CN109109675A - Electric vehicle energy conservation regulates and controls method, apparatus, system and electric vehicle - Google Patents
Electric vehicle energy conservation regulates and controls method, apparatus, system and electric vehicle Download PDFInfo
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- CN109109675A CN109109675A CN201810853734.2A CN201810853734A CN109109675A CN 109109675 A CN109109675 A CN 109109675A CN 201810853734 A CN201810853734 A CN 201810853734A CN 109109675 A CN109109675 A CN 109109675A
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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
- B60L15/2045—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 for optimising the use of energy
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/14—Acceleration
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/64—Road conditions
- B60L2240/642—Slope of road
-
- 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
- B60L2250/00—Driver interactions
- B60L2250/26—Driver interactions by pedal actuation
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides electric vehicle energy conservation regulation method, apparatus, system, medium and electric vehicles, are related to Control of Electric Vehicles field；The present invention detects and obtains the operating parameter of current vehicle when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation；Corresponding relationship between the operating parameter of comparative analysis current vehicle and preset vehicle operating parameters determines motor drive control strategy；The second throttle adjusting velocity by voltage signal is exported to electric motor drive system according to determining motor drive control strategy.Control strategy drive motor of the present invention by adjusting electric motor drive system to match compared with current vehicle operating parameter, rather than it is driven by governor system control merely, reduce manually be unable to accurately control caused to step on the gas caused by waste of energy, reach utilization of power maximization, improves course continuation mileage.
Description
Technical field
The present invention relates to electric vehicle control field, in particular to electric vehicle energy conservation regulation method, apparatus, system and
Electric vehicle.
Background technique
With the aggravation of energy shortage, people put into more and more energy in the research and development of new energy technology, in turn,
New-energy automobile technology has also obtained significant progress.
New-energy automobile refers to using unconventional vehicle fuel (non-renewable energy such as conventional vehicle fuel such as gasoline
Source) as a source of power, the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle of formation is advanced, has
There is the automobile of new technology, new construction.
In general, the energy used in new-energy automobile is electric energy, use electric energy as the electric vehicle of the energy compared to tradition
For automobile, the influence to environment is smaller, and prospect of the application is preferable.
In addition, a key factor for influencing electric vehicle course continuation mileage is the behavioural habits that people drive vehicle.In general, people
By trampling gas pedal, control the travel speed of vehicle, and vehicle, during starting or traveling, people can not be accurate
Control trample the depth of throttle to adapt to current vehicle speed, when the depth that throttle is trampled is excessive, power supply (battery pack) meeting
To the excessive electric current of motor output, the waste of electric energy is caused, reduces the course continuation mileage of vehicle.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention provides a kind of electric vehicle energy conservation regulation method, apparatus, is
System and electric vehicle will by energy-saving adjusting device by adding energy-saving adjusting device on the basis of original electric drive system
Matched by throttle voltage signal modulation with running velocity, so that vehicle traction motor working method is according to current vehicle speed
Degree determines, rather than is individually determined by the depth that driver tramples throttle, avoids artificial when trampling throttle, and electric switch can not be accurate
Control, caused high current effectively raise course continuation mileage long lasting for waste of energy phenomenon caused by input.
In a first aspect, the present invention provides a kind of electric vehicle energy conservation regulation method, comprising:
When speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation, the operation ginseng of current vehicle is detected and obtained
Number；
Corresponding relationship between the operating parameter of comparative analysis current vehicle and preset vehicle operating parameters determines electronic
Machine drive control strategy；
The second throttle adjusting velocity by voltage signal is exported to electric motor drive system according to determining motor drive control strategy.
Further, energy saving regulation method of the present invention, the motor drive control strategy are following for characterizing
Any one or more information:
The generation time of each second throttle adjusting velocity by voltage signal exports specified second throttle voltage tune to electric motor drive system
The time of fast signal, each second throttle adjusting velocity by voltage signal amplitude；
Wherein, the quantity of the second throttle adjusting velocity by voltage signal is one or at least two.
Further, energy saving regulation method of the present invention, record has in motor drive control strategy generates for the first time
The second throttle adjusting velocity by voltage signal amplitude and the second throttle adjusting velocity by voltage signal fall.
Further, energy saving regulation method of the present invention, the vehicle operating parameters include: running velocity and
Throttle voltage.
Further, energy saving regulation method of the present invention, the vehicle operating parameters further include it is following any one
Or multiple parameters:
Electric power outputting current, electric power output voltage, output power of power supply, vehicle acceleration, turning angle of vehicle, the road conditions gradient.
Further, energy saving regulation method of the present invention, oil corresponding to the second throttle adjusting velocity by voltage signal
Gate voltage value is less than or equal to throttle voltage value corresponding to the first throttle adjusting velocity by voltage signal, and/or, the second throttle voltage tune
The amplitude less than or equal to the first throttle adjusting velocity by voltage signal of the amplitude of fast signal.
