CN201588908U - Double-planetary-gear-train multi-power coupling mechanism - Google Patents
Double-planetary-gear-train multi-power coupling mechanism Download PDFInfo
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- CN201588908U CN201588908U CN2009202919941U CN200920291994U CN201588908U CN 201588908 U CN201588908 U CN 201588908U CN 2009202919941 U CN2009202919941 U CN 2009202919941U CN 200920291994 U CN200920291994 U CN 200920291994U CN 201588908 U CN201588908 U CN 201588908U
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Abstract
The utility model discloses a double-planetary-gear-train multi-power coupling mechanism, which is characterized in that the multi-power coupling mechanism is provided with a first planetary gear train and a second planetary gear train, wherein the first planetary gear train consists of a first sun gear, a first planetary gear, a first planetary carrier and a first gear ring, the second planetary gear train consists of a second sun gear, a second planetary gear, a second planetary carrier and a second gear ring, an output rotating shaft of an internal-combustion engine is connected with the first planetary carrier, a rotating shaft of a first motor/generator is connected with a center shaft of the first sun gear, the first gear ring is connected with the second planetary carrier, a rotating shaft of a second motor/generator is connected with a center shaft of the second sun gear, the second gear ring is connected with an external transmission system through a gear center shaft of a power output gear, and the center shaft of the second sun gear, the center shaft of the first sun gear, the second planetary carrier and the first planetary carrier are respectively provided with lockers. The double-planetary-gear-train multi-power coupling mechanism is low in control difficulty, can realize multiple work modes, is totally a continuously variable transmission utilizing hybrid power, and keeps the internal-combustion engine working in the best fuel economizing area.
Description
Technical field
The utility model relates to power output, the dynamic coupling device that is applied on the motor vehicle.
Background technique
As mixed power coupling device, there is multiple use planetary gears to carry out power distribution both at home and abroad, and there is complex structure in their majority, and the part parts are difficult to realize the industrialization manufacturing, needs to use the automatic clutch that a plurality of control difficulty are big, the life-span is difficult to guarantee.Some mechanism's mode of operations are few, can't realize the series operation pattern, need operating mode adaptive capacitys such as frequent acceleration and deceleration low in the urban district for automobile running; Some mechanisms can't realize pure electrical machine working mode, are unfavorable for using having on the plug-in hybrid car of high capacity cell; Some mechanisms do not have pure operating mode of internal combustion engine, are unfavorable for that automobile is at running on expressway.
The model utility content
The utility model is for avoiding above-mentioned existing in prior technology deficiency, provide a kind of compact structure, transmission part few, employed component structural is simple, system's control difficulty is low, be easy to realize the multi-power coupling mechanism of dual planetary gear train of industrialization manufacturing in batches, being used for automobile with it as mixed power coupling device drives, in the hope of realizing a plurality of mode of operations, make whole system externally show as a stepless speed variator that can use mixed power, make internal-combustion engine always work in best fuel-economy district.
The utility model technical solution problem adopts following technological scheme:
The structural feature of the utility model multi-power coupling mechanism of dual planetary gear train is:
First planetary gear train that setting is made of first sun gear, first planet wheel, first planet carrier and first gear ring;
Second planetary gear train that setting is made of second sun gear, second planet wheel, second planet carrier and second gear ring;
The internal-combustion engine output revolving shaft is connected with first planet carrier, and the rotatingshaft of first motor/generator is connected with the first sun gear central shaft; First gear ring is connected with second planet carrier, and the rotatingshaft of second motor/generator is connected with the second sun gear central shaft; Connect outside power train with the central gear axis of second gear ring by power output gear;
The second sun wheel shaft locking engagement, the first sun wheel shaft locking engagement, the second planet carrier locking engagement and the first planet carrier locking engagement are set respectively on the described second sun gear central shaft, the first sun gear central shaft, second planet carrier and first planet carrier.
