CN107607329A - Series parallel type hydraulic hybrid dynamic automobile simulation test stand - Google Patents
Series parallel type hydraulic hybrid dynamic automobile simulation test stand Download PDFInfo
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- CN107607329A CN107607329A CN201711000859.2A CN201711000859A CN107607329A CN 107607329 A CN107607329 A CN 107607329A CN 201711000859 A CN201711000859 A CN 201711000859A CN 107607329 A CN107607329 A CN 107607329A
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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
- Y02T10/62—Hybrid vehicles
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Abstract
The present invention provides a kind of series parallel type hydraulic hybrid dynamic automobile simulation test stand, is related to automobile technical field, including stand in kind and real-time emulation system.By controlling the combination that clutch, brake are different in stand in kind, single planetary row configuration can be simulated respectively and preceding planet row+heel row motor increases the series parallel type hydraulic hybrid dynamic automobile for turning round configuration, and every kind of configuration can be achieved engine and open machine pattern, pure hydraulic-driven pattern, joint drive pattern, braking mode and reversing mode.Testing stand provided by the invention can reduce research and development testing expense and the time of series parallel type hydraulic hybrid dynamic automobile, improve simulation accuracy, while can also improve the versatility of hydraulic hybrid dynamic automobile testing stand, reduce integrated cost.
Description
Technical field
The present invention relates to a kind of car test bench, and more precisely, the present invention relates to a kind of series parallel type hydraulic hybrid
Automobile simulation test stand.
Background technology
Technology of Hybrid Electric Vehicle is the energy-saving scheme being widely recognized as at present.Different, the hybrid power vapour according to power source
Car is divided into oily electricity mixing and hydraulic hybrid.Energy storing device of hybrid vehicle requirement can in a short time reclaim and discharge a large amount of work(
Rate, battery are applied on the larger automobile of the quality such as car, lorry and are restricted because power density is relatively low；Hydraulic accumulator
Power density is big, and the application in fields such as city bus, heavy-duty commercial vehicles is more and more extensive.Series parallel type hydraulic hybrid dynamic automobile
The bilingual coupling of the torque rotary speed of engine and wheel can be realized by planetary gear coupling mechanism, neatly moved according to regulating working conditions
The operating point in power source, overall efficiency is higher, therefore the research to the mixed dynamic form gradually increases, and achievement also becomes increasingly abundant.As in
State's Patent publication No is CN 102514474 A, date of publication 2012-06-27, discloses a kind of series parallel type hydraulic hybrid
Automobile dynamic system, the system combine series connection and the advantages of parallel systems, can pass through power dividing device regulation engine
Stabilization of operating point realizes the target of low emission and low oil consumption in economic zone.
The enough cars of hydraulic hybrid vapour are a more complicated mechanical-electrical-hydraulic integration integrated systems, in automobile research early stage,
It if directly building vehicle carries out real train test, can greatly increase cost and construction cycle；All it is difficult to using Computer Simulation
System unit characteristic is embodied completely, it is as a result larger with actual difference.Therefore, in hybrid vehicle research and development early stage, exploitation one
The method that kind fusion calculation machine technology carries out half actual loading test emulation is very necessary.In half actual loading test emulation, to needing
The system core part of some characteristics is probed into using material object, and known features or its performance influence little portion on result of the test
Part, build mathematical modeling using simulation software or graphical physical model replaces, using real time simulator as carrier by under model
It is downloaded to wherein, while utilizes controller control system material object component actuation and acquisition system status signal.Therefore, exploitation is applied to
The simulation test stand of series parallel type hydraulic hybrid dynamic automobile has huge actual application value.Chinese patent publication No. is CN
104535337 A, date of publication 2015-04-22, disclose a kind of hydraulic hybrid simulation test stand, and the testing stand can be with
The road load of different operating modes is simulated, by control valve group and the state of pump/motor, realizes hydraulic-driven, joint driving, regeneration
The switching of the various modes such as braking, experimentation cost is low and is not limited by environmental condition, but the testing stand can only simulate tandem
Hydraulic hybrid dynamic automobile, and the testing stand uses a large amount of hydraulic valve banks, complicated, hydraulic system is relatively inefficient.
The content of the invention
The present invention provides a kind of series parallel type hydraulic hybrid dynamic automobile simulation test stand, can overcome series-parallel connection in the prior art
The shortcomings that costly, time-consuming, computer simulation is not accurate enough during the research and development test of formula hydraulic hybrid dynamic automobile, while also
The dynamical system configuration that hydraulic hybrid dynamic automobile simulation test stand can simulate in the prior art can be overcome single, poor universality
The shortcomings that.
To solve the above problems, the present invention adopts the following technical scheme that：Described series parallel type hydraulic hybrid dynamic automobile is imitated
True testing stand includes stand in kind and real-time emulation system.
Described stand in kind include motor, the first 2/2-way solenoid directional control valve, the second 2/2-way solenoid directional control valve,
3rd 2/2-way solenoid directional control valve, preceding planet row, rear planet row, preceding planet row input shaft, preceding planet row input gear, rear row
Star row input shaft, rear planet row input gear, the first hydraulic pump/motor, the second hydraulic pump/motor, direct current dynamometer, high pressure store
Can device, low pressure accumulator, first shaft coupling, second shaft coupling, the 3rd shaft coupling, the 4th shaft coupling, the 5th shaft coupling, the 6th
Axle device, the 7th shaft coupling, the 8th shaft coupling, C1 clutches, C2 clutches, C3 brakes, the first meshing gear, the second engaging tooth
Wheel, hydraulic control one-way valve, the first hydraulic pipeline, the second hydraulic pipeline, first pressure sensor, second pressure sensor, first turn
Fast torque sensor, the second torque and speed sensorses, the 3rd torque and speed sensorses, the 4th torque and speed sensorses, torsion subtract
Shake device.
Before described preceding planet row is sleeved on planet row input shaft, preceding planet row includes preceding planet row sun gear, moved ahead
Planet rows of planetary wheel before star seniority among brothers and sisters carrier, preceding planet toothrow circle and four structure identicals, preceding planet row sun gear is with moving ahead
Star row's input gear is integral, and preceding planet row input gear often engages with the second meshing gear to be connected；Described rear planet row
It is sleeved on rear planet row input shaft, rear planet row includes rear planet row sun gear, rear planet row planet carrier, rear planet row gear ring
And planet row planetary gear after four structure identicals, rear planet row sun gear are integral with rear planet row input gear, after
Planet row input gear is often engaged with the first meshing gear and is connected.
The a ends of described C1 clutches are coaxially connected with rear planet row input shaft, and b ends are coaxially solid with rear planet row planet carrier
Even；The a ends of described C2 clutches are coaxially connected with rear planet row input gear, and b ends are coaxially connected with rear planet row input shaft；
The fixing end of described C3 brakes is connected with frame, and turning end is coaxially connected with rear planet row gear ring.