Further, energy saving regulation method of the present invention, the motor drive control strategy include:
According to the difference between current vehicle operating parameter and preset vehicle operating parameters, compares and determine throttle voltage
Adjustable range；
According to the speed of service for the current vehicle that detection obtains, calls and match regulatory process corresponding with speed of service section, with
Every modulation intervals time Δ T reduces throttle regulating and controlling voltage amplitude, ao V to modulate throttle voltage.
Further, energy saving regulation method of the present invention, corresponding throttle voltage in different speed of service sections
Range, modulation intervals time Δ T and/or throttle regulating and controlling voltage amplitude, ao V are different.
Further, energy saving regulation method of the present invention, which is characterized in that the modulation intervals time Δ T takes
Value range is 0.01S-0.3S.
Further, energy saving regulation method of the present invention, which is characterized in that the throttle regulating and controlling voltage amplitude, ao V
Range be 0.01V-0.5V.
Second aspect, the present invention provide a kind of electric vehicle energy-saving control system, comprising: energy saving regulator control system, speed-regulating system
And electric motor drive system；The speed-regulating system is electrically connected the electric motor drive system；The energy conservation regulator control system is electric respectively
It connects the speed-regulating system and electric motor drive system or is set between speed-regulating system and electric motor drive system；
Energy saving regulator control system, for executing corresponding step according to any energy saving regulation method of first aspect；
Speed-regulating system for generating the first throttle adjusting velocity by voltage signal, and is sent to electric motor drive system；
Electric motor drive system, for carrying out work according to the first throttle adjusting velocity by voltage signal and the second throttle adjusting velocity by voltage signal
Make.
The third aspect, the present invention provide a kind of electric vehicle energy-saving regulation-control device, act on the energy conservation regulation inside electric vehicle
System, the energy-saving regulation-control device include:
Detection module, for detecting and obtaining current when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation
The operating parameter of vehicle
Determining module, for corresponding between the operating parameter and preset vehicle operating parameters of comparative analysis current vehicle
Relationship determines motor drive control strategy；
Output module, for exporting the second throttle voltage to electric motor drive system according to determining motor drive control strategy
Speed-regulating signal.
Further, electric vehicle energy-saving regulation-control device of the present invention, the motor drive control strategy are used for table
Levy following any one or more information:
The generation time of each second throttle adjusting velocity by voltage signal exports specified second throttle voltage tune to electric motor drive system
The time of fast signal, each second throttle adjusting velocity by voltage signal amplitude；
Wherein, the quantity of the second throttle adjusting velocity by voltage signal is one or at least two.
Further, electric vehicle energy-saving regulation-control device of the present invention records in the motor drive control strategy
There are the amplitude of the second throttle adjusting velocity by voltage signal generated for the first time and the fall of the second throttle adjusting velocity by voltage signal.
Further, electric vehicle energy-saving regulation-control device of the present invention, the detection module include: velocity pick-up module
With throttle voltage sensor module.
Further, electric vehicle energy-saving regulation-control device of the present invention, the detection module further include following any one
A or multiple modules:
Current sense module, voltage sensor module, power sensing module, horizontal sensor module, acceleration sensing module, steering angle
Sensing module.
Further, electric vehicle energy-saving regulation-control device of the present invention, the determining module include: Digital Signal Processing
Module, and with the target data registration module of digital signal processing module communication connection, clock module.
Further, electric vehicle energy-saving regulation-control device of the present invention, the output module include at least one digital-to-analogue
Convert output module.
Further, electric vehicle energy-saving regulation-control device of the present invention, the energy-saving regulation-control device are applied to electric vehicle
When, it is set between electric vehicle speed-regulating device and electric vehicles controller or on electric vehicle speed-regulating device or controller for electric vehicle
In；
Motor control unit, full-vehicle control unit, IGBT inversion unit and motor position is equipped in the controller for electric vehicle to pass
Feel unit.
Further, electric vehicle energy-saving regulation-control device of the present invention, the electric vehicle speed-regulating device by signal wire,
Line connects the motor control unit in controller for electric vehicle with one group of transmission line that pressure-wire forms；In the energy-saving regulation-control device
Output module be separately connected signal wire and ground wire.
Further, electric vehicle energy-saving regulation-control device of the present invention, the electric vehicle speed-regulating device by signal wire,
Two groups of transmission lines of line and pressure-wire composition are separately connected motor control unit and full-vehicle control unit in controller for electric vehicle；
Output module in the energy-saving regulation-control device is separately connected the signal wire and ground wire of motor control unit.
Further, electric vehicle energy-saving regulation-control device of the present invention, the motor control unit and full-vehicle control list
Throttle voltage coordinator is equipped between two signal wires of member.
Further, the electric vehicle energy-saving regulation-control device that the present invention states, which is characterized in that the output module and motor control
The signal wire of unit processed is equipped with unilateral diode；The conducting direction of the unilateral diode is motor control unit flow direction output
Module.
