CN208043418U - A kind of planet parallel-serial hybrid power systems test bed - Google Patents
A kind of planet parallel-serial hybrid power systems test bed Download PDFInfo
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- CN208043418U CN208043418U CN201820117310.5U CN201820117310U CN208043418U CN 208043418 U CN208043418 U CN 208043418U CN 201820117310 U CN201820117310 U CN 201820117310U CN 208043418 U CN208043418 U CN 208043418U
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Abstract
The utility model discloses a kind of planet parallel-serial hybrid power systems test beds, including dynamical system and control system.The bench test of a variety of configurations, including input type power dividing configuration, input type power dividing+heel row deceleration torque configuration, combined type power dividing configuration can be carried out by the state of mobile balladeur train and switch clutch.The bench test of engine can be realized by simply changing.The performance comparison test of same configuration different drive ratios can be only carried out by planetary gear before and after replacement and sun gear.In addition to this, the testing stand can automatic running setting operating mode also can be by true man's brake activation pedal and accelerator pedal come following condition.
Description
Technical field
The present invention relates to a kind of car test benches, and more precisely, the present invention relates to a kind of planet parallel-serial hybrid power systems
System testing stand.
Background technology
With the enhancing of problem of environmental pollution increasingly aggravated with people's environmental consciousness, new-energy automobile becomes to be studied instantly
Hot spot, but the demand of people cannot be still fully met in view of present battery the relevant technologies.Therefore, hybrid vehicle is in mesh
A kind of preceding good transition vehicle of apparently can yet be regarded as.Hybrid power system uses two kinds of power sources of engine and motor, this can make
Engine is more operated in its high efficient district, greatly improves the economy of vehicle while reducing the row of exhaust pollutant
It puts.Hybrid vehicle can be divided into series, parallel and series-parallel connection by its configuration at present.Series-parallel configuration combines series connection and in parallel excellent
Point.Planet, which mixes reason, in series-parallel configuration can carry out engine and wheel the bilingual coupling of rotating speed and torque, and engine is made to begin
Working in optimal operation line eventually nearby has preferable application prospect.
Planet row hybrid power system is a complicated electro-mechanical system, usually will be first to shorten the development cycle
Off-line simulation is carried out with simulation software, but off-line simulation has bigger difference with actual conditions.It is more accurate credible to obtain
Data, bench test should be carried out.But also lack the testing stand of the mixed dynamic configuration of corresponding planet at present.It is mixed dynamic based on current planet
The active demand of configuration automotive development devises a kind of planet row hybrid power system experimental stand.
Chinese patent publication No. is CN 101013063A, date of publication 2007-08-08, discloses a kind of hybrid power vapour
Vehicle transmission system performance test-bed, the applicable vehicle of the experimental stand is coaxial parallel-connection vehicle.Chinese patent publication No. is CN
104502106A, date of publication 2015-04-08, disclose a kind of hybrid power automobile power assembly testing stand, which adopts
It is that buncher CVT carries out power coupling.
Invention content
The present invention is to solve currently to lack the mixed driven mixed power testing stand of planet and existing hybrid power testing stand versatility
Difference, it is difficult to compare the performance difference of various configuration and same configuration different drive ratios and a kind of planet parallel-serial hybrid power for proposing
Systems test bed.
To solve the above problems, the present invention adopts the following technical scheme that：The planet parallel-serial hybrid power system test
Platform includes dynamical system and control system.
The dynamical system includes engine 3, and planet row power dividing device, moves 22, No. two motors 49 of No.1 motor
Power battery 34, electric dynamometer 26, DC-DC converter 35, accumulator 36.The planet row power dividing device includes planet
Frame power input shaft 6, No.1 free-sliding spline wheel 7, preceding planet wheel spindle 9, preceding planet cage plate 51, be circumferentially uniformly distributed four before
Planetary gear 10, preceding sun gear 11, front ring gear 16, rear planet cage plate 27, rear planet wheel spindle 52, rear planetary gear 14, rear sun gear 13,
Afterwards gear ring 15, No.1 motor power wheel for inputting 19, gear ring external gear 18, rear planet carrier gear 47, dynamometer machine power output wheel 23,
25, No. four shaft couplings 32 of the shaft coupling of shaft coupling 21, three of No.1 shaft coupling 4, two, No.1 torque and speed sensors 5, two turn
The torque and speed sensors 24, four of fast torque sensor 20, three torque and speed sensors 31, No.1 clutch 17, two from
Clutch 29, three clutch 30, two free-sliding spline wheel 12, No. three free-sliding spline wheels 28, transmission shaft 8, hollow shafts 50.Switching
Need in addition to increase by 54, No. five shaft couplings 55 of extension bar when engine rig test.
