CN107202593A - A kind of automobile and mileage backup method - Google Patents
A kind of automobile and mileage backup method Download PDFInfo
- Publication number
- CN107202593A CN107202593A CN201710465753.3A CN201710465753A CN107202593A CN 107202593 A CN107202593 A CN 107202593A CN 201710465753 A CN201710465753 A CN 201710465753A CN 107202593 A CN107202593 A CN 107202593A
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- China
- Prior art keywords
- distance travelled
- combination instrument
- mileage
- car body
- body controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
Abstract
A kind of automobile and mileage backup method, including:Combination instrument and car body controller periodically send the distance travelled number of itself storage to other side;Combination instrument receives the first currently transmitted traveling mileage number of car body controller, and is compared with the distance travelled number of itself storage;When the difference of distance travelled number of the first traveling mileage number with being stored in combination instrument is more than the first preset value, the distance travelled number itself stored is replaced with the first traveling mileage number by combination instrument;Car body controller receives the second currently transmitted distance travelled number of combination instrument, and is compared with the mileage number of itself storage;When the difference of the mileage number stored in the second distance travelled number and car body controller is more than the second preset value, the distance travelled number itself stored is replaced with the second distance travelled number by car body controller.The present invention is compared and backed up mutually by the distance travelled number between combination instrument and car body controller, prevents robber from changing vehicle driving mileage data.
Description
Technical field
The present invention relates to automotive field, more particularly to a kind of automobile and mileage backup method.
Background technology
Vehicle driving mileage is one of most important parameter in automobile Life cycle, and it represents the current total travel of vehicle
Mileage number, vehicle running state, which is assessed, has important reference value, also for vehicle guarantee mileage provide it is most direct according to
According to.
The distance travelled of current most domestic vehicle is recorded in combination instrument, and combination instrument is the vehicle of laws and regulations requirement
Mileage is stored and display device.When changing combination instrument or after refresh to instrumented data, combination instrument distance travelled can be with
The actual travel mileage of former car is not inconsistent.Particularly vehicle transaction, it is artificial vehicle driving mileage number to be changed small or reset, by used car
As new car sale, this can cause very big adverse effect to the use of user, jeopardize the safety of user.
The content of the invention
In view of above-mentioned condition, it is necessary to be tampered for the distance travelled number of automobile combination meter in the prior art, influence
There is provided a kind of mileage backup method and device for the use problem of user.
A kind of mileage backup method, applied in automobile, the automobile includes combination instrument and car body controller, institute
Stating mileage backup method includes:
The combination instrument and the car body controller periodically send the distance travelled number of itself storage to other side;
The first currently transmitted traveling mileage number of the combination instrument reception car body controller, and stored with itself
Distance travelled number is compared;
When the difference of distance travelled number of the described first traveling mileage number with being stored in the combination instrument is pre- more than first
If during value, the distance travelled number itself stored is replaced with the first traveling mileage number by the combination instrument;
The second currently transmitted distance travelled number of the car body controller reception combination instrument, and stored with itself
Mileage number is compared;
Preset when the difference of the mileage number stored in the second distance travelled number and the car body controller is more than second
During value, the distance travelled number itself stored is replaced with the second distance travelled number by the car body controller.
Above-mentioned mileage backup method, in addition to step:
The combination instrument reads the GES that ABS is sent, and calculates current driving mileage according to the GES
Number;
The combination instrument updates the distance travelled number stored in the combination instrument according to the current driving mileage number.
Above-mentioned mileage backup method, wherein, the combination instrument and the car body controller pass through CAN respectively
The distance travelled number of itself storage is periodically sent to other side.
Above-mentioned mileage backup method, wherein, first preset value and second preset value are 200km.
Above-mentioned mileage backup method, wherein, the combination instrument and the car body controller are periodically sent out to other side
Giving the step of the distance travelled number itself stored includes:
The combination instrument and the car body controller send the row of itself storage with 0.1S gap periods to other side
Sail mileage number.
A kind of automobile, including combination instrument and car body controller, wherein,
The combination instrument includes:
First sending module, for periodically being sent to the car audio controller in the traveling stored in the combination instrument
Number of passes;
First comparison module, for receive the car body controller it is currently transmitted first traveling mileage number, and with it is described
The distance travelled number stored in combination instrument is compared;
First replacement module, for when the distance travelled number stored in the described first traveling mileage number and the combination instrument
Difference be more than the first preset value when, the combination instrument by the distance travelled number itself store replace with it is described first travel in
Number of passes;
The car body controller includes:
Second sending module, for periodically being sent to the combination instrument in the traveling stored in the car body controller
Number of passes;
Second comparison module, the second distance travelled number currently transmitted for receiving the combination instrument, and with the car
The mileage number stored in body controller is compared;
Second replacement module, for when the mileage number stored in the second distance travelled number and the car body controller
When difference is more than the second preset value, the car body controller replaces with the distance travelled number itself stored in second traveling
Number of passes.
