CN108068977A - The appliance circuit type structure of B-TRI Bus systems - Google Patents
The appliance circuit type structure of B-TRI Bus systems Download PDFInfo
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- CN108068977A CN108068977A CN201610994929.XA CN201610994929A CN108068977A CN 108068977 A CN108068977 A CN 108068977A CN 201610994929 A CN201610994929 A CN 201610994929A CN 108068977 A CN108068977 A CN 108068977A
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- 238000003860 storage Methods 0.000 claims abstract description 27
- 230000014759 maintenance of location Effects 0.000 claims abstract description 21
- 238000012937 correction Methods 0.000 claims description 57
- 230000003321 amplification Effects 0.000 claims description 30
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 30
- 230000003139 buffering effect Effects 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 14
- 230000006870 function Effects 0.000 abstract description 15
- 230000006399 behavior Effects 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 description 84
- 238000012360 testing method Methods 0.000 description 46
- 230000007958 sleep Effects 0.000 description 26
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- 238000003491 array Methods 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 10
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- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 238000013475 authorization Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
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- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005059 dormancy Effects 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
- B62M6/40—Rider propelled cycles with auxiliary electric motor
- B62M6/45—Control or actuating devices therefor
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Traffic Control Systems (AREA)
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Abstract
The present invention provides a kind of appliance circuit type structures of B TRI Bus systems, the appliance circuit plate includes instrument SOC chip, and instrument SOC chip includes CPU and the electric car carrier wave bus control module being electrically connected respectively with CPU, analog-digital converter module, display control module, symmetrical encryption/decryption module, identification number memory module；The identification number memory module (FLASH ID storages) is stored with unique id number corresponding with vehicle.The present invention has been greatly saved connecting line quantity, simplifies maintenance program, while the generation that electric accessory motor is promoted to seek unity of standard；The electric accessory motor produced using this programme, there is a chip with safe encryption function in the core of each accessory, chip internal has independent ID number, the special equipment only provided by producer could be changed, and effectively contain that the robber of electric accessory motor even vehicle robs behavior by thoroughly breaking off channels of stolen goods disposal.
Description
Technical field
The invention belongs to two-wheeled/three-wheeled electric vehicle field, it is related to a kind of novel electric vehicle electric-control system and its corresponding
Accessory structure.
Background technology
(two-wheeled/three-wheel) product function of electric car has tended to be perfect, and control technology for electric motor car is also progressively ripe.With electricity
The function gradual perfection of motor-car, intelligence step up, still：
1. three big electronic unit of electric car：Connecting line between electric machine speed regulation controller, instrument board, battery is more and more,
Up to ten is a plurality of at present, and length of cable is long, does not there is unified standard so far, and there are the separate standards of oneself in each producer and connect
Line mode, repair and parts exchange to electric car bring very big difficulty, while also result in the wasting of resources and security risk.
2. whole electric vehicle and its electric accessory motor are stolen, situation is serious, and it is after stolen accessory is easily renovated to trace it to its cause
Again sell and obtain sudden huge profits.
The content of the invention
Present applicant proposes the automatically controlled schemes of low cost, can be solved the above problems, are related to system：
Electric car three-wire system carrier wave 1. (B-TRI Bus) bus control system, electric car two-wire system carrier wave bus (B-PLC
Bus) control system；
2. appliance circuit plate and its SOC chip (model MD80F9234) with safe encryption function
3. the battery controller with safe encryption function and its SOC chip (model MD80F9222)
4. electric machine speed regulation controller and its SOC chip (model MD80F9211) with safe encryption function
5. electric accessory motor identifies encryption system and traceability management system
The electric car assembled with this programme, electric machine speed regulation controller, the on line between instrument board, battery can be reduced to two
Root power cord (i.e. two-wire bus system) B-PLC Bus or two add one with signal wire (three-wire bus system) B-TRI with power cord
Bus has been greatly saved connecting line quantity, simplifies maintenance program, while the generation that electric accessory motor is promoted to seek unity of standard.
Meanwhile the electric accessory motor produced using this programme, the core of each accessory have one there is safety to add
The chip of close function, chip internal have independent ID number, this ID number, by producer's burning, is only provided when dispatching from the factory by producer
Special equipment could change.When dispatching from the factory, each accessory of an electric car is belonged to, possesses identical id number, such as
Vehicle Identify Number is the appliance circuit plate of 9527 electric car, electric machine speed regulation controller, the id number of the chip inside battery controller
All it is identical.It cannot be used in the accessory of 9527 vehicle frame difference id numbers above 9527 vehicles.Or second-hand accessory returns
Genuine or back to special service station handle.During the repair of second-hand accessory, the special programming that is provided first by electric car manufacturer
Device connects accessory by bus, reads accessory encryption ID and is shown as Quick Response Code, and cell phone application scans the Quick Response Code on programmable device, and
The server of manufacturer is uploaded to, manufacturer personnel after sale know the information of this accessory and sale path first, then exclude to steal and rob article
Afterwards, one group of authorization code of cell phone application is handed down to, it is special that maintenance station or maintenance personal can rely on this authorization code to be provided using manufacturer
Programmable device changes the id number of the accessory, with vehicle match to be repaired.
Car owner just may be notified that in buying car to be robbed in case of stolen and can the information that vehicle is lost be offered manufacturer, if it find that dimension
The corresponding vehicle of accessory ID number repaiied, which occurs to steal, to be robbed, and manufacturer personnel can notify car owner's relevant information as foundation of reporting a case to the security authorities immediately.
It is internal that this chip is rooted in accessory (such as battery etc.), will if chip removed, it is necessary to depth disassembles accessory
The renovation or recycle value for making accessory are slumped.
In this way, it can thoroughly break off the channels of stolen goods disposal that electric car robber robs.
In view of this, present patent application mainly protects the instrument electricity applied to the B-TRI Bus systems to solve the above problems
Road type structure.