The control system includes accelerator pedal 40, brake pedal 41, key assembly 42, engine controller 43, whole
Vehicle controller 44, rapid control prototyping 45, CANoe53, computer 46, Dynamometer Control System 38, power battery management system
37,33, No. two electric machine controllers 39, fuel consumption meter 1, light smokemetor 2, emergency shutdown devices 48 of No.1 electric machine controller.
The No.1 shaft coupling 4 links together the power output shaft of engine and planet carrier power input shaft 6；Institute
The outside for the planet carrier power input shaft 6 stated is provided with spline, be cased with thereon inside and outside have the No.1 free-sliding spline of spline
Wheel 7；The No.1 free-sliding spline wheel 7 moves right and can be provided with the preceding planet cage plate 51 of spline with inside and be meshed, in this way
Planet carrier power input shaft 6 can be connected with preceding planet cage plate 51 and the two is made to have identical rotating speed；The power is defeated
The right half part for entering axis 6 is hollow structure, and inside is inserted with transmission shaft 8, but the planet carrier power input shaft 6 with it is described
Transmission shaft 8 is not in contact with.
The preceding planetary gear 10 is mounted on the optical axis portion of the preceding planet wheel spindle 9, the preceding planet wheel spindle 9
Left end is provided with screw thread and is connected with the threaded hole on the preceding planet cage plate 51；The preceding sun gear 11 moves ahead with described
Star-wheel 10 is constant mesh gear；The outside of the transmission shaft 8 is provided with spline, described No. two free-sliding spline wheels 12 it is interior
Outer both sides are all provided with spline, and the inside of the preceding sun gear 11 is provided with spline, when by No. two free-sliding spline wheels to
When moving right, the transmission shaft 8 and the preceding sun gear 11 can be connected together, the two is made to have identical rotating speed；It is described
Preceding planetary gear 10 and the front ring gear 16 be constant mesh gear；The front ring gear 16 is welded with the gear ring external gear 18
It is connected together；The gear ring external gear 18 is constant mesh gear with the No.1 motor power wheel for inputting 19；Described one
Number motor 22 is connected with the No.1 motor power wheel for inputting 19 by No. two shaft couplings 21；
The rear sun gear 13 is connected by spline with the hollow shaft 50；The rear planetary gear 14 respectively with
The rear sun gear 13 and the rear gear ring 15 are constant mesh gear；The rear planetary gear 14 is mounted on the rear row
On spider gear shaft 52；The rear planet wheel spindle side is provided with screw thread and is connected with the rear planet cage plate 27 for being provided with threaded hole；
The hollow shaft 50 that the rear planet cage plate 27 can be provided with spline by No. three free-sliding spline wheels 28 with outside is connected, and makes institute
27, No. three free-sliding spline wheels 28 of the rear planet cage plate stated and hollow shaft 50 have identical rotating speed；Outside the rear planet cage plate 27
Edge cutting goes out the rear planet carrier gear 47 that gear is described；The rear planet carrier gear 47 and the electric dynamometer are dynamic
Power output wheel 23 is constant mesh gear；The electric dynamometer 26 passes through No. three shaft couplings and the electric dynamometer power
Output wheel 23 is connected；No. two motors 49 are connected by No. four shaft couplings 32 with the transmission shaft 8；
The active part of the No.1 clutch 17 is connected with the front ring gear 16；The No.1 clutch 17
Secondary part is connected with the rear gear ring 15；The active part of No. two clutches 29 is connected with rack fixed part,
The secondary part of No. two clutches 29 is connected with the hollow shaft 50；The active part of No. three clutches 30
It is connected with the hollow shaft 50, the secondary part of described No. three clutches 30 is connected with the transmission shaft 8；
The No.1 torque and speed sensors 5 are mounted on planet carrier power input shaft 6；No. two rotational speed and torques
Sensor 20 is mounted between No. two shaft couplings 21 and No.1 motor power wheel for inputting 19；No. three rotational speed and torques
Sensor is mounted on the axis between the electric dynamometer power output wheel 23 and described No. three shaft couplings 25；Described
No. four torque and speed sensors 31 are mounted between No. four shaft couplings 32 and the secondary part of No. three clutches 30.