Above-mentioned automobile, wherein, the combination instrument also includes:
Computing module, current driving mileage is calculated for reading the GES that ABS is sent, and according to the GES
Number;
Update module, for updating the distance travelled stored in the combination instrument according to the current driving mileage number
Number.
Above-mentioned automobile, wherein, the combination instrument and the car body controller are respectively by CAN periodically to other side
Send the distance travelled number of itself storage.
Above-mentioned automobile, wherein, first preset value and second preset value are 200km.
A kind of automobile, including memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, it is characterised in that the step of realizing the above method during computing device described program.
In the embodiment of the present invention, the combination instrument of automobile periodically sends the distance travelled of itself storage to car body controller
Data, the mileage that car body controller reads the combination instrument driving mileage data sent and stored with itself is compared,
When comparative result is that the distance travelled number that combination instrument is stored is pre- more than first more than the distance travelled number that car body controller is sent
If during value, the distance travelled number itself stored is updated to the distance travelled number of combination instrument transmission by car body controller.
Car body controller periodically sends the driving mileage data of itself storage to combination instrument, and combination instrument reads vehicle body
The driving mileage data of controller transmission is simultaneously compared with the driving mileage data of itself storage, when comparative result is car body controller
When the distance travelled of middle storage is more than the distance travelled number of combination instrument transmission more than the second preset value, combination instrument deposits itself
The distance travelled number of storage is updated to the distance travelled number of car body controller transmission.
The embodiment of the present invention is compared and backed up mutually by the distance travelled number between combination instrument and car body controller, is realized
Prevent from stealing the function of changing vehicle driving mileage data.
Brief description of the drawings
Fig. 1 be first embodiment of the invention in mileage backup method flow chart;
Fig. 2 be second embodiment of the invention in mileage backup method flow chart;
Fig. 3 be third embodiment of the invention in automobile combination instrument structured flowchart;
Fig. 4 be third embodiment of the invention in automobile car body controller structured flowchart.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
With reference to following description and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention.In these descriptions
In accompanying drawing, some particular implementations in embodiments of the invention are specifically disclosed, to represent the implementation for implementing the present invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, the present invention
Embodiment includes all changes, modification and the equivalent fallen into the range of the spirit and intension of attached claims.
Referring to Fig. 1, be the mileage backup method in first embodiment of the invention, applied in automobile, the vapour
Car includes combination instrument and car body controller.Wherein, combination instrument is vehicle mileage storage and the display device of laws and regulations requirement, car
Body controller is the integrated of body electric system (lamp, middle control, windscreen wiper, antitheft etc.), and car body controller possesses data storage capacities, and its
The data of storage are difficult artificially to be distorted, with higher data safety grade.
The mileage backup method includes step S11~S15.
Step S11, the combination instrument and the car body controller are periodically sent in the traveling of itself storage to other side
Number of passes.
Distance travelled number in combination instrument and car body controller is stored in the memory of combination instrument, is such as passed through
EEPROM is stored.Combination instrument and car body controller for example send itself storage according to 0.1s gap periods to other side
Distance travelled number.
Combination instrument sends distance travelled number by CAN to car body controller, and institute is received simultaneously also by CAN
State the distance travelled number of car body controller transmission;Car body controller sends distance travelled number also by CAN to combination instrument,
The distance travelled number that combination instrument is sent is received simultaneously.Carried out data transmission using CAN, it is efficiently and reliable.
Step S12, the combination instrument receives the first currently transmitted traveling mileage number of the car body controller, and with from
The distance travelled number of body storage is compared.
Step S13, when the difference of distance travelled number of the described first traveling mileage number with being stored in the combination instrument is big
When the first preset value, the distance travelled number itself stored is replaced with the first traveling mileage number by the combination instrument.
In above-mentioned steps, the mileage number that combination instrument calculates car body controller transmission is the first mileage number x1, with combining instrument
The mileage number x of table itself storage0Difference, work as x1-x0During more than the first preset value, the row that the combination instrument stores itself
Sail mileage number and replace with the first traveling mileage number.
Step S14, the car body controller receives the second currently transmitted distance travelled number of the combination instrument, and with from
The mileage number of body storage is compared.
Step S15, when the difference of mileage number of the second distance travelled number with being stored in the car body controller is more than
During the second preset value, the distance travelled number itself stored is replaced with the second distance travelled number by the car body controller.
