CN108082005A - The vehicle integrated control method and system of a kind of pure electric coach - Google Patents
The vehicle integrated control method and system of a kind of pure electric coach Download PDFInfo
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- CN108082005A CN108082005A CN201711202214.7A CN201711202214A CN108082005A CN 108082005 A CN108082005 A CN 108082005A CN 201711202214 A CN201711202214 A CN 201711202214A CN 108082005 A CN108082005 A CN 108082005A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
A kind of vehicle integrated control method of pure electric coach, including：S101, microprocessor receive the charging signals that digital signal input module is sent and judge whether to need outer charge；S102, if it is not, microprocessor receive successively digital signal input module transmission START grades of signals of ON grades of signals of ignition switch and ignition switch, judge whether to need to low tension on vehicle and high-voltage electricity successively；After S103, upper complete high-voltage electricity, according to the operating status of the driving intention of driver and vehicle, the target gear of full-vehicle control pattern and gearbox is calculated by microprocessor, and is sent to speed-changer executing mechanism and drive system executing agency, performs corresponding whole drive mode.The vehicle integrated control method of pure electric coach of the present invention is integrated with whole automobile control function and gearbox control function, and integrated level is high, improves real-time response time and the overall stability of control system.Invention also provides a kind of motor vehicle integrated control system for whole vehicle of pure electric coach.
Description
Technical field
The invention mainly relates to the technical field of automobile, the integrated control method of more particularly to a kind of pure electric coach and it is
System.
Background technology
New-energy automobile is energy crisis and the effective solution route of problem of environmental pollution, as country is to new-energy automobile
Support on policy and new-energy automobile application and popularization, pure electric vehicle integral new-energy passenger have become car development main hair
Open up direction.As the core key part of pure electric coach, control system is the embodiment of the core competitiveness of car vehicle factor,
Performance and cost restrict the development of vehicle factor, and whole-control system and gearbox control system are split up into two control systems
System, whole-control system control vehicle operation, gearbox control system control automatic gear-box operation, the two pass through CAN network
Connection, based on vehicle CAN communication protocol realization data exchange.
In the prior art, the gearbox control system of pure electric coach and whole-control system by vehicle CAN come real
Existing data exchange, in the driving intention response process to driver, control signal needs transfer in CAN communication, during response
Between it is elongated, realtime control can die down, and reduce vehicle dynamic property.
The content of the invention
Based on this, it is an object of the invention to provide a kind of integrated control methods of the pure electric coach with high real-time
And system.
A kind of vehicle integrated control method of pure electric coach, the described method includes：
S101, microprocessor receive the charging signals that digital signal input module is sent, and judge whether to need outer charge；
If S102, need not charge outside, the microprocessor receives the point that the digital signal input module is sent successively
Fire switch START grades of signals of ON grades of signals and ignition switch, judge whether to need to low tension on vehicle and high-voltage electricity successively；
After S103, upper complete high-voltage electricity, according to the operating status of the driving intention of driver and vehicle, by described micro-
The target gear of full-vehicle control pattern and gearbox is calculated in processor, and passes through digital signal output modules and vehicle CAN
Module controls speed-changer executing mechanism and the drive system executing agency in pure electric coach, performs corresponding vehicle driving mould
Formula.
Compared with prior art, it is the advantages of the vehicle integrated control method of heretofore described pure electric coach：
The vehicle integrated control method of the pure electric coach is integrated with whole automobile control function and gearbox control function, and integrated level is high,
Improve real-time response time and the overall stability of control system.
In the vehicle integrated control method of above-mentioned pure electric coach, the specific steps of the step S103 include：
S1031, after vehicle enters normal driving mode, the microprocessor confirms the target gear of demand, and to
Gearbox sends control instruction；
S1032, the microprocessor judge whether current gear and target gear are consistent；
If S1033, current gear are consistent with target gear, gearbox keeps existing gear, does not enter shift procedure；
If S1034, current gear and target gear are inconsistent, after gearbox receives control instruction, target shift is entered
Position, and current gear information is fed back into the microprocessor.
