CN107399319A - Power control unit, hybrid power system and its control method and cleaning vehicle - Google Patents
Power control unit, hybrid power system and its control method and cleaning vehicle Download PDFInfo
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- CN107399319A CN107399319A CN201710566645.5A CN201710566645A CN107399319A CN 107399319 A CN107399319 A CN 107399319A CN 201710566645 A CN201710566645 A CN 201710566645A CN 107399319 A CN107399319 A CN 107399319A
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Classifications
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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
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
-
- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
-
- 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
- B60W2300/00—Indexing codes relating to the type of vehicle
- B60W2300/17—Construction vehicles, e.g. graders, excavators
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
-
- 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 present invention relates to field of sanitation, discloses a kind of power control unit, hybrid power system and its control method and cleaning vehicle, and the power control unit includes：Mode signal reception device, the operational mode signal inputted for receiving driver；Drive-control system sensor, for detecting transport condition output transport condition signal；Entire car controller, for controlling engine controller and electric machine controller to carry out transition or cleaning according to the mode signal reception device and drive-control system sensor, can be according to the operational order of driver and the working condition of Current vehicle, by entire car controller on the premise of traveling demand, job requirement and traffic safety is ensured, the energy distribution and management of engine, motor and hydraulic accumulator etc. are reasonably carried out, to reach the purpose of optimal fuel economy.
Description
Technical field
The present invention relates to field of sanitation, in particular it relates to a kind of power control unit, hybrid power system and its controlling party
Method, and application have above-mentioned power control unit and hybrid power system cleaning vehicle.
Background technology
It is clearing apparatus that cleaning vehicle increases assistant engine power-transmission system generally on the basis of two class automobile chassises
Power is provided.As shown in figure 1, sustainer driving vehicle traveling, assistant engine are used for cleaning work by hydraulic pump drive
Hydraulic system, wherein, the load of hydraulic system mainly includes box body lifting oil cylinder, suction nozzle lift cylinder, sweeps disk oscillating oil cylinder, sweeps
Table motor, blower motor etc..
The cleaning work system and running gear of cleaning vehicle, can be to vehicles by setting engine to be driven respectively
Driving system and sweep road operating system and control respectively, it is separate with running, each other without interruption.For example, enter in sweeping machine
During row cleaning work, running gear works simultaneously with operating system.And when cleaning vehicle transition transport, then driven by assistant engine
Dynamic action system does not work, and only provides power by sustainer for running gear.
But assistant engine, more using Europe II, the engine of EUROIII Emission Standard, economy, emission performance are poor.And carrying out clearly
, it is necessary to which vehicle is at low speed when sweeping effect, the power of required driving system demand is small, and the operating point of sustainer is positioned at height
Oil consumption area.
The content of the invention
It is an object of the invention to provide a kind of power control unit, the system, which can solve the problem that, avoids assistant engine discharge performance
Difference, the problem of noise is big, while can also avoid powerful sustainer from continuing the rough sledding of low-speed running.
To achieve these goals, the present invention provides a kind of power control unit, including：Mode signal reception device, is used for
Receive the operational mode signal that driver is inputted；Drive-control system sensor, for detecting transport condition output traveling shape
State signal；Entire car controller, for controlling engine control according to the mode signal reception device and drive-control system sensor
Device and electric machine controller processed are to carry out transition or cleaning.
Preferably, the drive-control system sensor includes accelerator pedal stroke sensor and brake-pedal travel senses
Device.
Preferably, the entire car controller includes：Receiving module, transition operation mould is received for slave pattern signal receiver
Formula signal and cleaning operational mode signal, transport condition signal is received from drive-control system sensor；First engine controls
Module, the receiving module is connected, for being started according to the transition operational mode signal and the transport condition signal
Machine torque demand signal；Second engine control module, the receiving module is connected, for according to the cleaning operational mode letter
Number output engine torque demand signal；Motor control module, the receiving module is connected, for running mould according to described clean
Formula signal and the transport condition signal obtain motor torque desired signal.
