CN103647835B - Intelligent driving diagnostic instrument capable of realizing data supplementary transmission - Google Patents
Intelligent driving diagnostic instrument capable of realizing data supplementary transmission Download PDFInfo
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Abstract
The invention relates to an intelligent driving diagnostic instrument capable of realizing data supplementary transmission. The intelligent driving diagnostic instrument comprises a data acquisition unit and a data processing unit and further comprises a communication unit, a storage unit and an authentication unit. The communication unit is for detecting whether intensity of a communication signal reaches a set threshold, and data exchange between the communication unit and the intelligent driving service platform is carried out; the storage unit is for storing real-time vehicle data information when a signal can not be emitted, and is for resending the signal after recovery of signal communication and carrying out accuracy verification and sequential control of the stored signal; authentication verification is carried out through the authentication unit and the intelligent driving service platform. According to the intelligent driving diagnostic instrument, when the intelligent driving diagnostic instrument is powered on, authentication verification can be carried out; when an area signal communication state is poor or data uploading can not be realized, the data is stored in the storage unit, after recovery of signal communication, automatic supplementary transmission of the data is carried out, no data leakage is realized, accuracy verification on the sending-failed data is carried out, and accuracy of the data is improved.
Description
Technical field
The present invention relates to a kind of intelligence drives DAS (Driver Assistant System), more particularly, to a kind of data is mended the intelligence passing and is driven diagnostic equipment.
Background technology
Existing intelligent driving accessory system can intelligently grasp vehicle condition, road conditions in driving；Control spacing, prevent
The only function such as accident generation, automatic parking and automatic help.
Chinese patent " intelligent driving accessory system ", publication number: cn103303318a, disclose a kind of intelligent driving auxiliary
System, in this system, in order to reduce traffic accident and help driver assistance drive, including data acquisition module, control module,
Performing module data transceiver module, control module connects data acquisition module, performing module data transceiver module respectively, number
Include vehicle speed sensor, radar for backing car, angular transducer and matrix sensor according to acquisition module, vehicle speed sensor, radar for backing car,
Angular transducer and matrix sensor link control module respectively.Above-mentioned intelligent driving accessory system, fails in signal of communication not
Transceiving data in the case of good, such as in city area of high building comparatively dense etc..
In view of drawbacks described above, creator of the present invention passes through long research and practice obtains this creation finally.
Content of the invention
It is an object of the invention to provide a kind of data mends the intelligence passing drives diagnostic equipment in order to overcome above-mentioned technological deficiency.
For achieving the above object, the present invention provides a kind of data to mend the intelligence passing and drives diagnostic equipment, and it includes a data acquisition list
Unit, a data processing unit are it is characterised in that it also includes a communication unit, a memory cell and an authenticating unit；
Described data acquisition unit is connected with an automatic vehicle diagnosis system, and described data acquisition unit is used for vehicle
Real time data be acquired and this real time data carried out signal conversion；
Described data processing unit includes data processing subelement and a data processing and control subelement, described data processing
Unit is used for the real time data in described data acquisition unit is processed, and the data transfer after processing is single to described storage
Unit as the first reference signal and transmits to be uploaded to described communication unit etc.；Described data processing subelement is by described data
Real time data in collecting unit is converted into message format to be transmitted, and described message format includes header, type of message sum
According to described header is the message SN needing transmission, and described data is the data after described process, described data processing
Type of message storage as the first reference signal is defined base type and will be transmitted to described communication unit and wait by unit
The type of message passing is stored as contrasting type；
Described communication unit includes a signal detection subelement and a data uploads subelement；Described communication unit with described
Data processing unit is connected, when the communication signal strength that described communication unit detects is more than or equal to given threshold, institute
State intelligence and drive diagnostic equipment and intelligence and drive service platform and carry out data exchange；
Described memory cell is connected with described communication unit, when the communication signal strength that described communication unit detects is little
Data when given threshold, after the described process of storage；When described communication signal strength is more than given threshold, to described in storage
Data after process carries out accuracy verification and SECO；
Described authenticating unit is connected with described communication unit, and described authenticating unit drives clothes when switching on power with described intelligence
Business platform carries out authentication verification.