The P ports of the first described 2/2-way solenoid directional control valve, A ports respectively with the second hydraulic pipeline, fluid-control one-way
K ports (control port) connection of valve；The P ports of the second described 2/2-way solenoid directional control valve, A ports respectively with the second liquid
The P2 ports connection of pressure pipeline, hydraulic control one-way valve, the P1 ports of hydraulic control one-way valve are connected with a ports of the second hydraulic pump/motor；
The P ports of the 3rd described 2/2-way solenoid directional control valve, A ports respectively with the second hydraulic pipeline, the first hydraulic pump/motor
A ports connect；The oil-out of described high pressure accumulator is connected with the second hydraulic pipeline, the oil-out of low pressure accumulator and first
Hydraulic pipeline connects；The b ports of the first described hydraulic pump/motor, the b ports of the second hydraulic pump/motor with the first hydraulic pressure
Pipeline connects.
Described real-time emulation system by controller, dSPACE simulators and upper structure into；Controller and stand in kind
Connected by electric wire, controller is connected with dSPACE simulators by electric wire, and host computer passes through Ethernet with dSPACE simulators
Line connects.
Controller described in technical scheme is connected with stand in kind by electric wire to be referred to：
First pressure sensor, second pressure sensor, the first torque and speed sensorses, second in described stand in kind
Torque and speed sensorses, the 3rd torque and speed sensorses, the 4th torque and speed sensorses by electric wire respectively with controller
EAD00 terminals, EAD01 terminals, EAD02 terminals, EAD03 terminals, EAD04 terminals, the connection of EAD05 terminals；Described platform in kind
The control terminal of motor, the displacement control terminal of the first hydraulic pump/motor, the displacement control end of the second hydraulic pump/motor in frame
Son, the control terminal of C1 clutches, the control terminal of C2 clutches, the control terminal of C3 brakes, the first 2/2-way electromagnetism
The control terminal of reversal valve, the second 2/2-way solenoid directional control valve control terminal, the 3rd 2/2-way solenoid directional control valve control
The control terminal of terminal and direct current dynamometer processed passes through the electric wire LA00 terminals, LA01 terminals, LA02 ends with controller respectively
Son, the connection of LA03 terminals, LA04 terminals, LA05 terminals, LA06 terminals, LA07 terminals, LA08 terminals, LA09 terminals.
The left and right ends of the first torque and speed sensorses described in technical scheme pass through first shaft coupling, second shaft coupling
Coaxially connected with motor, torsional vibration damper respectively, torsional vibration damper is same by preceding planet row input shaft with front planetary line
Axis connection；Ranked respectively with rear planet by the 3rd shaft coupling, the 4th shaft coupling the left and right ends of second torque and speed sensorses
Carrier, direct current dynamometer are coaxially connected；3rd torque and speed sensorses left and right ends pass through the 5th shaft coupling, the 6th shaft coupling point
It is not coaxially connected with the first hydraulic pump/motor, the first meshing gear；4th torque and speed sensorses left and right ends pass through the 8th
Axle device, the 7th shaft coupling are coaxially connected with the second hydraulic pump/motor, the second meshing gear respectively.
First pressure sensor described in technical scheme is arranged on the second hydraulic pipeline, the installation of second pressure sensor
On the first hydraulic pipeline；Described preceding planet row input shaft is vertical with the periphery of front planetary line to be coaxially connected；Institute
The preceding planet toothrow circle stated coaxially is connected with rear planet row input shaft.
Compared with prior art the beneficial effects of the invention are as follows：
1. series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used for series parallel type hydraulic hybrid
Automobile development, it is possible to increase efficiency of research and development, shorten the R＆D cycle.
2. series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention couples suitable for different planetary gears
The development experiments of the series parallel type hydraulic hybrid dynamic automobile of mechanism structure form, there is certain versatility, experiment can be reduced
Cost.
3. series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention can simulate real vehicle operating condition and
Series parallel type hydraulic hybrid dynamic automobile difference running status, compared with pure software analogue simulation, improve the authenticity of test with
Accuracy.
Brief description of the drawings
Below to reference to accompanying drawing, the present invention is further illustrated：
Fig. 1 is series parallel type hydraulic hybrid dynamic automobile simulation test stand structure composition schematic diagram of the present invention；
Fig. 2 is the horse structure in kind composition in series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention
Schematic diagram；
Fig. 3 is the mixed of series parallel type hydraulic hybrid dynamic automobile simulation test stand simulation single planetary row configuration of the present invention
C1 clutches, C2 clutches, C3 brake status figures during connection formula hydraulic hybrid dynamic automobile；
Fig. 4 is planet row+heel row horse before series parallel type hydraulic hybrid dynamic automobile simulation test stand simulation of the present invention
Up to the C3 brake status figures during series parallel type hydraulic hybrid dynamic automobile for increasing torsion configuration；
In Fig. 1, I, material object stands, II, real-time emulation systems, 37. controllers, 42.dSPACE simulators, 43. host computers；
In Fig. 2,1. motors, 2. first shaft couplings, 3. first torque and speed sensorses, 4. second shaft couplings, 5. reverse subtract
Shake device, planet row input gear before 6., planet row sun gear before 7., 8. front planetary lines, planet toothrow circle before 9., and 10.
Preceding planet row input shaft, planet row input shaft after 11., planet row input gear after 12., planet row sun gear after 13., after 14.
Planet row planetary gear, planet row gear ring after 15., planet row planet carrier after 16., 17.C1 clutches, 18.C2 clutches, 19.
Three shaft couplings, 20. second torque and speed sensorses, 21. the 4th shaft couplings, 22. direct current dynamometers, 23. first hydraulic pumps/horse
Reach, 24. the 5th shaft couplings, 25. the 3rd torque and speed sensorses, 26. the 6th shaft couplings, 27. first meshing gears, 28. second
Meshing gear, 29. the 7th shaft couplings, 30. the 4th torque and speed sensorses, 31. the 8th shaft couplings, 32. second hydraulic pumps/horse
Reach, 33. high pressure accumulators, 34. low pressure accumulators, 35. first hydraulic pipelines, 36. second hydraulic pipelines, 37. controllers, 38.
Hydraulic control one-way valve, 39. first 2/2-way solenoid directional control valves, 40. first pressure sensors, 41. second pressure sensors, 44.
Preceding planet rows of planetary wheel, 45.C3 brakes, 46. second 2/2-way solenoid directional control valves, 47. the 3rd 2/2-way electromagnetic switch
Valve.
Embodiment
The present invention is explained in detail below in conjunction with the accompanying drawings：
Refering to accompanying drawing 1, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention include stand I in kind and
Real-time emulation system II；Described real-time emulation system II is made up of controller 37, dSPACE simulators 42 and host computer 43.