It is further comprising the steps of after the step S101 in the vehicle integrated control method of above-mentioned pure electric coach：
If S1011, there are outer charging signals, outer charge mode is entered, by charger to vehicle power battery charging.
In the vehicle integrated control method of above-mentioned pure electric coach, the specific steps of the step S102 include：
If S1021, without the outer charging signals, the microprocessor receives the digital signal input module and sends
The ignition switch ON grades of signals judge whether to low tension on vehicle；
If S1022, there are the ignition switch ON grades of signals, low pressure power mode is entered, is given by low tension battery
Low tension on vehicle low-voltage electric system；
After S1023, upper complete low tension, the point that the microprocessor is sent according to the digital signal input module
Fire START grades of signals of switch judge whether to high-voltage electricity on vehicle；
If S1024, there are the ignition switch START grades of signals, high pressure power mode is entered, is moved by the vehicle
Power battery is to high-voltage electricity in vehicle high-voltage electric system.
A kind of motor vehicle integrated control system for whole vehicle of pure electric coach, including microprocessor, power module, analog signal input mould
Block, digital signal input module, digital signal output modules and vehicle CAN module are equipped with microprocessor in the microprocessor
Device transceiver module, judgment module and data processing module are equipped with digital signal in the digital signal input module and send mould
Block is equipped with digital signal reception module and digital signal execution module, the vehicle CAN moulds in the digital signal output modules
CAN transceiver modules and CAN execution modules are equipped in block, wherein：
The microprocessor transceiver module judges whether that needs are outer for receiving charging signals and passing through the judgment module
It charges；
The microprocessor transceiver module is used for when that need not charge outside, receives the digital signal sending module successively
START grades of signals of ON grades of signals of ignition switch and ignition switch of transmission, and pass through the judgment module and judge whether to need successively
It will be to low tension on vehicle and high-voltage electricity；
The microprocessor transceiver module is used for after upper complete high-voltage electricity, receives the driving intention and vehicle of driver
Operating status, the target gear of full-vehicle control pattern and gearbox is calculated by the data processing module, and passes through
The microprocessor transceiver module sends control instruction to the digital signal reception module and the CAN transceiver modules, and leads to
Cross the digital signal execution module and the CAN execution modules drive the step electric machine in pure electric coach control relay,
Motor of putting into gear controls relay and electric machine controller to perform corresponding whole drive mode.
Simulation letter is equipped in the motor vehicle integrated control system for whole vehicle of above-mentioned pure electric coach, in the analog signal input module
Number sending module is additionally provided with holding module in the digital signal output modules, wherein：
The microprocessor transceiver module is used for after vehicle enters normal driving mode, and it is true to receive electronic gear signal
Recognize the target gear of demand, and control instruction is sent to gearbox；
The microprocessor transceiver module be used to receiving the gear selection position signal that the analog signal sending module sends and
File location signal identification current gear is hung, and judges whether current gear is consistent with target gear by the judgment module；
It is described holding module be used for when current gear is consistent with target gear, keep the existing gear of gearbox, not into
Enter shift procedure；
The digital signal reception module is used in current gear and inconsistent target gear, receives the microprocessor
The control instruction that transceiver module is sent makes gearbox enter target gear, and passes through by the digital signal execution module
Current gear information is sent to micro- place by gear selection position signal and extension file location signal by the analog signal sending module
Manage device transceiver module.
In the motor vehicle integrated control system for whole vehicle of above-mentioned pure electric coach, the CAN transceiver modules are used to receive micro- place
The outer charging signals that device transceiver module is sent are managed, and the charging is passed through into outer charge mode by the CAN execution modules
Machine is to vehicle power battery charging.
