CN108415716A - A kind of remote management method for upgrading software of New-energy electric vehicle - Google Patents

A kind of remote management method for upgrading software of New-energy electric vehicle Download PDF

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Publication number
CN108415716A
CN108415716A CN201810196699.1A CN201810196699A CN108415716A CN 108415716 A CN108415716 A CN 108415716A CN 201810196699 A CN201810196699 A CN 201810196699A CN 108415716 A CN108415716 A CN 108415716A
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China
Prior art keywords
software
transmission data
clutch
remote transmission
upgrade file
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Pending
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CN201810196699.1A
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Chinese (zh)
Inventor
刘胜贵
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刘胜贵
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Application filed by 刘胜贵 filed Critical 刘胜贵
Priority to CN201810196699.1A priority Critical patent/CN108415716A/en
Publication of CN108415716A publication Critical patent/CN108415716A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/65Updates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/121Power-transmission from drive shaft to hub
    • B60B35/122Power-transmission from drive shaft to hub using gearings
    • B60B35/125Power-transmission from drive shaft to hub using gearings of the planetary type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing

Abstract

A kind of remote management method for upgrading software of New-energy electric vehicle of the present invention comprising following steps:Obtain the remote transmission data of the electronic control unit ECU of New-energy electric vehicle;In remote management software end, the processing including error checking and correction, interpolation, redundancy check is carried out to the remote transmission data of the New-energy electric vehicle, obtains pending remote transmission data slot;The remote transmission data met the requirements are handled by TPEG transport protocol expert group decoding algorithms;Data Restore Handles Technique is carried out to the pending remote transmission data slot;Analysis comparison is carried out to the remote transmission data obtained by data convert;According to the comparison result, software terminal to meeting promotion condition carries out updating operation, for updating operation by calling software upgrading function module, the software upgrading function module includes mainly being parsed to the original upgrade file, is used for the installation of the original upgrade file.