The utility model is being external power take-off near second planetary gear train of output terminal; The power of coupling internal-combustion engine and first motor/generator on first planetary gear train, by the gear ring of first planetary gear train with transmission of power at second planetary gear train.Second planetary gear train power that second motor/generator and the first planetary gear train gear ring pass over that has been coupled, the gear ring outputting power by second planetary gear train is to outside driving mechanism at last.In order to optimize velocity ratio, outside driving mechanism can be speedup or reducing gear.The utility model has been realized the coupling of three power sources cleverly, and because planetary gear train power dividing mechanism has all been used in each coupling, has lowered the difficulty of control, makes system more reliable, easier realization.
The utility model is with motor/generator and internal-combustion engine cooperating, and four locking engagements respectively can two motor/generators of locking, the power transmission shaft between internal-combustion engine and the secondary planet train.Different working modes by four locking engagements switchings, and the different operating state of motor/generator and internal-combustion engine is formed multiple mode of operation, the power output of the various operating modes of realization reply is travelled, to adapt to the various different capacity demands of automobile in actual travel.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model can be realized five kinds of mode of operations such as series, parallel, series-parallel connection, pure electronic and braking energy recovery easily, does not particularly use the quick switching that can realize easily under the situation of the automatic clutch device that volume is big, cost is high, the control difficulty is big between the various modes.
2, the utility model can be realized the series operation pattern that general planetary gear train can't be realized, under the lower or road conditions complicated situation, this mode of operation energy consumption is low at battery electric quantity, and the engine exhaust quality is good, and control is simple.
3, the utility model can be operated under parallel connection, series-parallel connection, pure electronic and the pattern that braking energy reclaims, realize the different matching models of two motor/generators, two motor/generators are worked simultaneously or one of them work can be according to the working power demand, select flexibly, thereby bigger energy output power is provided, and can makes two motor/generators all be operated in the optimum efficiency district as far as possible.
4, the coupling of two motor/generators in the utility model and power of IC engine all is to pass through planetary gear train, greatly reduce requirement to control system, reduced the requirement of control system, be easy to realize, reduced system cost motor/generator and engine speed control accuracy.Enter the fuel-economy district of internal-combustion engine in the speed of a motor vehicle after, can realize pure operating mode of internal combustion engine, improve system effectiveness, reach the purpose of energy saving.
5, the utility model adopts simple two planetary gear structures and four shaft lock locking mechanisms, and it is simple in structure, compact, transmission efficiency is high, make processing relatively easily, the system reliability height.
Description of drawings
Fig. 1 is the utility model structural representation and the signal of parking mode of operation.
Fig. 2 is the utility model starting apparatus combustion engine mode of operation schematic representation.
Fig. 3 is the utility model parking generating mode of operation schematic representation.
Fig. 4 is the utility model series connection mode of operation schematic representation that travels.
Fig. 5 is the pure electronic mode of operation I schematic representation of the utility model.
Fig. 6 is the pure electronic mode of operation II schematic representation of the utility model.
Fig. 7 is the pure electronic mode of operation III schematic representation of the utility model.
Fig. 8 is the utility model driving generating mode of operation I schematic representation.
Fig. 9 is the utility model driving generating mode of operation II schematic representation.
Figure 10 is the utility model driving generating mode of operation III schematic representation.
Figure 11 is the pure operating mode of internal combustion engine schematic representation of the utility model.
Figure 12 is the utility model parallel operation pattern I schematic representation.
Figure 13 is the utility model parallel operation pattern II schematic representation.
Figure 14 is the utility model parallel operation pattern III schematic representation.
Figure 15 is the utility model braking energy recovery operation pattern I schematic representation.
Figure 16 is the utility model braking energy recovery operation pattern II schematic representation.
Figure 17 is the utility model braking energy recovery operation pattern III schematic representation.
Number in the figure: 1 second motor/generator, 2 second sun wheel shaft locking engagements, 3 second sun gears, 4 second planet wheels, 5 second planet carrier locking engagements, 6 first motor/generators, 7 first sun wheel shaft locking engagements, 8 first planet wheels, 9 first sun gears, 10 first planet carrier locking engagements, 11 internal-combustion engines, 12 housings, 13 first gear rings, 14 second gear rings.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment
Referring to Fig. 1, the structure of the multi-power coupling mechanism of dual planetary gear train in the present embodiment is set in housing 12:
First planetary gear train that constitutes by first sun gear 9, first planet wheel 8, first planet carrier and first gear ring 13;
Second planetary gear train that constitutes by second sun gear 3, second planet wheel 4, second planet carrier and second gear ring 14;
The internal-combustion engine output revolving shaft of internal-combustion engine 11 is connected with first planet carrier, and the rotatingshaft of first motor/generator 6 is connected with the first sun gear central shaft; First gear ring 13 is connected with second planet carrier, and the rotatingshaft of second motor/generator 1 is connected with the second sun gear central shaft; Connect outside power train with the central gear axis of second gear ring 14 by power output gear.