Fourth aspect, the present invention provide a kind of electric vehicle, including electric vehicle energy-saving control system described in second aspect；Also
It include: wheel, vehicle bridge, vehicle frame and vehicle shell；The vehicle frame is equipped with accommodating cavity；The accommodating cavity is for placing the energy conservation regulation
System, speed-regulating system and electric motor drive system.
Compared with the prior art, institute's above-mentioned technical proposal of the present invention has the beneficial effect that
In the above scheme of the embodiment of the present invention, when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation, inspection
Survey and obtain the operating parameter of current vehicle；The operating parameter of comparative analysis current vehicle and preset vehicle operating parameters
Between corresponding relationship, determine motor drive control strategy；It is driven according to determining motor drive control strategy to motor
Dynamic system exports the second throttle adjusting velocity by voltage signal；So that the working method of electric motor drive system passes through energy saving regulator control system inspection
Survey the operating parameter of current vehicle, the corresponding control strategy of Auto-matching carries out motor drive, rather than merely by
Governor system control driving reaches utilization of power maximization；Meanwhile avoiding since speed regulation throttle is unable to accurately control, cause
High current long lasting for waste of energy phenomenon caused by input, effectively raise course continuation mileage.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the basic flow chart of the regulation method of electric vehicle energy conservation provided by the embodiment of the present invention；
System architecture diagram where regulating and controlling method when in use Fig. 2 shows electric vehicle energy conservation provided by the embodiment of the present invention；
Fig. 3 shows the physical circuit figure of electric vehicle energy-saving regulation-control device provided by the embodiment of the present invention；
Fig. 4 shows the inside chip figure of digital signal processor of the present invention.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Electric vehicle is since the appearance, and cruising ability is exactly the main problem that it is faced, and in turn, electric vehicle is always towards section
The direction that can, subtract consumption is developed.In order to save the use of electric energy, electric vehicle would generally working mechanism from lighting system, motor knot
Structure increases energy storage device (such as flywheel) etc. to improve to electric vehicle, but the present inventors considered that, only from these
Aspect, which improves, still to be apparent not enough, and heretofore described throttle is E-Gas or electric switch；Throttle voltage is E-Gas electricity
Pressure or electric switch voltage.
In turn, the present patent application provides electric vehicle energy conservation regulation method, as shown in Figure 1, this method comprises the following steps:
S1: when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation, detect and obtain the operation of current vehicle
Parameter；
S2: the corresponding relationship between the operating parameter of comparative analysis current vehicle and preset vehicle operating parameters determines
Motor drive control strategy；
S3: the second throttle adjusting velocity by voltage signal is exported to electric motor drive system according to determining motor drive control strategy；
Repeat step S1-S3, circulatory monitoring regulation.
Wherein, motor drive control strategy is for characterizing following any one or more information: each second throttle electricity
Press time for generating the time, exporting specified second throttle adjusting velocity by voltage signal to electric motor drive system, each of speed-regulating signal
The amplitude of second throttle adjusting velocity by voltage signal；Wherein, the quantity of the second throttle adjusting velocity by voltage signal is one or at least two.It is special
Other, record has the amplitude and the second throttle of the second throttle adjusting velocity by voltage signal generated for the first time in motor drive control strategy
The fall of adjusting velocity by voltage signal.
Current vehicle kinematic parameter refers to some parameters of electric vehicle movement, these vehicle movement parameters are can to react
The motion state of vehicle, wherein vehicle movement parameter at least should include: running velocity and throttle voltage, into one
Step ground, further includes following any one or more parameters: electric power outputting current, output voltage, output power of power supply, vehicle accelerate
Degree, turning angle of vehicle, the road conditions gradient.
Wherein, running velocity is commonly referred to as the speed that vehicle is moved along some line, i.e. linear velocity.Vehicle acceleration
It is to have reacted vehicle in the situation of change of the speed at current time；Turning angle of vehicle reflects whether vehicle is currently turning,
And the degree of turning；The road conditions gradient reflects the driving condition of current vehicle, upward slope or descending；Throttle voltage reflects currently
The size of the speed regulation electric current of vehicle.
In addition, throttle voltage value corresponding to the present patent application the second throttle adjusting velocity by voltage signal is less than or equal to the first oil
Throttle voltage value corresponding to gate voltage speed-regulating signal, and/or, the amplitude of the second throttle adjusting velocity by voltage signal is less than or equal to
The amplitude of first throttle adjusting velocity by voltage signal.
Energy saving regulation method described in the present patent application, the motor drive control strategy the following steps are included:
1. comparing according to the difference between current vehicle operating parameter and preset vehicle operating parameters and determining throttle voltage
Adjustable range；
2. it calls according to the speed of service for the current vehicle that detection obtains and matches regulatory process corresponding with speed of service section,
Throttle voltage is modulated with the throttle regulating and controlling voltage amplitude, ao V of setting in modulation intervals time Δ T.
Wherein, throttle voltage range corresponding in speed of service section different in motor drive control strategy, modulation
Interval time Δ T and/or throttle regulating and controlling voltage amplitude, ao V are different.