Preferably, described memory cell includes a benefit passes storing sub-units and a SECO subelement；
Described biography storing sub-units of mending detect communication signal strength less than given threshold in described signal detection subelement
When it would be desirable to upload data storage described mend pass storing sub-units；
Described SECO subelement, when described signal detection subelement detects signal of communication recovery, notifies described
Mend the data passing in storing sub-units to transmit in advance according to the described message SN of storage in described message format header, then
The data transfer in described data processing and control subelement is notified to upload subelement to described data, thus pressing described message format
In header, the described message SN order of storage is uploaded.
Preferably, described memory cell also includes a signal checking subelement；
Described signal checking subelement, when communication signal strength is detected more than described given threshold, by receive
The first reference signal that described data processing and control subelement sends is carried out accurately with mending the data passing storage in storing sub-units
Property verification, first by header in described message format storage described message SN identical message extraction out, then
Class on the basis of type of message in data message and the described message format that type of message in described message format is contrast type
The data message of type compares, if described data message is identical, sends the data of described storage；
If described data message differs, type of message in described message format is changed to request repeat type, to institute
State data processing and control subelement and send request, request again sending signal as the second reference signal again with described message lattice
In formula, type of message is the contrast data message of type and the first reference signal compares jointly, contrasts the number in described message format
It is believed that ceasing and choosing data message described in any two identical, above-mentioned data information memory is passed storing sub-units in described benefit
In and to data upload subelement send；
If the described message SN identical message of storage, only exists in message format in header in described message format
Type of message is the data message of contrast type, then above-mentioned message detects communication signal strength for described signal detection subelement
Less than the information directly storing during given threshold it is not necessary to accuracy verification, send the data of described storage.
Preferably, described data processing unit also includes a data processing subelement and an interim storage subelement；
Described data processing subelement, is processed and format conversion to the data obtaining in described data acquisition unit；
Described interim storage subelement, the data after described data processing subelement is processed, interim storage simultaneously waits
Pass；
Described data processing and control subelement, when signal of communication is detected less than given threshold, controls at described data
Data storage in reason subelement passes in storing sub-units in described benefit, when waiting signal recovers, chronologically transmits；And by number
According to being sent directly to described memory cell, Accuracy Verification is carried out to data in memory cell.
Preferably, described communication unit, upload subelement including command reception subelement data；
Described command reception subelement, receives the instruction that intelligence is driven between the exterior terminals such as service platform, mobile phone, and is transferred to number
According to processing unit execution；
Described data uploads subelement, and the data transfer of storage in described interim storage subelement is driven service to described intelligence
In platform；If data transmission fails, again transmit；If the continuous frequency of failure of data transfer is more than or equal to 3 times, it is sent to institute
State memory cell and preserve data, wait signal of communication to upload data when recovering.
Preferably, described signal detection subelement, described signal detection subelement detects to signal of communication, works as signal
When intensity is less than given threshold, described data uploads subelement and suspends upload data, and data storage waits signal of communication to recover
When resend.
Preferably, described signal detection subelement re-searches for signal every time interval t.
Preferably, described authenticating unit includes authentication storing sub-units, an authentication uploads subelement and an authentication controls
Subelement,
Described authentication storing sub-units store described intelligence and drive the registration code that diagnostic equipment carries；
Described authentication uploads subelement, drives in described intelligence and drives service platform transmission authentication to intelligence when system terminal switches on power
Message；
Described authentication controls subelement that the message transmission of authenticating unit is realized controlling；Described intelligence drives service platform according to institute
State the authentication message of authenticating unit transmission, identify whether described intelligence drives diagnostic equipment legal, if intelligent Service Platform identifies described intelligence
Drive system terminal legal, then open intelligence and drive system；If it is illegal that the described intelligence of intelligent Service Platform identification drives system terminal, close
Intelligence is driven system and is driven service platform transmission message to intelligence.
Preferably, described data acquisition unit includes a vehicle condition data acquisition subelement and alert data collection is single
Unit；Described vehicle condition data acquisition subelement, the real-time data acquisition to vehicle；
Described alert data collection subelement includes a fault alarm acquisition module, and described fault alarm acquisition module exists
When vehicle breaks down, diagnosis is sent to intelligence to DTC and alarm signal and drives service platform.