Preferably, the entire car controller also includes the pilot controller that can control auxiliary drive, the auxiliary control
Device processed includes：First judge module, first engine control module is connected, judges that the engine torque demand signal is
It is no to exceed engine torque capacity；First mixed running module, first judge module is connected, needed in the motor torque
When asking the signal to exceed engine torque capacity, send the first Engine Start Signal and start engine, while send process auxiliary drive
Signal enabling auxiliary drive, with driving cleaning vehicle traveling；First operation module, connects first judge module,
When the engine torque demand signal is not less than engine torque capacity, sends the startup of the first Engine Start Signal and start
Machine, with driving cleaning vehicle traveling；Second judge module, second engine control module and motor control module are connected,
Judge whether the motor torque desired signal exceedes motor torque capacity；Second mixed running module, connection described second are sentenced
Disconnected module, exceed motor torque capacity in the motor torque desired signal, send electric motor starting signal enabling motor, send out simultaneously
Send Auxiliary Drive Signal to start auxiliary drive, with driving cleaning vehicle traveling, and send the second Engine Start Signal
Start engine to drive clearing apparatus；Second operation module, connects second judge module, in the motor torque demand
When signal is not less than motor torque capacity, electric motor starting signal enabling motor is sent to drive cleaning vehicle traveling, and send
Second Engine Start Signal starts engine to drive clearing apparatus.
The present invention also provides a kind of hybrid power system, including engine, purging system and driving system, and the mixing is dynamic
Power-driven system also includes operation and cleans driving switch, controls the clearing apparatus and institute according to the operation cleaning driving switch
Driving system is stated to carry out the transmission system of transition or cleaning.
Preferably, the operation cleans driving switch and cleans gear, low speed cleaning gear and high velocity sweep including traveling gear, idling
Gear.
Preferably, the transmission system includes power coupler and transfer case, and the transfer case, which has, is connected to the hair
The input of motivation, the first output end and the second output end being connected by first clutch with the purging system；It is described dynamic
Mechanical couple has the first coupled output being connected by second clutch with the output end of transfer case second, by the 3rd
The second coupled output that clutch is connected with pump motor, the 3rd coupled output by the 4th clutch and motor connection,
The coupled output being connected with the driving system.
Preferably, the pump motor is connected with accumulator, and the motor connection has battery.
The present invention also provides a kind of control method of hybrid power system, and the control method includes：Road pattern is swept in S1, judgement
Or transition pattern；S21, when sweeping road pattern, judge whether motor torque capacity meets vehicle operation demand torque；S211、
When motor torque capacity meets vehicle operation demand torque, motor driving driving system；S212, it is discontented with when motor torque capacity
During sufficient vehicle operation demand torque, motor drives driving system jointly with pump motor；S22, in transition pattern, judge engine
Whether torque capacity meets vehicle operation demand torque；S221, when engine torque capacity meets vehicle operation demand torque,
Engine driving driving system；S222, when engine torque capacity is unsatisfactory for vehicle operation demand torque, engine driving row
System is sailed, engine drives driving system jointly with pump motor.
The present invention also provides a kind of cleaning vehicle, is provided with the cleaning vehicle according to any one in above-mentioned technical proposal
Power control unit described in, or the hybrid power system according to any one in above-mentioned technical proposal is installed.
Pass through above-mentioned technical proposal, can be according to driving using power control unit of the present invention, hybrid power system
The operational order of member and the working condition of Current vehicle, traveling demand, job requirement and row are being ensured by entire car controller
On the premise of car safety, the energy distribution and management of engine, motor and hydraulic accumulator etc. are reasonably carried out, to reach optimal
The purpose of fuel economy.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the flow chart of the control method of hybrid power system of the present invention.
Fig. 2 is the structural representation of hybrid power system of the present invention.
Description of reference numerals
The purging system of 10 engine 20
21 clearing apparatus load 22 gear pumps
The power coupler of 30 driving system 40
The second clutch of 51 first clutch 52
The clutch of 53 the 3rd clutch 54 the 4th
The accumulator of 60 pump motor 61
The battery of 70 motor 71
80 transfer cases
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used typically refers to
Upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to the inside and outside of the profile relative to each part in itself.