The following are certain model electric vehicle, 1.4 tons of car weight, parameter setting range when flat pavement running, specifically: work as vehicle
Throttle voltage range is 0V-3.9V when the speed of service is 0km/h-150km/h；Modulation intervals time Δ T value range is
The range of 0.01S-1S, throttle regulating and controlling voltage amplitude, ao V are 0.01V-0.5V；
Based on above-mentioned energy saving regulation method, as shown in Fig. 2, the present patent application also provides a kind of electric vehicle energy-saving control system, packet
It includes: energy saving regulator control system, speed-regulating system and electric motor drive system；The speed-regulating system is electrically connected the motor drive system
System；The energy conservation regulator control system is set between speed-regulating system and electric motor drive system.
Wherein, energy saving regulator control system, for executing corresponding step according to above-mentioned energy saving regulation method；Speed-regulating system,
For generating the first throttle adjusting velocity by voltage signal, and it is sent to electric motor drive system；Electric motor drive system, for according to the
One throttle adjusting velocity by voltage signal and the second throttle adjusting velocity by voltage signal work.
It corresponds to the above method, the application also provides a kind of electric vehicle energy-saving regulation-control device, acts in electric vehicle
The energy saving regulator control system in portion, the energy-saving regulation-control device include:
Detection module, for detecting and obtaining current when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation
The operating parameter of vehicle；
Determining module, for corresponding between the operating parameter and preset vehicle operating parameters of comparative analysis current vehicle
Relationship determines motor drive control strategy；
Output module, for exporting the second throttle voltage to electric motor drive system according to determining motor drive control strategy
Speed-regulating signal.
Preferably, above-mentioned electric vehicle energy-saving regulation-control device, motor drive control strategy are following any one for characterizing
A or multiple information: the generation time of each second throttle adjusting velocity by voltage signal specifies second to electric motor drive system output
The time of throttle adjusting velocity by voltage signal, each second throttle adjusting velocity by voltage signal amplitude；Wherein, the second throttle adjusting velocity by voltage is believed
Number quantity be one or at least two.
Preferably, above-mentioned electric vehicle energy-saving regulation-control device, record has in the motor drive control strategy generates for the first time
The second throttle adjusting velocity by voltage signal amplitude and the second throttle adjusting velocity by voltage signal fall.
Wherein, above-mentioned detection module includes: velocity pick-up module and throttle voltage sensor module；It further include following any
One or more modules:
Current sense module, voltage sensor module, power sensing module, horizontal sensor module, acceleration sensing module, steering angle
Sensing module.
Determining module includes: digital signal processing module, and the target data with digital signal processing module communication connection
Registration module, clock module；Output module includes at least one digital-to-analogue conversion output module.
Wherein, velocity pick-up module is that GPS satellite speed measuring module or hall sensing speed measuring module or infrared ray sensing are surveyed
Fast module or photoelectric sensing speed measuring module；Acceleration sensing module is two axle sensors or four axle sensors or six axis sensing
Device；Digital signal processing module is DSP core processor or MCU core processor.
In above-mentioned energy-saving regulation-control device, detection module and output module distinguish communication connection determining module, wherein detection mould
The vehicle operating parameters (for example: velocity amplitude, throttle voltage value etc.) that block is used to will test pass through internal signal conversion circuit,
Be converted to the digital signal to match with digital signal processing module in determining module (for example: binary signal, octal system letter
Number, hexadecimal signal etc.), communication transfer to digital signal processing module, digital signal processing module is according to the number received
Word signal passes through the matched control strategy of internal control Program Generating, wherein the output form of the control strategy
For digital signal, digital data transmission to digital-to-analogue conversion output module generates corresponding mould by internal D/A converting circuit
Quasi- semaphore, then inputs in the controller for electric vehicle of electric motor drive system, and then controls the operating of driving motor.Wherein,
Detection module can also be analog quantity, that is, the analog parameter amount being set in digital signal processing module internal processes.
When above-mentioned energy-saving regulation-control device is applied to electric vehicle, be set to electric vehicle speed-regulating device and electric vehicles controller it
Between or electric vehicle speed-regulating device on or controller for electric vehicle in；Motor control unit, whole is equipped in the controller for electric vehicle
Vehicle control unit, IGBT inversion unit and motor position sensing unit.The electric vehicle speed-regulating device is by signal wire, ground wire and electricity
Motor control unit in one group of transmission line connection controller for electric vehicle of crimping composition；Output in the energy-saving regulation-control device
Module is separately connected signal wire and ground wire, wherein Hall-type E-Gas governor is equipped in speed regulation device.