Present invention technical solution to be protected is：
A kind of electric vehicle instrument board structure of circuit, the appliance circuit plate include power supply circuit module, drive amplification module,
Filter module, RF interfaces are buffered, is further included
Instrument SOC chip (the instrument SOC chip in preferred this programme uses the SOC chip of model MD80F9234),
The instrument SOC chip includes CPU and is electrically connected respectively with CPU
Electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), display
Control module (DISP.), symmetrical encryption/decryption module (DES.), identification number memory module (FLASH ID storages), wireless key control
Molding block (RF KEY Controller), universal input and output module (GPIO) and general serial mouth mold block (UART)；The mark
Knowledge memory module (FLASH ID storages) is stored with unique id number corresponding with vehicle；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with binary phase modulation module (BPSK mod.) and three-wire system bus (B-TRI
Bus signal wire electrical connection)；
Buffer filter module respectively with binary phase demodulation module (BPSK Demod.) and three-wire system bus (B-TRI
Bus signal wire electrical connection)；
Analog-digital converter module (ADC) the electrical connection handle signal acquisition module of instrument SOC chip, universal input output mould
Block (GPIO), which is electrically connected, dials gear signal acquisition module 8, brake signal acquisition module 9 and electronic lock signal acquisition module 10；
RF interfaces are electrically connected with wireless key control module (RF KEY Controller)；
Further, GPS interface is further included, for being electrically connected GPS module；GPS interface and the general serial mouth mold block
(UART) it is electrically connected.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is three-wire system bus control system (B-TRI Bus) structure principle chart；
Fig. 2 is the appliance circuit plate and its SOC chip structure principle chart of three-wire system bus control system (B-TRI Bus)；
Fig. 3 is the battery controller and its SOC chip structure principle chart of three-wire system bus control system (B-TRI Bus)；
Fig. 4 is the electric machine speed regulation controller and its SOC chip structural principle of three-wire system bus control system (B-TRI Bus)
Figure；
Fig. 5 is two-wire system bus control system (B-PLC Bus) structure principle chart；
Fig. 6 is two-wire system bus control system (B-PLC Bus) appliance circuit plate and its structure principle chart of SOC chip；
Fig. 7 is the battery controller of two-wire system bus control system (B-PLC Bus) and the structure principle chart of SOC chip；
Fig. 8 is the electric machine speed regulation controller of two-wire system bus control system (B-PLC Bus) and the structural principle of SOC chip
Figure；
Fig. 9 replaces flow chart for electric accessory motor identification encryption and the repair of traceability management system accessory
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The scheme of three-wire system is introduced first.
As shown in Figure 1, electric car three-wire system bus control system (B-TRI Bus) structure, including appliance circuit plate 1, electricity
Machine speed setting controller 2 and battery controller 3；
Appliance circuit plate 1 is electrically connected handle signal acquisition module 7, dials gear signal acquisition module 8, brake signal acquisition
Module 9, electronic lock signal acquisition module 10；
Electric machine speed regulation controller 2 is electrically connected and controls motor 5, and electric machine speed regulation controller 2 is fixed in one with motor 5；
Battery controller 3 is electrically connected battery core 4, and battery controller 3 is fixed in one with battery core 4；
It should be noted that as described herein be fixed in one, such as battery controller 3 and battery core 4, refer to be presented to the user
Be in a component, two components are that be packaged in a shell in vivo, i.e., for a user, are seen
This component of the battery being known as.If two components separated, overall structure, at least shell meeting can be destroyed
It is destroyed, so as to it is apparent recognize the component and be disassembled decomposed.
Appliance circuit plate 1, electric machine speed regulation controller 2 and 3 three of battery controller are electrically connected by three-wire system bus
Connect, the three-wire system bus by positive and negative electrode power cord and a signal line group into；
This bus system is primary and secondary structure, and appliance circuit plate 1 is host, battery controller 3 and electric machine speed regulation controller 2
For slave；
In bus by bus line command be divided into control and inquiry two kinds, appliance circuit plate 1 receive from handle, dial gear,
The signal of the signal acquisition modules such as brake, electron key/lock, is converted into bus line command, through three-wire system bus (B-TRI Bus)
Signal wire is published to battery controller, electric machine speed regulation controller end；Appliance circuit plate 1 can send querying command simultaneously, through three
The battery information of signal wire inquiry battery controller of line bus (B-TRI Bus) and the working condition of electric machine speed regulation controller
With the information such as speed.
Battery controller 3 and electric machine speed regulation controller 2 receive the bus line command from appliance circuit plate 1, and according to order
Make various functions response.Three controllers of system have sleep mode, 3 states of Auto-Sensing Mode and operating mode respectively：
Sleep mode：When vehicle is closed, battery controller is in sleep mode, and battery controller control battery current limliting is defeated
Go out, maximum 100mA (500mA) electric current.At this moment appliance circuit plate is also in sleep mode simultaneously with electric machine speed regulation controller.When
So, system powers at this time.
Auto-Sensing Mode：When vehicle is opened, appliance circuit plate receives the unlatching letter of car key/lock signal acquisition module
Number, Auto-Sensing Mode is immediately entered, carries out System self-test, the signal wire issue self-test order through three-wire system bus (B-TRI Bus),
Battery controller is waken up simultaneously also enters Auto-Sensing Mode with electric machine speed regulation controller.Self-test order by plain code self-test command word and
Overstocked id number is added to form, battery controller and electric machine speed regulation controller are decrypted ID number after receiving, by the ID of decryption
With returning to response message after the ID of itself, response message be made of 2 parts, response plain code (matching mismatches) and plus
Close self-ID information.
If battery controller is transformed into operating mode if it find that ID number matching, cancel current limliting output.If it find that
Oneself ID number mismatches, then is transformed into sleep mode.
Electric machine speed regulation controller is then transformed into operating mode if it find that ID number matching.If it find that oneself ID number is not
Match somebody with somebody, be then transformed into sleep mode, not driving motor.
In view of the application environment of two-wheeled/three-wheeled electric vehicle, bus is exposed, it is easy to is interfered, so this is
System sets bus length to be 2 meters maximum, semiduplex mode, signal modulation mode BPSK, and bus signals communication speed is
100kbps.Carrier frequency point is 4MHz, 0~5V of level value (the positive and negative 5V of level value).