Preferably, described alert data collection subelement also includes a collision warning acquisition module, it includes one or three axle tops
Spiral shell instrument, described three-axis gyroscope detects collision information, and described collision warning acquisition module is driven service platform to described intelligence and sent
Alarm signal.
Preferably, described alert data collection subelement also includes a low-voltage warning acquisition module；
Described low-voltage warning acquisition module, after vehicle lay-off, described low-voltage warning acquisition module detects storage battery
Voltage is less than when setting low voltage value, drives service platform to described intelligence and sends alarm signal.
Compared with the prior art the beneficial effects of the present invention is: a kind of data mend pass intelligence drive diagnostic equipment, work as vehicle
In the place of mobile communication signal difference or serious interference, when leading to data to upload unsuccessfully or can not upload, intelligence drives diagnostic equipment by number
According to storage in the memory unit, after signal recovers normal, automatically mend the data passing in described memory cell, realize data not
Omit, and successful signal is not sent to these and verify, enhance the accuracy of signal；To on needs before data upload
The data passing is encrypted, and key changes with message SN, prevents data in upload procedure to be intercepted and prevent
Encryption method is cracked it is ensured that the security of data；Once communication recovery is detected, upload the data of storage immediately；When
After entrance has signal of communication region, after the null zones such as ground storehouse start vehicle, upload a upper cycle data of storage immediately
(travelling data, flame-out data, voltage data, vibrations alert data) and this firing data etc.；Drive diagnostic equipment in intelligence to access
During power supply, drive service platform with intelligence and carry out authentication verification it is ensured that user and user information safety.
Brief description
Fig. 1 mends, for data of the present invention, the structure chart that the intelligence passing drives diagnostic equipment；
Fig. 2 mends, for data of the present invention, the data acquisition unit structure chart that the intelligence passing drives diagnostic equipment；
Fig. 3 mends, for data of the present invention, the data processing unit structure chart that the intelligence passing drives diagnostic equipment；
Fig. 4 mends, for data of the present invention, the communication unit structure chart that the intelligence passing drives diagnostic equipment；
Fig. 5 mends, for data of the present invention, the memory cell structure figure that the intelligence passing drives diagnostic equipment；
Fig. 6 mends, for data of the present invention, the authenticating unit structure chart that the intelligence passing drives diagnostic equipment；
Fig. 7 mends, for data of the present invention, the flow chart that the intelligence passing drives diagnostic equipment data transfer；
Fig. 8 mends, for data of the present invention, the data benefit biography process flow diagram flow chart that the intelligence passing drives diagnostic equipment；
Fig. 9 mends, for data of the present invention, the authentication process flow diagram flow chart that the intelligence passing drives diagnostic equipment.
Specific embodiment
Below in conjunction with accompanying drawing, the above-mentioned He other technical characteristic of the present invention and advantage are described in more detail.
Refer to shown in Fig. 1, it mends, for data of the present invention, the structure chart that the intelligence passing drives diagnostic equipment, described intelligence drives diagnosis
Instrument 2 one end is connected with OBD 1, and connected mode inserts, for conductor interface, the socket that automobile is reserved, for from car
Carry auto-check system 1 and extract travelling data；Described intelligence is driven diagnostic equipment 2 and is driven service platform 3 by network and intelligence and is connected, and will gather
To data processing after be transferred to described intelligence and drive service platform 3 or drive service platform 3 and receive from intelligence and instruct and execute.
Described intelligence is driven diagnostic equipment 2 and is included a data acquisition unit 21, a data processing unit 22, a communication unit 23,
Memory cell 24 and an authenticating unit 25.
Refer to shown in Fig. 2, it mends, for data of the present invention, the data acquisition unit structure chart that the intelligence passing drives diagnostic equipment, its bag
Include a data acquisition unit 21, described data acquisition unit 21 is driven other devices that diagnostic equipment 2 and intelligence drive diagnostic equipment 2 from intelligence and adopted
Collection data is simultaneously transferred to subsequent cell, and it includes a vehicle condition data acquisition module 211 and an alert data acquisition module 212, institute
State vehicle condition data acquisition module 211, to real-time data acquisition, car state, diagnostic equipment actively reads vehicle all the time and runs
Real-time stream, fault code indications, battery voltage, oil consumption, gyroscope information；Described alert data acquisition module 212 includes event
Barrier alarm module, collision warning module and low-voltage alarm module.Described fault alarm module, when vehicle breaks down, diagnoses
Instrument care diagnostic to DTC and is reported to the police and is uploaded to platform.Described collision warning module, three-axis gyroscope detects collision information,
Diagnostic equipment is reported to the police immediately and is uploaded to platform；Described low-voltage alarm module, after vehicle lay-off, diagnostic equipment detects battery voltage
Less than when setting low voltage value (11.5v), report to the police immediately and upload to platform.