The invention provides a kind of power control unit, the power control unit includes：Mode signal reception device, for connecing
Receive the operational mode signal that driver is inputted；Drive-control system sensor, for detecting transport condition output transport condition
Signal；Entire car controller, for according to the mode signal reception device and the control engine control of drive-control system sensor
Device and electric machine controller are to carry out transition or cleaning.
Can be according to the operational order of driver and the work shape of Current vehicle using power control unit of the present invention
Condition, by entire car controller on the premise of traveling demand, job requirement and traffic safety is ensured, reasonably started
The energy distribution and management of mechanical, electrical machine and hydraulic accumulator etc., to reach the purpose of optimal fuel economy.Due to full-vehicle control
Device can judge the operational mode required for currently cleaning vehicle according to the instruction of driver, between driver and entire car controller
Interaction can be carried out with various human-computer interaction devices, to input operational mode signal to mode signal reception device, such as run
Clean driving switch, operation panel etc..
Drive-control system sensor can include applying to be used to detect travel speed, detection riding manipulation ginseng in vehicle
Several various sensors, preferably include accelerator pedal stroke sensor and brake-pedal-travel sensor and opened with obtaining gas pedal
Spend signal and brake pedal brake signal.Above-mentioned detection device and Cleaning Principle are similar to prior art, in order to not obscure this
The protection domain of invention, will not be repeated here.
As a kind of embodiment of the present invention, the entire car controller includes：Receiving module, believe for slave pattern
Number receiver receives transition operational mode signal and cleans operational mode signal, and traveling shape is received from drive-control system sensor
State signal；First engine control module, the receiving module is connected, for according to the transition operational mode signal and described
Transport condition signal obtains engine torque demand signal；Second engine control module, the receiving module is connected, for root
According to the cleaning operational mode signal output engine torque demand signal；Motor control module, the receiving module is connected, used
According to the cleaning operational mode signal and transport condition signal acquisition motor torque desired signal.
The entire car controller utilizes obtains operational mode signal that driver inputted to judge to work as from receiving module device
Preceding operational mode, the running status can be including at least transition transport condition and clean state.State and can is wherein cleaned to reach
It is a variety of that idling cleaning state, low speed cleaning state, high velocity sweep state etc. are divided into according to factors such as the states of ground.
Specifically, idling clean state be purging system without operation, apply of short duration termination in cleaning process etc.
Situation.Low speed cleans state and requires relatively low road surface suitable for cleaning, and the cleaning of high velocity sweep state requires higher road surface.Example
Such as, above-mentioned three kinds of cleanings state can be corresponding with engine speed 700rpm, 1000rpm, 1500rpm respectively.
When entire car controller judges present mode of operation for transition Transportation Model, entire car controller reception gas pedal,
Brake pedal opening amount signal, motor not operating instruction signal is sent using the first engine control module and to electric machine controller,
First engine control module turns after being analyzed and processed according to gas pedal opening amount signal and brake pedal brake signal etc.
Engine torque demand signal is changed to, and the signal can be delivered on engine controller and drive engine.
When entire car controller judges present mode of operation for cleaning modes, entire car controller receives gas pedal, braking
Pedal opening signal, using the second engine control module and motor control module, second engine control module can
It is special according to the output of engine according to gas pedal opening amount signal and brake pedal brake signal and specific cleaning status signal
The best operating point of linearity curve and universal characteristic curve matching engine, calculate the speed demand signal and torque-demand of engine
Signal, and the signal can be delivered on engine controller and drive engine.
Motor control module turns after being analyzed and processed according to gas pedal opening amount signal and brake pedal brake signal etc.
The demand dtc signal of motor is exchanged for, and transmits the signal to electric machine controller motor.