As shown in Fig. 2, in this electric car three-wire system bus control system, this application provides the appliance circuit plates 1
A kind of safe encryption function of band structure type：
Appliance circuit plate 1 including power supply circuit module, drive amplification module, buffering filter module, RF interfaces, also wraps
It includes
Instrument SOC chip (the instrument SOC chip in the present embodiment uses the SOC chip of model MD80F9234), it is described
Instrument SOC chip includes CPU and is respectively electrically connected with CPU
Electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), display
Control module (DISP.), symmetrical encryption/decryption module (DES.), identification number memory module (FLASH ID storages), wireless key control
Molding block (RF KEY Controller), universal input and output module (GPIO) and general serial mouth mold block (UART)；The mark
Knowledge memory module (FLASH ID storages) is stored with unique id number corresponding with vehicle；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with binary phase modulation module (BPSK mod.) and three-wire system bus (B-TRI
Bus signal wire electrical connection)；
Buffer filter module respectively with binary phase demodulation module (BPSK Demod.) and three-wire system bus (B-TRI
Bus signal wire electrical connection)；
Analog-digital converter module (ADC) the electrical connection handle signal acquisition module of instrument SOC chip, universal input output mould
Block (GPIO), which is electrically connected, dials gear signal acquisition module 8, brake signal acquisition module 9 and electronic lock signal acquisition module 10；
RF interfaces are electrically connected with wireless key control module (RF KEY Controller)；
Further, GPS interface is further included, for being electrically connected GPS module；GPS interface and the general serial mouth mold block
(UART) it is electrically connected；
Sleep mode：When electronic lock closing or RF car keies (wireless key) signal-off, appliance circuit plate 1 is in dormancy
Pattern.
Auto-Sensing Mode：Electronic lock switch or car key signalling can wake up appliance circuit plate 1, and make appliance circuit plate 1
In Auto-Sensing Mode.
System self-test process：The CPU of instrument SOC chip reads storage from identification number memory module (FLASH ID storages)
Unique id number corresponding with vehicle, be then encrypted by DES algoritic modules, encrypted data plus self-test order
Order by the forward error correction coding/decoding module (FEC) of electric car carrier wave bus control module (B-PLC BUS Controller) into
Row forward error correction coding is modulated using binary phase modulation module (BPSK mod.), by modulated signal output instrument
SOC chip is sent to by the drive amplification module of appliance circuit plate 1 on the signal wire of three-wire system bus (B-TRI Bus).
The battery controller or electric machine speed regulation controller of the bus other end are received after self-test order through three-wire system bus
The signal wire of (B-TRI Bus) beams back answer signal.Answer signal is sent back to appliance circuit plate 1 and enters by buffering filter module
The binary phase demodulation module (BPSK Demod.) of instrument SOC chip, it is demodulated after signal compiled using forward error correction
Decoder module (FEC) error correction decoding is reduced into reply data and the ID number encryption information of other side, and ID number encryption information passes through symmetrical
Id number is obtained after encryption/decryption module (DES.) decryption, CPU comes true by the verification to reply data and the comparison to id number
Recognize whether self-test is successful.
Operating mode：
If CPU confirms self-test success, appliance circuit plate 1 initially enters normal mode of operation.Instrument SOC chip utilizes
Analog-digital converter module (ADC) detects the variation of handle signal acquisition module resistance, universal input and output module (GPIO) in real time
The state of gear signal acquisition module 8, brake signal acquisition module 9 and electronic lock signal acquisition module 10 is dialled in monitoring in real time.By this
A little data are sent to CPU processing.Car key signal enters wireless key control module (RF KEY by RF interfaces simultaneously
Controller in), car key signal is also directed to handle in CPU.If GPS module is circumscribed with simultaneously, by chip
General serial mouth mold block (UART) carry out the reading of GPS coordinate information, and be stored in FLASH, form wheelpath.CPU
According to these state transformations to control command is formed, pass through electric car carrier wave bus control module (B-PLC BUS
Controller forward error correction coding/decoding module (FEC) forward error correction coding and binary phase modulation module (BPSK)
Mod. the drive amplification module being sent to after) modulating on appliance circuit plate 1 is sent to the signal of three-wire system bus (B-TRI Bus)
On line.
The timer TIMER that appliance circuit plate 1 is carried by instrument SOC chip is timed, periodically total by three-wire system
The signal wire issued state querying command of line (B-TRI Bus), battery controller 3 can be by status informations such as remaining capacities after receiving
It is beamed back by the signal wire of bus (B-TRI Bus)；Electric machine speed regulation controller 2 can pass through the status informations such as speed total after receiving
The signal wire of line (B-TRI Bus) is beamed back.These status signals are sent back on 1 mainboard of appliance circuit plate by bus by buffering
The binary phase demodulation module (BPSK Demod.) that filter module enters chip is demodulated, it is demodulated after signal again
Reply data is reduced by forward error correction coding/decoding module (FEC) error correction decoding, CPU passes through display after reply data is handled
Control module (DISP.), which is output on instrument board, to be shown.
As shown in figure 3, in this electric car three-wire system bus control system, this application provides the battery controllers 3
A kind of safe encryption function of band structure type：
Battery controller 3, including power supply circuit, relay, thermo-sensitive resistor, constantan-made resistances, metal-oxide-semiconductor, drive amplification electricity
Road and buffering filter circuit；
Further include battery management SOC chip, the battery management SOC chip in the present embodiment uses model MD80F9222
SOC chip, the battery management SOC chip includes CPU and is electrically connected respectively with CPU
It is electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), symmetrical
Encryption/decryption module (DES.), identification number memory module (FLASH ID storages), universal input and output module (GPIO) and impulse wave
Shape generator (PWM)；The identification number memory module (FLASH ID storages) is stored with corresponding with whole electric vehicle unique
Id number；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with the binary phase modulation module of battery management SOC chip (BPSK mod.) and control
The signal wire electrical connection of three-wire system bus (B-TRI Bus) outside device processed；
Buffer filter module outside SOC chip, respectively with the binary phase demodulation module of battery management SOC chip
The signal wire electrical connection of three-wire system bus (B-TRI Bus) outside (BPSK Demod.) and controller；
Thermo-sensitive resistor is electrically connected with the analog-digital converter module (ADC) in SOC chip；
For connecting battery battery core anode, the other end of constantan-made resistances is electrically connected relay for one end of constantan-made resistances
Input terminal, the input terminal of mos pipes, the analog-digital converter module (ADC) of power supply circuit and battery management SOC chip；
The output terminal of relay is electrically connected with the output terminal of metal-oxide-semiconductor on the power cord of three-wire system bus (B-TRI Bus)；
The control terminal of relay is connected in the universal input and output module (GPIO) of battery management SOC chip；
The control terminal of metal-oxide-semiconductor is connected on the pulse-pattern generator (PWM) of battery management SOC chip.
