CN108340901A - More power combination drive engineering transportation vehicle controls and its control method - Google Patents
More power combination drive engineering transportation vehicle controls and its control method Download PDFInfo
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- CN108340901A CN108340901A CN201810364939.4A CN201810364939A CN108340901A CN 108340901 A CN108340901 A CN 108340901A CN 201810364939 A CN201810364939 A CN 201810364939A CN 108340901 A CN108340901 A CN 108340901A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- 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
- Y02T10/62—Hybrid vehicles
Abstract
The invention discloses a kind of more power combination drive engineering transportation vehicle controls, including：Internal combustion engine driving unit provides driving force by internal combustion engine for driving jackshaft and/or driving rear axle；Electric-motor drive unit comprising increase journey motor, driving motor and power battery, increase the axle stretch end and PTO mouthfuls of internal combustion engine rear end mechanical connection of journey motor, mechanical kinetic energy is converted to electric energy, electricity is supplemented for power battery；The transmission axis connection of the axle stretch end of driving motor and bridge/driving rear axle before driving, converts the electric energy of power battery to mechanical energy, driving force is provided for bridge before driving/driving rear axle；Entire car controller is connect with internal combustion engine driving unit and electric-motor drive unit by bus communication；And a kind of control method of more power combination drive engineering transportation vehicle controls.The present invention can significantly improve the dynamic property and conevying efficiency of vehicle, shorten the internal combustion engine heavy-duty service time, while braking energy being recycled, and realize energy-saving and emission-reduction.
Description
Technical field
The present invention relates to engineering truck technical fields.It is more particularly related to a kind of more power combination drive engineerings
Transport vehicle control and its control method.
Background technology
Existing hybrid power driving engineering truck is using speed as goal of regulation and control, when engineering truck is in low speed, by preceding
Wheel electric drive system provides power for two front-wheels, on the contrary, power is not provided then, meanwhile, when engineering truck is braked, according to brake pedal
Trample depth signal, judge the operation conditions of engineering truck, as signal fall into represent brake preset range threshold value when, then will before
Motor in wheel electric drive system is converted to generator, realizes energy regenerating.Although aforesaid way improves hair to a certain extent
The fuel efficiency of motivation and the dynamic property of vehicle, but since acutely, speed cannot be real-time for road conditions load variation when engineering truck is run
The load condition for reflecting engine, causes the raising of the fuel efficiency and vehicle dynamic property of engine limited, conevying efficiency is low, together
When, it is higher to vehicle brake request since vehicle inertia is bigger, map motor braking torque, braking recycling with brake pedal
Energy is very limited.
Invention content
It is an object of the present invention to provide a kind of more power combination drive engineering transportation vehicle controls and its controlling parties
Method increases journey motor and driving motor by setting, according to the load condition of internal combustion engine and vehicle speed, control increase journey motor and
The participation opportunity of driving motor and participation depth, make internal combustion engine be in the operation of high-efficiency and economic area, significantly improve the combustion of internal combustion engine
The instantaneous driving force of oily efficiency and vehicle, conevying efficiency is high, meanwhile, braking energy can effectively be recycled, it is really real
Efficient, energy-saving and environmental protection when existing engineering transportation vehicle operation.