Description

A kind of remote management method for upgrading software of New-energy electric vehicle
Technical field
The invention belongs to technical field of new energy more particularly to a kind of remote management softwares of New-energy electric vehicle Upgrade method.
Background technology
Existing electric vehicle refers to driving wheels travel with motor using vehicle power supply as power, meets road traffic, peace The vehicle of full regulation requirements.It is started using the electricity stored in the battery.Use 12 or 24 sometimes when driving automobile Block battery then needs more sometimes.The composition of electric vehicle includes:The machineries such as electric drive and control system, driving force transmission System, the equipment etc. for completing assigned tasks.Electric drive and control system are the core of electric vehicle, and are different from interior The maximum difference of combustion engine automobile.Electric drive and control system are filled by the speed regulating control of drive motor, power supply and motor The compositions such as set.Other devices of electric vehicle are substantially identical as internal-combustion engines vehicle.
Between each wheel of traditional electric vehicle and steering mechanism and dependent is correspondingly arranged, therefore generally requires machine Tool transmission system, to realize the drive connection between each wheel and steering mechanism.Need following system simultaneously:ABS brakes system System;The steering wheel system of mechanical linkage.It is disclosed each wheel in the prior art and uses wheel hub motor and independent steering respectively The electric vehicle of system.I.e. each wheel is equipped with independent steering gear, independent power supply system.Therefore, this kind of electric vehicle Design does not need machine driven system, and does not need ABS brake system and the steering wheel system of mechanical linkage.This kind of electronic vapour Vehicle is commonly equipped with system below:Computer control system has the advantages that small, reliability is high, long lifespan and low cost; Integrated wheel system, possesses the steering of power and computer long-distance control.Because having used electronic technology, can arbitrarily change The position that steering wheel or so drives can also allow driver that steering wheel is moved to be suitble to the needs of country variant, towards rear, It is reverse to drive.There are two types of traditional software upgrading modes, and a kind of mode is that upgrade file is pushed to each net by internet Network terminal completes the software upgrading of terminal, and this upgrading mode exposes upgrade file on the internet, is easy to cause software sheet It experiences to network attack, and then causes a series of safety problems;Another way be by manual site's upgrading terminals software, this Kind mode is only suitable for the less application scenarios of terminal, and for the system with huge terminal quantity, manual site upgrades eventually End software will expend a large amount of manpower and materials, be unfavorable for the popularization of system.
Invention content
Present invention seek to address that the above problem of the prior art.Propose a kind of new energy that is intelligent, improving working efficiency The remote management method for upgrading software of source electric car.Technical scheme is as follows:
A kind of remote management method for upgrading software of New-energy electric vehicle comprising following steps:Obtain new energy electricity The remote transmission data of the electronic control unit ECU of electrical automobile;In remote management software end, to the New-energy electric vehicle Remote transmission data carry out the processing including error checking and correction, interpolation, redundancy check, obtain pending remote transmission data slice Section;The processing carried out to remote transmission data including error checking and correction, coding, redundancy check, decoding, obtains pending Upgrade file data slot, including:Error checking and correction is carried out to the remote transmission data, by institute's code encryption algorithm in RS and CRC cyclic redundancy check code algorithms are handled, the DMB transmission datas met the requirements;To it is described meet the requirements it is long-range Transmission data is handled by TPEG transport protocol expert group decoding algorithms, obtains pending remote transmission data slot;It is right The pending remote transmission data slot carries out Data Restore Handles Technique, obtains original long-range transmission data;Pass through number to described Analyzed according to the obtained remote transmission data of reduction, mainly by its production number and version number respectively with current line software document Production number and version number are compared;According to the comparison result, the software terminal to meeting promotion condition carries out updating operation, Updating operation includes mainly to the original upgrading text by calling software upgrading function module, the software upgrading function module Part is parsed, and the installation of the original upgrade file is used for;Wherein, the electric vehicle include chassis, vehicle shell, three The above rolling mechanism and electric drive axle, the chassis are set on vehicle shell, and the chassis includes a pair of with rolling mechanism one The multiple tracks for the different directions answered, the rolling mechanism are arranged in the track, and each track is retractable structure, and It can be extended out the chassis;The electric drive axle includes motor (2), planetary reduction gear, clutch (5) and differential mechanism (6), described The coaxial sequence of motor (2), planetary reduction gear and differential mechanism (6) arranges that the motor (2) is connected to planetary reduction gear, the row Star retarder is adjustable speed ratio structure, and the clutch (5) is set between planetary reduction gear and differential mechanism (6) for turning off Motor (2), the planetary reduction gear include primary planet retarder (3) and second planetary reducer (4), and wherein primary planet subtracts Fast device (3) one end is connected with motor (2), and the other end and second planetary reducer (4) gear of primary planet retarder (3) connect It connects, primary planet retarder (3) and second planetary reducer (4) constitute and speed ratio structure are adjusted, and by adjusting speed ratio, realize not With the output of torque.