In addition, in order to reliably ensure that vehicle has enough starting torque, power control unit of the invention also includes
Auxiliary drive, pilot controller can be provided with the auxiliary drive.Specifically the pilot controller includes first
Judge module, first engine control module is connected, judges whether the engine torque demand signal exceedes engine
Torque capacity；First mixed running module, first judge module is connected, exceed hair in the engine torque demand signal
During motivation torque capacity, send the first Engine Start Signal and start engine, while send Auxiliary Drive Signal and start auxiliary
Drive device, with driving cleaning vehicle traveling；First operation module, connects first judge module, turns in the engine
When square desired signal is not less than engine torque capacity, sends the first Engine Start Signal and start engine, to drive cleaning
Vehicle travels；Second judge module, second engine control module and motor control module are connected, judge that the motor turns
Whether square desired signal exceedes motor torque capacity；Second mixed running module, second judge module is connected, in the electricity
Machine torque demand signal exceedes motor torque capacity, sends electric motor starting signal enabling motor, while send Auxiliary Drive Signal
Start auxiliary drive, with driving cleaning vehicle traveling, and send the second Engine Start Signal and start engine to drive
Dynamic clearing apparatus；Second operation module, connects second judge module, in the motor torque desired signal not less than motor
During torque capacity, electric motor starting signal enabling motor is sent to drive cleaning vehicle traveling, and send the second engine start
Signal enabling engine is to drive clearing apparatus.
Due to being provided with auxiliary drive, it can be ensured that the torque needed for vehicle start.When engine power or electricity
Acc power configure it is smaller and when being not enough to provide required torque during vehicle start, utilize process auxiliary drive controller to open accumulation of energy
The control valve of device 61, driving vehicle is combined by accumulator 61 and engine 10 or motor 70.In addition, the accumulator 61 can utilize
In vehicle deceleration and braking, engine is closed, preferentially gives the accumulation of energy of accumulator 61.Further, dump energy also passes through generating
Machine is converted into electrical power storage in battery 71.
In addition it is possible to during vehicle to run is cleaned, the rotating speed of engine is detected in real time using speed probe,
The tach signal is input to entire car controller, then can be by whole when the deviation of the actual speed and setting speed is more than threshold values
Vehicle controller automatically adjusts the discharge capacity of pump motor according to preset value, so as to avoid engine from falling speed.
By foregoing description, it can solve the problem that assistant engine discharges in prototype vehicle using entire car controller of the present invention
The problem of poor performance, big noise, while can also avoid the rough sledding of the lasting low-speed running of powerful sustainer.And
And in the case where the entire car controller can ensure different operational modes, engine, electric machine operation state are good, not only realize cleaning
The functional requirement of vehicle, also effectively increase the fuel consumption and emission performance of vehicle.
As shown in Fig. 2 the present invention also provides a kind of hybrid power system, including engine 10, purging system 20 and traveling
System 30, the hybrid power system, which also includes running, to be cleaned driving switch, cleans driving switch control clearly according to the operation
Sweeping device 20 and driving system 30 are to carry out the transmission system of transition or cleaning.
Specifically, operation cleans driving switch and cleans gear, low speed cleaning gear and high velocity sweep gear including traveling gear, idling.
Clearing apparatus 20 and driving system 30 are controlled because transmission system cleans driving switch according to the operation.Therefore, compared to tradition
Cleaning vehicle operation system only has a gear, and rotation speed of fan, brush rotating speed immobilize during work.Operation area can not be directed to
Clean-up performance carries out effective and reasonable cleaning.Hybrid power system of the present invention can be utilized down by setting up cleaning gear
Control method is stated, or above-mentioned entire car controller is set, reasonable distribution effectively is carried out to power, realizes different cleaning gears
Power demand.Meanwhile hybrid power system of the present invention avoids hybrid power cleaning vehicle high gear traveling always, improves
VE Vehicle Economy, it have also been enlarged the scope of application of hybrid power cleaning car.
On the basis of above-mentioned technical proposal, the transmission system includes power coupler 40 and transfer case 80, described point
Dynamic case 80 has the input for being connected to the engine 30, the first output end and by first clutch 51 and described clean
Second output end of the connection of system 20；The power coupler 40 has defeated by second clutch 52 and the transfer case 80 second
The first coupled output for going out end connection, the second coupled output being connected by the 3rd clutch 53 with pump motor 60, pass through
The 3rd coupled output that 4th clutch 54 is connected with motor 70, and the coupled output being connected with driving system 30.