In order to realize purposes and other advantages according to the present invention, a kind of more power combination drive engineering transportation vehicles are provided
Control system, including：
Internal combustion engine driving unit provides driving force by internal combustion engine for driving jackshaft and/or driving rear axle；
Electric-motor drive unit comprising increase journey motor, driving motor and power battery, the axle stretch end for increasing journey motor with
The internal combustion engine rear end PTO mouthfuls of mechanical connection, electric energy is converted to by mechanical kinetic energy, and electricity is supplemented for power battery；The driving
The transmission axis connection of the axle stretch end of motor and bridge/driving rear axle before driving, converts the electric energy of power battery to mechanical energy, to drive
Bridge/driving rear axle provides driving force before dynamic；
Entire car controller is connect with the internal combustion engine driving unit and the electric-motor drive unit by bus communication,
The entire car controller is set as：When engine load rate is less than or equal to K1, the vehicle control unit controls internal combustion engine is independent
Output driving power, and control and increase the work of journey motor, it is power battery charging, while judging whole vehicle state, if dead ship condition, then
Control driving motor is stopped, and if driving states, then according to vehicle speed, closed loop adjusts the braking moment of driving motor
Value is power battery charging；When engine load rate is between K1 and K2, wherein K1 ＜ K2, control internal combustion engine individually export
Driving force, driving motor and increasing journey motor are all stopped；When engine load rate is more than or equal to K2, increases journey motor and stop work
Make, if vehicle speed is less than or equal to preset vehicle speed threshold value, the vehicle control unit controls driving motor and internal combustion engine all export
Driving force controls the independent output driving power of internal combustion engine if vehicle speed is more than preset speed threshold value, and driving motor stops work
Make；
Wherein, the internal combustion engine driving unit and the driving force of electric-motor drive unit output do not act on same driving
Bridge.
Preferably, more power combination drive engineering transportation vehicle controls, the internal combustion engine are driving jackshaft
Driving force is provided, the driving motor provides driving force for driving rear axle.
Preferably, more power combination drive engineering transportation vehicle controls, the internal combustion engine pass through gearbox
With the transmission axis connection of driving jackshaft and/or driving rear axle, internal combustion engine ECU is connected with the entire car controller by bus communication
It connects, the entire car controller acquires the real-time running data of the internal combustion engine, by it by obtaining vehicle speed and interior after operation
The numerical information of combustion engine rate of load condensate.
Preferably, more power combination drive engineering transportation vehicle controls, the three-phase electricity for increasing journey motor
Output end is electrically connected by increasing journey electric machine controller with the power battery, and the three-phase electrical input of the driving motor passes through drive
Dynamic electric machine controller is electrically connected with the power battery, the increasing journey electric machine controller and the drive motor controller respectively with
The entire car controller is connected by bus communication, and the entire car controller passes through according to vehicle speed and engine load rate
The increasing journey electric machine controller control increases whether journey motor works, and the driving motor is controlled by the drive motor controller
Output driving power, or braking recover energy.
Preferably, more power combination drive engineering transportation vehicle controls, further include heat-sink unit, packet
Include coolant liquid water tank, the first water pump, the second water pump, radiator and circulating line, first water pump by three-way pipe with it is described
Coolant liquid water tank connects, and first water inlet of the coolant liquid through the first water pump enters circulating line, and followed by driving motor, the
Two water pumps increase journey motor, increase journey electric machine controller, drive motor controller, radiator, then the second water inlet through the first water pump
Mouth is again introduced into circulating line, realizes cycle.
Preferably, more power combination drive engineering transportation vehicle controls, further include high-voltage board distribution list
Member is instructed according to vehicle bus communication by power battery BMS, by controlling low tension loop, is realized to the high-voltage board distribution
The control of unit, the high-voltage board power distribution unit increase journey electric machine controller and drive motor controller to power battery for managing
Between high tension loop high pressure it is electric above and below.
Preferably, more power combination drive engineering transportation vehicle controls, further include external charge mouth,
It is electrically connected by high pressure with the high-voltage board power distribution unit, is connect by bus communication with the power battery BMS.
Preferably, more power combination drive engineering transportation vehicle controls, the bus communication are CAN bus
Communication, wherein the drive motor controller, internal combustion engine ECU pass through between instrument, diagnostics interface and entire car controller
First via CAN bus is connected, and the power battery BMS, increases and leads between journey electric machine controller, external charge mouth and entire car controller
The second tunnel CAN bus is crossed to be connected.