Refer to shown in Fig. 3, it mends, for data of the present invention, the data processing unit structure chart that the intelligence passing drives diagnostic equipment, described
It is single that data processing unit 22 includes a data processing subelement 221, an interim storage subelement 222 and data processing and control
Unit 223.
Described data processing subelement 221 is processed to the data obtaining in acquisition module, is converted into be transmitted disappearing
Breath form, described message format includes header, type of message data, and described header is to need the message SN of transmission and excellent
First weigh rank, if data message is flame-out data or firing data, mark priority level number is p, other data marks
Note priority level number is o；Described type of message includes reference type and contrast type, and described data is the number after described process
According to, described data processing subelement, the type of message storage as the first reference signal is defined base type and will be transmitted to institute
State the type of message to be uploaded such as communication unit 23 to be stored as contrasting type.
Described interim storage subelement 222, the data after described data processing subelement 221 is processed, interim storage rises
Come, preparation is transferred to intelligence and drives service platform 3.Described data processing and control subelement 223, when signal of communication cannot be detected,
Control the data storage collecting in described memory cell 24, when waiting signal recovers, chronologically transmit；And data is straight
Connect and back up to signal checking subelement, Accuracy Verification is carried out to the data that will realize data benefit biography.
Refer to shown in Fig. 4, it mends the communication unit structure chart that the intelligence passing drives diagnostic equipment, described communication for data of the present invention
Unit 23, uploads subelement 233 and a data including a signal detection subelement 231, command reception subelement 232, a data
Encryption sub-unit operable 234.Described signal detection subelement 231 detects to signal of communication, when signal strength signal intensity is less than given threshold
During k, described intelligence is driven diagnostic equipment and cannot normally be received and dispatched the instruction that intelligence drives service platform 3, and described data uploads on subelement 233 time-out
Pass data, send when waiting signal in data storage to memory cell 24 is recovered.Described signal detection subelement 231 every when
Between interval t (0.1s) re-search for signal.Described command reception subelement 232, receives intelligence and drives the outside such as service platform 3, mobile phone
The instruction of terminal room, and be transferred to data processing unit 22 and execute, can achieve that the outside instruction that intelligence is driven with diagnostic equipment such as controls at the work(
Energy.Described data uploads subelement 233 and to described intelligence, the data transfer of storage in interim storage subelement 222 is driven service platform
In 3；If data does not upload successfully, again upload；If continuous unsuccessfully upload is more than 3 times, it is sent to memory cell 24 and protects
Deposit data, when waiting signal of communication to recover, data uploads.
Data encryption subelement 234, reaches (signal detection subelement inspection after data uploads subelement 233 in described data
Measure signal strength signal intensity and be more than given threshold, when data can upload), data is encrypted, prevents from being intercepted in upload procedure,
Ensure that the security of signal.Described data encryption subelement 234 to the data encryption in message format, and by initial key k0
Storage in the header, is driven after service platform 3 receives encryption information in intelligence, using initial key k0The intelligence service of driving is flat with being stored in
Reserved key k in platform 3 system1Data message is deciphered, thus obtaining initial data.In ciphering process, the correction value of key is public
Formula:
Ciphering process formula is
Y=xλ% (m* δ k) (3)
Wherein, λ is encryption exponent, randomly selects a number relatively prime with θ from (0, θ -1), and m is message SN, and δ k is
The correction value of key, x is in plain text, and y is ciphertext.Described ciphering process, different with the difference of message SN m it is therefore prevented that
The insecurity being intercepted in data upload process, a, b are two constants.