Further, the primary planet retarder (3) include level-one sun gear, primary planet wheel, level-one ring gear and Primary planet carrier, wherein level-one ring gear are fixed on combined shell (1), rotor (21) connection of level-one sun gear and motor, Primary planet wheel is connect with primary planet carrier, and primary planet carrier is connect with the secondary solar gear of second planetary reducer (4);It is described Second planetary reducer (4) include secondary solar gear, secondary planet wheel, two level ring gear and secondary planet frame, wherein two level Gear ring is fixed on combined shell (1), and secondary planet wheel is connect with secondary planet frame, and secondary planet frame is defeated with clutch (5) Enter gear ring (51) connection.
Further, the clutch (5) includes input gear ring (51), clutch gear ring (52), clutch collar (53), shift fork (54), lead screw (55) and control motor (56), the level-one sun gear of rotor and primary planet retarder (3) connect firmly, as The planet carrier of the input terminal of power, primary planet retarder (3) connect realization with the secondary solar gear of second planetary reducer (4) The transmission of power, the planet carrier of second planetary reducer (4) are connect with the input gear ring (51) of clutch (5), and power is transferred to The input gear ring (51) of clutch (5), clutch (5) controls the break-make of power, when power communication, input gear ring (51) and clutch Gear ring (52) is connected by clutch collar (53), and the stroke realization that clutch (5) controls shift fork (54) by controlling motor (56) is moved The break-make of power, control motor (56) drive lead screw (55) to drive shift fork (54) mobile to control the position of clutch collar (53), engage Set (53) is fully connected with clutch gear ring (52), and when clutch collar (53) is fully disconnected with input gear ring (51), power disconnects;Engagement Set (53) is connect with clutch gear ring (52) part, and when clutch collar (53) is fully connected with input gear ring (51), power passes to difference Fast device (6).
Further, described that Data Restore Handles Technique is carried out to pending remote transmission data, original upgrade file is obtained, is wrapped Include step:
Acquisition is numbered to the pending remote transmission data slot and sum obtains, if pending upgrade file number Meet data convert condition according to segment sum and maximum number numerical value, then carries out Data Restore Handles Technique;
The data convert condition is:Upgrade file data slot sum=maximum number numerical value+1;
When it is described meet data convert condition when, by pending upgrade file data slot according to number since 0 according to Natural number carries out splicing and recovery successively from small to large, obtains original upgrade file;
Further, it is described production number and version number are carried out respectively with current operating file to remote transmission data compared with, Including:
If upgrade file and current runs software production number are inconsistent, software upgrading function module is exited;
If upgrade file is consistent with current runs software production number, version number's comparison is carried out;
If the version number of upgrade file is more than current runs software version number, software upgrade function;
If the version number of upgrade file is less than or equal to current runs software version number, software upgrading function is exited.
It advantages of the present invention and has the beneficial effect that:
The present invention provides a kind of remote management method for upgrading software of New-energy electric vehicle, pass through remote radio upgrade Mode to remote transmission data publication terminal carry out software upgrading, substitute traditional artificial field upgrade terminal software, save Manpower and materials are conducive to efficient terminal upgrade operation.In addition, in hardware components, the present invention is by motor, planetary reduction gear, difference Fast device is coaxially arranged, and integrated with clutch, and total integrated level is high, compact-sized, light-weight, saves space, installation side Just, transmission efficiency.Motor uses rotor for hollow novel structure, is convenient for the installation of semiaxis, realizes whole coaxial cloth It sets.The present invention uses planetary reduction gear, realizes the coaxially arranged of electric drive axle, compact-sized, occupies little space, stable drive; Two-stage planetary reduction gear is connected, and can be increased transmission ratio, be realized the output of large torque.Novel clutch is connected to retarder and differential It is simple in structure between device, it is easy for installation, it can realize automatic clutch, and the clutch time is short, the break-make of power can be fast implemented, it is full Work requirements of the sufficient automobile under different operating modes.The present invention is exactly based on the combination of above-mentioned indivisible software and hardware, just realizes The remote management software upgrading of New-energy electric vehicle.
Description of the drawings
Fig. 1 is that the present invention provides preferred embodiment remote transmission data upgrading flow chart.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, detailed Carefully describe.Described embodiment is only a part of the embodiment of the present invention.
The present invention solve above-mentioned technical problem technical solution be:
It is a kind of remote management method for upgrading software of New-energy electric vehicle as shown in Figure 1 comprising following steps:It obtains Take the remote transmission data of the electronic control unit ECU of New-energy electric vehicle;In remote management software end, to the new energy The remote transmission data of electric vehicle carry out the processing including error checking and correction, interpolation, redundancy check, obtain pending long-range Transmission data segment;Processing remote transmission data carried out including error checking and correction, coding, redundancy check, decoding, Pending upgrade file data slot is obtained, including:Error checking and correction is carried out to the remote transmission data, is compiled by institute's code in RS Code algorithm and CRC cyclic redundancy check code algorithms are handled, the DMB transmission datas met the requirements;The satisfaction is wanted The remote transmission data asked are handled by TPEG transport protocol expert group decoding algorithms, obtain pending remote transmission data Segment;Data Restore Handles Technique is carried out to the pending remote transmission data slot, obtains original long-range transmission data;To described The remote transmission data obtained by data convert are analyzed, mainly by its production number and version number respectively with current line software The production number of file and version number are compared;According to the comparison result, the software terminal to meeting promotion condition rises Grade operation, for updating operation by calling software upgrading function module, the software upgrading function module includes mainly to the original Beginning upgrade file is parsed, and the installation of the original upgrade file is used for;Wherein, the electric vehicle includes chassis, vehicle Shell, three or more rolling mechanisms and electric drive axle, the chassis are set on vehicle shell, and the chassis includes and roller press Multiple tracks of the one-to-one different directions of structure, the rolling mechanism are arranged in the track, and each track is that can stretch Shrinking structure, and can be extended out the chassis;The electric drive axle includes motor 2, planetary reduction gear, clutch 5 and differential mechanism 6, The coaxial sequence of the motor 2, planetary reduction gear and differential mechanism 6 arranges that the motor 2 is connected to planetary reduction gear, the planet Retarder is adjustable speed ratio structure, and the clutch 5 is set between planetary reduction gear and differential mechanism 6 for turning off motor 2, The planetary reduction gear includes primary planet retarder 3 and second planetary reducer 4, wherein 3 one end of primary planet retarder with Motor 2 is connected, and the other end of primary planet retarder 3 is connect with 4 gear of second planetary reducer, primary planet retarder 3 Adjustable speed ratio structure is constituted with second planetary reducer 4, and the output of different torques is realized by adjusting speed ratio.
Further, the primary planet retarder 3 includes level-one sun gear, primary planet wheel, level-one ring gear and one Grade planet carrier, wherein level-one ring gear are fixed on combined shell 1, and the rotor 21 of level-one sun gear and motor connects, level-one row Star-wheel is connect with primary planet carrier, and primary planet carrier is connect with the secondary solar gear of second planetary reducer 4;The two level row Star retarder 4 includes secondary solar gear, secondary planet wheel, two level ring gear and secondary planet frame, and wherein two level gear ring is fixed on On combined shell 1, secondary planet wheel is connect with secondary planet frame, and secondary planet frame is connect with the input gear ring 51 of clutch 5.
Further, the clutch 5 includes input gear ring 51, clutch gear ring 52, clutch collar 53, shift fork 54, lead screw 55 And control motor 56, the level-one sun gear of rotor and primary planet retarder 3 connects firmly, as the input terminal of power, level-one The planet carrier of planetary reduction gear 3 connect the transmission for realizing power with the secondary solar gear of second planetary reducer 4, and secondary planet subtracts The planet carrier of fast device 4 is connect with the input gear ring 51 of clutch 5, and power is transferred to the input gear ring 51 of clutch 5, clutch 5 The break-make for controlling power, when power communication, input gear ring 51 is connect with clutch gear ring 52 by clutch collar 53, and clutch 5 passes through The break-make that motor 56 controls the stroke realization power of shift fork 54 is controlled, control motor 56 drives lead screw 55 to drive the movement of shift fork 54 next The position of clutch collar 53 is controlled, clutch collar 53 is fully connected with clutch gear ring 52, and clutch collar 53 is fully disconnected with input gear ring 51 When, power disconnects;Clutch collar 53 is connect with 52 part of clutch gear ring, when clutch collar 53 is fully connected with input gear ring 51, power Pass to differential mechanism 6.
Further, described that Data Restore Handles Technique is carried out to pending remote transmission data, original upgrade file is obtained, is wrapped Include step:
Acquisition is numbered to the pending remote transmission data slot and sum obtains, if pending upgrade file number Meet data convert condition according to segment sum and maximum number numerical value, then carries out Data Restore Handles Technique;
The data convert condition is:Upgrade file data slot sum=maximum number numerical value+1;
When it is described meet data convert condition when, by pending upgrade file data slot according to number since 0 according to Natural number carries out splicing and recovery successively from small to large, obtains original upgrade file;
Further, it is described production number and version number are carried out respectively with current operating file to remote transmission data compared with, Including:
If upgrade file and current runs software production number are inconsistent, software upgrading function module is exited;
If upgrade file is consistent with current runs software production number, version number's comparison is carried out;
If the version number of upgrade file is more than current runs software version number, software upgrade function;
If the version number of upgrade file is less than or equal to current runs software version number, software upgrading function is exited.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be in the protection domain being defined in the patent claims.