A kind of control method of more power combination drive engineering transportation vehicle controls, entire car controller obtain vehicle in real time
The numerical information of speed and engine load rate,
When engine load rate is less than or equal to K1, the independent output driving power of vehicle control unit controls internal combustion engine, and
Control increases journey motor and works under nominal torque, to power battery electromotive power output, while judging whole vehicle state, if parking shape
State then controls driving motor and is stopped or is servo-actuated, then, will according to the remaining capacity situation of power battery if driving states
Driving motor is set to generating state, and according to vehicle speed, closed loop adjusts drive motor braking torque value, and electricity is exported to power battery
Power；
When engine load rate is between K1 and K2, wherein K1 ＜ K2, the vehicle control unit controls internal combustion engine are independent
Output driving power, driving motor and increasing journey motor are all stopped；
When engine load rate is more than or equal to K2, increases journey motor and be stopped, if vehicle speed is less than or equal to default vehicle
Fast threshold value, then the vehicle control unit controls driving motor output driving power, driving force size and gas pedal trample depth and
Vehicle speed of operation is related, meanwhile, the adaptive output driving power drive vehicle of internal combustion engine, if vehicle speed is more than preset speed
Threshold value, then control the independent output driving power of internal combustion engine, and driving motor is stopped.
Preferably, the control method of more power combination drive engineering transportation vehicle controls, K1 65-
71%, K2 76-82%, speed threshold value are 18km/h.
Preferably, the control method of more power combination drive engineering transportation vehicle controls, works as car key
When being kept off in ON, the first water pump, the second water pump are started to work, and realize that the cycle of coolant liquid, entire car controller acquire driving in real time
Motor and the temperature for increasing journey motor export different rotating speeds according to the fan of the different adjustment radiator of temperature, and then reduce cold
But the temperature of liquid, entire car controller is simultaneously emitted by the actuation of master+contactor, master-contactor is attracted, power generation+contactor is attracted and hair
Electricity-contactor is attracted instruction, and high-voltage board power distribution unit control power battery high pressure powers on, and information is fed back to full-vehicle control
Device carries out charge and discharge so that power battery is in standby for giving driving motor at any time and increasing journey motor；When vehicle key
Spoon pushes OFF from ON gears when keeping off, and the first water pump, the second water pump and radiator stop work work, entire car controller be simultaneously emitted by it is main+
Contactor disconnects, master-contactor disconnects, power generation+contactor disconnects and power generation-contactor open command, high-voltage board power distribution unit
Electricity under power battery high pressure is controlled, power battery and drive motor controller are cut off and increases the voltage between journey electric machine controller.
The beneficial effects of the invention are as follows：The present invention is by being set as driving jackshaft and/or rear axle being driven to provide driving force
Internal combustion engine driving unit and the electric-motor drive unit that driving force is provided for bridge before driving/driving rear axle, realize double dynamical combined drive
It is dynamic, and by the way that entire car controller is arranged, when engine load rate is less than or equal to K1, vehicle control unit controls internal combustion engine is individually defeated
Go out driving force, and control and increase the work of journey motor, is power battery charging, while judging whole vehicle state, if dead ship condition, then controls
Driving motor processed is stopped, and if driving states, then according to vehicle speed, closed loop adjusts the braking moment value of driving motor,
For power battery charging, when engine load rate is between K1 and K2, wherein K1 ＜ K2, control internal combustion engine individually export drive
Power, driving motor and increasing journey motor are all stopped, and when engine load rate is more than or equal to K2, increases journey motor and stop work
Make, if vehicle speed is less than or equal to preset vehicle speed threshold value, the vehicle control unit controls driving motor and internal combustion engine all export
Driving force controls the independent output driving power of internal combustion engine if vehicle speed is more than preset speed threshold value, and driving motor stops work
Make, internal combustion engine is made to be in the operation of high-efficiency and economic area during whole service, significantly improves the fuel efficiency of internal combustion engine, and will
Braking energy effectively recycles, and while increasing vehicle dynamic property, improving conevying efficiency, realizes the energy saving of vehicle and subtracts
Row；Heat-sink unit can to driving motor and its controller, increase journey motor and controller and radiate, and according to motor temperature,