As another optinal plan, in above-mentioned electric vehicle energy-saving regulation-control device, electric vehicle speed-regulating device is by signal wire, ground wire
Motor control unit and full-vehicle control unit in controller for electric vehicle are separately connected with two groups of transmission lines of pressure-wire composition；Institute
Signal wire and ground wire that the output module in energy-saving regulation-control device is separately connected motor control unit are stated, wherein speed regulation device is rotation
Variant E-Gas governor.Since the output signal of energy-saving regulation-control device is connected to the connected signal wire of motor control unit
On, in order to avoid the voltage signal balance between the signal wire in two groups of transmission lines, in motor control unit and full-vehicle control list
Throttle voltage coordinator is equipped between two signal wires of member.Preferably, on the signal wire of output module and motor control unit
Equipped with unilateral diode；The conducting direction of the unilateral diode is that motor control unit flows to output module.
It is corresponding with above-mentioned energy saving regulation method, present invention also provides a kind of can be performed with processor it is non-volatile
Program code computer-readable medium, said program code makes the processor execute electric vehicle energy conservation regulation method.
Corresponding with above-mentioned electric vehicle energy-saving control system, the application also provides a kind of electric vehicle, including above-mentioned electronic
Vehicle energy-saving control system；Further include: wheel, vehicle bridge, vehicle frame and vehicle shell；The vehicle frame is equipped with accommodating cavity；The accommodating cavity is used
In the placement energy saving regulator control system, speed-regulating system and electric motor drive system.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
As a kind of preferred embodiment of the present embodiment, a kind of energy conservation regulation dress for electric vehicle of the present invention
It sets, comprising: detection module, determining module and output module；Wherein, detection module includes: acceleration sensing module, velocity pick-up
Module, throttle voltage sensor module and current detection module；The digital-to-analogue output unit is digital-to-analogue conversion output module；Determine mould
Block includes: digital signal processor, and with the target data registration module of digital signal processor communication connection, clock module,
And the digital signal input end mouth and digital signal output port to match with detection module and output module.Wherein, number letter
Number processor is used to handle the feedback data comparative analysis of target data and detection module, and is carried out accordingly by output module
Impulse modulation with to controller for electric vehicle export analog signal.
Wherein it is determined that be stored in target data registration module in module it is right between the electric current, voltage and speed of setting
The target value that should be related to, the potentiometer in the present embodiment are electric switch pedal；
Wherein, the concrete function of modules is as follows in the present embodiment:
Digital signal processor: for receiving the digital signal of each module input in detecting sensing unit, and by blas into
Row logical operation, and make and execute order；
Acceleration sensing module: detecting the acceleration of vehicle, and is converted to digital signal and is input into digital signal processor；
Velocity pick-up module: detecting the speed of vehicle, and is converted to digital signal and is input into digital signal processor；
Electric switch voltage sensor module: the voltage value of detection electric switch pedal, and be converted to digital signal input digital signal processor；
Current detection module: detection electric power outputting current value, and be converted to digital signal input digital signal processor；
Target data registration module: register is called for digital signal processor and is compared for storing target component；
D/A converter module: executing the instruction of digital signal processor, and the digital signal of digital signal processor is converted to mould
Quasi- signal.
Preferably, in the present embodiment: digital signal processor uses DSP core processor or MCU core processor；Accelerate
Sensing module is spent using two axle sensors or four axle sensors or six axle sensors, preferably six axle sensors；
Preferably, acceleration sensor module using GPS satellite sensing test the speed or infrared ray sensing test the speed or hall sensing test the speed or
Photoelectric sensing tests the speed.In the present embodiment, the acceleration sensor module is hall sensing speed measuring module, and the hall sensing tests the speed
Module includes the hall sensor being fixedly mounted on vehicle frame, the permanent magnet being mounted on wheel, and with hall sensor electricity
The counter of connection；In driving process, vehicle wheel rotation, when permanent magnet on wheel is by near hall sensor, hall sensing
Device generates a corresponding pulse, and passes to counter, and permanent magnet passes through hall sensor in the counters count unit time
Number, can be calculated the revolving speed of wheel, and from which further follow that the travel speed of vehicle；Counter passes through A/D conversion module,
Speed signal is passed into digital signal processor.
Above-mentioned energy-saving regulation-control device is installed between electric vehicle speed-regulating device and controller for electric vehicle；Wherein, speed regulation device
Hall-type E-Gas governor, including a potentiometer are selected, three groups of connections are equipped between potentiometer and controller for electric vehicle
Line is respectively as follows: signal wire, ground wire and pressure-wire；The analog signal output mouth of D/A converter module is equipped with both threads, connects respectively
It is connected on signal wire and ground wire；It is worth noting that, the signal wire of D/A converter module is equipped with unilateral diode, unidirectional two pole
The cathode of pipe close to digital-to-analogue conversion output module analog signal output mouth so that when electric switch pedal output voltage signal it is big
When the voltage signal of D/A converter module output, pass through the one-way conduction characteristic of diode, the voltage letter of electric switch pedal output
It number is pulled low, is consistent with the voltage signal of D/A converter module output, so that the electric switch voltage signal of controller for electric vehicle
It reduces, reaches energy-efficient purpose.
