certain amount of time and place；Utilize bluetooth/WIFI communications
Technology, facilitates driver or maintenance personnel to check fault message by mobile communication terminal, convenient and efficient.The program carries on the whole
The high efficiency of vehicle monitoring and the foundation that vehicle is safeguarded by operation conditions is provided for driver and maintenance personnel, technology is imitated
Fruit is obvious.
Above disclosed is only a kind of preferred embodiment of the present invention, cannot limit the present invention's with this certainly
Interest field, therefore equivalent variations made according to the claims of the present invention, are still within the scope of the present invention.
Claims (1)
- A kind of 1. method of vehicle mounted communication device intelligence self diagnosis, it is characterised in that this method to vehicle mounted communication equipment according to Function is divided, and it is specifically divided into power supply unit, CPU element, communication unit, GPS/ big-dipper satellites positioning unit, ADC detection units, I/O detection units, CAN interface unit, RS485 units, wherein several big units of RS232 units, communication unit With bluetooth/WIFI communication modules, which includes monitoring method and fault display method；The monitoring method is：(1) vehicle launch, vehicle mounted communication device power-up；(2) equipment carries out self inspection when being powered Survey, as equipment cannot normally start, then check whether power supply unit gives electricity success manually by driver or maintenance personnel；(3) exist In equipment running process, CPU element carries out periodic monitoring to power supply unit, once detect that voltage fluctuation exceedes default first Voltage fluctuation threshold values, is uploaded to CPU element by the signal detected immediately, and improves voltage monitoring frequency, if equipment occur compared with The fluctuation of big supply voltage is abnormal and more than default second voltage fluctuation threshold values, then the exception reporting is collected enter at this time Error listing, to remind maintenance personnel preferentially to investigate power supply unit problem when safeguarding, wherein, the time interval of periodic monitoring, First voltage fluctuates threshold values and second voltage fluctuation threshold values is self-defined as requested by driver or maintenance personnel, and the second electricity Pressure fluctuation threshold values is more than first voltage fluctuation threshold values；(4) communication unit takes periodic monitoring with there is abnormal two kinds of reply immediately Pattern is monitored jointly, and periodic monitoring takes the regular mode for sending heart rate bag to realize the monitoring of network signal, including number According to communication, short message, the several functions of phone, send the selection of heart rate bag and carried out in equipment frequency using the minimum period, data are led to The test of short message is then no longer carried out in the case of letter is normal, and uses network test instruction mode, when testing abnormal again into Row sends data test, and the then unit exception report that notes abnormalities, which is collected, enters error listing；(5) positioning of GPS/ big-dipper satellites is single Member takes the method that read module is instructed and distinguished according to signal strength in itself, has the hardware fault module of monitoring function Break down then directly to collect to conclude and judged to error listing, and according to the time of satellite signal strength and delocalization, such as Delocalization exceedes default first time and monitors vehicle in lasting movement by acceleration transducer at the same time, then by the cell columns For emphasis monitoring object, when finding that vehicle is mobile and the unit still no-fix then thinks the unit exception with twice of speed, Unit exception report, which is collected, enters error listing；(6) ADC detections first determine whether that signal inputs, if no signal inputs Directly jump out, its signal stabilization degree is then monitored if any signal, Dynamic Signal then enables filtering algorithm to obtain stable letter in this way Number；(7) mode that three CAN interface unit, RS485 units, RS232 units units take reading chip to enable foot signal judges It is normal whether, external equipment is then monitored by the signal arranged with each equipment, and external equipment periodically reports heartbeat message, with Confirm whether it is normal, unit exception report collection is then included in error listing if any abnormal；The error listing is shown on the display of vehicle mounted communication equipment, and it is as follows to be particularly shown method：(1) equipment is collected To after error listing, the Cloud Server of distal end is uploaded to if having content in error listing；(2) there are communication unit, GPS/ Big-dipper satellite positioning unit, power supply unit then show over the display immediately when abnormal, other including ADC monitoring unit It is abnormal then into equipment fault list menu, can check at any time；Wherein, when communication unit is abnormal, then automatic start is blue Tooth/WIFI local communication channels, portable mobile terminal wireless collection error listing is used easy to driver or maintenance personnel, if Communication unit is without exception, then auto-returned；(3) position and temporal information combine carry out fault cues, in satellite-signal just Chang Shi, when monitor vehicle enter frequent stagnation of movement place or setting company/family place after, then carry out carrying for all information Show, in order to which maintenance personnel safeguards in advance；When the same day starts automobile for the first time, then system prompt is carried out, to prompt driver to set It is standby which place to have exception in, to be safeguarded in the suitable time.
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| CN106296550A (en) * | 2015-06-10 | 2017-01-04 | 中车唐山机车车辆有限公司 | Train fault inquiry system |
| CN105978979B (en) * | 2016-05-17 | 2019-04-19 | 扬州航盛科技有限公司 | A kind of linux onboard system abnormity diagnostic system and its diagnostic method |
| CN108886489B (en) * | 2016-12-06 | 2021-08-03 | 松下电器（美国）知识产权公司 | Information processing apparatus and information processing method |
| CN106530661A (en) * | 2016-12-08 | 2017-03-22 | 深圳市传测科技有限公司 | Communication terminal implanted state detection system and method |
| CN109885039A (en) * | 2019-03-28 | 2019-06-14 | 北京汇通天下物联科技有限公司 | A kind of fault remote/automatic diagnosis method of the anti-Fatigue equipment based on slave |
| CN111818487A (en) * | 2020-05-01 | 2020-10-23 | 东风汽车集团有限公司 | Signal transmission optimization method for sensor group of electric vehicle network node |
| CN113208637A (en) * | 2021-05-10 | 2021-08-06 | 重庆大学 | Working state identification system for exercise rehabilitation physiological parameter sensing detection device |
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| KR101089134B1 (en) * | 2009-09-14 | 2011-12-05 | 엠텍비젼 주식회사 | Video recording device for vehicle and driving information providing method thereof |
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