The rotating speed of radiator fan is adjusted, ensures that electric-motor drive unit works in the normal temperature range；High-voltage board power distribution unit can collect
Middle management increases journey electric machine controller and the high pressure of drive motor controller to high tension loop between power battery is electric above and below；It is external to fill
Power port, can external charge stake to power battery charging, be further reduced the fuel consumption of internal combustion engine；The CAN bus of binary channel is logical
Safety and the efficiency of vehicle CAN communication can be improved in news, reduces the bus load of power source order circuit (first via CAN bus)
Rate realizes the communication between the coordination output and other controllers of two kinds of power sources of internal combustion engine and driving motor and data exchange.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structure and principle schematic of control system according to an embodiment of the invention；
Fig. 2 is the coolant liquid cycle schematic diagram of heat-sink unit according to an embodiment of the invention；
Fig. 3 is the network topology schematic diagram of CAN bus communication according to an embodiment of the invention.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is described in further detail, to enable those skilled in the art's reference
Specification word can be implemented according to this.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
The present invention provides a kind of more power combination drive engineering transportation vehicle controls, as shown in Figure 1, including：
Internal combustion engine driving unit provides driving force for driving jackshaft and/or driving rear axle by internal combustion engine, drives jackshaft
And/or rear axle vehicle wheel rotation；
Electric-motor drive unit comprising increase journey motor, driving motor and power battery, the axle stretch end for increasing journey motor with
The internal combustion engine rear end PTO mouthfuls of mechanical connection, electric energy is converted to by mechanical kinetic energy, and electricity is supplemented for power battery；The driving
The transmission axis connection of the axle stretch end of motor and bridge/driving rear axle before driving, converts the electric energy of power battery to mechanical energy, to drive
Bridge/driving rear axle provides driving force before dynamic, bridge/rear axle vehicle wheel rotation before driving；
Entire car controller is connect with the internal combustion engine driving unit and the electric-motor drive unit by bus communication,
The entire car controller is set as：When engine load rate is less than or equal to K1, the vehicle control unit controls internal combustion engine is independent
Output driving power, and control and increase the work of journey motor, it is power battery charging, while judging whole vehicle state, if dead ship condition, then
Control driving motor is stopped, and if driving states, then according to vehicle speed, closed loop adjusts the braking moment of driving motor
Value is power battery charging；When engine load rate is between K1 and K2, wherein K1 ＜ K2, control internal combustion engine individually export
Driving force, driving motor and increasing journey motor are all stopped；When engine load rate is more than or equal to K2, increases journey motor and stop work
Make, if vehicle speed is less than or equal to preset vehicle speed threshold value, the vehicle control unit controls driving motor and internal combustion engine all export
Driving force controls the independent output driving power of internal combustion engine if vehicle speed is more than preset speed threshold value, and driving motor stops work
Make；
Wherein, the internal combustion engine driving unit and the driving force of electric-motor drive unit output do not act on same driving
Bridge, that is, can be internal combustion engine driving unit driving jackshaft and/driving rear axle, bridge before electric-motor drive unit driving, can also be interior
Combustion engine driving unit drives jackshaft, electric-motor drive unit to drive rear axle.
The present invention is by being set as driving jackshaft and/or rear axle being driven to provide the internal combustion engine driving unit of driving force and to drive
Bridge/driving rear axle provides the electric-motor drive unit of driving force before dynamic, realizes double dynamical combination drive；By the way that full-vehicle control is arranged
Device, in low load region, increases journey motor by control and works according to the load condition of internal combustion engine and vehicle speed, electromotive power output,
For power battery charging, meanwhile, according to vehicle speed, closed loop adjusts the braking moment value of driving motor, is power battery charging,
The effective recycling for realizing braking energy participates in output driving power by controlling driving motor, shortens interior in due course in high load region
The time of combustion engine high load capacity work, improve the instantaneous driving force of vehicle, that is, control system of the invention makes internal combustion engine be in height
Economic zone operation is imitated, significantly improves the fuel efficiency of internal combustion engine, and braking energy can effectively be recycled, it is whole increasing
While vehicle dynamic property, raising conevying efficiency, the energy-saving and emission-reduction of vehicle are realized.