The described correction value δ k for key, changes with the difference of sequence number m, thus leading to encryption in AES
Index is different, thus increasing the security of key.Key k1For one group of 16 character string, key k0It is stored in advance in intelligence and drive clothes
In business platform 3 system, with the transmission of data, key k1Change leads to δ k to change, but key k0Do not change.
The corresponding decrypting process of above-mentioned ciphering process is driven to exist in a deciphering module in service platform 3 in intelligence and is carried out, described
Decrypting process is
δ=(1% θ)/λ (4)
X=yδ% (m* δ k) (5)
Wherein, δ is decryption exponent, and x is in plain text, and y is ciphertext.
The described message format uploading data, is shown in following table, storage message SN and initial key k in header0,
Type of message reads from the message format receiving, and does not make any changes, the data after storage encryption in data, ciphertext y.Plus
After the completion of close process, described data encryption subelement 234
After the completion of ciphering process, ciphertext is uploaded to data and uploads subelement 233 by described data encryption subelement 234, on
Reach intelligence and drive service platform 3.Before data uploads, the data needing to upload is encrypted, and key is with message sequence
Number m change, prevents data in upload procedure to be intercepted and prevents encryption method to be cracked it is ensured that the security of data.
Described intelligence is driven in service platform 3, is present in data processing module, and this data processing module is p to priority level
Igniting and flame-out data individually stored, when memory space is full, abandon the data that priority level is o, but preserve preferential
Weigh the igniting that grade is p and flame-out data drives the reference data of navigator as intelligence, judge travel condition of vehicle for contrast.
Refer to shown in Fig. 5, it mends the memory cell structure figure that the intelligence passing drives diagnostic equipment, described storage for data of the present invention
Unit 24, mends including one and passes storing sub-units 241, a SECO subelement 242 and a signal checking subelement 243.
Described mend pass storing sub-units 241 described signal detection subelement 231 detect there is no signal of communication when, will need
Signal to be uploaded is stored in described benefit and passes storing sub-units 241.Described SECO subelement 242, in described signal detection
When subelement detects signal of communication recovery, notify the described data passing in storing sub-units 241 of mending according to described message format
In header, the described message SN of storage transmits in advance, then notifies the data in described data processing and control subelement 223
Transmit and upload subelement 233 to described data, thus the described message SN order by storage in described message format header
(sequential) is uploaded, and such intelligence is driven what service platform 3 received data and chronologically arranged.
Described signal checking subelement 243, detects communication signal strength in signal detection subelement 231 and is more than described setting
When determining threshold value, the first reference signal that the described data processing and control subelement 223 receiving is sent is single with benefit biography storage
In unit 241, the data of storage carries out accuracy verification, first by the described message sequence of storage in header in described message format
Out, the data message being then contrast type by type of message in described message format is disappeared with described for number identical message extraction
On the basis of type of message in breath form, the data message of type compares, if described data message is identical, sends described storage
Data.
If described data message differs, type of message in described message format is changed to request repeat type, to institute
State data processing and control subelement and send request, request again sending signal as the second reference signal again with described message lattice
In formula, type of message is the contrast data message of type and the first reference signal compares jointly, chooses two identical data messages
It is stored as comparative information and uploads, to data, the data that subelement 233 sends described storage, now described benefit passes storing sub-units
In 241, the data of storage occurs in that mistake, is corrected in signal checking subelement 243.
If the described message SN identical message of storage, only exists in message format in header in described message format
Type of message is the data message of contrast type, then above-mentioned message detects signal of communication for described signal detection subelement 231
Intensity is less than the information of directly storage during given threshold it is not necessary to carry out accuracy verification, then directly upload subelement to data
The data of the 233 described storages of transmission.
Refer to shown in Fig. 6, it mends the authenticating unit structure chart that the intelligence passing drives diagnostic equipment, described authentication for data of the present invention
Unit 25, including authentication storing sub-units 251, an authentication controls subelement 252 and an authentication to upload subelement 253.Vehicle
Igniting, intelligence is driven diagnostic equipment and is switched on power, and described authentication upload subelement 253 is driven service platform 3 to intelligence and sent described authentication storage
The registration code of subelement 251 storage, intelligence is driven service platform 3 and is driven system terminal transmission authentication code to registered intelligence, and described intelligence is driven
The authentication of system terminal authenticating unit uploads subelement 253 and drives service platform 3 transmission authentication message to intelligence, and drives clothes by described intelligence
Whether business platform 3 is identified legal.If it is legal that intelligent Service Platform 3 identifies that described intelligence drives system terminal, open intelligence and drive system；If
It is illegal that intelligent Service Platform 3 identifies that described intelligence drives system terminal, then close intelligence and drive system and drive service platform 3 and send to intelligence and disappear
Breath.