In the motor vehicle integrated control system for whole vehicle of above-mentioned pure electric coach, the microprocessor transceiver module is used for not outer
ON grades of signals of ignition switch are received during charging signals, and are judged whether by the judgment module to low tension on vehicle；
The CAN transceiver modules are used to receive ON grades of signals of ignition switch that the microprocessor transceiver module is sent, and lead to
The CAN execution modules are crossed into upper low pressure power mode, by 24V low tension batteries to low pressure on vehicle low-voltage electric system
Electricity；
The microprocessor transceiver module is used to receive START grades of signals of ignition switch after upper complete low tension, and leads to
The judgment module is crossed to judge whether to high-voltage electricity on vehicle；
The CAN transceiver modules are used to receive START grades of signals of ignition switch that the microprocessor transceiver module is sent,
By the CAN execution modules into upper high pressure power mode, by vehicle power battery to high pressure in vehicle high-voltage electric system
Electricity.
Description of the drawings
Fig. 1 is full-vehicle control side described in the vehicle integrated control method of pure electric coach described in one embodiment of the invention
The flow chart of method；
Fig. 2 be one embodiment of the invention described in pure electric coach vehicle integrated control method in step S103 it is specific
The flow chart of step；
Fig. 3 is the schematic diagram of the vehicle integrated control unit of pure electric coach in one embodiment of the invention；
Fig. 4 is the schematic diagram of the motor vehicle integrated control system for whole vehicle of pure electric coach in one embodiment of the invention；
Fig. 5 is the fundamental diagram of the pure electric coach of the application motor vehicle integrated control system for whole vehicle.
Following specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give several embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is made to the disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
It is referring to Fig. 1, whole described in vehicle integrated control method for pure electric coach described in one embodiment of the invention
The flow chart of vehicle control method, comprises the following steps：
S101, microprocessor receive the charging signals that digital signal input module is sent, and judge whether to need outer charge；
If S102, need not charge outside, the microprocessor receives the point that the digital signal input module is sent successively
Fire switch START grades of signals of ON grades of signals and ignition switch, judge whether to need to low tension on vehicle and high-voltage electricity successively；
After S103, upper complete high-voltage electricity, according to the operating status of the driving intention of driver and vehicle, by described micro-
The target gear of full-vehicle control pattern and gearbox is calculated in processor, and passes through digital signal output modules and vehicle CAN
Module controls speed-changer executing mechanism and the drive system executing agency in pure electric coach, performs corresponding vehicle driving mould
Formula, the whole drive mode include starting mode, normal driving mode, braking mode, car slipping pattern, limping pattern and reversing
Pattern.
Compared with prior art, the vehicle integrated control method of above-mentioned pure electric coach, due to being integrated with full-vehicle control work(
Can be with gearbox control function, integrated level is high, improves real-time response time and the overall stability of control system.
Referring to Fig. 2, it is step in the vehicle integrated control method of pure electric coach described in one embodiment of the invention
The specific steps of S103：
S1031, after vehicle enters normal drive pattern, according to actual condition and the driving intention of driver, sentence
Disconnected target gear, and the control instruction of automatic gear-box target gear is sent, to realize the requirement of the dynamic property of vehicle；
S1032, whole-control system are according to choosing/extension of choosing/position sensor feedback of putting into gear of analog signal input module
The position of executing agency is kept off, identifies current gear, and is compared with target gear, if current gear is consistent with target gear,
It does not enter gearshift program then, if current gear and target gear are inconsistent, then enters gearshift program；
S1033, enter gearshift program after, whole-control system temporarily takes over the control of motor, is controlled by vehicle CAN
Its output torque is zero, controls the actuating mechanism controls relay of putting into gear of digital signal output modules, is carried out out of supply；
S1034, it is out of supply after the completion of, whole-control system control digital signal output modules gear actuator control after
Electric appliance carries out gear selecting, into the gear selection position of target gear；
After the completion of S1035, gear selecting, whole-control system temporarily takes over the control of motor, its output is controlled by vehicle CAN
Rotating speed, and the speed signal for passing through motor speed that vehicle CAN inputs and analog signal input module is compared, and differentiates engagement
The speed difference of gear whether≤50rpm, less than or equal to then entering program of putting into gear, not less than then carrying out carrying out motor speed control
System, until speed difference≤50rpm, enters back into program of putting into gear；
After the completion of S1036, speed discrepancy matching, whole-control system controls the executing agency of putting into gear of digital signal output modules
Relay is controlled, extension shelves is carried out, is linked into target gear；
S1037, whole-control system are according to choosing/extension of choosing/position sensor feedback of putting into gear of analog signal input module
The position of executing agency is kept off, identifies and feeds back current gear.