In another technical solution, more power combination drive engineering transportation vehicle controls, the internal combustion engine is
Jackshaft is driven to provide driving force, to drive jackshaft vehicle wheel rotation, the driving motor provides driving force for driving rear axle, with driving
Rear axle vehicle wheel rotation.It drives jackshaft, driving motor to drive rear axle by internal combustion engine, the driveability for improving vehicle and behaviour can be improved
Control performance.
In another technical solution, more power combination drive engineering transportation vehicle controls, the internal combustion engine leads to
It crosses gearbox and drives jackshaft and/or drive the transmission axis connection of rear axle, driving is provided for driving jackshaft and/or driving rear axle
Power, to drive jackshaft and/or rear axle vehicle wheel rotation, internal combustion engine ECU is connect with the entire car controller by bus communication, described
Entire car controller acquires the real-time running data of the internal combustion engine, by it by obtaining vehicle speed and engine load after operation
The numerical information of rate, the foundation as judgement vehicle and engine conditions.
In another technical solution, more power combination drive engineering transportation vehicle controls, the increasing journey motor
Three-phase electricity output end be electrically connected with the power battery by increasing journey electric machine controller, the three-phase electricity of the driving motor inputs
End is electrically connected by drive motor controller with the power battery, the increasing journey electric machine controller and driving motor control
Device is connect with the entire car controller by bus communication respectively, and the entire car controller is according to vehicle speed and engine load
Rate is controlled by the increasing journey electric machine controller and increases whether journey motor works, that is, if engine load rate is less than or equal to K1,
Increase the work of journey motor, is power battery charging, it is no, then it does not work；The driving electricity is controlled by the drive motor controller
Machine output driving power, or braking recover energy, that is, if when engine load rate is more than or equal to K2, driving motor output is driven
Power, if engine load rate is less than or equal to K1, and when vehicle speed is more than zero, then according to vehicle speed, closed loop adjusts driving
The braking moment value of motor recycles ability, is power battery charging.
In another technical solution, more power combination drive engineering transportation vehicle controls, as shown in Fig. 2, also
Including heat-sink unit comprising coolant liquid water tank, the first water pump, the second water pump, radiator and circulating line, first water
Pump is connect by three-way pipe with the coolant liquid water tank, and first water inlet of the coolant liquid through the first water pump enters circulating line, and
Followed by driving motor, the second water pump, increase journey motor, increasing journey electric machine controller, drive motor controller, radiator, then
The second water inlet through the first water pump is again introduced into circulating line, realizes cycle.Coolant liquid in coolant liquid water tank is in the first water
Under the action of pump and the second water pump, driving motor is flowed through by circulating line, increases journey motor, increasing journey electric machine controller, driving electricity
Machine controller radiates to it, and radiator can cool down to the coolant liquid in circulating line, improves heat dissipation effect, ensures motor
Driving unit works in the normal temperature range.
In another technical solution, more power combination drive engineering transportation vehicle controls, further include high-voltage board
Power distribution unit is instructed according to vehicle bus communication by power battery BMS, by controlling low tension loop, is realized to the high pressure
The control of cabinet power distribution unit, the high-voltage board power distribution unit increase journey electric machine controller and drive motor controller to moving for managing
The high pressure of high tension loop is electric above and below between power battery.
In another technical solution, more power combination drive engineering transportation vehicle controls further include, external to fill
Power port is electrically connected with the high-voltage board power distribution unit by high pressure, is connect by bus communication with the power battery BMS.
External charge mouth, in power battery not enough power supply, can external charge stake to power battery charging, be further reduced internal combustion engine
Fuel consumption.
In another technical solution, more power combination drive engineering transportation vehicle controls, as shown in figure 3, institute
Bus communication is stated to communicate for CAN bus, wherein the drive motor controller (driving motor MCU), internal combustion engine ECU, instrument,
Diagnostics interface (OBD) is connected between entire car controller by first via CAN bus, the power battery BMS, increases journey electricity
It is connected by the second tunnel CAN bus between machine controller (increasing journey motor MCU), external charge mouth and entire car controller.Binary channel
CAN bus communication safety and the efficiency of vehicle CAN communication can be improved, reducing power source order circuit, (first via CAN is total
Line) total inorganic nitrogen, realize logical between the coordination output and other controllers of two kinds of power sources of internal combustion engine and driving motor
News and data exchange.