The power battery 34 is connected with the accumulator 36 by the DC-DC converter 35.The electric power storage
Pond provides 24V voltages for the various controllers.The direct current that the power battery 34 exports is controlled by No.1 motor
Device 33 is changed into supply No.1 motor 22 after alternating current；The direct current that the power battery 34 exports passes through No. two motor controls
Device 39 processed is changed into alternating current and supplies No. two motors 49.The power battery management system 37 and the power battery 34
It is connected by electric wire.
Compared with prior art the beneficial effects of the invention are as follows：
1. planet parallel-serial hybrid power systems test bed of the present invention is used for planet series-parallel configuration hybrid vehicle
Development phase, the R&D cycle can be shortened, reduce R&D costs.
2. planet parallel-serial hybrid power systems test bed of the present invention is applicable to a variety of different planet series-parallel connection mixing
Power configuration has certain versatility.
3. planet parallel-serial hybrid power systems test bed of the present invention can be by replacing different planetary gear and the sun
It takes turns and changes drive system ratio, influence of the comparison different drive ratios to system performance can be facilitated in automobile research.
4. planet parallel-serial hybrid power systems test bed of the present invention can carry out engine by simply adjusting
Bench test.It can be seen that the rack can carry out system level testing, component-level test can be also carried out.
5. planet parallel-serial hybrid power systems test bed of the present invention can be run by the operating mode of setting, can also pass through
True pilot control accelerator pedal and brake pedal follow to carry out operating mode, this makes test data closer to actual value.
6. a test-bed has both dynamic property test, economic testing and emission performance test.
Description of the drawings
The present invention will be further described below with reference to the drawings：
Fig. 1 is planet parallel-serial hybrid power systems test bed structure composition schematic diagram of the present invention；
Fig. 2 is the structure for the input type power dividing that planet parallel-serial hybrid power systems test bed of the present invention is applicable in
Type schematic diagram；
Fig. 3 be planet parallel-serial hybrid power systems test bed of the present invention be applicable in input type power dividing+after
Arrange the configuration schematic diagram of deceleration torque；
Fig. 4 is the structure for the combined type power dividing that planet parallel-serial hybrid power systems test bed of the present invention is applicable in
Type schematic diagram；
Fig. 5 be planet parallel-serial hybrid power systems test bed of the present invention be applicable in engine rig test when
Configuration schematic diagram；
Fig. 6 is the structure for the input type power dividing that planet parallel-serial hybrid power systems test bed of the present invention is applicable in
The lever diagram of type；
Fig. 7 is after the input type power dividing that planet parallel-serial hybrid power systems test bed of the present invention is applicable in adds
Arrange the lever diagram of the configuration of deceleration torque；
Fig. 8 is the structure for the combined type power dividing that planet parallel-serial hybrid power systems test bed of the present invention is applicable in
The lever diagram of type；
Fig. 9 is the left view of preceding planet cage plate in planet parallel-serial hybrid power systems test bed of the present invention；
In Fig. 1,1. fuel consumption meters, 2. smooth smokemetors, 3. engines, 4. No.1 shaft couplings, 5. No.1 torque and speed sensors,
6. before planet carrier power input shaft, 7. No.1 free-sliding spline wheels, 8. transmission shafts, 9. before planet wheel spindle, 10. before planetary gear, 11. too
Gear ring behind planetary gear, 15. behind positive wheel, 12. No. two free-sliding spline wheels, 13. rear sun gears, 14., 16. front ring gears, 17. No.1s from
Clutch, 18. gear ring external gears, 19. No.1 motor power wheel for inputting, 20. No. two torque and speed sensors, 21. No. two shaft couplings,
22. No.1 motor, 23. dynamometer machine power output wheels, 24. No. three torque and speed sensors, 25. No. three shaft couplings, 26 electric power are surveyed
Planet cage plate, 28. No. three free-sliding spline wheels, 29. No. two clutches, 30. No. three clutches, 31. No. four rotating speeds behind work(machine, 27.