Referring to Fig. 1, in the present embodiment, it is further comprising the steps of after the step S101：
If S1011, there are outer charging signals, outer charge mode is entered, by charger to vehicle power battery charging.
Referring to Fig. 2, in the present embodiment, the specific steps of the step S102 include：
If S1021, without the outer charging signals, the microprocessor receives the digital signal input module and sends
The ignition switch ON grades of signals judge whether to low tension on vehicle；
If S1022, there are the ignition switch ON grades of signals, low pressure power mode is entered, is given by low tension battery
Low tension on vehicle low-voltage electric system；
After S1023, upper complete low tension, the point that the microprocessor is sent according to the digital signal input module
Fire START grades of signals of switch judge whether to high-voltage electricity on vehicle；
If S1024, there are the ignition switch START grades of signals, high pressure power mode is entered, is moved by the vehicle
Power battery is to high-voltage electricity in vehicle high-voltage electric system.
Referring to Fig. 3, be the vehicle integrated control unit of the pure electric coach in one embodiment of the invention, the vehicle collection
Include microprocessor, power module, vehicle CAN module, digital signal output modules, analog signal input module into control unit
And digital signal input module, wherein：
The microprocessor is the nucleus module of entire integrated control unit, the power module, CAN module, number
Signal output module, analog signal input module, the peripheral interface circuit that digital signal input module is processor module；
The power module is connected by vehicle battery main switch with 24V low tension battery anodes, minus earth, by 24V
Voltage is converted into the 5V voltages needed for integrated control unit；
The vehicle CAN module is connected by vehicle CAN network with all CAN nodes, and the CAN nodes include motor control
The voltages conversions such as device processed, battery management system, charger, DC/DC, intelligence instrument, etc. other CAN nodes, Suo Youjie on vehicles
Point carries out data exchange by vehicle communications protocol；
The digital signal output modules pass through overall wire sheaves and outer charge relay, total positive relay, step electric machine control
Relay processed, motor of putting into gear control relay, cooling fan relay, cooling water pump relay are connected, and are each responsible for receiving area
Manage each control signal of device module output, driving vehicle respectively controls relay, the outer charge relay, total positive relay,
Step electric machine control relay, motor of putting into gear control relay, cooling fan relay, cooling water pump relay anode respectively at
24V positive poles are connected, minus earth；
The analog signal input module by overall wire sheaves and accelerator pedal signal, brake pedal signal, tach signal,
Vacuum pump pressure signal, gear selection position signal, position signal of putting into gear are connected, and are respectively used to acquisition accelerator pedal signal, braking is stepped on
Partitioned signal, vehicle tach signal, vacuum pump pressure signal, gear selection mechanism position signal, mechanism position of putting into gear signal；
The digital signal input module passes through overall wire sheaves and START grades of ON grades of signals of ignition switch, ignition switch letters
Number, electronic gear device signal, parking brake signal, charging signals, be respectively used to acquisition ignition switch ON grades of signals, ignition switches
START grades of signals, electronic gear device signal, parking brake signal, charging signals.