Described dSPACE simulators 42 are that one kind integrates Control System Design, performance test and HWIL simulation
Multifunctional platform, including hardware components and software section.Wherein, hardware components refer mainly to data message processing board and
Hardware interface, is mainly used in operation, the signal transmission of real-time simulation program, and produces interruption when necessary；Software section includes
Control software ControlDesk and analog hardware interface RTI.ControlDesk is then arranged in host computer 43, for registering control
Making sheet card and visual management, and the vehicle physical model in real-time monitoring dSPACE simulators 42 are carried out to system.
RTI is converted into the annexation between the control algolithm in simulation model and automobile mathematical modeling the I/O passes in RTI storehouses
System, and its corresponding parameter is configured.
The described model HY-TTC200-CD-538K-2.4M-WD00-000 of controller 37.The controller is 32 controls
Device processed, there is 448KBFLASH, 26KBRAM, all the way two-way CAN, LIN and RS-232 interface；The software section of controller 37
MPC555 and TTCDownloader is arranged in host computer 43 together with simulation software MATLAB/Simulink, in MATLAB/
.s19 format code files are generated after the testing stand control algolithm compiling built in Simulink, through TTCDownloader burnings
Into controller 37.Connected between the AD mouths of controller 37 and the DA mouths of dSPACE simulators 42 by electric wire, so as to realize
The analog signal of vehicle physical model is transmitted to controller 37 in dSPACE simulators 42, and receives the output control of controller 37
Signal.
Refering to accompanying drawing 2, described stand I in kind include motor 1, the first 2/2-way solenoid directional control valve 39, the second two
Two electric change valves 46, the 3rd 2/2-way solenoid directional control valve 47, preceding planet row, rear planet row, preceding planet row input shaft 10,
Preceding planet row input gear 6, rear planet row input shaft 11, rear planet row input gear 12, the first hydraulic pump/motor 23, second
Hydraulic pump/motor 32, direct current dynamometer 22, high pressure accumulator 33, low pressure accumulator 34, first shaft coupling 2, second shaft coupling 4,
3rd shaft coupling 19, the 4th shaft coupling 21, the 5th shaft coupling 24, the 6th shaft coupling 26, the 7th shaft coupling 29, the 8th shaft coupling
31st, C1 clutches 17, C2 clutches 18, C3 brakes 45, the first meshing gear 27, the second meshing gear 28, hydraulic control one-way valve
38th, the first hydraulic pipeline 35, the second hydraulic pipeline 36, first pressure sensor 40, second pressure sensor 41, the first rotating speed turn
Square sensor 3, the second torque and speed sensorses 20, the 3rd torque and speed sensorses 25, the 4th torque and speed sensorses 30, torsion
Shock absorber 5.
Refering to accompanying drawing 2, described controller 37 is to the running state monitoring of stand I in kind and sends control command, for controlling
The torque rotary speed of motor 1 processed, the combination of C1 clutches 17, C2 clutches 18 and C3 brakes 45 with separating, the first hydraulic pump/
The displacement value of motor 23, the second hydraulic pump/motor 32, the load of direct current dynamometer 22 or loading moment and rotating speed, the first two
The opening and closing of two electric change valves 39, the second 2/2-way solenoid directional control valve 46 and the second 2/2-way solenoid directional control valve 47.
First pressure sensor 40, second pressure sensor 41,3, second turns of the first torque and speed sensorses in described stand in kind I
Fast torque sensor 20, the 3rd torque and speed sensorses 25, the 4th torque and speed sensorses 30 by electric wire respectively with controller
37 EAD00 terminals, EAD01 terminals, EAD02 terminals, EAD03 terminals, EAD04 terminals, the connection of EAD05 terminals；The control of motor 1
Terminal processed, the displacement control terminal of the first hydraulic pump/motor 11, the displacement control terminal of the second hydraulic pump/motor 16, C1 clutches
The control terminal of device 17, the control terminal of C2 clutches 18, the control terminal of C3 brakes 45, the first 2/2-way electromagnetic switch
The control terminal of valve 39, the control terminal of the second 2/2-way solenoid directional control valve 46, the 3rd 2/2-way solenoid directional control valve 47
The control terminal of control terminal and direct current dynamometer 22 by electric wire respectively the LA00 terminals with controller, LA01 terminals,
LA02 terminals, LA03 terminals, LA04 terminals, LA05 terminals, LA06 terminals, the connection of LA07, LA08, LA09 terminal.
Refering to accompanying drawing 2, before preceding planet row is sleeved on planet row input shaft 10, preceding planet row includes preceding planet row sun gear
7th, planet rows of planetary wheel 44 before front planetary line 8, preceding planet toothrow circle 9 and four structure identicals, four structure phases
Same preceding planet rows of planetary wheel 44 is distributed on the circumference away from radiuses such as the axiss of rotation of front planetary line 8, and the two is rotation
Connection, the axis of rotation of each preceding planet rows of planetary wheel 44 and the axis of rotation of front planetary line 8 are parallel, each preceding planet row
The internal tooth of the outside of planetary gear 44 and preceding planet toothrow circle 9 engages, and the inner side of each preceding planet rows of planetary wheel 44 and preceding planet row are too
The engagement of sun wheel 7；Preceding planet row sun gear 7 is integral with preceding planet row input gear 6, preceding planet row input gear 6 and second
The often engagement connection of meshing gear 28.Planet row is sleeved on rear planet row input shaft 11 afterwards, and rear planet row includes rear planet row too
Planet row planetary gear 14 after sun wheel 13, rear planet row planet carrier 16, rear planet row gear ring 15 and four structure identicals, four
Planet row planetary gear 14 is distributed on the circumference away from radiuses such as the rear axiss of rotation of planet row planet carrier 16 after structure identical, the two
For rotation connection, the axis of rotation of each rear planet row planetary gear 14 and the axis of rotation of rear planet row planet carrier 16 are parallel, respectively
The internal tooth of the outside of planet row planetary gear 14 and rear planet row gear ring 15 engages afterwards, and the inner side of each rear planet row planetary gear 14 is with after
Planet row sun gear 13 engages；Planet row sun gear 13 is integral with rear planet row input gear 12 afterwards, rear planet row input
Gear 12 often engages connection with the first meshing gear 27.The periphery of preceding planet row input shaft 10 and front planetary line 8 hangs down
Straight coaxial connected, preceding planet toothrow circle 9 is coaxially connected with rear planet row input shaft 11.
Refering to accompanying drawing 2, a ends of C1 clutches 17 are coaxially connected with rear planet row input shaft 11, b ends and rear planet rows of planetary
Frame 16 is coaxially connected；The a ends of C2 clutches 18 are coaxially connected with rear planet row input gear 12, b ends and rear planet row input shaft
11 is coaxial connected；The fixing end of C3 brakes 45 is connected with frame, and turning end is coaxially connected with rear planet row gear ring 15.Planet afterwards
Row's input shaft 11 is achieved a fixed connection or is kept completely separate by C1 clutches 17 with rear planet row planet carrier 16, rear planet row input
Axle 11 is achieved a fixed connection or is kept completely separate by C2 clutches 18 with rear planet row input gear 12, rear planet row gear ring 15 with
Frame is achieved a fixed connection or is kept completely separate by C3 brakes 45.