Torque sensor, 32. No. four shaft couplings, 33. No.1 electric machine controllers, 34. power batteries, 35.DCDC converters, 36. electric power storages
Pond, 37. power battery management systems, 38. Dynamometer Control Systems, 39. No. two electric machine controllers, 40. accelerator pedals, 41. systems
Dynamic pedal, 42. key assemblies, 43. engine controllers, 44. entire car controllers, 45. rapid control prototypings, 46. computers,
It goes behind planet cage plate, 52. before planet carrier gear, 48. emergency shutdown devices, 49. No. two motors, 50. hollow shafts, 51. after 47.
Spider gear shaft, 53.CANoe.
In Fig. 5,54. extension bars, 55. No. five shaft couplings.
Specific implementation mode
The present invention is explained in detail below in conjunction with the accompanying drawings：
Refering to attached drawing 1, planet parallel-serial hybrid power systems test bed of the present invention includes dynamical system and control is
System.The dynamical system includes engine 3, planet row power dividing device, No.1 motor 22, No. two motors 49, power electrics
Pond 34, electric dynamometer 26, DC-DC converter 35, accumulator 36.
Refering to attached drawing 1, the planet row power dividing device includes planet carrier power input shaft 6, No.1 free-sliding spline
Wheel 7, preceding planet wheel spindle 9, preceding planet cage plate 51, preceding planetary gear 10 (being circumferentially uniformly distributed four), preceding sun gear 11, front ring gear
16, rear planet cage plate 27, rear planet wheel spindle 52, rear planetary gear 14, rear sun gear 13, rear gear ring 15, the input of No.1 motor power
Wheel 19, gear ring external gear 18, rear planet carrier gear 47, dynamometer machine power output wheel 23,4, No. two shaft couplings 21 of No.1 shaft coupling,
25, No. four shaft couplings 32 of No. three shaft couplings, the rotating speed of torque and speed sensors 20, three of No.1 torque and speed sensors 5, two
24, No. four torque and speed sensors 31 of torque sensor, the clutch 30, two of clutch 29, three of No.1 clutch 17, two
Free-sliding spline wheel 12, No. three free-sliding spline wheels 28, transmission shaft 8, hollow shafts 50.It is needed in addition when being switched to engine rig test
Increase by 54, No. five shaft couplings 55 of extension bar in Fig. 5.
Refering to attached drawing 1, the No.1 torque and speed sensors 5 are mounted on planet carrier power input shaft 6；Described one
Number shaft coupling 4 links together the power output shaft of engine and planet carrier power input shaft 6；The planet carrier power is defeated
The outside for entering axis 6 is provided with spline, be cased with thereon inside and outside be all provided with the No.1 free-sliding spline wheel 7 of spline.The No.1
Free-sliding spline wheel 7 moves right and can be provided with the preceding planet cage plate 51 of spline with inside and be meshed, and can thus move planet carrier
Power input shaft 6 is connected with preceding planet cage plate 51 and the two is made to have identical rotating speed；The right half part of the power input shaft 6
It is hollow structure, inside is inserted with transmission shaft 8, but the power input shaft 6 is not in contact with the transmission shaft 8.
Refering to attached drawing 1, the preceding planetary gear 10 is mounted on the optical axis portion of the preceding planet wheel spindle 9, before described
The left end of planet wheel spindle 9 is provided with screw thread, is connected with the threaded hole on the preceding planet cage plate 51；The preceding sun gear 11
It is constant mesh gear with the preceding planetary gear 10；The outside of the transmission shaft 8 is provided with spline；No. two sliding flowers
Spline is all provided with inside and outside key wheel 12, the inside of the preceding sun gear 11 is provided with spline；When by No. two cunnings
When dynamic spline wheel moves right, the transmission shaft 8 and the preceding sun gear 11 can be connected together, so that the two is had identical
Rotating speed；The preceding planetary gear 10 is constant mesh gear with the front ring gear 16；The front ring gear 16 and the gear ring
External gear 18 welds together.
Refering to attached drawing 1, the gear ring external gear 18 is constant mesh gear with the No.1 motor power wheel for inputting 19；
It is connected by No. two shaft couplings 21 between the No.1 motor 22 and the No.1 motor power wheel for inputting 19；Described two
Number torque and speed sensors 20 are mounted between No. two shaft couplings 21 and No.1 motor power wheel for inputting 19.