It please refers to Fig.1 and Fig. 4, Fig. 4 is the motor vehicle integrated control system for whole vehicle of the pure electric coach in one embodiment of the invention, institute
The motor vehicle integrated control system for whole vehicle of pure electric coach is stated, including microprocessor, power module, analog signal input module, number letter
Number input module, digital signal output modules and vehicle CAN module are equipped with microprocessor in the microprocessor and receive and dispatch mould
Block, judgment module and data processing module are equipped with digital signal sending module, the number in the digital signal input module
Digital signal reception module and digital signal execution module are equipped in word signal output module, is equipped in the vehicle CAN module
CAN transceiver modules and CAN execution modules, wherein：
The microprocessor transceiver module judges whether that needs are outer for receiving charging signals and passing through the judgment module
It charges；
The microprocessor transceiver module is used for when that need not charge outside, receives the digital signal sending module successively
START grades of signals of ON grades of signals of ignition switch and ignition switch of transmission, and pass through the judgment module and judge whether to need successively
It will be to low tension on vehicle and high-voltage electricity；
The microprocessor transceiver module is used for after upper complete high-voltage electricity, receives the driving intention and vehicle of driver
Operating status, the target gear of full-vehicle control pattern and gearbox is calculated by the data processing module, and passes through
The microprocessor transceiver module sends control instruction to the digital signal reception module and the CAN transceiver modules, and leads to
Cross the digital signal execution module and the CAN execution modules drive the step electric machine in pure electric coach control relay,
Motor of putting into gear controls relay and electric machine controller to perform corresponding whole drive mode.
In the present embodiment, by a motor vehicle integrated control system for whole vehicle, full-vehicle control and the change of pure electric coach are realized
Fast case control, controls gearbox without being in addition separately provided a gearbox control.
In the present embodiment, analog signal sending module, the digital signal are equipped in the analog signal input module
Holding module is additionally provided in output module, wherein：
The microprocessor transceiver module is used for after vehicle enters normal driving mode, and it is true to receive electronic gear signal
Recognize the target gear of demand, and control instruction is sent to gearbox；
The microprocessor transceiver module be used to receiving the gear selection position signal that the analog signal sending module sends and
File location signal identification current gear is hung, and judges whether current gear is consistent with target gear by the judgment module；
It is described holding module be used for when current gear is consistent with target gear, keep the existing gear of gearbox, not into
Enter shift procedure；
The digital signal reception module is used in current gear and inconsistent target gear, receives the microprocessor
The control instruction that transceiver module is sent makes gearbox enter target gear, and passes through by the digital signal execution module
Current gear information is sent to micro- place by gear selection position signal and extension file location signal by the analog signal sending module
Manage device transceiver module.
In the present embodiment, the CAN transceiver modules are used to receive the outer charging that the microprocessor transceiver module is sent
Signal, and by the CAN execution modules into outer charge mode, by the charger to vehicle power battery charging.
In the present embodiment, the microprocessor transceiver module is used to receive ignition switch ON in no outer charging signals
Shelves signal, and judged whether by the judgment module to low tension on vehicle；
The CAN transceiver modules are used to receive ON grades of signals of ignition switch that the microprocessor transceiver module is sent, and lead to
The CAN execution modules are crossed into upper low pressure power mode, by 24V low tension batteries to low pressure on vehicle low-voltage electric system
Electricity；
The microprocessor transceiver module is used to receive START grades of signals of ignition switch after upper complete low tension, and leads to
The judgment module is crossed to judge whether to high-voltage electricity on vehicle；
The CAN transceiver modules are used to receive START grades of signals of ignition switch that the microprocessor transceiver module is sent,
By the CAN execution modules into upper high pressure power mode, by vehicle power battery to high pressure in vehicle high-voltage electric system
Electricity.
Referring to Fig. 5, the work for the pure electric coach of the motor vehicle integrated control system for whole vehicle of the application pure electric coach is former
Reason figure, the motor vehicle integrated control system for whole vehicle of the pure electric coach by gather driver drive signal, automatic gear-box shelves
Battery control system, electric machine control system and the intelligence instrument transmission that position signal, other vehicle signals, CAN module transmit
The signal to come over, is judged by microprocessor, to control each module and each executing agency's relay in pure electric coach
Action controls so as to fulfill the full-vehicle control and gearbox of pure electric coach, reduces the quantity of control system, reduces and patch
The complexity of part and harness.