Refering to accompanying drawing 2, the P ports of the first 2/2-way solenoid directional control valve 39, A ports respectively with the second hydraulic pipeline 36,
K ports (control port) connection of hydraulic control one-way valve 38；The P ports of second 2/2-way solenoid directional control valve 46, A ports respectively with
The P2 ports connection of second hydraulic pipeline 36, hydraulic control one-way valve 38, P1 ports and the second hydraulic pump/motor of hydraulic control one-way valve 38
32 a ports connection；The P ports of 3rd 2/2-way solenoid directional control valve 47, A ports respectively with the second hydraulic pipeline 36, first
The a ports connection of hydraulic pump/motor 23；The oil-out of high pressure accumulator 33 is connected with the second hydraulic pipeline 36, low pressure accumulator
34 oil-out is connected with the first hydraulic pipeline 35；The b ports of first hydraulic pump/motor 23, the b of the second hydraulic pump/motor 32
Port is connected with the first hydraulic pipeline 35.
Refering to accompanying drawing 2, the left and right ends of the first torque and speed sensorses 3 are divided by first shaft coupling 2, second shaft coupling 4
Not coaxially connected with motor 1, torsional vibration damper 5, torsional vibration damper 5 passes through preceding planet row input shaft with front planetary line 8
10 is coaxially connected；The left and right ends of second torque and speed sensorses 20 by the 3rd shaft coupling 19, the 4th shaft coupling 21 respectively with
Planet row planet carrier 16, direct current dynamometer 22 are coaxially connected afterwards；The left and right ends of 3rd torque and speed sensorses 25 pass through 5-linked
Axle device 24, the 6th shaft coupling 26 are coaxially connected with the first hydraulic pump/motor 23, the first meshing gear 27 respectively；4th rotating speed turns
Nibbled respectively with the second hydraulic pump/motor 32, second by the 8th shaft coupling 31, the 7th shaft coupling 29 left and right ends of square sensor 30
It is coaxially connected to close gear 28.First pressure sensor 40 is arranged on the second hydraulic pipeline 36, and second pressure sensor 41 is installed
On the first hydraulic pipeline 35.
Refering to accompanying drawing 2, direct current dynamometer 22 both can externally provide load, simulate vapour according to the control signal of controller 37
The road surface input of car in the drive mode, power, the road surface input of simulated automotive in the braking mode can be externally provided again.
Series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention can simulate different planetary gear configurations
Series parallel type hydraulic hybrid dynamic automobile working condition in different modes, 3 describe in detail below in conjunction with the accompanying drawings：
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention can be used for simulating single file
The working condition of the Series-Parallel HEV of star row's configuration in different modes.
C1 clutches 17 and C2 clutches 18 combine, and C3 brakes 45 separate, rear planet row as one entirely through
Planet row input shaft 11 is connected with preceding planet toothrow circle 9 afterwards, therefore whole testing stand regards simulation single planetary row configuration as.
1. engine opens machine pattern
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
The series parallel type hydraulic hybrid dynamic automobile of row's configuration opens the working condition under machine pattern in parking.Under the pattern, controller 37 is sent out
Go out control signal, the discharge capacity for making the first hydraulic pump/motor 23 is zero, and the discharge capacity of the second hydraulic pump/motor 32 is just (0,1) and work
To make in motor condition, the first 2/2-way solenoid directional control valve 39 is in left position, and hydraulic control one-way valve 38 is in the state that two-way circulates, the
Two 2/2-way solenoid directional control valves 46 are in left position, and the 3rd 2/2-way solenoid directional control valve 47 is in upper.High pressure accumulator 33
The high-voltage oil liquid of middle storage is successively by the second hydraulic pipeline 36, the second 2/2-way solenoid directional control valve 46, hydraulic control one-way valve 38
Into a ports of the second hydraulic pump/motor 32, enter the first hydraulic pipeline 35 by the b ports of the second hydraulic pump/motor 32,
Finally flow into low pressure accumulator 34.Hydraulic energy is converted into mechanical energy by the second hydraulic pump/motor 32, and power transmission is passed through successively
8th shaft coupling 31, the 7th shaft coupling 29, the second meshing gear 28, preceding planet row input gear 6, preceding planet row sun gear 7, it is preceding
Planet row planet carrier 8, preceding planet row input shaft 10, torsional vibration damper 5, second shaft coupling 4, the arrival motor 1 of first shaft coupling 2 are defeated
Enter axle.Meanwhile record the input shaft of motor 1 in real time respectively by the first torque and speed sensorses 3, the 4th torque and speed sensorses 30
And rotating speed, the torque value of the output shaft of the second hydraulic pump/motor 32；First pressure sensor 40, second pressure sensor 41 divide
Hydraulic fluid pressure in high pressure accumulator 33, low pressure accumulator 34 is not recorded not in real time.The output signal of controller 37 controls DC power measurement
The loading moment of machine 22, enough loads are provided to preceding planet toothrow circle 9.Pass through the output signal controlled motor 1 of controller 37
Operating point can simulate the starting characteristic of different engines.
2. pure hydraulic-driven pattern
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Arrange working condition of the series parallel type hydraulic hybrid dynamic automobile of configuration under pure hydraulic-driven pattern.Under the pattern, controller 37
Control signal is sent, makes the discharge capacity of the first hydraulic pump/motor 23 for just (0,1) and is operated in motor condition, the second hydraulic pump/horse
Discharge capacity up to 32 is zero, and the first 2/2-way solenoid directional control valve 39 is in right position, and hydraulic control one-way valve 38 is in one-way flow state
(can only from P1 ports to P2 ports), the second 2/2-way solenoid directional control valve 46 be in right position, the 3rd 2/2-way electromagnetic switch
Valve 47 is in bottom.The high-voltage oil liquid stored in high pressure accumulator 33 is successively by the second hydraulic pipeline 36, the 3rd 2/2-way
Solenoid directional control valve 47 enters a ports of the first hydraulic pump/motor 23, enters first by the b ports of the first hydraulic pump/motor 23
Hydraulic pipeline 35, finally flow into low pressure accumulator 34.Hydraulic energy is converted into mechanical energy, power by the first hydraulic pump/motor 23
Successively by the 5th shaft coupling 24, the 6th shaft coupling 26, the first meshing gear 27, after planet row input gear 12, C2 clutches
18th, C1 clutches 17, rear planet row planet carrier 16, the 3rd shaft coupling 19, the 4th shaft coupling 21 reach direct current dynamometer 22.Together
When, by the second torque and speed sensorses 20, the 3rd torque and speed sensorses 25, record direct current dynamometer 22 inputs in real time respectively
Rotating speed, the torque value of axle and the output shaft of the first hydraulic pump/motor 23；First pressure sensor 40, second pressure sensor 41
Record hydraulic fluid pressure in high pressure accumulator 33, low pressure accumulator 34 in real time respectively.It is straight by the control of the output signal of controller 37
Flow the loading moment of dynamometer machine 22 and rotating speed simulates different pavement conditions inputs, obtain different pure hydraulic-driven characteristics.The mould
Under formula, controller 37 does not dally to the output control signal of motor 1, motor 1.Second hydraulic pump/motor 32 is also at idling conditions.