Shown in Figure 1, the second sun wheel shaft locking engagement 2, the first sun wheel shaft locking engagement 7, the second planet carrier locking engagement 5 and the first planet carrier locking engagement 10 are set respectively on the second sun gear central shaft, the first sun gear central shaft, second planet carrier and first planet carrier.
Structure setting in the present embodiment can be realized following various mode of operation.
The parking mode of operation:
Under the pattern that quits work, system does not have flow of energy, remains static.
The starting apparatus combustion engine mode of operation:
When system is in static or the pure motor driving mode of operation time, wants starting apparatus combustion engine and participate in the system works, need starting apparatus combustion engine to arrive certain speed, then reposefully the power of internal-combustion engine is coupled in the system.Want the axle locking engagement between the locking gear for two stage planetary gear train under this pattern, make the action of first planetary gear train can not have influence on the motion of car load, first motor/generator that links to each other with first sun gear rotates, dragging first planet wheel rotates, thereby drive internal-combustion engine and turn to certain speed, and then starting apparatus combustion engine.
Parking generating mode of operation:
If the system battery electric quantity consumption is excessive, can when stopping, utilize the parking gap to use internal-combustion engine dragging motor/generator for electricity generation, replenish necessary electric weight to battery, make system works more stable.
The series connection mode of operation of travelling:
If battery electric quantity is lower, under the lower road conditions of traffic congestion or the speed of a motor vehicle, use the series operation pattern more.Use internal-combustion engine to drag the generating of first motor/generator, supply with second motor generator use, by second motor generator produce power and externally export, if the electric energy that generator sends is more, a part can be stored in the battery.Under this mode of operation, engine conditions is stable, can be operated in best fuel-economy district always, and can optimize the discharging of internal-combustion engine.
Pure electronic mode of operation I:
If battery electric quantity is higher, under the lower road conditions of traffic congestion or the speed of a motor vehicle, use pure electronic mode of operation more.Drive second motor/generator with pure electricity and finish power output, be delivered to the planet wheel of second level planetary gear train by the gear ring of first order planetary gear train, by the gear ring of the second level planetary gear train transmission of power is gone out at last, thereby realized pure electronic mode of operation.
Pure electronic mode of operation II:
If battery electric quantity is higher, under the lower road conditions of traffic congestion or the speed of a motor vehicle, use pure electronic mode of operation more.Drive the second Dian Ji generator with pure electricity and finish power output, the planet carrier of second planetary gear train has been fixed by the axle locking engagement, so power is delivered to second gear ring by second planet wheel, by second gear ring transmission of power is gone out.Thereby realized pure electronic mode of operation.
Pure electronic mode of operation III:
If battery electric quantity is higher, under the lower road conditions of traffic congestion or the speed of a motor vehicle, use pure electronic mode of operation more, if bigger under the electric-only mode, then can adopt the pure electronic mode of operation of dual-motor to power demand.Pure electricity drives by two motor/generators and finishes power output jointly, first motor/generator passes through the first gear ring transferring power to second planet wheel, second sun gear is driven by second motor/generator, after the power of two motors is coupled by second planetary gear train, by second gear ring transmission of power is gone out, thereby realize pure electronic mode of operation.