Refering to attached drawing 1, the rear sun gear 13 is connected by spline with the hollow shaft 50；The rear planet
Wheel 14 is respectively constant mesh gear with the rear sun gear 13 and the rear gear ring 15；14 empty set of rear planetary gear
On the rear planet wheel spindle 52；52 side of rear planet wheel spindle be provided with screw thread and with the rear planet that is provided with threaded hole
Frame disk 27 is connected；The rear planet cage plate 27 can be provided with the hollow shaft of spline by No. three free-sliding spline wheels 28 and outside
50 are connected, and 27, No. three free-sliding spline wheels 28 of the rear planet cage plate and hollow shaft 50 is made to have identical rotating speed；After described
27 outer rim cutting of planet cage plate goes out the rear planet carrier gear 47 that gear is described；The rear planet carrier gear 47 and described
Electric dynamometer power output wheel 23 is constant mesh gear.The electric dynamometer 26 by No. three shaft couplings 25 with it is described
Electric dynamometer power output wheel 23 is connected.No. three torque and speed sensors 24 are mounted on the electric dynamometer
On axis between power output wheel 23 and described No. three shaft couplings 25.
Refering to attached drawing 1, the active part of the No.1 clutch 17 is connected with the front ring gear 16；The No.1
The secondary part of clutch 17 is connected with the rear gear ring 15；The active part of No. two clutches 29 is fixed with rack
Part is connected, and the secondary part of No. two clutches 29 is connected with the hollow shaft 50；No. three clutches 30
Active part be connected with the hollow shaft 50, the secondary part of described No. three clutches 30 and 8 phase of transmission shaft
Even；No. two motors 49 are connected by No. four shaft couplings 32 with the transmission shaft 8.No. four rotational speed and torques sensing
Device 31 is mounted between No. four shaft couplings 32 and the secondary part of No. three clutches 30.
Refering to attached drawing 1, the power battery 34 is connected with the accumulator 36 by the DC-DC converter 35.
The accumulator provides 24V voltages for the various controllers.The direct current that the power battery 34 exports passes through one
Number electric machine controller 33 is changed into supply No.1 motor 22 after alternating current；The direct current that the power battery 34 exports passes through two
Number electric machine controller 39 is changed into alternating current and supplies No. two motors 49.The power battery management system 37 and the power
Battery 34 is connected by electric wire.
Refering to attached drawing 1, the control system includes accelerator pedal 40, brake pedal 41, key assembly 42, engine control
Device 43 processed, entire car controller 44, rapid control prototyping 45, computer 46, Dynamometer Control System 38, power battery management system
37,33, No. two electric machine controllers 39, fuel consumption meter 1, light smokemetor 2, emergency shutdown devices 48 of No.1 electric machine controller.
Refering to attached drawing 1, the accelerator pedal 40 is connected by CAN lines with the engine controller 43；Described
Collected signal is transmitted to engine controller 43, engine control by accelerator pedal 40 by angular displacement and angular-rate sensor
Device 43 controls the quantity of states such as the throttle opening of engine；The brake pedal 41 is obtained brake pedal 41 by CAN lines
Angular displacement and angular velocity signal be transmitted to rapid control prototyping 45, rapid control prototyping 45 receives the signal and root of brake pedal 41
Electric dynamometer 26 is calculated according to the whole vehicle model of its storage inside and needs the signal of the power exported, and the signal is transmitted to measurement of power
Machine control system 38, Dynamometer Control System 38 is according to the corresponding rotating speed of defeated 26 output of signal control electric dynamometer received
And torque.Electric dynamometer 26 both can externally provide load, the road surface input of simulated automotive in the drive mode, and can externally carry
For power, the road surface input of simulated automotive in the braking mode.The key assembly 42 and 44 phase of entire car controller
Even.The key assembly 42 can simulate true vehicle high pressure power-on and power-off.
Refering to attached drawing 1, the computer 46 is connected with the rapid control prototyping 45 by CANoe53, is passed through
CANoe53 can show the changing value that signal is respectively controlled in experiment progress on computer 46.Meanwhile test operator also may be used
With by changing each control signal in real time on computer 46 come the operation of control system.The No.1 torque and speed sensors
5, No. two torque and speed sensors 31 of torque and speed sensors 24, four of torque and speed sensors 20, three are all collected
Signal be transmitted to computer 46.It is cheer and bright not by each torque and speed sensors and 46 phase of computer for structure chart in Fig. 1
Signal wire even shows.