Transmission system of the present invention eliminates the assistant engine in prototype vehicle, keeps lifting mechanism type of drive constant,
And pass through power coupler, clutch using engine, motor so that parallel way is connected with power coupler and carries out power supply
The powershift of cleaning vehicle driving system and purging system is completed in the cooperation of device etc., is driven when realizing transition operation by engine
Dong Hang mechanisms, walking mechanism, motor driven operator structure are driven by motor during cleaning work.
In addition, hybrid power system of the present invention can use will than engine of the prior art and power of motor
It is small, being short of power when preferably supplementing vehicle launch by the grade hydraulic pressure of pump motor 60 process auxiliary drive, go up a slope.Further preferred pump horse
Accumulator 61 is connected with up to 60, the motor 70 is connected with battery 71.On startup, engine or motor are preferentially to storage for vehicle
The energy accumulation of energy of device 61 so that accumulator 61 reaches service pressure, ensures the stability of vehicle traveling.When accelerating to climb, energy
It is enough that its type of drive is determined according to parameters such as traffic information, energy storage pressure, battery SOCs, keep engine to be operated in optimal shape
State.When slowing down and descending, pump motor is in pump work state and braking kinetic energy is converted into hydraulic energy storage, and motor, which absorbs, to be started
Machine and power transmission shaft idling power, charge a battery, reach energy-conservation purpose.
In addition, as shown in figure 1, the present invention also provides the control method of hybrid power system, this method includes：S1, judgement
Sweep road pattern or transition pattern；S21, when sweeping road pattern, judge whether motor torque capacity meets that vehicle operation demand turns
Square；S211, when motor torque capacity meets vehicle operation demand torque, motor driving driving system 30；S212, when motor most
When big torque is unsatisfactory for vehicle operation demand torque, motor drives driving system 30 jointly with pump motor；S22, in transition pattern
When, judge whether engine torque capacity meets vehicle operation demand torque；S221, when engine torque capacity meet vehicle transport
During row demand torque, engine driving driving system 30；S222, it is unsatisfactory for vehicle operation demand torque when engine torque capacity
When, engine driving driving system 30, engine drives driving system 30 jointly with pump motor.
Specifically, described with reference to power control unit and hybrid power system, in step S211, the second operation module is defeated
Go out electric motor starting signal and the second Engine Start Signal, meanwhile, control first clutch 51, the 4th clutch 54 combine, the
Two clutches 52, the 3rd clutch 53 disconnect.
In step S212, the second mixed running module output motor enabling signal, the second Engine Start Signal and use
In the Auxiliary Drive Signal of the folding of the control valve of control accumulator 61, meanwhile, control first clutch 51, the 3rd clutch
53rd, the 4th clutch 54 combines, and second clutch 52 disconnects.
In step 221, the first operation module exports the first Engine Start Signal, meanwhile, control second clutch 52
With reference to first clutch 51, the 3rd clutch 53, the 4th clutch 54 disconnect.
In step 222, the first mixed running module exports the first Engine Start Signal and for controlling accumulator 61
Control valve folding Auxiliary Drive Signal, meanwhile, control second clutch 52, the 3rd clutch 53 combine, the first clutch
Device 51, the 4th clutch 54 disconnect.
The present invention also provides a kind of cleaning vehicle, is provided with the cleaning vehicle dynamic according to above-mentioned technical proposal
Force control device, or the hybrid power system according to above-mentioned technical proposal is installed.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. power control unit, it is characterised in that including：Mode signal reception device, the operational mode signal inputted for receiving driver；Drive-control system sensor, for detecting transport condition output transport condition signal；Entire car controller, for controlling engine controller according to the mode signal reception device and drive-control system sensor With electric machine controller to carry out transition or cleaning.
- 2. power control unit according to claim 1, it is characterised in that the drive-control system sensor includes oil Door PTS and brake-pedal-travel sensor.