The present invention main working process be：Engineering truck starts, starts to walk, and internal combustion engine output driving power is driven by gearbox
Dynamic driving jackshaft and/or driving rear axle, in driving and/or rear axle vehicle wheel rotation；Entire car controller acquires the real-time of internal combustion engine
Operation data, by its numerical information by obtaining vehicle speed and engine load rate after operation, when engine load rate is small
When equal to K1, entire car controller increases the start-up operation of journey motor by increasing the control of journey electric machine controller, by the mechanical energy of internal combustion engine
It is partially converted into electric energy, is power battery charging, meanwhile, entire car controller is according to vehicle speed, if speed is more than zero, will drive
Dynamic motor is converted to generator, and closed loop adjusts the braking moment value of driving motor, converts mechanical energy to electric energy, recover energy,
It controls driving motor if speed is equal to zero for power battery charging and does not work, at this point, driving force is provided separately in internal combustion engine, when
When between engine load rate K1 and K2, wherein K1 ＜ K2, entire car controller is by increasing journey electric machine controller and driving motor control
Device control processed increases journey motor and driving motor is stopped, at this point, driving force is provided separately in internal combustion engine, when engine load rate is big
When equal to K2, entire car controller controls driving motor output driving power by drive motor controller, bridge/rear axle before driving,
With bridge before driving/rear axle vehicle wheel rotation, internal combustion engine and driving motor combination drive are realized, be stopped at this point, increasing journey motor.
A kind of control method of more power combination drive engineering transportation vehicle controls, entire car controller obtain vehicle in real time
The numerical information of speed and engine load rate,
When engine load rate is less than or equal to K1, the independent output driving power of vehicle control unit controls internal combustion engine, and
Control increases journey motor and works under nominal torque, to power battery electromotive power output, while judging whole vehicle state, if parking shape
State then controls driving motor and is stopped or is servo-actuated, then, will according to the remaining capacity situation of power battery if driving states
Driving motor is set to generating state, and according to vehicle speed, closed loop adjusts drive motor braking torque value, and electricity is exported to power battery
Power；
When engine load rate is between K1 and K2, wherein K1 ＜ K2, the vehicle control unit controls internal combustion engine are independent
Output driving power, driving motor and increasing journey motor are all stopped；
When engine load rate is more than or equal to K2, increases journey motor and be stopped, if vehicle speed is less than or equal to default vehicle
Fast threshold value, then the vehicle control unit controls driving motor output driving power, driving force size and gas pedal trample depth and
Vehicle speed of operation is related, meanwhile, the adaptive output driving power drive vehicle of internal combustion engine, if vehicle speed is more than preset speed
Threshold value, then control the independent output driving power of internal combustion engine, and driving motor is stopped.
The control method of the present invention is by engine load rate and vehicle speed, and control increases journey motor and driving motor is in due course
Work makes internal combustion engine be in the operation of high-efficiency and economic area, reduces its average fuel consumption, significantly improve the fuel efficiency of internal combustion engine, together
When, braking energy can effectively be recycled, really realizes efficient, the energy-saving and environmental protection when operation of engineering transportation vehicle.
In another technical solution, the control method of more power combination drive engineering transportation vehicle controls, K1
For 65-71%, K2 76-82%, speed threshold value is 18km/h, and K1, K2 and speed threshold value are controlled within this range, can be made interior
Combustion engine is in high-efficiency and economic area and runs always, and effectively recycles braking energy, significantly improves the dynamic property and conevying efficiency of vehicle,
Realize energy-saving and emission-reduction.