3. combine drive pattern
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Arrange working condition of the series parallel type hydraulic hybrid dynamic automobile of configuration in the case where combining drive pattern.Under the pattern, controller 37 is sent out
Go out control signal, it is just (0~1) the first liquid to make the displacement value of the first hydraulic pump/motor 23 and the second hydraulic pump/motor 32
Pressure pump/motor 23 is operated in motor condition, and the first 2/2-way solenoid directional control valve 39 is in left position, and hydraulic control one-way valve 38 is in double
To circulation status, the second 2/2-way solenoid directional control valve 46 is in left position, and the 3rd 2/2-way solenoid directional control valve 47 is in bottom.
Now there are two power transfer paths：In path one, power is successively by motor 1, first shaft coupling 2, second shaft coupling 4, torsion
Turn shock absorber 5, preceding planet row input shaft 10, front planetary line 8, preceding planet rows of planetary wheel 44, preceding planet toothrow circle 9, after
Planet row input shaft 11, C1 clutches 17, rear planet row planet carrier 16 reach direct current dynamometer 22；In path two, power is successively
By motor 1, first shaft coupling 2, second shaft coupling 4, torsional vibration damper 5, preceding planet row input shaft 10, front planetary line
8th, preceding planet rows of planetary wheel 44, preceding planet toothrow circle 7, preceding planet row input gear 6, the second meshing gear 29, the 7th shaft coupling
29th, the 8th shaft coupling 31 reaches the input shaft of the second hydraulic pump/motor 32, and mechanical energy is converted into by the second hydraulic pump/motor 32
Hydraulic energy, hydraulic oil enters the second hydraulic pipeline 36 from a mouths of the second hydraulic pump/motor 32, with the pressure in high pressure accumulator 33
Power oil forms coupling, and a ports of the first hydraulic pump/motor 23 are entered by the 3rd 2/2-way solenoid directional control valve 47, by the
The b ports of one hydraulic pump/motor 23 enter the first hydraulic pipeline 35, finally flow into low pressure accumulator 34.Hydraulic energy passes through first
Hydraulic pump/motor 23 is converted into mechanical energy, successively by the 5th shaft coupling 24, the 6th shaft coupling 26, the first meshing gear 27, after
Planet row input gear 12, C2 clutches 18, C1 clutches 17, rear planet row planet carrier 16, the 3rd shaft coupling 19, the 4th shaft coupling
Device 21 reaches direct current dynamometer 22.Meanwhile first torque and speed sensors 3, the second torque and speed sensorses 20, the 3rd rotating speed turn
Square sensor 25, the 4th torque and speed sensorses 30 record motor 1 output shaft, the input shaft of direct current dynamometer 22, the in real time respectively
The rotational speed and torque value of the input shaft of one hydraulic pump/motor 23, the second hydraulic pump/motor input shaft；First pressure sensor 40, second
Pressure sensor 41 records hydraulic fluid pressure in high pressure accumulator 33, low pressure accumulator 34 in real time respectively.The output letter of controller 37
The loading moment and rotating speed of number control direct current dynamometer 22 simulate different pavement conditions inputs, can obtain different joints and drive
Dynamic characteristic.
Under joint drive pattern, the second hydraulic pump/motor 32 is according to front planetary line 8 and preceding planet toothrow circle 9
The change of rotational speed and torque is possible to that motor condition can be operated in, therefore controller 37 is in the first 2/2-way solenoid directional control valve 39
Zuo Wei, hydraulic control one-way valve 38 are in the state that two-way circulates.Whether the second hydraulic pump/motor 32 can be operated in motor condition and institute
Control strategy used in the automobile of simulation is relevant, and the present invention not describes in detail herein.
4. braking mode
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Arrange the working condition of the series parallel type hydraulic hybrid dynamic automobile of configuration in a regenerative braking mode.Under the pattern, controller 37 is sent out
Go out control signal, make the discharge capacity of the first hydraulic pump/motor 23 for just (0,1) and be operated in pump state, the second hydraulic pump/motor 32
Discharge capacity be zero, the first 2/2-way solenoid directional control valve 39 is in right position, and hydraulic control one-way valve 38 is in one-way flow state (can only
From P1 ports to P2 ports), the second 2/2-way solenoid directional control valve 46 is in right position, at the 3rd 2/2-way solenoid directional control valve 47
In bottom.Power successively by direct current dynamometer 22, the 4th shaft coupling 21, the 3rd shaft coupling 19, after planet row planet carrier 16, C1
Clutch 17, C2 clutches 18, rear planet row input gear 12, the first meshing gear 27, the 6th shaft coupling 26, the 5th shaft coupling
24 reach the first hydraulic pump/motor 23.First hydraulic pump/motor 23 converts mechanical energy into hydraulic energy and is stored in high pressure accumulator
In 33.Meanwhile record direct current dynamometer 22 is defeated in real time respectively for second torque and speed sensors 20, the 3rd torque and speed sensorses 25
The rotational speed and torque value of shaft, the input shaft of the first hydraulic pump/motor 23；First pressure sensor 40, second pressure sensor 41 divide
Hydraulic fluid pressure in high pressure accumulator 33, low pressure accumulator 34 is not recorded not in real time.Direct current is controlled by the output signal of controller 37
The loading moment and rotating speed of dynamometer machine 22 simulate different pavement conditions inputs, can obtain different regenerative braking characteristics.Should
Under pattern, controller 37 does not dally to the output control signal of motor 1, motor 1.Second hydraulic pump/motor 32 is also at idle running shape
State.
5. reversing mode
Refering to accompanying drawing 3, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Arrange working condition of the series parallel type hydraulic hybrid dynamic automobile of configuration under reversing mode.Under the pattern, controller 37 sends control
Signal processed, the discharge capacity of the first hydraulic pump/motor 23 is negative (- 1,0) and be operated in motor condition, the second hydraulic pump/motor 32
Discharge capacity be zero, the first 2/2-way solenoid directional control valve 39 is in right position, and hydraulic control one-way valve 38 is in one-way flow state (can only
From P1 ports to P2 ports), the second 2/2-way solenoid directional control valve 46 is in right position, at the 3rd 2/2-way solenoid directional control valve 47
In bottom.Compared to pure hydraulic-driven pattern, in reversing mode, the first hydraulic pump/motor 23 is in inverted status, fluid flowing
Path, power transfer path, control mode of each sensor record state and direct current dynamometer 22 etc. and pure hydraulic-driven mould
Formula is identical, and here is omitted.
Simulate single planetary row configuration when different mode under each hydraulic valve working condition and power transfer path：
Note：When simulating single planetary row configuration, C1 clutches 17, C2 clutches 18 combine all the time, and C3 brakes divide all the time
From.Shaft coupling and torque and speed sensorses numerical chracter are eliminated in power transfer path.