Sleep mode：When not receiving the self-test order that bus is sent, battery controller is in sleep mode.Power supply pipe at this time
SOC chip control cut-off is managed, while controls metal-oxide-semiconductor output current maximum 100mA (500mA)
Auto-Sensing Mode：Self-test command signal from appliance circuit plate 1 makes battery controller be in Auto-Sensing Mode.
Self-test command signal from appliance circuit plate 1 is dealt into electricity by the signal wire of three-wire system bus (B-TRI Bus)
Pool controller by buffering filtering into the binary phase demodulation module (BPSK Demod.) of power management SOC chip, passes through
The signal crossed after demodulation is reduced into order data and the ID number of other side using forward error correction coding/decoding module (FEC) error correction decoding
Encryption information, ID number encryption information obtain id number after being decrypted by symmetrical encryption/decryption module (DES.), power management SOC's
CPU reads the id number of oneself, and is confirmed whether self-test success by the verification to order data and to the comparison of id number.
If unsuccessful CPU controls transitions to sleep mode, while sends the acknowledgement command of self-test mistake and adding for oneself
Close id information.If success CPU controls transitions to operating mode, while sends the correct acknowledgement command of self-test and the encryption of oneself
Id information.Process is as follows：
The CPU of power management SOC chip reads oneself of storage from identification number memory module (FLASH ID storages)
Then unique id number corresponding with whole electric vehicle is encrypted by symmetrical encryption/decryption module (DES.), encrypted
Data are compiled plus acknowledgement command by the forward error correction of electric car carrier wave bus control module (B-PLC BUS Controller)
Decoder module (FEC) carries out forward error correction coding, modulates, will modulate using binary phase modulation module (BPSK mod.)
Signal output chip afterwards is sent to the letter of three-wire system bus (B-TRI Bus) by the drive amplification circuit of battery controller
On number line.
Operating mode：
If the CPU of power management SOC confirms self-test success, battery controller initially enters normal mode of operation.Electricity
The CPU of source control SOC closes metal-oxide-semiconductor by pulse-pattern generator (PWM) and is opened simultaneously with universal input and output module (GPIO)
It opens relay and normally powers for vehicle.The CPU of power management SOC detects temperature sensitive electricity in real time using analog-digital converter module (ADC)
The temperature of battery is noted down in the variation of resistance.Simultaneously using analog-digital converter module (ADC) to the sampling monitoring current value of constantan-made resistances
And voltage value, record and the electricity for calculating battery.By these data recordings inside FLASH.Appliance circuit plate by bus B-
TRI Bus issued state querying commands are dealt into the binary phase solution that battery controller enters chip by buffering filter module
Mode transfer block (BPSK Demod.), it is demodulated after signal using forward error correction coding/decoding module (FEC) error correction decoding reduce
Into command message, the CPU of power management SOC chooses the shapes such as such as battery current, battery temperature according to command message from FLASH
State information forms state response message, then passes through electric car carrier wave bus control module (B-PLC BUS Controller)
Forward error correction coding/decoding module (FEC) forward error correction coding and binary phase modulation module (BPSK mod.) modulation after,
It is sent to after the amplification of drive amplification circuit on the signal wire of three-wire system bus (B-TRI Bus).
As shown in figure 4, in this electric car three-wire system bus control system, this application provides electric machine speed regulation controls
A kind of structure type of the safe encryption function of band of device 2：
Electric machine speed regulation controller 2, including power supply circuit, MOS arrays, drive amplification circuit, buffering filter circuit；
Further include electric machine speed regulation SOC chip, the electric machine speed regulation SOC chip in the present embodiment uses model MD80F9211
SOC chip, the electric machine speed regulation SOC chip includes CPU and is electrically connected respectively with CPU
It is electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), symmetrical
Encryption/decryption module (DES.), identification number memory module (FLASH ID storages), universal input and output module (GPIO) and multichannel arteries and veins
Rush waveform generator (multi-channel PWM)；The identification number memory module (FLASH ID storages) is stored with corresponding with whole electric vehicle
Unique id number；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with the binary phase modulation module of electric machine speed regulation SOC chip (BPSK mod.) and control
The signal wire electrical connection of three-wire system bus (B-TRI Bus) outside device processed；
Buffer filter module outside electric machine speed regulation SOC chip, respectively with the binary phase solution of electric machine speed regulation SOC chip
The signal wire electrical connection of three-wire system bus (B-TRI Bus) outside mode transfer block (BPSK Demod.) and controller；
Multiplex pulse waveform generator (multi-channel PWM) is electrically connected with the control terminal of MOS arrays；
Hall sensor is electrically connected with the analog-digital converter module (ADC) inside electric machine speed regulation SOC chip；
Wheel hub motor is electrically connected with the output terminal of MOS arrays；
Power supply circuit is connected with the power cord of three-wire system bus (B-TRI Bus).
Sleep mode：When not receiving the self-test order that bus is sent, electric machine speed regulation controller is in sleep mode.It is electric at this time
Machine speed governing SOC chip control MOS arrays are closed.
Auto-Sensing Mode：Self-test command signal from appliance circuit plate makes electric machine speed regulation controller be in Auto-Sensing Mode.
Self-test command signal from appliance circuit plate is dealt into electric machine speed regulation controller by bus (B-TRI Bus), warp
The binary phase demodulation module (BPSK DEMOD.) that buffering filter circuit enters electric machine speed regulation SOC chip is crossed, after demodulated
Signal the ID number of order data and other side be reduced into using forward error correction coding/decoding module (FEC) error correction decoding encrypt letter
Breath, ID number encryption information obtain id number after being decrypted by DES modules, and the CPU of electric machine speed regulation SOC chip reads the ID number of oneself
Code, and with verification of the team to order data and the comparison to id number come be confirmed whether self-test success.