In another technical solution, the control method of more power combination drive engineering transportation vehicle controls, when
When car key is in ON gears, the first water pump, the second water pump are started to work, and realize that the cycle of coolant liquid, entire car controller are real-time
It acquires driving motor and increases the temperature of journey motor, different rotating speeds is exported according to the fan of the different adjustment radiator of temperature, into
And reduce the temperature of coolant liquid, ensure that electric-motor drive unit works in the normal temperature range, entire car controller be simultaneously emitted by it is main+
Contactor is attracted, master-contactor is attracted, power generation+contactor is attracted and power generation-contactor is attracted instruction, high-voltage board power distribution unit
Control power battery high pressure powers on, and information is fed back to entire car controller so that power battery is in standby, for
When to driving motor and increase journey motor carry out charge and discharge；When car key pushes OFF from ON gears keeps off, the first water pump, the second water
Pump and radiator stop work work, and entire car controller is simultaneously emitted by the disconnection of master+contactor, master-contactor disconnects, power generation+contact
Device disconnect and power generation-contactor open command, high-voltage board power distribution unit control power battery high pressure under electricity, cut-out power battery with
Voltage between drive motor controller and increasing journey electric machine controller.
Advantageous effect in order to further illustrate the present invention, by more power combination drive engineering transportation vehicles of the present invention and biography
The actual travel situation of the internal combustion engine driving engineering transportation vehicle of system has carried out contrast experiment, wherein more power mixing of the invention
Drive engineering transportation vehicle using bridge before driving motor driving, the combination drive mode of rear axle, K1 71%, K2 in internal combustion engine driving
It is 81%, speed threshold value is 18km/h, and two vehicles travel on identical road, and driving cycle is haul distance 2.6km, hoisting depth
The long range ramp of 140m, range of grade 8-13% are fully loaded with (complete vehicle quality 55t) and go up a slope, unloaded (complete vehicle quality 22t) descending,
Experimental result see the table below.
| Project | Running time | Average speed |
| To marking vehicle | 620s | 13km/h |
| Test vehicle | 480s | 18.2km/h |
As seen from the above table, the average speed of engineering transportation vehicle of the invention is more than to marking vehicle, illustrates and traditional internal combustion
Machine driving engineering transportation vehicle is compared, the good dynamic property of more power mixed transportation vehicles of the invention, and conevying efficiency is high.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
- The combination drive engineering transportation vehicle control of power more than 1., which is characterized in that including：Internal combustion engine driving unit provides driving force by internal combustion engine for driving jackshaft and/or driving rear axle；Electric-motor drive unit comprising increase journey motor, driving motor and power battery, the axle stretch end for increasing journey motor with it is described PTO mouthfuls of internal combustion engine rear end mechanical connection, electric energy is converted to by mechanical kinetic energy, and electricity is supplemented for power battery；The driving motor Axle stretch end with driving before bridge/driving rear axle transmission axis connection, the electric energy of power battery is converted to mechanical energy, before driving Bridge/driving rear axle provides driving force；Entire car controller is connect with the internal combustion engine driving unit and the electric-motor drive unit by bus communication, described Entire car controller is set as：When engine load rate is less than or equal to K1, the vehicle control unit controls internal combustion engine individually exports Driving force, and control and increase the work of journey motor, it is power battery charging, while judging whole vehicle state, if dead ship condition, then controls Driving motor is stopped, and if driving states, then according to vehicle speed, closed loop adjusts the braking moment value of driving motor, is Power battery charging；When engine load rate is between K1 and K2, wherein K1 ＜ K2 control the independent output driving of internal combustion engine Power, driving motor and increasing journey motor are all stopped；When engine load rate is more than or equal to K2, increases journey motor and is stopped, If vehicle speed is less than or equal to preset vehicle speed threshold value, the vehicle control unit controls driving motor and internal combustion engine all output drivings Power controls the independent output driving power of internal combustion engine, driving motor is stopped if vehicle speed is more than preset speed threshold value；Wherein, the internal combustion engine driving unit and the driving force of electric-motor drive unit output do not act on same drive axle.
- 2. more power combination drive engineering transportation vehicle controls as described in claim 1, which is characterized in that the internal combustion engine Driving force is provided for driving jackshaft, the driving motor provides driving force for driving rear axle.