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention can be used for simulating single file
Star row+heel row motor increases the working condition of the series parallel type hydraulic hybrid dynamic automobile of torsion configuration in different modes.C3 brakes
45 combine, planet row gear ring 15 after pinning, then planet row+heel row motor increases torsion configuration before whole system simulation.C1 clutches 17
And C2 clutches 18 are operated in different conditions can realize that effect is turned round in different increasing.
1. engine opens machine pattern
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
The series parallel type hydraulic hybrid dynamic automobile that row+motor increases torsion configuration opens the working condition under machine pattern in engine.Controller 37
Send control signal, the displacement value for making the first hydraulic pump/motor 23 is zero, the discharge capacity of the second hydraulic pump/motor 32 for just (0~
1) and motor condition is operated in, C1 clutches 17 are in released state, and C2 clutches 18 are in bonding state, the first 2/2-way
Solenoid directional control valve 39 is in left position, and hydraulic control one-way valve 38 is at the state that two-way circulates, the second 2/2-way solenoid directional control valve 46
Yu Zuowei, the 3rd 2/2-way solenoid directional control valve 47 are in upper.The glide path of hydraulic oil, power transmit road under the pattern
Control mode of line, the recording status of each sensor and direct current dynamometer 22 etc. and series parallel type hydraulic hybrid of the present invention
The series parallel type hydraulic hybrid dynamic automobile that power vehicle simulation test stand is used to simulate single planetary row configuration opens machine mould in engine
Identical under formula, here is omitted.
2. pure hydraulic-driven pattern
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Row+motor increases working condition of the series parallel type hydraulic hybrid dynamic automobile for turning round configuration under pure hydraulic-driven pattern.Controller 37
Control signal is sent, makes the displacement value of the first hydraulic pump/motor 23 for just (0~1) and is operated in motor condition, the second hydraulic pressure
The discharge capacity of pump/motor 32 is zero, C1 clutches 17 and C2 clutches 18 are in released state, the first 2/2-way electromagnetic switch
Valve 39 is in right position, and hydraulic control one-way valve 38 is in one-way flow state (can only from P1 ports to P2 ports), the second 2/2-way
Solenoid directional control valve 46 is in right position, and the 3rd 2/2-way solenoid directional control valve 47 is in bottom.Under the pattern, in high pressure accumulator 33
The high-voltage oil liquid of storage successively by the second hydraulic pipeline 36, the 3rd 2/2-way solenoid directional control valve 47 enter the first hydraulic pump/
The a ports of motor 23, enter the first hydraulic pipeline 35 by the b ports of the first hydraulic pump/motor 23, finally flow into low pressure accumulation of energy
Device 34.Hydraulic energy is converted into mechanical energy by the first hydraulic pump/motor 23, and power passes through the 5th shaft coupling the 24, the 6th successively
Axle device 26, the first meshing gear 27, rear planet row input gear 12, rear planet row sun gear 13, rear planet row planetary gear 14, after
Planet row planet carrier 16, the 3rd shaft coupling 19, the 4th shaft coupling 21 reach direct current dynamometer 22.Pass through the second rotational speed and torque simultaneously
Sensor 20, the 3rd torque and speed sensorses 25 record the input shaft of direct current dynamometer 22 and the first hydraulic pump/horse in real time respectively
Rotating speed, torque value up to 23 output shafts；First pressure sensor 40, second pressure sensor 41 record high-voltage energy-storage in real time respectively
Hydraulic fluid pressure in device 33, low pressure accumulator 34.By the output signal of controller 37 control the loading moment of direct current dynamometer 22 and
Rotating speed simulates different pavement conditions inputs, obtains different pure hydraulic-driven characteristics.
3. combine drive pattern
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Row+heel row motor increases working condition of the series parallel type hydraulic hybrid dynamic automobile for turning round configuration in the case where combining drive pattern.Controller
37 send control signal, and it is just (0~1) to make the displacement value of the first hydraulic pump/motor 23 and the second hydraulic pump/motor 32
One hydraulic pump/motor 23 is operated in motor condition, and the first 2/2-way solenoid directional control valve 39 is in left position, at hydraulic control one-way valve 38
In the state of two-way circulating, the second 2/2-way solenoid directional control valve 46 is in left position, and the 3rd 2/2-way solenoid directional control valve 47 is in
It is the next.C1 clutches 17 and C2 clutches 18 is set to be in different bonding states, it is possible to achieve two kinds of joint drive patterns of simulation,
That is HVT1 patterns and HVT2 patterns.
When C1 clutches 17 are in released state, and C2 clutches 18 are in bonding state, testing stand simulation HVT1 patterns,
Or low speed HVT patterns.Now, two power transfer paths be present：In path one, power is successively by motor 1, the first shaft coupling
Device 2, second shaft coupling 4, torsional vibration damper 5, preceding planet row input shaft 10, front planetary line 8, preceding planet rows of planetary wheel
44th, preceding planet toothrow circle 9, rear planet row input shaft 11, C2 clutches 18, rear planet row sun gear 13, rear planet row planetary gear
14th, rear planet row planet carrier 16, the 3rd shaft coupling 19, the 4th shaft coupling 21 reach direct current dynamometer 22；In path two, power according to
It is secondary to pass through motor 1, first shaft coupling 2, second shaft coupling 4, torsional vibration damper 5, preceding planet row input shaft 10, preceding planet rows of planetary
Frame 8, preceding planet rows of planetary wheel 44, preceding planet toothrow circle 7, preceding planet row input gear 6, the second meshing gear 29, the 7th shaft coupling
Device 29, the 8th shaft coupling 31 reach the input shaft of the second hydraulic pump/motor 32, and the second hydraulic pump/motor 32 converts mechanical energy
For hydraulic energy, hydraulic oil enters the second hydraulic pipeline 36 from a mouths of the second hydraulic pump/motor 32, and in high pressure accumulator 33
Pressure oil forms coupling, and a ports of the first hydraulic pump/motor 23 are entered by the 3rd 2/2-way solenoid directional control valve 47, passes through
The b ports of first hydraulic pump/motor 23 enter the first hydraulic pipeline 35, finally flow into low pressure accumulator 34.Hydraulic energy passes through
One hydraulic pump/motor 23 is converted into mechanical energy, successively by the 5th shaft coupling 24, the 6th shaft coupling 26, the first meshing gear 27,
Planet row input gear 12, rear planet row sun gear 13, rear planet row planetary gear 14, rear planet row planet carrier the 16, the 3rd afterwards
Axle device 19, the 4th shaft coupling 21 reach direct current dynamometer 22.