Driving generating mode of operation I:
In vehicle drives at moderate speed process, use the driving power generation mode, optimize the operating mode of internal-combustion engine, make it be operated in the fuel-economy district, reach the purpose of energy-saving and emission-reduction.There are high rotational speed and bigger moment of torsion output in general fuel of internal combustion engine economic region, if the power demand in the vehicle traveling process does not have the power of internal-combustion engine output big, then can pass through generator for electricity generation, absorbs unnecessary energy.The planet wheel of internal-combustion engine drives first order planetary gear train and planet carrier thereof rotate under this pattern, by first order planetary gear train, the part of energy is diverted to first gear ring, realize the outside is exported by second gear ring of second level planetary gear train at last, the other part of energy is used for driving the sun gear rotation of first order planetary gear train, by the generating of first motor/generator, be stored in the battery.
Driving generating mode of operation II
Fix first sun gear by the axle locking engagement under this pattern, the planet wheel of internal-combustion engine drives first order planetary gear train and planet carrier thereof rotate, and transfer energy to second planet wheel by first gear ring.By the second level planetary gear train part of energy is diverted to second gear ring and realizes that to outside output the other part of energy is used for driving the sun gear rotation of second level planetary gear train, by the motor/generator generating, is stored in the battery.
Driving generating mode of operation II:
Internal-combustion engine drives first planet carrier rotates under this pattern, by first planetary gear train part of energy is used for driving first sun gear and rotates, and by the generating of first motor/generator, be stored in the battery.The other part of energy is diverted to first gear ring, and is delivered to second planet wheel.This portion of energy realizes two-part shunting by second level planetary gear train again, and a part drives the generating of second motor/generator by second sun gear, is stored in the battery, and a part realizes the outside is exported by second gear ring in addition.The lower-powered situation of motor/generator that this pattern be fit to adopt, single motor/generator can not high efficiency absorption internal-combustion engine power.And can well switch two motor/generators and carry out work, make them all be operated in high efficiency region.
Pure operating mode of internal combustion engine:
When automobile load and speed dropped on the fuel of internal combustion engine economic region, as the expressway operating mode, internal-combustion engine directly externally carried out power output, can reduce the conversion of energy, improves system effectiveness.Under this mode of operation, the axle locking engagement that links to each other with two motor/generators all is in lockup state, makes two motor/generators not participate in work.Internal-combustion engine rotates, and the planet wheel and the planet carrier thereof that drive first planetary gear train rotate, and energy and then be delivered to by first gear ring on second gear ring of second planetary gear train is realized the external output of energy.
Parallel operation pattern I
When its output power can not satisfy the automobile power demand when internal-combustion engine is in the fuel-economy district, adopt the parallel running mode of motor power-assisted.Internal-combustion engine rotates the planet wheel and the planet carrier thereof that drive first order planetary gear train and rotates, first sun gear rotates under the driving of first motor/generator, realize the coupling of two power by first planetary gear train, transfer energy in second planetary gear train by first gear ring, because second sun gear is fixed by the axle locking engagement, energy is delivered to the external drive system by second gear ring.
Parallel operation pattern II:
When its output power can not satisfy the automobile power demand when internal-combustion engine is in the fuel-economy district, adopt the parallel running mode of motor power-assisted.Internal-combustion engine rotates the planet wheel and the planet carrier thereof that drive first planetary gear train and rotates, and first sun gear is fixed by the axle locking engagement, so energy is delivered in second planetary gear train by first gear ring.Second sun gear is driven by second motor/generator, by second planetary gear train be coupled second motor/generator power and pass over the power of internal-combustion engine by first planetary gear train.Last energy is delivered to the external drive system by second gear ring.
Parallel operation pattern III:
When its output power can not satisfy the automobile power demand when internal-combustion engine is in the fuel-economy district, adopt the parallel running mode of motor power-assisted.Internal-combustion engine rotates the planet wheel and the planet carrier thereof that drive first planetary gear train and rotates, first sun gear rotates under the driving of motor/generator, coupling by two power of first planetary gear train realization transfers energy to by first gear ring in the planet wheel of second planetary gear train.Second sun gear is driven by second motor/generator, and by second planetary gear train be coupled energy of second motor/generator and the energy that first order planetary gear train transmits, the energy that was coupled at last is delivered to the external drive system by second gear ring.Gear for two stage planetary gear train three power sources that have been coupled have been realized high-power output.Because the coupling of all power all is to finish by planetary gear train, has reduced the requirement to control accuracy.