Refer to shown in Fig. 7-9, it mends, for data of the present invention, the flow chart that the intelligence passing drives diagnostic equipment data transfer,
Step a1, automotive ignition, intelligence is driven diagnostic equipment and is switched on power, and authenticating unit 25 sends authentication to intelligent Service Platform 3
Request, if authenticating successfully, execution step a2；If unsuccessful, terminate flow process.Authentication process ensure that the peace of vehicle operation data
Quan Xing, prevents intelligence from driving the illegal access of diagnostic equipment.
Refer to shown in Fig. 9, it mends, for data of the present invention, the authentication process flow diagram flow chart that the intelligence passing drives diagnostic equipment；
Step a11, during igniting, intelligence is driven diagnostic equipment and is switched on power, and intelligence is driven system terminal and driven service platform 3 transmission storage to intelligence
The registration code of subelement storage；
Step a12, after intelligence drives service platform 3 certification, drives system terminal to registered intelligence and sends authentication code；
Step a13, the authentication upload subelement 253 that described intelligence drives system terminal authenticating unit drives service platform 3 to intelligence
Send authentication message；
Step a14, described intelligence is driven service platform 3 and is identified whether intelligence drives system terminal legal.If intelligent Service Platform 3 is identified
It is legal that described intelligence drives system terminal, then execution step a16；If it is illegal that intelligent Service Platform 3 identifies that described intelligence drives system terminal,
Then execution step a15；
Step a15, closes intelligence and drives system and drive service platform 3 transmission message to intelligence；
Step a16, opens intelligence and drives system, read and drive service platform transmission data to intelligence；
Intelligence is driven terminal and is sent positional information, warning etc. to platform as needed, and platform sends to terminal as needed simultaneously
Dispatching platforms information, repeats reading information and sends information Step, terminal and platform constantly interact.
Step a2, described vehicle condition data acquisition subelement 211 is acquired to travelling data；
Step a3, described data processing subelement 221 is calculated to the data surveyed and is processed；
Step a4, described data uploads subelement 233 and uploads the data needing to upload；
Refer to shown in Fig. 8, it mends, for data of the present invention, the data benefit biography process flow diagram flow chart that the intelligence passing drives diagnostic equipment,
Step a41, described data uploading unit 233 receives data to be sent；
Step a42, described detecting signal unit 231 has detected whether signal of communication, and assay intervals are time interval ts, sentence
Whether disconnected have signal of communication, if having, execution step a43；If there is no sending signal, execution step a44；
Step a43, to data encryption and upload, judges whether data successfully uploads, if successfully uploading, terminal procedure；
If successfully not uploading, again upload after elapsed time interval t0；If continuous unsuccessfully upload is more than 3 times, execution step a44；
This process mends, for data, the compensation process passing, and uploads unsuccessful rear interval time t0 in data and reattempts to transmission, prevents from transmitting
What mistake led to cannot upload.
Step a44, described memory cell 24 preserves data, in case data uploads when signal of communication recovers；And execution step
a41.
Step a5, described vehicle condition collection subelement 211 judges whether automobile stops working, if flame-out, execution step a6；If no
Flame-out then repeat the above steps a1-a5, gather to vehicle operation data.
Step a6, described data uploads subelement 233 according to step in step a4 it would be desirable to the data uploading uploads, if
Upload successfully then execution step a8；If uploading unsuccessful, execution step a7；
Step a7, described benefit passes storing sub-units 241 and preserves data；
Step a8, data when described vehicle condition data acquisition subelement 211 reads stationary vehicle；
Step a9, described data uploads whether sub 233 unit judges upload, if having uploaded, execution step a4 uploads number
According to；If not uploading, execution step a10；
Step a10, described vehicle condition collection subelement 211 judges that described intelligence drives whether diagnostic equipment shuts down, if shutdown executes step
Rapid a20；If not shutting down, execution step a1；
Step a20, described interim storage subelement preserves data.