According to above-mentioned technical proposal, the control method of finished of pure electric coach of the present invention, by full-vehicle control
Module and gearbox control function module are integrated into whole-control system, compared with prior art, are had the following advantages that：
(1) realtime control is improved：The communication time between control system is shortened, improves system response time；
(2) control system cost is reduced：Reduce control system quantity, reduce supporting part, harness, the number of connector
Amount, reduces purchase cost；The construction cycle is shortened, reduces development cost；
(3) reliability control system is improved：Overall wire sheaves are simplified, so as to reduce the complicated journey of entire automobile electric system
Degree so that integration system reliability higher；
(4) maintainability is good：Reduce the diagnostic device quantity and program of control system, reduce failure and point occurs, favorably
In malfunction elimination, convenient for later stage maintenance.
To sum up, the motor vehicle integrated control system for whole vehicle of pure electric coach of the present invention controls system in orthodox car gearbox
On the basis of system, extend whole automobile control function, without individual whole-control system, the pure electric coach it is whole
Vehicle integrated control system is equipped with the microprocessor, the analog signal input, the analog signal output module, the number
Signal input module, the vehicle CAN module etc., the motor vehicle integrated control system for whole vehicle of the pure electric coach is connected by input interface
Each sensor is connect, identifies the driving intention of driver, gearbox-gear is calculated as by control system internal algorithm and driving turns
The output of square rotating speed, and signal output will be exported to speed-changer executing mechanism and drive system executing agency, quick response drives
The driving intention of member.Since the motor vehicle integrated control system for whole vehicle of the pure electric coach is integrated with the whole automobile control function and speed change
Case control function is integrated, and integrated level is high, and realtime control is good, reduces amount controller, reduces the manufacture of control system
Cost reduces other parts such as harness, improves real-time response time and the overall stability of control system.
Embodiment described above only expresses certain embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of vehicle integrated control method of pure electric coach, which is characterized in that the described method includes：
S101, microprocessor receive the charging signals that digital signal input module is sent, and judge whether to need outer charge；
If S102, need not charge outside, the microprocessor receives the igniting that the digital signal input module is sent and opens successively
START grades of signals of ON grades of signals and ignition switch are closed, judge whether to need to low tension on vehicle and high-voltage electricity successively；
After S103, upper complete high-voltage electricity, according to the operating status of the driving intention of driver and vehicle, pass through the microprocessor
The target gear of full-vehicle control pattern and gearbox is calculated in device, and passes through digital signal output modules and vehicle CAN module
It controls speed-changer executing mechanism and the drive system executing agency in pure electric coach, performs corresponding whole drive mode.
2. the vehicle integrated control method of pure electric coach according to claim 1, which is characterized in that the step S103
Specific steps include：
S1031, after vehicle enters normal driving mode, the microprocessor confirms the target gear of demand, and to speed change
Case sends control instruction；
S1032, the microprocessor judge whether current gear and target gear are consistent；
If S1033, current gear are consistent with target gear, gearbox keeps existing gear, does not enter shift procedure；
If S1034, current gear and target gear are inconsistent, after gearbox receives control instruction, target gear is entered, and
Current gear information is fed back into the microprocessor.
3. the vehicle integrated control method of pure electric coach according to claim 1, which is characterized in that the step S101
It is further comprising the steps of afterwards：
If S1011, there are outer charging signals, outer charge mode is entered, by charger to vehicle power battery charging.
4. the vehicle integrated control method of pure electric coach according to claim 1, which is characterized in that the step S102
Specific steps include：
If S1021, the institute sent without the outer charging signals, the microprocessor reception digital signal input module
ON grades of signals of ignition switch are stated to judge whether to low tension on vehicle；
If S1022, there are the ignition switch ON grades of signals, low pressure power mode is entered, by low tension battery to vehicle
Low tension on low-voltage electric system；
After S1023, upper complete low tension, the microprocessor is opened according to the igniting that the digital signal input module is sent
START grades of signals are closed to judge whether to high-voltage electricity on vehicle；
If S1024, there are the ignition switch START grades of signals, high pressure power mode is entered, passes through the vehicle power electric
Pond is to high-voltage electricity in vehicle high-voltage electric system.