In above-mentioned steps, the mileage number that car body controller calculates combination instrument transmission is the second distance travelled number y1 and vehicle body
The mileage number y of controller itself storage0Difference, work as y1-y0During more than the second preset value, car body controller stores itself
Distance travelled number replaces with the second distance travelled number.
If combination instrument and car body controller update itself storage mileage number number of times it is too frequent when, itself is deposited
Reservoir affects, and causes the life-span for shortening memory.The present embodiment, is respectively compared combination instrument and car body controller
The distance travelled number of itself storage and the distance travelled number each received, when in the traveling that combination instrument and car body controller are received
When number of passes exceedes the mileage number arrival certain value each stored, the mileage number in memory is just replaced.Avoid frequently repairing
Change the memory of combination instrument and car body controller.
First preset value and the second preset value can be configured according to being actually needed for automobile, for example, could be arranged to
200km.200km is the acceptable difference of vehicle safety, on the security of automobile almost without influence, and can guarantee that combination instrument
With the service life of the memory of car body controller.
In the present embodiment, the traveling course number of vehicle is stored in combination instrument and car body controller respectively, and is mutually compared
Compared with the mileage in combination instrument and car body controller, real-time update.If changing combination instrument or storing combination instrument
Mileage number illegally change in hour, comparison combination instrument and car body controller in distance travelled number, when the difference of the two exceedes
During the first preset value, the distance travelled number that the distance travelled number that combination instrument is stored is changed to store in car body controller.Protect
The mileage number that card combination instrument is shown is not less than actual travel mileage number, it is ensured that user's is safe with car.Car body controller according to
The traveling course number that combination instrument is sent updates the traveling course number of itself storage, it is ensured that the distance travelled number in car body controller
Effectively.Generally, the course number of combination instrument will not change greatly, even if changing the big use for also not interfering with user.This implementation
Example have effectively achieved the guarantor of driving mileage data by being compareed to backing up in realtime for combination instrument total kilometrage data with data
Shield.
Referring to Fig. 2, be the mileage backup method in second embodiment of the invention, including step S21~S27.
Step S21, the combination instrument reads the GES that ABS is sent, and calculates current according to the GES
Distance travelled number.
Step S22, the combination instrument updates the row stored in the combination instrument according to the current driving mileage number
Sail mileage number.
With the traveling of automobile, the distance travelled number in real-time update combination instrument is needed, so that user understands the row of automobile
Sail mileage.The GES that combination instrument is sent according to ABS (anti-lock braking system) calculates the course number of automobile current driving.Combination
The distance travelled of instrument calculates mileage by speed accumulation and is updated, the distance travelled number that will be stored in the combination instrument
The current driving mileage number is added in real time.
Step S23, the combination instrument and the car body controller send itself with 0.1S gap periods to other side
The distance travelled number of storage.
Step S24, the combination instrument receives the first currently transmitted traveling mileage number of the car body controller, and with from
The distance travelled number of body storage is compared.
Step S25, when the difference of distance travelled number of the described first traveling mileage number with being stored in the combination instrument is big
When the first preset value, the distance travelled number itself stored is replaced with the first traveling mileage number by the combination instrument.
Step S26, the car body controller receives the second currently transmitted distance travelled number of the combination instrument, and with from
The mileage number of body storage is compared.
Step S27, when the difference of mileage number of the second distance travelled number with being stored in the car body controller is more than
During the second preset value, the distance travelled number itself stored is replaced with the second distance travelled number by the car body controller.
The present embodiment calculates the course number of running car according to ABS GES, by the traveling stored in combination instrument
Mileage number carries out real-time update.Meanwhile, combination instrument periodically sends the traveling course number of itself storage to car body controller, with
Update the distance travelled number stored in car body controller.The distance travelled number stored in combination instrument and car body controller mutually compares
Compared with and storage, prevent from stealing the distance travelled number for changing automobile.
Fig. 3 and Fig. 4 are referred to, is the automobile in third embodiment of the invention, the automobile includes combination instrument and vehicle body
Controller, wherein,
As shown in figure 3, the combination instrument 100 includes:
First sending module 101, for periodically being sent in the traveling stored in combination instrument to the car audio controller
Number of passes;
First comparison module 102, for receive the car body controller it is currently transmitted first traveling mileage number, and with group
The distance travelled number stored in instrument is closed to be compared;
First replacement module 103, for when in the traveling stored in the described first traveling mileage number and the combination instrument
When the difference of number of passes is more than the first preset value, the distance travelled number itself stored is replaced with the first row by the combination instrument
Sail mileage number;
As shown in figure 4, the car body controller 200 includes:
Second sending module 201, for periodically being sent in the traveling stored in car body controller to the combination instrument
Number of passes;
Second comparison module 202, the second distance travelled number currently transmitted for receiving the combination instrument, and and vehicle body
The mileage number stored in controller is compared;
Second replacement module 203, for when the mileage stored in the second distance travelled number and the car body controller
When several differences is more than the second preset value, the distance travelled number itself stored is replaced with second row by the car body controller
Sail mileage number.