As shown in Figure 3, Figure 4, by taking DSP core processor as an example, core chip is equipped with 32 and draws digital signal processor
Foot is respectively as follows: P1.0-P1.7, P5.4, VCC, P5.5, GND, P3.0-P3.7, P2.0-P2.7, P0.0-P0.3；32 pins
It is divided into multiple groups digital signal input end mouth and digital signal output port accordingly；Meanwhile acceleration sensing module, velocity pick-up
Module, electric switch voltage sensor module and current detection module are connected respectively number letter corresponding with digital signal processor
On number input port, the digital signal input end of data conversion module is connected to the corresponding number of digital signal processor accordingly
On word signal output port,
In addition, the analog signal output mouth of D/A converter module is correspondingly connected to controller for electric vehicle speed-regulating signal input terminal,
And it is connected in parallel with potentiometer.
The working principle (energy saving regulation method) of present embodiment are as follows:
When vehicle with a certain speed when driving, since in order to regulate and control speed, the degree of trampling of electric switch pedal can persistently change,
The description of this working principle is subject to when adjusting the speed pedal and being in a certain state:
When electric switch pedal is trampled to a certain position, vehicle there are corresponding acceleration, speed, electric switch voltage and output electric current,
At this point, digital signal processor is converted the analog signal of acceleration, speed, electric switch voltage and output electric current by detection module
Digital signal processor is fed back to for digital signal, at the same time, digital signal processor while invocation target data register mould
The corresponding numerical value of feedback digital signal is compared corresponding target value in block with target value, if Data Matching,
Digital signal processor is without adjusting, with the electric switch voltage signal output of electric switch pedal output and controller for electric vehicle；If
Numerical value mismatches, then to feedback digital signal by the throttle regulating and controlling voltage width set in digital signal processing core chip program
Spending Δ V and modulation intervals time Δ T, (that is: every modulation intervals time Δ T reduces or increases throttle electricity to target value signal modulation
Pressure regulation amplitude, ao V), simultaneously as each detection module is equipped with the cycle detection period, it can be to acceleration, speed, electric switch voltage
It carries out continuing detection with output electric current, therefore, when data signal processor receives the feedback signal of detection module again, meeting
Again new feedback digital signal is compared with the corresponding target value in target data registration module, if numerical value
It mismatches, then will continue to the feedback digital signal newly received by the oil set in digital signal processing core chip program
Gate voltage regulates and controls amplitude, ao V and modulation intervals time Δ T to target value signal modulation；It moves in circles.
Wherein, above-metioned instruction digital signal processor is in the form of digital signal, and passing through D/A converter module will be digital
Signal is converted to corresponding analog signal input controller for electric vehicle.In addition, it is necessary to it is specifically intended that digital signal processor
The throttle regulating and controlling voltage amplitude, ao V and modulation intervals time Δ T set in core chip program can difference according to vehicle and road
Condition is adjusted, wherein throttle regulating and controlling voltage amplitude, ao V represents the amplitude adjusted every time in core chip, modulation intervals time
Δ T represents the span adjusted every time, and above-mentioned two parameter (throttle regulating and controlling voltage amplitude, ao V and modulation intervals time Δ is rationally arranged
Whether there is pause and transition in rhythm or melody sense when vehicle driving T) can be directly resulted in.
It is specifically intended that: above-mentioned energy conservation regulation method includes: to set in digital signal processing core chip program
Modulate throttle regulating and controlling voltage amplitude, ao V and modulation intervals time Δ T；The energy conservation regulation method is to feedback digital signal with every
The interval time of Δ T, Δ V modulate pressure difference to target number signal modulation.
Wherein specific energy saving regulation method (step) is as follows:
S1: gas pedal is stepped on, and digital signal processor starts to receive acceleration, speed, electric switch by the sensing of detection module
The feedback digital signal of voltage and current, analysis handle the corresponding relationship of each parameter；
S2: at the same time, the corresponding target value in digital signal processor invocation target data register module, and with feedback
Digital signal is compared, if Data Matching, digital signal processor is without adjusting, with the electric switch electricity of electric switch pedal output
Press signal output and controller for electric vehicle；If numerical value mismatches, digital signal processing core is pressed to feedback digital signal
The throttle regulating and controlling voltage amplitude, ao V and modulation intervals time Δ T set in chip program is to target value signal modulation；
S3: according to the modulation strategy of above-mentioned generation, digital signal processor generates corresponding digital signal, and to digital-to-analogue conversion mould
Block input converts digital signals into the controller for electric vehicle of analog signal input electric drive system；
S4: since detecting sensing unit is equipped with the circulation detecting period, when data signal processor receives detection mould again
When the feedback signal of block, the digital signal newly detected can be modulated according to above-mentioned steps again, moved in circles.
Wherein, it includes: the first manner of execution and that digital signal processor in S1, which receives the feedback signal of detection module,
Two manner of execution；
First manner of execution are as follows: the feedback signal of acceleration sensing module, current sense module and electric switch voltage sensor module is defeated
Enter digital signal processing module；Second manner of execution are as follows: velocity pick-up module, current sense module and electric switch voltage sensor module
Feedback signal input digital signal processing module；First manner of execution and the investigation of the second manner of execution synchronous circulating are kept.