Claims (5)

1. a kind of remote management method for upgrading software of New-energy electric vehicle, which is characterized in that include the following steps:It obtains new The remote transmission data of the electronic control unit ECU of energy electric vehicle;In remote management software end, to the New energy electric The remote transmission data of automobile carry out the processing including error checking and correction, interpolation, redundancy check, obtain pending remote transmission Data slot;The processing carried out to remote transmission data including error checking and correction, coding, redundancy check, decoding, obtains Pending upgrade file data slot, including:Error checking and correction is carried out to the remote transmission data, is calculated by institute's code coding in RS Method and CRC cyclic redundancy check code algorithms are handled, the DMB transmission datas met the requirements;It is met the requirements to described Remote transmission data are handled by TPEG transport protocol expert group decoding algorithms, obtain pending remote transmission data slice Section;Data Restore Handles Technique is carried out to the pending remote transmission data slot, obtains original long-range transmission data;To the warp The remote transmission data that data convert obtains are crossed to be analyzed, it is mainly that its production number and version number is literary with current line software respectively The production number of part and version number are compared;According to the comparison result, the software terminal to meeting promotion condition upgrades Operation, for updating operation by calling software upgrading function module, the software upgrading function module includes mainly to described original Upgrade file is parsed, and the installation of the original upgrade file is used for;Wherein, the electric vehicle includes chassis, vehicle shell Body, three or more rolling mechanisms and electric drive axle, the chassis are set on vehicle shell, and the chassis includes and rolling mechanism Multiple tracks of one-to-one different directions, the rolling mechanism are arranged in the track, and each track is scalable Structure, and can be extended out the chassis;The electric drive axle includes motor (2), planetary reduction gear, clutch (5) and differential mechanism (6), the coaxial sequence of the motor (2), planetary reduction gear and differential mechanism (6) arranges that the motor (2) connects with planetary reduction gear Logical, the planetary reduction gear is adjustable speed ratio structure, the clutch (5) be set to planetary reduction gear and differential mechanism (6) it Between for turning off motor (2), the planetary reduction gear includes primary planet retarder (3) and second planetary reducer (4), wherein Primary planet retarder (3) one end is connected with motor (2), the other end and two-stage planetary reduction of primary planet retarder (3) Device (4) gear connects, and primary planet retarder (3) and second planetary reducer (4) constitute and speed ratio structure are adjusted, and pass through adjusting Speed ratio realizes the output of different torques.
2. the remote management method for upgrading software of New-energy electric vehicle according to claim 1, which is characterized in that described Primary planet retarder (3) includes level-one sun gear, primary planet wheel, level-one ring gear and primary planet carrier, wherein in level-one Gear ring is fixed on combined shell (1), rotor (21) connection of level-one sun gear and motor, primary planet wheel and primary planet carrier Connection, primary planet carrier are connect with the secondary solar gear of second planetary reducer (4);Second planetary reducer (4) packet Secondary solar gear, secondary planet wheel, two level ring gear and secondary planet frame are included, wherein two level gear ring is fixed on combined shell (1) On, secondary planet wheel is connect with secondary planet frame, and secondary planet frame is connect with the input gear ring (51) of clutch (5).
3. the remote management method for upgrading software of New-energy electric vehicle according to claim 1, which is characterized in that described Clutch (5) includes input gear ring (51), clutch gear ring (52), clutch collar (53), shift fork (54), lead screw (55) and control motor (56), the level-one sun gear of rotor and primary planet retarder (3) connects firmly, and as the input terminal of power, primary planet subtracts The planet carrier of fast device (3) connect the transmission for realizing power, two-stage planetary reduction with the secondary solar gear of second planetary reducer (4) The planet carrier of device (4) is connect with the input gear ring (51) of clutch (5), and power is transferred to the input gear ring (51) of clutch (5), Clutch (5) controls the break-make of power, and when power communication, input gear ring (51) passes through clutch collar (53) even with clutch gear ring (52) It connects, the break-make that clutch (5) controls the stroke realization power of shift fork (54) by controlling motor (56), control motor (56) drives Lead screw (55) drives shift fork (54) mobile to control the position of clutch collar (53), and clutch collar (53) connects completely with clutch gear ring (52) It connects, when clutch collar (53) is fully disconnected with input gear ring (51), power disconnects;Clutch collar (53) partly connects with clutch gear ring (52) It connects, when clutch collar (53) is fully connected with input gear ring (51), power passes to differential mechanism (6).
4. the remote management method for upgrading software of New-energy electric vehicle according to claim 1, which is characterized in that described Data Restore Handles Technique is carried out to pending remote transmission data, obtains original upgrade file, including step:
Acquisition is numbered to the pending remote transmission data slot and sum obtains, if pending upgrade file data slice Section sum and maximum number numerical value meet data convert condition, then carry out Data Restore Handles Technique;
The data convert condition is:Upgrade file data slot sum=maximum number numerical value+1;
When it is described meet data convert condition when, by pending upgrade file data slot according to number since 0 according to nature Number carries out splicing and recovery successively from small to large, obtains original upgrade file.
5. the remote management method for upgrading software of New-energy electric vehicle according to claim 4, which is characterized in that described Compared with production number and version number being carried out to remote transmission data respectively with current operating file, including:
If upgrade file and current runs software production number are inconsistent, software upgrading function module is exited;
If upgrade file is consistent with current runs software production number, version number's comparison is carried out;
If the version number of upgrade file is more than current runs software version number, software upgrade function;
If the version number of upgrade file is less than or equal to current runs software version number, software upgrading function is exited.
CN201810196699.1A 2018-03-10 2018-03-10 A kind of remote management method for upgrading software of New-energy electric vehicle Pending CN108415716A (en)

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Application Number Priority Date Filing Date Title
CN201810196699.1A CN108415716A (en) 2018-03-10 2018-03-10 A kind of remote management method for upgrading software of New-energy electric vehicle

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