The foregoing is only presently preferred embodiments of the present invention, be merely illustrative for invention, and nonrestrictive.
Those skilled in the art understands, it can be carried out in the spirit and scope that invention claim is limited with many changes, change,
Even equivalent, but fall within protection scope of the present invention.
Claims (10)
1. a kind of data is mended the intelligence passing and is driven diagnostic equipment, and it includes a data acquisition unit, a data processing unit, and its feature exists
In it also includes a communication unit, a memory cell and an authenticating unit；
Described data acquisition unit is connected with an automatic vehicle diagnosis system, and described data acquisition unit is used for the reality to vehicle
When data be acquired and this real time data carried out signal conversion；
Described data processing unit includes data processing subelement and a data processing and control subelement, described data processing unit
For processing to the real time data in described data acquisition unit, the data transfer after processing is made to described memory cell
For the first reference signal and transmit to be uploaded to described communication unit etc.；Described data processing subelement is by described data acquisition
Real time data in unit is converted into message format to be transmitted, and described message format includes header, type of message data, institute
Stating header is message SN and the priority level number needing to transmit described real time data, after described data is described process
Data, the type of message storage as the first reference signal is defined base type and will be transmitted to by described data processing subelement
The type of message of described communication unit is stored as contrasting type；
Described communication unit includes a signal detection subelement and a data uploads subelement；Described communication unit and described data
Processing unit is connected, when the communication signal strength that described communication unit detects is more than or equal to given threshold, described intelligence
Drive diagnostic equipment and intelligence is driven service platform and carried out data exchange；
Described memory cell is connected with described communication unit, sets when the communication signal strength that described communication unit detects is less than
Data when determining threshold value, after the described process of storage；Described process when described communication signal strength is more than given threshold, to storage
Data afterwards carries out accuracy verification and SECO；
Described authenticating unit is connected with described communication unit, and the service of driving is flat with described intelligence when switching on power for described authenticating unit
Platform carries out authentication verification.
2. data according to claim 1 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described memory cell includes a benefit
Pass storing sub-units and a SECO subelement；
Described benefit passes storing sub-units when described signal detection subelement detects communication signal strength and is less than given threshold, will
The data storage uploading is needed to pass storing sub-units in described benefit；
Described SECO subelement, when described signal detection subelement detects signal of communication recovery, notifies described benefit to pass
Data in storing sub-units is transmitted in advance according to the described message SN of storage in described message format header, then notifies
Data transfer in described data processing and control subelement uploads subelement to described data, thus pressing described message format header
The described message SN order of middle storage is uploaded.
3. data according to claim 1 and 2 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described memory cell is also wrapped
Include a signal checking subelement；
Described signal checking subelement, when communication signal strength is detected more than described given threshold, described in receiving
The first reference signal that data processing and control subelement sends carries out accuracy school with mending the data passing storage in storing sub-units
Test, first by the described message SN identical message extraction of storage in header in described message format out, then by institute
State type on the basis of type of message in the data message that type of message in message format is contrast type and described message format
Data message compares, if described data message is identical, sends the data of described storage；
If described data message differs, type of message in described message format is changed to request repeat type, to described number
Control subelement to send request according to processing, request again sending signal as the second reference signal again with described message format in
Type of message is the contrast data message of type and the first reference signal compares jointly, contrasts the data letter in described message format
Cease and choose data message described in any two identical, above-mentioned data information memory is passed in storing sub-units simultaneously in described benefit
Upload subelement to described data to send；
If the described message SN identical message of storage in header in described message format, only existing described type of message is
Contrast the data message of type, then above-mentioned message detects communication signal strength for described signal detection subelement and is less than setting threshold
During value, the information of directly storage, it is not necessary to accuracy verification, sends the data of described storage.
4. data according to claim 2 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described data processing unit also wraps
Include an interim storage subelement；
Described data processing subelement, is processed and format conversion to the data obtaining in described data acquisition unit；
Described interim storage subelement, by described data processing subelement process after data, interim storage and etc. to be uploaded；
Described data processing and control subelement, when communication signal strength is detected less than given threshold, controls at described data
Data storage in reason subelement passes in storing sub-units in described benefit, when waiting signal recovers, chronologically transmits；And by number
According to being sent directly to described memory cell, Accuracy Verification is carried out to data in memory cell.