Refering to attached drawing 1, the fuel consumption meter 1 can measure the oil consumption of engine, and the light smokemetor 2 can analyze engine
Discharge.
Refering to attached drawing 1, the Dynamometer Control System 38 can storage running operating mode, Dynamometer Control System 38 when experiment
Operation mode cycle data are transmitted to rapid control prototyping 45, signal is transmitted to dynamometer machine control by rapid control prototyping again after internal calculation
System processed, Dynamometer Control System control electric dynamometer and export corresponding rotating speed and torque.Rapid control prototyping can will recycle
Signal is transmitted to entire car controller, and entire car controller 44 passes through CAN line traffic controls engine controller 43, power battery management system
37, No.1 electric machine controller 33 and No. two electric machine controllers 39.
Refering to attached drawing 1, which also can control brake pedal 41, accelerator pedal 40 and key assembly 42 by true man；
At this point, the Operation mode cycle information received is transmitted to computer 46 by rapid control prototyping 45 by CAN lines；Driver passes through observation
Cyclical information brake activation pedal 41 and accelerator pedal 40 on 46 screen of computer is with following condition.It is this with true driver
The obtained data of bench test of manipulation are closer to actual conditions.
Refering to attached drawing 1, the emergency shutdown device 48 controls multiple relays mounted on system core position, when tight
Anxious device button of closing is pressed, and can cut off each relay immediately；This can make system stalls.The addition of emergency shutdown device can
The safety of increase system.To avoid influence of the power grid accidental power failure to emergency shutdown device, emergency shutdown device is by individually electricity
Source provides electric power.
Refering to attached drawing 1, although not drawing cooling system in figure, the operation of engine and motor, cooling system were at that time
It is necessary.
Refering to Fig. 2, Fig. 3, Fig. 4, Fig. 5.The dynamical system is adaptable to three kinds of planet series-parallel configurations, is input type work(respectively
Rate shunts configuration, input type power dividing+heel row deceleration torque configuration and compound shunting configuration.
The hybrid power configuration of adaptation
1, input type power dividing configuration
Refering to Fig. 2 and Fig. 6, when planet carrier power input shaft 6 and preceding planet cage plate 51 are connected to by No.1 free-sliding spline wheel 7
Together, that is, there is identical rotating speed.No. two free-sliding spline wheels 12 link together transmission shaft 8 and preceding sun gear 11, that is, have identical
Rotating speed.No. three free-sliding spline wheels 28 link together hollow shaft 50 and rear planet cage plate 27, that is, have identical rotating speed.Together
When, No.1 clutch 17 combines.The configuration of system is equivalent to input type power dividing configuration at this time.Lever after configuration simplification
Figure is Fig. 6
2, input type power dividing+heel row deceleration torque configuration
Refering to Fig. 3 and Fig. 7, when planet carrier power input shaft 6 and preceding planet cage plate 51 are connected to by No.1 free-sliding spline wheel 7
Together, that is, there is identical rotating speed.No. two free-sliding spline wheels 12 link together transmission shaft 8 and preceding sun gear 11, that is, have identical
Rotating speed.No.1 clutch 17 and No. two clutches 29 are in bonding state simultaneously.System is that configuration is equivalent to input type at this time
Power dividing+heel row deceleration torque configuration.The lever diagram of the configuration is Fig. 7.
3, compound shunting configuration
Refering to Fig. 4 and Fig. 8, when planet carrier power input shaft 6 and preceding planet cage plate 51 are connected to by No.1 free-sliding spline wheel 7
Together, that is, there is identical rotating speed.No. two free-sliding spline wheels 12 link together transmission shaft 8 and preceding sun gear 11, that is, have identical
Rotating speed.Meanwhile No.1 clutch 17 and No. three clutches 30 are in bonding state.System is that configuration is equivalent to combined type at this time
Power dividing configuration.The lever diagram of the configuration is Fig. 8.
4, engine rig test
Refering to Fig. 5, to realize the performance test carried out to engine components, the dynamic dynamic system of mixing mixed to the planet is needed
System testing stand is simply adjusted.It is needed at this time by No.1 torque and speed sensors 5, planet carrier power input shaft 6 and No.1
Free-sliding spline wheel 7 unloads, and installs extension bar 54 and No. five shaft couplings 55 in its position.In addition to this, also by No. four shaft couplings
Device 32 unloads, while being moved to the left No. three free-sliding spline wheels 28 and hollow shaft 50 and rear planet cage plate 27 link together, by three
Number clutch 30 combines.The rotating speed of engine output at this time and torque are measured by No. three torque and speed sensors 24, engine
Oil consumption and discharge measured respectively by fuel consumption meter 1 and light smokemetor 2.