If unsuccessful CPU controls transitions to sleep mode, while sends the acknowledgement command of self-test mistake and adding for oneself
Close id information.If success CPU controls transitions to operating mode, while sends the correct acknowledgement command of self-test and the encryption of oneself
Id information.Process is as follows, and the CPU of electric machine speed regulation SOC chip reads the id number of oneself of storage from FLASH, then passes through
Symmetrical encryption/decryption module (DES.) is encrypted, and encrypted data pass through electric car carrier wave bus marco mould plus acknowledgement command
The forward error correction coding/decoding module (FEC) of block (B-PLC BUS Controller) carries out forward error correction coding, by BPSK
Modulation, by modulated signal output chip, bus is sent to by the drive amplification circuit on electric machine speed regulation controller mainboard
On the signal wire of B-TRI Bus.
Operating mode：
If the CPU of electric machine speed regulation SOC chip confirms self-test success, electric machine speed regulation controller initially enters normal work
Pattern.For appliance circuit plate by bus B-TRI Bus issued state querying commands, be dealt into electric machine speed regulation controller passes through buffering
Filter circuit enters the binary phase demodulation module (BPSK DEMOD.) of chip, it is demodulated after signal using forward direction
Error correction coding/decoding module (FEC) error correction decoding is reduced into command message, and the CPU of electric machine speed regulation SOC chip is controlled according to these orders
PWM module processed generates different control signals, controls MOS arrays on electric machine speed regulation controller mainboard, and then controls wheel hub motor
Speed.The analog-digital converter module (ADC) of electric machine speed regulation SOC chip acquisition Hall sensor or wheel hub motor three-phase in real time
Electric current, CPU carry out PID control (proportional integral derivative control).If the electric machine speed regulation controller of command message requirement inquiry
The CPU formation state response messages of status information, such as electronic vehicle speed etc., then electric machine speed regulation SOC chip, then by electronic
Forward error correction coding/decoding module (FEC) forward error correction of vehicle-mounted ripple bus control module (B-PLC BUS Controller) is compiled
The drive amplification circuit hair of electric machine speed regulation controller is sent to after code and binary phase modulation module (BPSK mod.) modulation
It is sent on bus B-TRI Bus.
Next two-wire system scheme, i.e. electric car two-wire system carrier wave bus (B-PLC Bus) control system are introduced；
As shown in figure 5, electric car two-wire system carrier wave bus (B-PLC Bus) Control system architecture, including appliance circuit plate
1st, electric machine speed regulation controller 2 and battery controller 3；
Appliance circuit plate 1 is electrically connected handle signal acquisition module 7, dials gear signal acquisition module 8, brake signal acquisition
Module 9, electronic lock signal acquisition module 10；
Electric machine speed regulation controller 2 is electrically connected and controls motor 5, and electric machine speed regulation controller 2 is fixed in one with motor 5；
Battery controller 3 is electrically connected battery core 4, and battery controller 3 is fixed in one with battery core 4；
Appliance circuit plate 1, electric machine speed regulation controller 2 and 3 three of battery controller are electrically connected by two-wire system bus
Connect, the two-wire system bus by positive and negative electrode source line group into；
This bus system is primary and secondary structure, and appliance circuit plate 1 is host, battery controller 3 and electric machine speed regulation controller 2
For slave；
In bus by bus line command be divided into control and inquiry two kinds, appliance circuit plate 1 receive from handle, dial gear,
The signal of the signal acquisition modules such as brake, electron key/lock, is converted into bus line command, logical through two-wire system bus (B-PLC Bus)
It crosses carrier wave and is published to battery controller, electric machine speed regulation controller end；Appliance circuit plate 1 can send querying command simultaneously, through two
Line bus (B-PLC Bus) inquires about the battery information of battery controller and the working condition of electric machine speed regulation controller by carrier wave
With the information such as speed.
Battery controller 3 and electric machine speed regulation controller 2 receive the bus line command from appliance circuit plate 1, and according to order
Make various functions response.Three controllers of system have sleep mode, 3 states of Auto-Sensing Mode and operating mode respectively：
Sleep mode：When vehicle is closed, battery controller is in sleep mode, and battery controller control battery current limliting is defeated
Go out, maximum 100mA (500mA) electric current.At this moment appliance circuit plate is also in sleep mode simultaneously with electric machine speed regulation controller.When
So, system powers at this time.
Auto-Sensing Mode：When vehicle is opened, appliance circuit plate receives the unlatching letter of car key/lock signal acquisition module
Number, Auto-Sensing Mode is immediately entered, carries out System self-test, self-test order is issued by carrier wave through two-wire system bus (B-PLC Bus),
Battery controller is waken up simultaneously also enters Auto-Sensing Mode with electric machine speed regulation controller.Self-test order by plain code self-test command word and
Overstocked id number is added to form, battery controller and electric machine speed regulation controller are decrypted ID number after receiving, by the ID of decryption
With returning to response message after the ID of itself, response message be made of 2 parts, response plain code (matching mismatches) and plus
Close self-ID information.
If battery controller is transformed into operating mode if it find that ID number matching, cancel current limliting output.If it find that
Oneself ID number mismatches, then is transformed into sleep mode.
Electric machine speed regulation controller is then transformed into operating mode if it find that ID number matching.If it find that oneself ID number is not
Match somebody with somebody, be then transformed into sleep mode, not driving motor.
In view of the application environment of two-wheeled/three-wheeled electric vehicle, bus is exposed, it is easy to is interfered, so this is
System sets bus length to be 2 meters maximum, semiduplex mode, signal modulation mode BPSK, and bus signals communication speed is
100kbps.Carrier frequency point is 4MHz, 0~5V of level value (the positive and negative 5V of level value).
As shown in fig. 6, in this electric car two-wire system carrier wave bus control system, this application provides the appliance circuits
A kind of structure type of the safe encryption function of band of plate 1：
Appliance circuit plate 1 including power supply circuit module, drive amplification module, buffering filter module, RF interfaces, also wraps
Include carrier wave termination power and
Instrument SOC chip (the instrument SOC chip in the present embodiment uses the SOC chip of model MD80F9234), it is described
Instrument SOC chip includes CPU and is respectively electrically connected with CPU
Electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), display
Control module (DISP.), symmetrical encryption/decryption module (DES.), identification number memory module (FLASH ID storages), wireless key control
Molding block (RF KEY Controller), universal input and output module (GPIO) and general serial mouth mold block (UART)；The mark
Knowledge memory module (FLASH ID storages) is stored with unique id number corresponding with vehicle；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module is electrically connected respectively with binary phase modulation module (BPSK mod.) and carrier wave termination power；
Buffering filter module is electrically connected respectively with binary phase demodulation module (BPSK Demod.) and carrier wave termination power
It connects；
Carrier wave termination power is also connected with two-wire system bus；
Analog-digital converter module (ADC) the electrical connection handle signal acquisition module of instrument SOC chip, universal input output mould
Block (GPIO), which is electrically connected, dials gear signal acquisition module 8, brake signal acquisition module 9 and electronic lock signal acquisition module 10；
RF interfaces are electrically connected with wireless key control module (RF KEY Controller)；
Further, GPS interface is further included, for being electrically connected GPS module；GPS interface and the general serial mouth mold block
(UART) it is electrically connected；
Sleep mode：When electronic lock closing or RF car keies (wireless key) signal-off, appliance circuit plate 1 is in dormancy
Pattern.