5. a kind of motor vehicle integrated control system for whole vehicle of pure electric coach, including microprocessor, power module, analog signal input mould
Block, digital signal input module, digital signal output modules and vehicle CAN module, which is characterized in that in the microprocessor
Equipped with microprocessor transceiver module, judgment module and data processing module, number is equipped in the digital signal input module
Signal transmitting module is equipped with digital signal reception module and digital signal execution module, institute in the digital signal output modules
It states and CAN transceiver modules and CAN execution modules is equipped in vehicle CAN module, wherein：
The microprocessor transceiver module judges whether to need outer charge for receiving charging signals and passing through the judgment module；
The microprocessor transceiver module is used for when that need not charge outside, is received the digital signal sending module successively and is sent
START grades of signals of ON grades of signals of ignition switch and ignition switch, and pass through the judgment module judge whether successively need to
Low tension and high-voltage electricity on vehicle；
The microprocessor transceiver module is used for after upper complete high-voltage electricity, receives the driving intention of driver and the fortune of vehicle
Row state, the target gear of full-vehicle control pattern and gearbox is calculated by the data processing module, and passes through described
Microprocessor transceiver module sends control instruction to the digital signal reception module and the CAN transceiver modules, and passes through institute
It states digital signal execution module and the CAN execution modules drives the step electric machine in pure electric coach to control relay, put into gear
Motor controls relay and electric machine controller to perform corresponding whole drive mode.
6. the motor vehicle integrated control system for whole vehicle of pure electric coach according to claim 5, which is characterized in that the analog signal
Analog signal sending module is equipped in input module, holding module is additionally provided in the digital signal output modules, wherein：
The microprocessor transceiver module is used for after vehicle enters normal driving mode, and receiving the confirmation of electronic gear signal needs
The target gear asked, and send control instruction to gearbox；
The microprocessor transceiver module is used to receive gear selection position signal and the extension shelves that the analog signal sending module is sent
Position signal identifies current gear, and judges whether current gear is consistent with target gear by the judgment module；
The holding module is used for when current gear is consistent with target gear, is kept the existing gear of gearbox, is not entered and change
Shelves program；
The digital signal reception module is used in current gear and inconsistent target gear, receives the microprocessor transmitting-receiving
The control instruction that module is sent makes gearbox enter target gear by the digital signal execution module, and passes through described
Current gear information is sent to the microprocessor by gear selection position signal and extension file location signal by analog signal sending module
Transceiver module.
7. the motor vehicle integrated control system for whole vehicle of pure electric coach according to claim 5, which is characterized in that
The CAN transceiver modules are used to receive the outer charging signals that the microprocessor transceiver module is sent, and pass through the CAN
Execution module enters outer charge mode, by the charger to vehicle power battery charging.
8. the motor vehicle integrated control system for whole vehicle of pure electric coach according to claim 5, which is characterized in that
The microprocessor transceiver module is used to receive ON grades of signals of ignition switch in no outer charging signals, and passes through described
Judgment module judges whether to low tension on vehicle；
The CAN transceiver modules are used to receive ON grades of signals of ignition switch that the microprocessor transceiver module is sent, and pass through institute
CAN execution modules are stated into upper low pressure power mode, by 24V low tension batteries to low tension on vehicle low-voltage electric system；
The microprocessor transceiver module is used to receive START grades of signals of ignition switch after upper complete low tension, and passes through institute
Judgment module is stated to judge whether to high-voltage electricity on vehicle；
The CAN transceiver modules are used to receive START grades of signals of ignition switch that the microprocessor transceiver module is sent, and pass through
The CAN execution modules enter upper high pressure power mode, by vehicle power battery to high-voltage electricity in vehicle high-voltage electric system.
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