As the above analysis, compound shunting compares only No. two with input type power dividing+heel row deceleration torque configuration
The switching of clutch 29 and No. three clutches 30, therefore the test-bed can also simulate the synthesis configuration of both configurations
The realization of different drive ratios
According to the characteristic of planet row, the planet mix driven mixed power systems test bed only need replacing it is different front and back
Planetary gear and sun gear can be realized same configuration different drive ratios performance test (can normally to engage, gear
Modulus should be constant).In view of replace different planetary gear and sun gear can change the core wheel between planetary gear and sun gear away from,
Therefore front and back planet cage plate needs specially designed.The preceding planet cage plate of special designing is shown in Fig. 9, rear planet cage plate 27 and preceding planet carrier
Disk has identical principle.
In view of the influence of rotary inertia, it should ensure that the weight ratio of each gear such as real vehicle leaved for development.For
Influence of each proportional increased weight of gear to rotary inertia is converted on electric dynamometer.Because electric dynamometer can simulate
Vehicle inertia is converted to the influence on transmission shaft.So when the weight of each gear of each gear real vehicle more leaved for development on test-bed
Influence of the increased weight of this operative gear to inertia should be subtracted when considering vehicle inertia when measuring proportional increase.Briefly
It is exactly when the weight proportional increase of the gear of each gear real vehicle more leaved for development, the inertia of electric dynamometer simulation needs
It reduces, when the proportional reduction of the weight of the gear of each gear real vehicle more leaved for development, the inertia of electric dynamometer simulation needs
Increase.
Claims (2)
1. a kind of planet parallel-serial hybrid power systems test bed, including dynamical system and control system；The dynamical system packet
Engine (3) is included, planet row power dividing device, No.1 motor (22), No. two motors (49), power battery (34), electric power are surveyed
Work(machine (26), DC-DC converter (35), accumulator (36)；The planet row power dividing device includes the input of planet carrier power
Axis (6), No.1 free-sliding spline wheel (7), preceding planet wheel spindle (9), preceding planet cage plate (51), be circumferentially uniformly distributed four move ahead
Star-wheel (10), preceding sun gear (11), front ring gear (16), rear planet cage plate (27), rear planet wheel spindle (52), rear planetary gear (14),
Rear sun gear (13), rear gear ring (15), No.1 motor power wheel for inputting (19), gear ring external gear (18), rear planet carrier gear
(47), dynamometer machine power output wheel (23), No.1 shaft coupling (4), No. two shaft couplings (21), No. three shaft couplings (25), No. four connection
Axis device (32), No.1 torque and speed sensors (5), No. two torque and speed sensors (20), No. three torque and speed sensors (24),
No. four torque and speed sensors (31), No.1 clutch (17), No. two clutches (29), No. three clutches (30), No. two slidings
Spline wheel (12), transmission shaft (8), hollow shaft (50), needs No. three free-sliding spline wheels (28) when being switched to engine rig test
In addition increase extension bar (54), No. five shaft couplings (55)；
The control system includes accelerator pedal (40), brake pedal (41), key assembly (42), engine controller
(43), entire car controller (44), rapid control prototyping (45), CANoe (53), computer (46), Dynamometer Control System (38),
Power battery management system (37), No.1 electric machine controller (33), No. two electric machine controllers (39), fuel consumption meter (1), light smokemetor
(2), emergency shutdown device (48)；
The power output shaft of engine (3) and planet carrier power input shaft (6) are connected to one by the No.1 shaft coupling (4)
It rises；Be provided with spline on the outside of the planet carrier power input shaft (6), be cased with thereon inside and outside be all provided with the No.1 of spline
Free-sliding spline wheel (7)；The No.1 free-sliding spline wheel (7) moves right and can be provided with the preceding planet cage plate of spline with inside
(51) it is meshed, planet carrier power input shaft (6) can be thus connected with preceding planet cage plate (51) and the two is made to have and is identical
Rotating speed；The right half part of the power input shaft (6) is hollow structure, and inside is inserted with transmission shaft (8), but the row
Carrier power input shaft (6) is not in contact with the transmission shaft (8)；