Auto-Sensing Mode：Electronic lock switch or car key signalling can wake up appliance circuit plate 1, and make appliance circuit plate 1
In Auto-Sensing Mode.
System self-test process：The CPU of instrument SOC chip reads storage from identification number memory module (FLASH ID storages)
Unique id number corresponding with vehicle, be then encrypted by DES algoritic modules, encrypted data plus self-test order
Order by the forward error correction coding/decoding module (FEC) of electric car carrier wave bus control module (B-PLC BUS Controller) into
Row forward error correction coding is modulated using binary phase modulation module (BPSK mod.), by modulated signal output instrument
SOC chip is mixed into carrier wave termination power by the drive amplification module of appliance circuit plate 1 and is sent to two-wire system bus (B-PLC
Bus on).
The battery controller or electric machine speed regulation controller of the bus other end are received after self-test order through two-wire system bus
(B-PLC Bus) beams back answer signal.The carrier wave termination power that answer signal is sent back on appliance circuit plate 1 is filtered using buffering
Ripple module enters the binary phase demodulation module (BPSK Demod.) of instrument SOC chip, it is demodulated after signal using
Forward error correction coding/decoding module (FEC) error correction decoding is reduced into reply data and the ID number encryption information of other side, ID number encryption letter
Breath obtains id number after being decrypted by symmetrical encryption/decryption module (DES.), CPU passes through to the verification of reply data and to id number
Comparison come be confirmed whether self-test success.
Operating mode：
If CPU confirms self-test success, appliance circuit plate 1 initially enters normal mode of operation.Instrument SOC chip utilizes
Analog-digital converter module (ADC) detects the variation of handle signal acquisition module resistance, universal input and output module (GPIO) in real time
The state of gear signal acquisition module 8, brake signal acquisition module 9 and electronic lock signal acquisition module 10 is dialled in monitoring in real time.By this
A little data are sent to CPU processing.Car key signal enters wireless key control module (RF KEY by RF interfaces simultaneously
Controller in), car key signal is also directed to handle in CPU.If GPS module is circumscribed with simultaneously, by chip
General serial mouth mold block (UART) carry out the reading of GPS coordinate information, and be stored in FLASH, form wheelpath.CPU
According to these state transformations to control command is formed, pass through electric car carrier wave bus control module (B-PLC BUS
Controller forward error correction coding/decoding module (FEC) forward error correction coding and binary phase modulation module (BPSK)
Mod. the drive amplification module that is sent on appliance circuit plate 1 is mixed into carrier wave termination power to be sent to two-wire system total after) modulating
On line (B-PLC Bus).
The timer TIMER that appliance circuit plate 1 is carried by instrument SOC chip is timed, periodically total by two-wire system
The status informations such as remaining capacity can be passed through bus by line (B-PLC Bus) issued state querying command, battery controller 3 after receiving
(B-PLC Bus) is beamed back；Electric machine speed regulation controller 2 can be sent out the status informations such as speed by bus (B-PLC Bus) after receiving
It returns.The carrier wave termination power that these status signals are sent back to by bus on 1 mainboard of appliance circuit plate filters mould using buffering
The binary phase demodulation module (BPSK Demod.) that block enters chip is demodulated, it is demodulated after signal using preceding
Be reduced into reply data to error correction coding/decoding module (FEC) error correction decoding, CPU reply data is handled after by display control mould
Block (DISP.), which is output on instrument board, to be shown.
As shown in fig. 7, in this electric car two-wire system carrier wave bus control system, this application provides battery controls
A kind of structure type of the safe encryption function of band of device 3：
Battery controller 3, including power supply circuit, relay, thermo-sensitive resistor, constantan-made resistances, metal-oxide-semiconductor, carrier wave coupling electricity
Road, drive amplification circuit and buffering filter circuit；
Further include battery management SOC chip, the battery management SOC chip in the present embodiment uses model MD80F9222
SOC chip, the battery management SOC chip includes CPU and is electrically connected respectively with CPU
It is electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), symmetrical
Encryption/decryption module (DES.), identification number memory module (FLASH ID storages), universal input and output module (GPIO) and impulse wave
Shape generator (PWM)；The identification number memory module (FLASH ID storages) is stored with corresponding with whole electric vehicle unique
Id number；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with the binary phase modulation module of battery management SOC chip (BPSK mod.) and carry
Ripple termination power is electrically connected；
Buffer filter module outside SOC chip, respectively with the binary phase demodulation module of battery management SOC chip
(BPSK Demod.) and carrier wave termination power are electrically connected；
Thermo-sensitive resistor is electrically connected with the analog-digital converter module (ADC) in SOC chip；
For connecting battery battery core anode, the other end of constantan-made resistances is electrically connected relay for one end of constantan-made resistances
Input terminal, the input terminal of mos pipes, the analog-digital converter module (ADC) of power supply circuit and battery management SOC chip；
The output terminal of relay is electrically connected carrier wave termination power with the output terminal of metal-oxide-semiconductor；
Carrier wave termination power is also connected with two-wire system bus (B-PLC Bus)；
The control terminal of relay is connected in the universal input and output module (GPIO) of battery management SOC chip；
The control terminal of metal-oxide-semiconductor is connected on the pulse-pattern generator (PWM) of battery management SOC chip.