5. data according to claim 4 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described communication unit, also includes
Command reception subelement, data upload subelement data encryption sub-unit operable；
Described command reception subelement, receives the instruction that intelligence is driven between the exterior terminals such as service platform, mobile phone, and is transferred at data
Reason unit execution；
Described data uploads subelement, described interim storage subelement and benefit is passed the clear data of storage in storing sub-units
It is transferred to data encryption subelement；The encrypted data that the described data encryption subelement receiving is sent is transferred to described intelligence
Drive in service platform；
Described communication signal strength is reached the data that can upload during given threshold and is encrypted by described data encryption subelement,
And encrypted data is transferred to described data upload subelement, uploaded.
6. data according to claim 1 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described signal detection subelement,
Described signal detection subelement detects to signal of communication, and when signal strength signal intensity is less than given threshold, described data uploads son
Unit suspends upload data, and data storage waits signal of communication to resend when recovering.
7. data according to claim 1 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described authenticating unit includes a mirror
Power storing sub-units, an authentication uploads subelement and an authentication controls subelement,
Described authentication storing sub-units store described intelligence and drive the registration code that diagnostic equipment carries；
Described authentication uploads subelement, drives in intelligence and drives service platform transmission authentication message to intelligence when system terminal switches on power；
Described authentication controls subelement that the message transmission of authenticating unit is realized controlling；Described intelligence drives service platform according to described mirror
The authentication message that power unit sends, identifies whether described intelligence drives diagnostic equipment legal, if described intelligence is driven service platform and identified described intelligence
Drive system terminal legal, then open intelligence and drive system；If described intelligence drives service platform, and to identify that described intelligence drives system terminal illegal,
Close intelligence to drive system and drive service platform transmission message to intelligence.
8. data according to claim 1 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described data acquisition unit includes
One vehicle condition data acquisition subelement and alert data collection subelement；
Described vehicle condition data acquisition subelement, the real-time data acquisition to vehicle；
Described alert data collection subelement includes a fault alarm acquisition module, and described fault alarm acquisition module is sent out in vehicle
During raw fault, the DTC diagnosing and alarm signal are sent to intelligence and drive service platform.
9. data according to claim 8 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that described alert data collection is single
Unit also includes a collision warning acquisition module, and it includes a three-axis gyroscope, and described three-axis gyroscope detects collision information, institute
State collision warning acquisition module and drive service platform to described intelligence and send alarm signal.
10. data according to claim 9 is mended the intelligence passing and is driven diagnostic equipment it is characterised in that the collection of described alert data is sub
Unit also includes a low-voltage warning acquisition module；
Described low-voltage warning acquisition module, after vehicle lay-off, described low-voltage warning acquisition module detects battery voltage
During less than setting low voltage value, driving service platform to described intelligence and sending alarm signal.
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| CN104122100B (en) * | 2014-08-07 | 2017-04-19 | 北京九五智驾信息技术股份有限公司 | Intelligent driving diagnosis system |
| CN104318510B (en) * | 2014-11-14 | 2018-11-30 | 西北农林科技大学 | A kind of image encryption and decomposition method based on Matlab |
| CN104735136B (en) * | 2015-03-02 | 2018-06-01 | 西安科技大学 | A kind of new network-based mathematical studying system |
| CN104917644A (en) * | 2015-04-14 | 2015-09-16 | 安徽立卓智能电网科技有限公司 | Method for actively and additionally recording data by sub stations to master station based on compression algorithm |
| US10834582B2 (en) * | 2015-09-30 | 2020-11-10 | Cummins, Inc. | System, method, and apparatus for secure telematics communication |
| CN106922038A (en) * | 2015-12-24 | 2017-07-04 | 中兴通讯股份有限公司 | The management method and device of data transfer |
| CN111292442B (en) * | 2018-12-07 | 2022-02-15 | 江苏迪纳数字科技股份有限公司 | Recalculation method for correcting vehicle travel segment based on vehicle report supplementing data |
| CN114244478A (en) * | 2021-12-16 | 2022-03-25 | 广东博立科技有限公司 | Method for intelligently transmitting data by data acquisition instrument |
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