When C1 clutches 17 are in bonding state, and C2 clutches 18 are in released state, testing stand simulation EVT2 patterns,
Or low speed HVT patterns.Now, two power transfer paths are equally existed：In path one, power transmit successively by motor 1,
First shaft coupling 2, second shaft coupling 4, torsional vibration damper 5, preceding planet row input shaft 10, front planetary line 8, preceding planet row
Planetary gear 44, preceding planet toothrow circle 9, rear planet row input shaft 11, C1 clutches 17, rear planet row planet carrier 16, the 3rd shaft coupling
Device 19, the 4th shaft coupling 21 reach direct current dynamometer 22；Path two is Composite Transmission path, its power transmission path and HVT1 moulds
Formula path two is identical, and here is omitted.
Meanwhile first torque and speed sensors 3, the second torque and speed sensorses 20, the 3rd torque and speed sensorses 25,
Four torque and speed sensorses 30 record the output shaft of motor 1, the input shaft of direct current dynamometer 22, the first hydraulic pump/motor in real time respectively
The rotational speed and torque value of 23 input shafts, the second hydraulic pump/motor input shaft, first pressure sensor 40, second pressure sensor 41
Record hydraulic fluid pressure in high pressure accumulator 33, low pressure accumulator 34 in real time respectively.It is straight by the control of the output signal of controller 37
Flow the loading moment of dynamometer machine 22 and rotating speed simulates different pavement conditions inputs, obtain different joint drive characteristics.
Under joint drive pattern, the second hydraulic pump/motor 32 is according to front planetary line 8 and preceding planet toothrow circle 9
The change of rotational speed and torque is possible to that motor condition can be operated in, therefore controller 37 is in the 3rd 2/2-way solenoid directional control valve 39
Zuo Wei, hydraulic control one-way valve 38 are in the state that two-way circulates.Whether the second hydraulic pump/motor 32 can be operated in motor condition and institute
Control strategy used in the automobile of simulation is relevant, and the present invention not describes in detail herein.
4. braking mode
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Row+motor increases the working condition of the series parallel type hydraulic hybrid dynamic automobile of torsion configuration in a regenerative braking mode.Controller 37 is sent out
Go out control signal, make the discharge capacity of the first hydraulic pump/motor 23 for just (0~1) and be operated in pump state, the second hydraulic pump/motor
32 displacement value is zero, C1 clutches 17 and C2 clutches 18 are in released state, the first 2/2-way solenoid directional control valve 39
In right position, hydraulic control one-way valve 38 is in one-way flow state (can only from P1 ports to P2 ports), the second 2/2-way electromagnetism
Reversal valve 46 is in right position, and the 3rd 2/2-way solenoid directional control valve 47 is in bottom.Power is successively by direct current dynamometer 22, the
Four shaft couplings 21, the 3rd shaft coupling 19, rear planet row planet carrier 16, rear planet row planetary gear 14, rear planet row sun gear 13, after
Planet row input gear 12, the first meshing gear 27, the 6th shaft coupling 26, the 5th shaft coupling 24 reach the first hydraulic pump/motor
23.First hydraulic pump/motor 23 converts mechanical energy into hydraulic energy and is stored in high pressure accumulator 33.Meanwhile second rotating speed turn
Square sensor 20, the 3rd torque and speed sensorses 25 record the output shaft of direct current dynamometer 22, the first hydraulic pump/motor in real time respectively
The rotational speed and torque value of 23 input shafts；First pressure sensor 40, second pressure sensor 41 record high pressure accumulator in real time respectively
33rd, hydraulic fluid pressure in low pressure accumulator 34.By the signal output of controller 37 control direct current dynamometer 22 loading moment and
Rotating speed simulates different pavement conditions inputs, can obtain different regenerative braking characteristics.
5. reversing mode
Refering to accompanying drawing 4, series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention is used to simulate single file star
Row+heel row motor increases working condition of the series parallel type hydraulic hybrid dynamic automobile for turning round configuration under reversing mode.Controller 37 is sent out
Go out control signal, the displacement value of the first hydraulic pump/motor 23 is negative (- 1~0) and be operated in motor condition, the second hydraulic pump/
The discharge capacity of motor 32 is zero.C1 clutches 17 and C2 clutches 18 are in released state, the first 2/2-way solenoid directional control valve
39 are in right position, and hydraulic control one-way valve 38 is in one-way flow state (can only from P1 ports to P2 ports), the second 2/2-way electricity
Magnetic reversal valve 46 is in right position, and the 3rd 2/2-way solenoid directional control valve 47 is in bottom.Compared to pure hydraulic-driven pattern, reversing
In pattern, the first hydraulic pump/motor 23 is in inverted status, fluid flow path, power transfer path and direct current dynamometer
22 control mode etc. is identical with pure hydraulic-driven pattern, and here is omitted.
Planet row before simulation+heel row motor increases when turning round configuration each hydraulic valve under different mode, clutch working condition and dynamic
Power bang path：
Note：When simulating single planetary row+heel row motor increasing torsion configuration, C3 brakes combine all the time.Neglected in power transfer path
Shaft coupling and torque and speed sensorses numerical chracter are omited.
Series parallel type hydraulic hybrid dynamic automobile simulation test stand of the present invention cannot be only used for simulating different planet teeth
Take turns the working condition of the series parallel type hydraulic hybrid dynamic automobile of configuration in different modes, moreover it is possible to which performance survey is carried out to Hydraulic Elements
Examination.
1. hydraulic pump discharge responds and accumulator fills energy characteristic test
The first 2/2-way solenoid directional control valve 39 is set to be in right position, the second 2/2-way solenoid directional control valve 46 by controller
In right position, the 3rd 2/2-way solenoid directional control valve 47 is in bottom, and C1 clutches 17 and C2 clutches 18 combine, C3 clutches
Device separates, and dynamometer machine 22 exports permanent rotating speed or permanent torque, and the first hydraulic pump/motor 23 is operated in pump state.Controller 37 controls
The displacement variation of first hydraulic pump/motor 23, while the 3rd torque and speed sensorses 25 record the first hydraulic pump/motor 23 in real time
The rotational speed and torque change of input shaft, first pressure sensor 40, first hydraulic pump of the real-time record of the difference of second pressure sensor 41/
The a mouths (high pressure accumulator) of motor 23 and the pressure change of b mouths (low pressure accumulator).
2. hydraulic motor responds and accumulator exoergic characteristic test
The first 2/2-way solenoid directional control valve 39 is set to be in right position, the second 2/2-way solenoid directional control valve 46 by controller
In right position, the 3rd 2/2-way solenoid directional control valve 47 is in bottom, and C1 clutches 17 and C2 clutches 18 combine, C3 clutches
Device separates, and the first hydraulic pump/motor 23 is operated in motor condition.Controller 37 controls the load speed of direct current dynamometer 22, turned
Square changes, while the 3rd torque and speed sensorses 25 record the rotational speed and torque change of the input shaft of the first hydraulic pump/motor 23 in real time,
First pressure sensor 40, second pressure sensor 41 record a mouth (high-voltage energy-storages of the first hydraulic pump/motor 23 in real time respectively
Device) and b mouths (low pressure accumulator) pressure change.