Braking energy recovery operation pattern I:
When automobile need slow down, generate electricity by generator, finish the recovery of energy, reduce the meaningless waste of energy.The kinetic energy of automobile is delivered to second planet wheel by the gear ring of second planetary gear train under this mode of operation, then is delivered to first gear ring.Energy is delivered to first sun gear by the planet wheel of first planetary gear train, and first sun gear drags the rotation of first motor/generator and generates electricity, and electricity can be stored in the battery.Finish energy recovery.
Braking energy recovery operation pattern II:
When automobile need slow down, generate electricity by generator, finish the recovery of energy, reduce the meaningless waste of energy.The kinetic energy of automobile is delivered to second planet wheel by second gear ring under this mode of operation, then is delivered to second sun gear, drags the rotation of second motor/generator by second sun gear and generates electricity, and electricity can be stored in the battery.Finish energy recovery.
Braking energy recovery operation pattern III:
When automobile need slow down, generate electricity by generator, finish the recovery of energy, reduce the meaningless waste of energy.The kinetic energy of automobile is delivered to second planet wheel by second gear ring under this mode of operation, energy begins shunting herein, part energy is delivered to second sun gear, drags the rotation of second motor/generator by second sun gear and generates electricity, and electricity can be stored in the battery.Part energy is delivered to first gear ring in addition, and the planet wheel by first planetary gear train is delivered to first sun gear, drags first motor/generator by first sun gear and rotates and generate electricity, and electricity can be stored in the battery.Two generators of common mistake are finished energy recovery.This mode helps the energy recovery operating mode of automobile when high speed, two motors can realize that bigger energy returns power, be on the different Transmitted chainss owing to two motor/generators simultaneously, the velocity ratio difference, different motors participates in or participate in generating simultaneously by switching, two motors all are operated between high efficient area, reclaim more energy.
Shown in Figure 2, system is in the starting apparatus combustion engine mode of operation.The first sun wheel shaft locking engagement 7 loosens, the second planet carrier locking engagement, 5 lockings, and first motor/generator 6 rotates, and energy transfer is to first planet wheel 8, and first planet wheel 8 and planet carrier thereof drag internal-combustion engine 11 and rotate starting apparatus combustion engine 11.
Shown in Figure 3, system is in the generating mode of operation of stopping.Internal-combustion engine 11 drives first planet wheel 8 and planet carrier rotates, the second planet carrier locking engagement, 5 lockings, thereby fixed first gear ring 13, therefore first planet wheel 8 and planet carrier thereof rotate the energy that produces and all have been delivered to first sun gear 9, driving first motor/generator 6 rotates, generate electricity, and by being battery charge by charging system.
Shown in Figure 4, system is in the mode of operation of travelling of connecting.The needed energy is from the battery and first motor/generator 6 in the series connection running process.Internal-combustion engine 11 drives first planetary wheel carrier and rotates, the second planet carrier locking engagement 5 is in lockdown mode, thereby fixed first gear ring 13, therefore first planet wheel 8 and planet carrier thereof rotate the energy that produces and all have been delivered to first sun gear 9, driving motor/generator 6 rotates, generate electricity, and be battery charge or directly supply with second motor/generator 1 and use, in order to drive automobile running by the energy distribution circuit by charging system.Second motor/generator 1 is as motor, the energy that the consuming cells or first motor/generator 6 produce, produce driving force and be delivered to second planet wheel 4 by second sun gear 3, because the second planet locking engagement 5 is in lockup state, energy all is delivered on second gear ring 14 by second planet wheel 4, and then outputs to outside transmission system.Under the series operation pattern, the operating mode of internal-combustion engine 11 is fixed, and the variation of outside operating mode is adapted to by second motor/generator 1, and internal-combustion engine 11 always can be operated in best fuel-economy district, thereby has realized lower energy consumption.
Shown in Figure 5, system is in pure electronic mode of operation I.First motor/generator 6 drives 9 rotations of first sun gear under this pattern, because the first planet carrier locking engagement 10 is in lockup state, energy transfer is to first gear ring 13, then be delivered to second planet wheel 4, because the second sun wheel shaft locking engagement, 2 lockings, energy is delivered to outside transmission system by second gear ring 14.