Sleep mode：When not receiving the self-test order that bus is sent, battery controller is in sleep mode.Power supply pipe at this time
SOC chip control cut-off is managed, while controls metal-oxide-semiconductor output current maximum 100mA (500mA)
Auto-Sensing Mode：Self-test command signal from appliance circuit plate 1 makes battery controller be in Auto-Sensing Mode.
Self-test command signal from appliance circuit plate 1 is dealt into battery controller by two-wire system bus (B-PLC Bus)
Carrier wave termination power in, using buffering filtering into power management SOC chip binary phase demodulation module (BPSK
Demod.), signal after demodulated using forward error correction coding/decoding module (FEC) error correction decoding be reduced into order data and
The ID number encryption information of other side, ID number encryption information obtain id number, power supply after being decrypted by symmetrical encryption/decryption module (DES.)
The CPU of management SOC reads the id number of oneself, and is confirmed whether by the verification to order data and to the comparison of id number
Self-test success.
If unsuccessful CPU controls transitions to sleep mode, while sends the acknowledgement command of self-test mistake and adding for oneself
Close id information.If success CPU controls transitions to operating mode, while sends the correct acknowledgement command of self-test and the encryption of oneself
Id information.Process is as follows：
The CPU of power management SOC chip reads oneself of storage from identification number memory module (FLASH ID storages)
Then unique id number corresponding with whole electric vehicle is encrypted by symmetrical encryption/decryption module (DES.), encrypted
Data are compiled plus acknowledgement command by the forward error correction of electric car carrier wave bus control module (B-PLC BUS Controller)
Decoder module (FEC) carries out forward error correction coding, modulates, will modulate using binary phase modulation module (BPSK mod.)
Signal output chip afterwards, being mixed into carrier wave termination power by the drive amplification circuit of battery controller, to be sent to two-wire system total
On line (B-PLC Bus).
Operating mode：
If the CPU of power management SOC confirms self-test success, battery controller initially enters normal mode of operation.Electricity
The CPU of source control SOC closes metal-oxide-semiconductor by pulse-pattern generator (PWM) and is opened simultaneously with universal input and output module (GPIO)
It opens relay and normally powers for vehicle.The CPU of power management SOC detects temperature sensitive electricity in real time using analog-digital converter module (ADC)
The temperature of battery is noted down in the variation of resistance.Simultaneously using analog-digital converter module (ADC) to the sampling monitoring current value of constantan-made resistances
And voltage value, record and the electricity for calculating battery.By these data recordings inside FLASH.Appliance circuit plate passes through bus (B-
PLC Bus) issued state querying command, it is dealt into the carrier wave termination power of battery controller and enters using buffering filter module
The binary phase demodulation module (BPSK Demod.) of chip, it is demodulated after signal using forward error correction encoding and decoding mould
Block (FEC) error correction decoding is reduced into command message, and the CPU of power management SOC chooses such as electricity according to command message from FLASH
The status informations such as pond electric current, battery temperature form state response message, then pass through electric car carrier wave bus control module (B-
PLC BUS Controller) forward error correction coding/decoding module (FEC) forward error correction coding and binary phase modulation module
After (BPSK mod.) modulation, it is sent to after the amplification of drive amplification circuit in two-wire system bus (B-PLC Bus).
As shown in figure 8, in this electric car two-wire system carrier wave bus control system, this application provides the electric machine speed regulations
A kind of structure type of the safe encryption function of band of controller：
Electric machine speed regulation controller, including power supply circuit, MOS arrays, drive amplification circuit, buffering filter circuit and carrier wave
Termination power；
Further include electric machine speed regulation SOC chip, the electric machine speed regulation SOC chip in the present embodiment uses model MD80F9211
SOC chip, the electric machine speed regulation SOC chip includes CPU and is electrically connected respectively with CPU
It is electric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), symmetrical
Encryption/decryption module (DES.), identification number memory module (FLASH ID storages), universal input and output module (GPIO) and multichannel arteries and veins
Rush waveform generator (multi-channel PWM)；The identification number memory module (FLASH ID storages) is stored with corresponding with whole electric vehicle
Unique id number；
The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction encoding and decoding mould
Block (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward direction entangles
Miscode decoder module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK
Demod.) it is electrically connected；
Drive amplification module respectively with the binary phase modulation module of electric machine speed regulation SOC chip (BPSK mod.) and carry
Ripple termination power is electrically connected；
Buffer filter module outside electric machine speed regulation SOC chip, respectively with the binary phase solution of electric machine speed regulation SOC chip
Mode transfer block (BPSK Demod.) and the electrical connection of carrier wave termination power；
Multiplex pulse waveform generator (multi-channel PWM) is electrically connected with the control terminal of MOS arrays；
Hall sensor is electrically connected with the analog-digital converter module (ADC) inside electric machine speed regulation SOC chip；
Wheel hub motor is electrically connected with the output terminal of MOS arrays；
Power supply circuit is electrically connected with carrier wave termination power；
Carrier wave termination power is connected again with two-wire system bus (B-PLC Bus).
Sleep mode：When not receiving the self-test order that bus is sent, electric machine speed regulation controller is in sleep mode.It is electric at this time
Machine speed governing SOC chip control MOS arrays are closed.
Auto-Sensing Mode：Self-test command signal from appliance circuit plate makes electric machine speed regulation controller be in Auto-Sensing Mode.
Self-test command signal from appliance circuit plate is dealt into the load of electric machine speed regulation controller by bus (B-PLC Bus)
Ripple termination power enters the binary phase demodulation module (BPSK of electric machine speed regulation SOC chip using buffering filter circuit
DEMOD.), signal after demodulated using forward error correction coding/decoding module (FEC) error correction decoding be reduced into order data and
The ID number encryption information of other side, ID number encryption information obtain id number after being decrypted by DES modules, electric machine speed regulation SOC chip
CPU reads the id number of oneself, and is confirmed whether self-test success with verification of the team to order data and the comparison to id number.
If unsuccessful CPU controls transitions to sleep mode, while sends the acknowledgement command of self-test mistake and adding for oneself
Close id information.If success CPU controls transitions to operating mode, while sends the correct acknowledgement command of self-test and the encryption of oneself
Id information.Process is as follows, and the CPU of electric machine speed regulation SOC chip reads the id number of oneself of storage from FLASH, then passes through
Symmetrical encryption/decryption module (DES.) is encrypted, and encrypted data pass through electric car carrier wave bus marco mould plus acknowledgement command
The forward error correction coding/decoding module (FEC) of block (B-PLC BUS Controller) carries out forward error correction coding, by BPSK
Modulation, by modulated signal output chip, carrier wave is mixed by the drive amplification circuit on electric machine speed regulation controller mainboard
Termination power is sent in bus (B-PLC Bus).