Further, the combination instrument 100 also includes:
Computing module 104, current driving is calculated for reading the GES that ABS is sent, and according to the GES
Mileage number;
Update module 105, for being updated according to the current driving mileage number in the traveling stored in the combination instrument
Number of passes.
Further, the combination instrument 100 and the car body controller 200 are respectively by CAN periodically to right
Side sends the distance travelled number of itself storage.
Further, first preset value and second preset value are 200km.
Further, first sending module 101 specifically for 0.1S gap periods to the Body Control
Device sends the distance travelled number of itself storage;
Second sending module 201 with 0.1S gap periods to the combination instrument specifically for periodically being sent
The distance travelled number of itself storage.
The combination instrument of automobile periodically sends the driving mileage data of itself storage, car body controller to car body controller
The mileage for reading the combination instrument driving mileage data sent and being stored with itself is compared, when comparative result is combination
When the distance travelled number of instrument storage is more than the distance travelled number of car body controller transmission more than the first preset value, car body controller
The distance travelled number itself stored is updated to the distance travelled number of combination instrument transmission.
Car body controller periodically sends the driving mileage data of itself storage to combination instrument, and combination instrument reads vehicle body
The driving mileage data of controller transmission is simultaneously compared with the driving mileage data of itself storage, when comparative result is car body controller
When the distance travelled of middle storage is more than the distance travelled number of combination instrument transmission more than the second preset value, combination instrument deposits itself
The distance travelled number of storage is updated to the distance travelled number of car body controller transmission.
The present embodiment is compared and backed up mutually by the distance travelled number between combination instrument and car body controller, and realization is prevented
Steal the function of changing vehicle driving mileage data.
Present invention also offers a kind of automobile, including memory, processor and store on a memory and can handle
The computer program run on device, it is characterised in that above-mentioned any one embodiment is realized during the computing device described program
In method the step of.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list for the executable instruction for realizing logic function, it may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress for combining these instruction execution systems, device or equipment and using
Put.
The more specifically example (non-exhaustive list) of computer-readable medium includes following:With one or more wirings
Electrical connection section (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, can even is that can be in the paper of printing described program thereon or other are suitable for computer-readable medium
Medium, because can then enter edlin, interpretation or if necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If, and in another embodiment, can be with well known in the art for example, realized with hardware
Any one of row technology or their combination are realized:With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of mileage backup method, applied in automobile, the automobile includes combination instrument and car body controller, and it is special
Levy and be, the mileage backup method includes:
The combination instrument and the car body controller periodically send the distance travelled number of itself storage to other side;
The combination instrument receives the first currently transmitted traveling mileage number of the car body controller, and the traveling stored with itself
Mileage number is compared;
When the difference of distance travelled number of the described first traveling mileage number with being stored in the combination instrument is more than the first preset value
When, the distance travelled number itself stored is replaced with the first traveling mileage number by the combination instrument;
The car body controller receives the second currently transmitted distance travelled number of the combination instrument, and the mileage stored with itself
Number is compared;
When the difference of the mileage number stored in the second distance travelled number and the car body controller is more than the second preset value,
The distance travelled number itself stored is replaced with the second distance travelled number by the car body controller.
2. mileage backup method as claimed in claim 1, it is characterised in that also including step:
The combination instrument reads the GES that ABS is sent, and calculates current driving mileage number according to the GES;
The combination instrument updates the distance travelled number stored in the combination instrument according to the current driving mileage number.
3. mileage backup method as claimed in claim 1, it is characterised in that the combination instrument and the Body Control
Device periodically sends the distance travelled number itself stored by CAN to other side respectively.
4. mileage backup method as claimed in claim 1, it is characterised in that first preset value and described second pre-
If value is 200km.
5. mileage backup method as claimed in claim 1, it is characterised in that the combination instrument and the Body Control
The step that device periodically sends the distance travelled number of itself storage to other side includes:
The combination instrument and the car body controller are sent with 0.1S gap periods to other side in the traveling of itself storage
Number of passes.