Shown in Figure 6, system is in pure electronic mode of operation II.First motor/generator 1 drives first sun gear 3 and rotates, because the second planet carrier locking engagement, 5 lockings, energy is delivered to outside transmission system by second gear ring 14.
Shown in Figure 7, system is in pure electronic mode of operation III.First motor/generator 6 drives first sun gear 9 and rotates, because the first planet carrier locking engagement, 10 lockings, energy transfer then is delivered to second planet wheel 4 to first gear ring 13.Second motor/generator 1 drives second sun gear 3 and rotates, and first planetary gear train that has been coupled in second planetary gear train is delivered to the energy of second planet wheel 4, is delivered to outside transmission system by second gear ring 14.When power demand is bigger, can under this pattern, obtain higher speed.
Shown in Figure 8, system is in driving generating mode of operation I.Internal-combustion engine 11 rotates, driving first planet wheel 8 and planet carrier thereof rotates, because the second planet carrier locking engagement 5 and the first sun wheel shaft locking engagement 7 all loosen, therefore first planet wheel 8 and planet carrier thereof drive sun gear 9 and 13 rotations of first gear ring, speed by first motor/generator 6, reach the rotating speed purpose of regulating first gear ring 13, thereby finish the energy shunting.Because the second sun wheel shaft locking engagement, 2 lockings, the energy that is passed over by first gear ring 13 directly drives the rotation of second planet wheel 4 and planet carrier thereof, transfers energy to second gear ring 14, and then is delivered to outside transmission system.
Shown in Figure 9, system is in driving generating mode of operation II.Internal-combustion engine 11 rotates, and drives first planet wheel 8 and planet carrier thereof and rotates, because the first sun wheel shaft locking engagement, 7 lockings, first planet wheel 8 and planet carrier thereof drive first gear ring 13 and rotate, and transfer energy to second planetary gear train.Because the second sun wheel shaft locking engagement 2 loosens, the energy that is passed over by first gear ring 13 drives second planet wheel 4 and planet carrier rotation thereof, transfer energy to second sun gear 3 and second gear ring 14, regulate the rotating speed of second gear ring 14 by the rotating speed of regulating second motor/generator 1, finish the energy shunting.Transfer energy to outside transmission system by second gear ring 14 at last.
Shown in Figure 10, system is in driving generating mode of operation III.Internal-combustion engine 11 rotates, driving first planet wheel 8 and planet carrier thereof rotates, because the second planet carrier locking engagement 5 and the first sun wheel shaft locking engagement 7 all loosen, therefore first planet wheel 8 and planet carrier thereof drive first sun gear 9 and 13 rotations of first gear ring, by regulating the speed of first motor/generator 6, regulate the rotating speed of first gear ring 13, thereby finish the effect of energy shunting, control is delivered to the energy proportion of second planetary gear train.Because the second sun wheel shaft locking engagement 2 loosens, the energy that is passed over by first gear ring 13 drives second planet wheel 4 and planet carrier rotation thereof, transfer energy to second sun gear 3 and second gear ring 14, the rotating speed of rotational speed regulation second gear ring 14 by regulating second motor/generator 1, finish further energy shunting, less energy transfer is arrived outside transmission system.
Shown in Figure 11, system is in pure operating mode of internal combustion engine.The second sun wheel shaft locking engagement 2 and the first sun wheel shaft locking engagement 7 be locking all, and two motor/generators do not participate in work.Internal-combustion engine 11 rotates, and drives first planet wheel 8 and planet carrier thereof and rotates, and energy is delivered to second planet wheel 4 and the planet carrier thereof by first gear ring 13, and then is delivered to second gear ring 14, realizes the external output of energy.
Shown in Figure 12, system is in parallel operation pattern I.The second sun wheel shaft locking engagement, 2 lockings, other each locking engagement all loosens.Internal-combustion engine 11 drives first planet wheel 8 and planet carrier rotates, first motor/generator 6 drives first sun gear 9 and rotates, carry out the energy coupling by first planetary wheeling mechanism, the energy of coupling is delivered to second planetary gear train by first gear ring 13, regulate the rotating speed of first motor/generator 6, regulate size the output of second level power.Because the locking of the second sun wheel shaft locking engagement 2, energy is delivered to second gear ring 14 by second planet wheel 4, transfers energy to outside transmission system by second gear ring 14 at last.