Operating mode：
If the CPU of electric machine speed regulation SOC chip confirms self-test success, electric machine speed regulation controller initially enters normal work
Pattern.Appliance circuit plate is dealt into the carrier wave coupling of electric machine speed regulation controller by bus (B-PLC Bus) issued state querying command
Circuit is closed, the binary phase demodulation module (BPSK DEMOD.) of chip is entered using buffering filter circuit, after demodulated
Signal be reduced into command message using forward error correction coding/decoding module (FEC) error correction decoding, electric machine speed regulation SOC chip
CPU generates different control signals according to these order control PWM modules, controls MOS arrays on electric machine speed regulation controller mainboard,
And then control the speed of wheel hub motor.The analog-digital converter module (ADC) of electric machine speed regulation SOC chip gathers Hall sensor in real time
Or the electric current of wheel hub motor three-phase, CPU carry out PID control (proportional integral derivative control).If command message requirement inquiry
The CPU formation state responses of the status information of electric machine speed regulation controller, such as electronic vehicle speed etc., then electric machine speed regulation SOC chip
Then message passes through the forward error correction coding/decoding module of electric car carrier wave bus control module (B-PLC BUS Controller)
(FEC) it is sent to electric machine speed regulation controller after forward error correction coding and binary phase modulation module (BPSK mod.) modulation
Drive amplification circuit is mixed into carrier wave termination power, re-sends in bus (B-PLC Bus).
In addition, as shown in figure 9, present invention also provides a kind of electric accessory motor identification encryption and traceability management systems：
Due to the system electric car, appliance circuit plate, battery controller and electric machine speed regulation controller and vehicle frame ID number (i.e. with
The corresponding unique id number of whole electric vehicle) must be one-to-one, it is also what can not be used that the accessory of other vehicles, which is changed,
So repair and accessory, which exchange, can become the problem of new.System is managed so being specifically designed set accessory identification encryption equipment and having traced to the source
System.
The system is formed by with lower part：
The management information server 1. vehicle accessory is traced to the source
The managing mobile phone APP softwares 2. vehicle accessory is traced to the source
3. encrypt accessory Special programming
Operation principle：
For example the battery of electric vehicle that Vehicle Identify Number is 9527 is broken, it is necessary to replace, maintenace point has 2 kinds of schemes at present, and one is
The genuine battery more renewed, the other is the battery of the good other vehicle damage of repair and replacement.Passed through first with Special programming
B-TRI Bus or B-PLC Bus are connected on the battery for wishing to replace, and Special programming is by reading inside battery encryption chip
Encrypted id number, and generate Quick Response Code on the screen, the vehicle accessory that then maintenance mans are opened on mobile phone is traced to the source management
APP inputs carriage frame number to be repaired, and scans the two-dimensional code and upload to the vehicle accessory of manufacturer and trace to the source in management server, service
Device can complete two work automatically, be the source of this accessory of certification first, if had criminal record.If any reporting a case to the security authorities, record then notifies vehicle
It is main.If source is normal, the mapping for establishing new id number and Vehicle Identify Number in the database connects.And generate new id number
Authorization code is generated, is sent back to automatically in cell phone application, authorization code is input in Special programming by maintenance personal again, starts programming,
New id number is write, completes accessory matching.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (7)
- The appliance circuit type structure of 1.B-TRI Bus systems, it is characterised in that：The appliance circuit plate includes power supply circuit mould Block, drive amplification module, buffering filter module, RF interfaces, further includeInstrument SOC chip, the instrument SOC chip include CPU and are electrically connected respectively with CPUElectric car carrier wave bus control module (B-PLC BUS Controller), analog-digital converter module (ADC), display control Module (DISP.), symmetrical encryption/decryption module (DES.), identification number memory module (FLASH ID storages), wireless key control mould Block (RF KEY Controller), universal input and output module (GPIO) and general serial mouth mold block (UART)；The identification number Memory module (FLASH ID storages) is stored with unique id number corresponding with vehicle；The electric car carrier wave bus control module (B-PLC BUS Controller) includes forward error correction coding/decoding module (FEC), binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.), forward error correction Coding/decoding module (FEC) respectively with binary phase modulation module (BPSK mod.) and binary phase demodulation module (BPSK Demod.) it is electrically connected.
- 2. electric vehicle instrument board structure of circuit according to claim 1, it is characterised in that：The instrument SOC chip uses The SOC chip of model MD80F9234.
- 3. electric vehicle instrument board structure of circuit according to claim 1, it is characterised in that：Drive amplification module is respectively with two The signal wire of system phase modulation module (BPSK mod.) and three-wire system bus is electrically connected；Buffering filter module is electrically connected respectively with binary phase demodulation module (BPSK Demod.) and the signal wire of three-wire system bus It connects.
- 4. electric vehicle instrument board structure of circuit according to claim 1, it is characterised in that：The modulus of instrument SOC chip turns Parallel operation module (ADC) is electrically connected handle signal acquisition module, and universal input and output module (GPIO), which is electrically connected, dials gear signal Acquisition module, brake signal acquisition module and electronic lock signal acquisition module.
- 5. electric vehicle instrument board structure of circuit according to claim 1, it is characterised in that：RF interfaces are controlled with wireless key Module (RF KEY Controller) is electrically connected.
- 6. electric vehicle instrument board structure of circuit according to claim 1, it is characterised in that：GPS interface is further included, for electricity Connect GPS module；GPS interface is electrically connected with general serial mouth mold block (UART).
- 7. a kind of electric car, using the appliance circuit grillage of the B-TRI Bus systems as described in claim 1 to 6 any one Structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610994929.XA CN108068977A (en) | 2016-11-11 | 2016-11-11 | The appliance circuit type structure of B-TRI Bus systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610994929.XA CN108068977A (en) | 2016-11-11 | 2016-11-11 | The appliance circuit type structure of B-TRI Bus systems |
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| CN108068977A true CN108068977A (en) | 2018-05-25 |
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