- 3. more power combination drive engineering transportation vehicle controls as described in claim 1, which is characterized in that the internal combustion engine By the transmission axis connection of gearbox and driving jackshaft and/or driving rear axle, internal combustion engine ECU passes through total with the entire car controller Line communication connection, the entire car controller acquires the real-time running data of the internal combustion engine, by it by obtaining vehicle after operation The numerical information of speed and engine load rate.
- 4. more power combination drive engineering transportation vehicle controls as claimed in claim 3, which is characterized in that the increasing journey electricity The three-phase electricity output end of machine is electrically connected by increasing journey electric machine controller with the power battery, and the three-phase electricity of the driving motor is defeated Enter end to be electrically connected with the power battery by drive motor controller, the increasing journey electric machine controller and the driving motor control Device processed is connect with the entire car controller by bus communication respectively, and the entire car controller is negative according to vehicle speed and internal combustion engine Lotus rate, is controlled by the increasing journey electric machine controller and increases whether journey motor works, and institute is controlled by the drive motor controller Driving motor output driving power is stated, or braking recovers energy.
- 5. more power combination drive engineering transportation vehicle controls as claimed in claim 4, which is characterized in that further include dissipating Hot cell comprising coolant liquid water tank, the first water pump, the second water pump, radiator and circulating line, first water pump pass through three Siphunculus is connect with the coolant liquid water tank, and first water inlet of the coolant liquid through the first water pump enters circulating line, and followed by Driving motor, the second water pump increase journey motor, increase journey electric machine controller, drive motor controller, radiator, then through the first water Second water inlet of pump is again introduced into circulating line, realizes cycle.
- 6. more power combination drive engineering transportation vehicle controls as claimed in claim 4, which is characterized in that further include, it is high Cabinet power distribution unit is pressed, is instructed according to vehicle bus communication by power battery BMS, by controlling low tension loop, is realized to described The control of high-voltage board power distribution unit, the high-voltage board power distribution unit increase journey electric machine controller and drive motor controller for managing High pressure to high tension loop between power battery is electric above and below.
- 7. more power combination drive engineering transportation vehicle controls as claimed in claim 6, which is characterized in that further include, outside Charge port is connect, is electrically connected by high pressure with the high-voltage board power distribution unit, is connected by bus communication with the power battery BMS It connects.
- 8. more power combination drive engineering transportation vehicle controls as claimed in claim 6, which is characterized in that the bus is logical News are that CAN bus communicates, wherein the drive motor controller, internal combustion engine ECU, instrument, diagnostics interface and full-vehicle control It is connected by first via CAN bus between device, the power battery BMS, increases journey electric machine controller, external charge mouth and vehicle control It is connected by the second tunnel CAN bus between device processed.
- The control method of the combination drive engineering transportation vehicle control of power more than 9., which is characterized in that entire car controller obtains in real time The numerical information of rounding vehicle speed and engine load rate,When engine load rate is less than or equal to K1, the independent output driving power of vehicle control unit controls internal combustion engine, and control Increase journey motor to work under nominal torque, to power battery electromotive power output, while judging whole vehicle state, if dead ship condition, It then controls driving motor to be stopped or be servo-actuated, if driving states, then according to the remaining capacity situation of power battery, will drive Motor is set to generating state, and according to vehicle speed, closed loop adjusts drive motor braking torque value, and electric work is exported to power battery Rate；When engine load rate is between K1 and K2, wherein K1 ＜ K2, the vehicle control unit controls internal combustion engine individually export Driving force, driving motor and increasing journey motor are all stopped；When engine load rate is more than or equal to K2, increases journey motor and be stopped, if vehicle speed is less than or equal to preset vehicle speed threshold Value, then the vehicle control unit controls driving motor output driving power, driving force size trample depth and vehicle with gas pedal Speed of operation is related, meanwhile, the adaptive output driving power drive vehicle of internal combustion engine, if vehicle speed is more than preset speed threshold Value, then control the independent output driving power of internal combustion engine, driving motor is stopped.
- 10. the control method of more power combination drive engineering transportation vehicle controls as claimed in claim 9, feature exist In K1 65-71%, K2 76-82%, speed threshold value is 18km/h.
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