- 3. power control unit according to claim 1, it is characterised in that the entire car controller includes：Receiving module, receive transition operational mode signal for slave pattern signal receiver and clean operational mode signal, from row Sail control system sensor and receive transport condition signal；First engine control module, the receiving module is connected, for according to the transition operational mode signal and the row Sail status signal and obtain engine torque demand signal；Second engine control module, the receiving module is connected, for starting according to the cleaning operational mode signal output Machine torque demand signal；Motor control module, the receiving module is connected, for according to the cleaning operational mode signal and the transport condition Signal obtains motor torque desired signal.
- 4. power control unit according to claim 3, it is characterised in that the entire car controller also includes controlling The pilot controller of auxiliary drive, the pilot controller include：First judge module, first engine control module is connected, judges whether the engine torque demand signal surpasses Cross engine torque capacity；First mixed running module, first judge module is connected, exceedes engine in the engine torque demand signal During torque capacity, send the first Engine Start Signal and start engine, while send Auxiliary Drive Signal and start process auxiliary drive Device, with driving cleaning vehicle traveling；First operation module, connects first judge module, in the engine torque demand signal not less than engine most During big torque, send the first Engine Start Signal and start engine, with driving cleaning vehicle traveling；Second judge module, second engine control module and motor control module are connected, judge that the motor torque needs Ask whether signal exceedes motor torque capacity；Second mixed running module, second judge module is connected, it is maximum to exceed motor in the motor torque desired signal Torque, electric motor starting signal enabling motor is sent, while send Auxiliary Drive Signal and start auxiliary drive, to drive cleaning Vehicle travels, and sends the second Engine Start Signal and start engine to drive clearing apparatus；Second operation module, connects second judge module, turns in the motor torque desired signal not less than motor maximum During square, electric motor starting signal enabling motor is sent to drive cleaning vehicle traveling, and send the second Engine Start Signal and open Engine is moved to drive clearing apparatus.
- 5. a kind of hybrid power system, including engine (10), purging system (20) and driving system (30), it is characterised in that The hybrid electric drive system controls described clear also including operation cleaning driving switch, according to the operation cleaning driving switch Sweeping device (20) and the driving system (30) are to carry out the transmission system of transition or cleaning.
- 6. hybrid power system according to claim 5, it is characterised in that the operation, which cleans driving switch, includes traveling Gear, idling clean gear, low speed cleans gear and high velocity sweep gear.
- 7. hybrid power system according to claim 5, it is characterised in that the transmission system includes power coupler (40) and transfer case (80),The transfer case (80) has the input for being connected to the engine (30), the first output end and passes through first clutch (51) the second output end being connected with the purging system (20)；The power coupler (40) has what is be connected by second clutch (52) with the output end of transfer case (80) second First coupled output, the second coupled output being connected by the 3rd clutch (53) with pump motor (60), by the 4th from The 3rd coupled output that clutch (54) is connected with motor (70), and the coupled output being connected with the driving system (30).
- 8. hybrid power system according to claim 5, it is characterised in that the pump motor (60) is connected with accumulator (61), the motor (70) is connected with battery (71).
- 9. a kind of control method of hybrid power system, it is characterised in that the control method includes：Road pattern or transition pattern are swept in S1, judgement；S21, when sweeping road pattern, judge whether motor torque capacity meets vehicle operation demand torque；S211, when motor torque capacity meets vehicle operation demand torque, motor driving driving system (30)；S212, when motor torque capacity is unsatisfactory for vehicle operation demand torque, motor and pump motor drive driving system jointly (30)；S22, in transition pattern, judge whether engine torque capacity meets vehicle operation demand torque；S221, when engine torque capacity meets vehicle operation demand torque, engine driving driving system (30)；S222, when engine torque capacity is unsatisfactory for vehicle operation demand torque, engine driving driving system (30), start Machine drives driving system (30) jointly with pump motor.
- 10. one kind cleaning vehicle, it is characterised in that be provided with the cleaning vehicle according to any one in claim 1-4 Described power control unit, or the hybrid power system according to any one in claim 5-8 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566645.5A CN107399319A (en) | 2017-07-12 | 2017-07-12 | Power control unit, hybrid power system and its control method and cleaning vehicle |
Applications Claiming Priority (1)
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Application publication date: 20171128 |