The preceding planetary gear (10) is mounted on the optical axis portion of the preceding planet wheel spindle (9), the preceding planetary gear (10)
It can be rotated on the preceding planet wheel spindle (9), the left end of the preceding planet wheel spindle (9) is provided with screw thread and moves ahead with described
Threaded hole on carrier disk (51) is connected；The preceding sun gear (11) is normal engaging tooth with the preceding planetary gear (10)
Wheel；It is provided with spline on the outside of the transmission shaft (8), flower is all provided with inside and outside described No. two free-sliding spline wheels (12)
Key is provided with spline on the inside of the preceding sun gear (11), when No. two free-sliding spline wheels (12) are moved right,
The transmission shaft (8) and the preceding sun gear (11) can be connected together, the two is made to have identical rotating speed；Described moves ahead
Star-wheel (10) is constant mesh gear with the front ring gear (16)；The front ring gear (16) and the gear ring external gear (18)
Weld together；The gear ring external gear (18) is constant mesh gear with the No.1 motor power wheel for inputting (19)；Institute
The No.1 motor (22) stated is connected with the No.1 motor power wheel for inputting (19) by No. two shaft couplings (21)；
The rear sun gear (13) is connected by spline with the hollow shaft (50)；The rear planetary gear (14) is respectively
It is constant mesh gear with the rear sun gear (13) and the rear gear ring (15)；The rear planetary gear (14) is mounted on institute
On the rear planet wheel spindle (52) stated；Described rear planet wheel spindle (52) side be provided with screw thread and with the rear planet that is provided with threaded hole
Frame disk (27) is connected；The rear planet cage plate (27) can be provided with spline by No. three free-sliding spline wheels (28) and outside
Hollow shaft (50) is connected, and so that the rear planet cage plate (27), No. three free-sliding spline wheels (28) and hollow shaft (50) is had identical
Rotating speed；Described rear planet cage plate (27) the outer rim cutting goes out the rear planet carrier gear (47) that gear is described；After described
The power output wheel (23) of planet carrier gear (47) and the electric dynamometer (26) is constant mesh gear；The electric power is surveyed
Work(machine (26) is connected by No. three shaft couplings (25) with the power output wheel (23) of the electric dynamometer (26)；Described
No. two motors (49) are connected by No. four shaft couplings (32) with the transmission shaft (8)；
The active part of the No.1 clutch (17) is connected with the front ring gear (16)；The No.1 clutch (17)
Secondary part be connected with the rear gear ring (15)；The active part of No. two clutches (29) and rack fixed part
It is connected, the secondary part of No. two clutches (29) is connected with the hollow shaft (50)；No. three clutches
(30) active part is connected with the hollow shaft (50), the secondary part of described No. three clutches (30) and the biography
Moving axis (8) is connected by spline；
The No.1 torque and speed sensors (5) are mounted on planet carrier power input shaft (6)；No. two rotational speed and torques
Sensor (20) is mounted on the axis between No. two shaft couplings (21) and No.1 motor power wheel for inputting (19)；Described
No. three torque and speed sensors (24) are mounted on the power output wheel (23) of the electric dynamometer (26) and described No. three
On axis between shaft coupling (25)；No. four torque and speed sensors (31) be mounted on No. four shaft couplings (32) and
On axis between the secondary part of No. three clutches (30).
2. a kind of planet parallel-serial hybrid power systems test bed described in accordance with the claim 1, which is characterized in that described moves ahead
Multigroup threaded hole is tapped on carrier disk (51), the distance in the center of circle of each group threaded hole away from preceding planet cage plate (51) is different, every group of packet
The threaded hole being distributed uniformly and circumferentially containing four；It is tapped with multigroup threaded hole, each group spiral shell on the rear planet cage plate (27)
The distance in the center of circle of the pit away from rear planet cage plate (27) is different, and every group includes four threaded holes being distributed uniformly and circumferentially.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108061664A (en) * | 2018-01-24 | 2018-05-22 | 吉林大学 | A kind of planet parallel-serial hybrid power systems test bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108061664A (en) * | 2018-01-24 | 2018-05-22 | 吉林大学 | A kind of planet parallel-serial hybrid power systems test bed |
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