6. a kind of automobile, including combination instrument and car body controller, it is characterised in that
The combination instrument includes:
First sending module, for periodically sending the distance travelled stored in the combination instrument to the car audio controller
Number;
First comparison module, the first traveling mileage number currently transmitted for receiving the car body controller, and combined with described
The distance travelled number stored in instrument is compared;
First replacement module, for when the described first traveling mileage number and the difference of the distance travelled number stored in the combination instrument
When value is more than the first preset value, the distance travelled number itself stored is replaced with first distance travelled by the combination instrument
Number;
The car body controller includes:
Second sending module, for periodically sending the distance travelled stored in the car body controller to the combination instrument
Number;
Second comparison module, the second distance travelled number currently transmitted for receiving the combination instrument, and with the vehicle body control
The mileage number stored in device processed is compared;
Second replacement module, for when the difference of the mileage number stored in the second distance travelled number and the car body controller
During more than the second preset value, the distance travelled number itself stored is replaced with second distance travelled by the car body controller
Number.
7. automobile as claimed in claim 6, it is characterised in that the combination instrument also includes:
Computing module, current driving mileage number is calculated for reading the GES that ABS is sent, and according to the GES;
Update module, for updating the distance travelled number stored in the combination instrument according to the current driving mileage number.
8. automobile as claimed in claim 6, it is characterised in that the combination instrument and the car body controller pass through respectively
CAN periodically sends the distance travelled number of itself storage to other side.
9. automobile as claimed in claim 6, it is characterised in that first preset value and second preset value are
200km。
10. a kind of automobile, it is characterised in that including memory, processor and store on a memory and can be on a processor
The computer program of operation, it is characterised in that realized during the computing device described program as claim 1 to 5 is any one
Described in method the step of.
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CN201710465753.3A CN107202593A (en) | 2017-06-19 | 2017-06-19 | A kind of automobile and mileage backup method |
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CN107945312A (en) * | 2017-10-31 | 2018-04-20 | 深圳市轱辘车联数据技术有限公司 | A kind of vehicle checking method and its equipment |
CN108377193A (en) * | 2018-03-09 | 2018-08-07 | 北京汽车研究总院有限公司 | A kind of mileage backup method, device, vehicle and control device |
CN108986257A (en) * | 2018-07-31 | 2018-12-11 | 北京新能源汽车股份有限公司 | A kind of detection method that vehicular meter total kilometrage is distorted, device and automobile |
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CN110979007A (en) * | 2019-11-27 | 2020-04-10 | 江铃汽车股份有限公司 | Automobile mileage tamper-proofing method and system |
CN112277844A (en) * | 2020-09-29 | 2021-01-29 | 北汽福田汽车股份有限公司 | Mileage backup method and device and vehicle |
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CN114550339A (en) * | 2022-02-15 | 2022-05-27 | 奇瑞汽车股份有限公司 | Automobile total driving mileage backup system and method |
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CN107945312A (en) * | 2017-10-31 | 2018-04-20 | 深圳市轱辘车联数据技术有限公司 | A kind of vehicle checking method and its equipment |
CN108377193A (en) * | 2018-03-09 | 2018-08-07 | 北京汽车研究总院有限公司 | A kind of mileage backup method, device, vehicle and control device |
CN108377193B (en) * | 2018-03-09 | 2021-06-15 | 北京汽车集团越野车有限公司 | Mileage backup method and device, vehicle and control equipment |
CN108986257A (en) * | 2018-07-31 | 2018-12-11 | 北京新能源汽车股份有限公司 | A kind of detection method that vehicular meter total kilometrage is distorted, device and automobile |
CN110733443A (en) * | 2019-10-14 | 2020-01-31 | 广州维思车用部件有限公司 | Vehicle-based instrument data processing method and device |
CN110733443B (en) * | 2019-10-14 | 2021-08-27 | 广州维思车用部件有限公司 | Vehicle-based instrument data processing method and device |
CN110912964A (en) * | 2019-10-23 | 2020-03-24 | 中国第一汽车股份有限公司 | Vehicle mileage backup system, method, device, electronic equipment and medium |
CN110979007A (en) * | 2019-11-27 | 2020-04-10 | 江铃汽车股份有限公司 | Automobile mileage tamper-proofing method and system |
CN112277844A (en) * | 2020-09-29 | 2021-01-29 | 北汽福田汽车股份有限公司 | Mileage backup method and device and vehicle |
CN112923949A (en) * | 2021-01-27 | 2021-06-08 | 安徽天健环保车辆部件有限公司 | Automobile instrument mileage data processing system based on Internet of things |
CN114550339A (en) * | 2022-02-15 | 2022-05-27 | 奇瑞汽车股份有限公司 | Automobile total driving mileage backup system and method |
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