The system element existing procucts, specific type selecting need to be combined depending on design parameter and design requirement.
Claims (4)
- A kind of 1. series parallel type hydraulic hybrid dynamic automobile simulation test stand：Including stand in kind (I) and real-time emulation system (II), It is characterized in that：Described stand in kind (I) includes motor (1), the first 2/2-way solenoid directional control valve (39), the second 2/2-way electromagnetism It is reversal valve (46), the 3rd 2/2-way solenoid directional control valve (47), preceding planet row, rear planet row, preceding planet row input shaft (10), preceding Planet row input gear (6), rear planet row input shaft (11), rear planet row input gear (12), the first hydraulic pump/motor (23), the second hydraulic pump/motor (32), direct current dynamometer (22), high pressure accumulator (33), low pressure accumulator (34), first Axle device (2), second shaft coupling (4), the 3rd shaft coupling (19), the 4th shaft coupling (21), the 5th shaft coupling (24), the 6th shaft coupling (26), the 7th shaft coupling (29), the 8th shaft coupling (31), C1 clutches (17), C2 clutches (18), C3 brakes (45), One meshing gear (27), the second meshing gear (28), hydraulic control one-way valve (38), the first hydraulic pipeline (35), the second hydraulic pipeline (36), first pressure sensor (40), second pressure sensor (41), the first torque and speed sensorses (3), the second rotational speed and torque Sensor (20), the 3rd torque and speed sensorses (25), the 4th torque and speed sensorses (30), torsional vibration damper (5)；Described preceding planet row be sleeved on before on planet row input shaft (10), preceding planet row includes preceding planet row sun gear (7), preceding Planet rows of planetary wheel (44) before planet row planet carrier (8), preceding planet toothrow circle (9) and four structure identicals, preceding planet row Sun gear (7) is integral with preceding planet row input gear (6), preceding planet row input gear (6) and the second meshing gear (28) Often engagement connection；Described rear planet row is sleeved on rear planet row input shaft (11), and rear planet row includes the rear planet row sun Planet row planetary gear after wheel (13), rear planet row planet carrier (16), rear planet row gear ring (15) and four structure identicals (14), rear planet row sun gear (13) is integral with rear planet row input gear (12), rear planet row input gear (12) with First meshing gear (27) often engagement connection；The a ends of described C1 clutches (17) are coaxial connected with rear planet row input shaft (11), b ends and rear planet row planet carrier (16) it is coaxial to be connected；The a ends of described C2 clutches (18) are coaxial connected with rear planet row input gear (12), b ends and rear row Star row's input shaft (11) is coaxially connected；The fixing end of described C3 brakes (45) is connected with frame, turning end and rear planet row Gear ring (15) is coaxially connected；The P ports of the first described 2/2-way solenoid directional control valve (39), A ports respectively with the second hydraulic pipeline (36), hydraulic control K ports (control port) connection of check valve (38)；P ports, the A ports of the second described 2/2-way solenoid directional control valve (46) The P2 ports with the second hydraulic pipeline (36), hydraulic control one-way valve (38) are connected respectively, the P1 ports of hydraulic control one-way valve (38) and the The a ports connection of two hydraulic pump/motors (32)；P ports, the A ports point of the 3rd described 2/2-way solenoid directional control valve (47) A ports not with the second hydraulic pipeline (36), the first hydraulic pump/motor (23) are connected；Described high pressure accumulator (33) go out Hydraulic fluid port is connected with the second hydraulic pipeline (36), and the oil-out of low pressure accumulator (34) is connected with the first hydraulic pipeline (35)；It is described The b ports of the first hydraulic pump/motor (23), the b ports of the second hydraulic pump/motor (32) with the first hydraulic pipeline (35) even Connect；Described real-time emulation system (II) is made up of controller (37), dSPACE simulators (42) and host computer (43)；Control Device (37) is connected with stand in kind (I) by electric wire, and controller (37) is connected with dSPACE simulators (42) by electric wire, upper Machine (43) is connected with dSPACE simulators (42) by ethernet line.
- 2. according to the series parallel type hydraulic hybrid dynamic automobile simulation test stand described in claim 1, it is characterised in that described control Device (37) processed is connected with stand in kind (I) by electric wire to be referred to：First pressure sensor (40), second pressure sensor (41), the first rotational speed and torque sensing in described stand in kind (I) Device (3), the second torque and speed sensorses (20), the 3rd torque and speed sensorses (25), the 4th torque and speed sensorses (30) are logical Cross EAD00 terminal of the electric wire respectively with controller (37), EAD01 terminals, EAD02 terminals, EAD03 terminals, EAD04 terminals, EAD05 terminals connect；The control terminal of motor (1), the discharge capacity of the first hydraulic pump/motor (23) in described stand in kind (I) Control terminal, the displacement control terminal of the second hydraulic pump/motor (32), the control terminal of C1 clutches (17), C2 clutches (18) control terminal, the control terminal of C3 brakes (45), the control terminal of the first 2/2-way solenoid directional control valve (39), The control terminal of two 2/2-way solenoid directional control valves (46), the control terminal of the 3rd 2/2-way solenoid directional control valve (47) and straight Flow dynamometer machine (22) control terminal by electric wire respectively the LA00 terminals with controller (37), LA01 terminals, LA02 terminals, LA03 terminals, LA04 terminals, LA05 terminals, LA06 terminals, LA07 terminals, LA08 terminals, the connection of LA09 terminals.
- 3. according to the series parallel type hydraulic hybrid dynamic automobile simulation test stand described in claim 1, it is characterised in that described The left and right ends of one torque and speed sensorses (3) by first shaft coupling (2), second shaft coupling (4) respectively with motor (1), turn round It is coaxially connected to turn shock absorber (5), torsional vibration damper (5) is same by preceding planet row input shaft (10) with front planetary line (8) Axis connection；The left and right ends of second torque and speed sensorses (20) pass through the 3rd shaft coupling (19), the 4th shaft coupling (21) difference It is coaxially connected with rear planet row planet carrier (16), direct current dynamometer (22)；3rd torque and speed sensorses (25) left and right ends lead to It is coaxial with the first hydraulic pump/motor (23), the first meshing gear (27) respectively to cross the 5th shaft coupling (24), the 6th shaft coupling (26) Connection；4th torque and speed sensorses (30) left and right ends are by the 8th shaft coupling (31), the 7th shaft coupling (29) respectively with Two hydraulic pump/motors (32), the second meshing gear (28) are coaxially connected.
- 4. according to the series parallel type hydraulic hybrid dynamic automobile simulation test stand described in claim 1, it is characterised in that described One pressure sensor (40) is arranged on the second hydraulic pipeline (36), and second pressure sensor (41) is arranged on the first hydraulic pipeline (35) on；Described preceding planet row input shaft (10) is vertical with the periphery of front planetary line (8) to be coaxially connected；Described Preceding planet toothrow circle (9) is coaxial connected with rear planet row input shaft (11).
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