In addition, the calling comparison process in S2 is specially following steps:
1. digital signal processor passes through the feedback signal of receiving detecting sensing unit, analysis processing electric switch voltage, speed, electric current
Between corresponding relationship；
2. the setting value in corresponding relationship and target data registration module between the electric switch voltage that will test, speed, electric current
It compares and analyzes；
3. digital signal processor is without adjusting, if Data Matching with the electric switch voltage signal output of electric switch pedal output
With controller for electric vehicle；If numerical value mismatches, to feedback digital signal by digital signal processing core chip program
The throttle regulating and controlling voltage amplitude, ao V and modulation intervals time Δ T of setting are to target value signal modulation；
4. the digital signal corresponding conversion received is by the digital signal input D/A converter module exported, D/A converter module
Analog signal inputs the controller for electric vehicle of electric drive system.
In order to facilitate understanding, below with specific experimental example for illustrating:
The electric vehicle of certain model, car weight 1.3T, by taking speed 60km/h as an example, driver's foot operated contact, electric switch voltage at this time
Unknown, in the target data registration module of central processing unit, the electric power outputting current when speed 60km/h set is 11A-
14A, corresponding electric switch voltage are 1.9V-2.0V；The setting detecting sensing unit feedback that central processing unit receives at this time
Electric switch voltage value corresponding to digital signal is 2.2V, and corresponding electric power outputting current is 15A；At this point, digital signal processor
By operational analysis, digital signal processor is again with duration for setting as 0.1S, pulsating modulation pair that pressure difference is 0.2V
Electric switch voltage 1.9-2.0V carries out pulsating adjustment.
Wherein, comparison, which is called, is subject to the signal parameter of electric switch voltage, such as 1.9V, electric switch voltage sensor module receive
1.9V indicated with floating number, after being converted to digital signal are as follows: 0,001 1,110 1001 binary code, Digital Signal Processing
Above-mentioned binary code is sent to D/A converter module by device, and D/A converter module receives 0,001 1,110 1001 binary system
After code, automatic interpretation is the analog signal output of 1.9V to port, for inputting the controller for electric vehicle of electric drive system
It is interior.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (19)
1. a kind of electric vehicle energy conservation regulates and controls method characterized by comprising
When speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation, the operation ginseng of current vehicle is detected and obtained
Number；
Corresponding relationship between the operating parameter of comparative analysis current vehicle and preset vehicle operating parameters determines electronic
Machine drive control strategy；
The second throttle adjusting velocity by voltage signal is exported to electric motor drive system according to determining motor drive control strategy.
2. energy conservation regulation method according to claim 1, which is characterized in that the motor drive control strategy is used for table
Levy following any one or more information:
The generation time of each second throttle adjusting velocity by voltage signal exports specified second throttle voltage tune to electric motor drive system
The time of fast signal, each second throttle adjusting velocity by voltage signal amplitude；
Wherein, the quantity of the second throttle adjusting velocity by voltage signal is one or at least two.
3. energy conservation regulation method according to claim 1, which is characterized in that the vehicle operating parameters include: vehicle fortune
Scanning frequency degree and throttle voltage.
4. energy conservation regulation method according to claim 3, which is characterized in that the vehicle operating parameters further include following ginseng
It is any one or more in number:
Electric power outputting current, electric power output voltage, output power of power supply, vehicle acceleration, turning angle of vehicle, the road conditions gradient.
5. energy saving regulation method according to claim 1 to 3, which is characterized in that the motor drive control
Strategy includes:
According to the difference between current vehicle operating parameter and preset vehicle operating parameters, compares and determine throttle voltage
Adjustable range；
According to the speed of service for the current vehicle that detection obtains, the regulatory process to match with speed of service section is called, with every tune
Interval time Δ T processed reduces throttle regulating and controlling voltage amplitude, ao V to modulate throttle voltage.
6. energy conservation regulation method according to claim 5, which is characterized in that corresponding oil in different speed of service sections
Gate voltage range, modulation intervals time Δ T and/or throttle regulating and controlling voltage amplitude, ao V are different.
7. a kind of electric vehicle energy-saving control system characterized by comprising energy saving regulator control system, speed-regulating system and motor drive
Dynamic system；The speed-regulating system is electrically connected the electric motor drive system；The energy conservation regulator control system is electrically connected the tune
Speed system and electric motor drive system are set between speed-regulating system and electric motor drive system；
Energy saving regulator control system, for executing corresponding step according to the described in any item energy saving regulation methods of such as claim 1-10
Suddenly；
Speed-regulating system for generating the first throttle adjusting velocity by voltage signal, and is sent to electric motor drive system；
Electric motor drive system, for carrying out work according to the first throttle adjusting velocity by voltage signal and the second throttle adjusting velocity by voltage signal
Make.
8. a kind of electric vehicle energy-saving regulation-control device, which is characterized in that act on the energy saving regulator control system inside electric vehicle, the energy conservation
Regulation device includes:
Detection module, for detecting and obtaining current when speed-regulating system starts movement the first throttle adjusting velocity by voltage signal of generation
The operating parameter of vehicle
Determining module, for corresponding between the operating parameter and preset vehicle operating parameters of comparative analysis current vehicle
Relationship determines motor drive control strategy；
Output module, for exporting the second throttle voltage to electric motor drive system according to determining motor drive control strategy
Speed-regulating signal.
9. electric vehicle energy-saving regulation-control device according to claim 8, which is characterized in that the motor drive control strategy
For characterizing following any one or more information:
The generation time of each second throttle adjusting velocity by voltage signal exports specified second throttle voltage tune to electric motor drive system
The time of fast signal, each second throttle adjusting velocity by voltage signal amplitude；
Wherein, the quantity of the second throttle adjusting velocity by voltage signal is one or at least two.
10. electric vehicle energy-saving regulation-control device according to claim 8, which is characterized in that the detection module includes: speed
Sensing module and throttle voltage sensor module.
11. electric vehicle energy-saving regulation-control device according to claim 10, which is characterized in that the detection module further include with
Under any one or more modules:
Current sense module, voltage sensor module, power sensing module, horizontal sensor module, acceleration sensing module, steering angle
Sensing module.
12. electric vehicle energy-saving regulation-control device according to claim 8, which is characterized in that the determining module includes: number
Signal processing module, and with the target data registration module of digital signal processing module communication connection, clock module.
13. electric vehicle energy-saving regulation-control device according to claim 8, which is characterized in that the output module includes at least
One digital-to-analogue conversion output module.
14. according to electric vehicle energy-saving regulation-control device described in claim 8-13 any one, which is characterized in that the energy conservation is adjusted
When controlling device applied to electric vehicle, it is set between electric vehicle speed-regulating device and electric vehicles controller or electric vehicle speed regulation fills
Set or controller for electric vehicle in；
Motor control unit, full-vehicle control unit, IGBT inversion unit and motor position is equipped in the controller for electric vehicle to pass
Feel unit.
15. electric vehicle energy-saving regulation-control device according to claim 14, which is characterized in that the electric vehicle speed-regulating device by
One group of transmission line that signal wire, ground wire and pressure-wire form connects the motor control unit in controller for electric vehicle；The energy conservation
Output module in regulation device is separately connected signal wire and ground wire.
16. electric vehicle energy-saving regulation-control device according to claim 14, which is characterized in that the electric vehicle speed-regulating device by
Two groups of transmission lines of signal wire, ground wire and pressure-wire composition are separately connected motor control unit and vehicle in controller for electric vehicle
Control unit；Output module in the energy-saving regulation-control device is separately connected the signal wire and ground wire of motor control unit.
17. electric vehicle energy-saving regulation-control device according to claim 16, which is characterized in that the motor control unit and whole
Throttle voltage coordinator is equipped between two signal wires of vehicle control unit.
18. electric vehicle energy-saving regulation-control device according to claim 15 or 16, which is characterized in that the output module and electricity
The signal wire of machine control unit is equipped with unilateral diode；The conducting direction of the unilateral diode is motor control unit flow direction
Output module.
19. a kind of electric vehicle, it is characterised in that: including electric vehicle energy-saving control system as claimed in claim 7；Further include:
Wheel, vehicle bridge, vehicle frame and vehicle shell；The vehicle frame is equipped with accommodating cavity；The accommodating cavity for place the energy saving regulator control system,
Speed-regulating system and electric motor drive system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853734.2A CN109109675A (en) | 2018-07-30 | 2018-07-30 | Electric vehicle energy conservation regulates and controls method, apparatus, system and electric vehicle |
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|---|---|---|---|
| CN201810853734.2A CN109109675A (en) | 2018-07-30 | 2018-07-30 | Electric vehicle energy conservation regulates and controls method, apparatus, system and electric vehicle |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795606A (en) * | 2019-03-12 | 2019-05-24 | 北京隆普智能科技有限公司 | A kind of driving method and its device |
| CN114633638A (en) * | 2022-04-11 | 2022-06-17 | 苏州汇川联合动力系统有限公司 | Bus voltage control method of new energy automobile, new energy automobile and power system of new energy automobile |
-
2018
- 2018-07-30 CN CN201810853734.2A patent/CN109109675A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109795606A (en) * | 2019-03-12 | 2019-05-24 | 北京隆普智能科技有限公司 | A kind of driving method and its device |
| CN114633638A (en) * | 2022-04-11 | 2022-06-17 | 苏州汇川联合动力系统有限公司 | Bus voltage control method of new energy automobile, new energy automobile and power system of new energy automobile |
| CN114633638B (en) * | 2022-04-11 | 2024-04-26 | 苏州汇川联合动力系统股份有限公司 | New energy automobile bus voltage control method, new energy automobile and power system thereof |
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