Shown in Figure 13, system is in parallel operation pattern II.The first sun wheel shaft locking engagement, 7 lockings, other each locking engagement is and loosens.Internal-combustion engine 11 rotates, and drives first planet wheel 8 and planet carrier thereof and rotates, because the first sun wheel shaft locking engagement, 7 lockings, therefore first planet wheel 8 and planet carrier thereof drive 13 rotations of first gear ring, transfer energy to second planetary gear train.Second motor/generator 1 drives second sun gear 3 and rotates, its energy and the energy that passed over by first gear ring 13 are by the coupling of second planet wheel, energy transfer is to second gear ring 14, and the rotating speed of regulating second motor/generator 1 is finished the energy coupling to regulate the rotating speed of second gear ring 14.Transfer energy to outside transmission system by second gear ring 14 at last.
Shown in Figure 14, system is in parallel operation pattern III.All locking engagements all loosen.Internal-combustion engine 11 drives first planet wheel 8 and planet carrier rotates, first motor/generator 6 drives first sun gear 9 and rotates, carry out the energy coupling by first planetary gear train, the energy of coupling is delivered to second planetary gear train by first gear ring 13, regulate the rotating speed of first motor/generator 6, to regulate size to the output of second level power.Second motor/generator 1 drives second sun gear 3 and rotates, its energy and the energy that passed over by first gear ring 13 are by the coupling of second planet wheel, and coupling energy is delivered to second gear ring 14, and regulate the rotating speed that second motor/generator, 1 rotating speed is regulated second gear ring 14, finish the energy coupling.Transfer energy to outside transmission system by second gear ring 14 at last.Finally finish the energy coupling of three power units.
Shown in Figure 15, system is in braking energy recovery operation pattern I.The second sun wheel shaft locker 2 and the first planet carrier locker, 10 lockings, the kinetic energy of automobile is delivered to second planet wheel 4 by second gear ring 14, then is delivered to first gear ring 13.Because the locking of the first planet carrier locking engagement 10, energy is delivered to first sun gear 9 by first planet wheel 8 and planet carrier thereof, drags 6 rotations of first motor/generator by first sun gear 9 and generates electricity, and electricity can be stored in the battery.
Shown in Figure 16, system is in braking energy recovery operation pattern II.The second planet carrier locking engagement, 5 lockings, the kinetic energy of automobile is delivered to second planet wheel 4 by second gear ring 14, then is delivered on second sun gear 3, drags 1 rotation of second motor/generator by second sun gear and generates electricity, and electricity can be stored in the battery.
Shown in Figure 17, system is in braking energy recovery operation pattern III.The first planet carrier locking engagement, 10 lockings, the kinetic energy of automobile is delivered to second planet wheel 4 by second gear ring 14, realizes power dividing herein.Part power is delivered to second sun gear 3, drags 1 rotation of second motor/generator by second sun gear 3 and generates electricity, and electricity can be stored in the battery.Another part energy transfer is to first gear ring 13, and energy is delivered to first sun gear 9 by first planet wheel 8 and planet carrier thereof, drags 6 rotations of first motor/generator by first sun gear 9 and generates electricity, and electricity can be stored in the battery.This mode helps the energy recovery operating mode of automobile when high speed, two motors can realize that bigger energy returns power, be on the different Transmitted chainss owing to two motor/generators simultaneously, the velocity ratio difference, different motors participates in or participate in generating simultaneously by switching, two motors all are operated between high efficient area, reclaim more energy.
Claims (1)
1. the structural feature of multi-power coupling mechanism of dual planetary gear train is:
First planetary gear train that setting is made of first sun gear, first planet wheel, first planet carrier and first gear ring;
Second planetary gear train that setting is made of second sun gear, second planet wheel, second planet carrier and second gear ring;
The internal-combustion engine output revolving shaft is connected with first planet carrier, and the rotatingshaft of first motor/generator (6) is connected with the first sun gear central shaft; First gear ring is connected with second planet carrier, and the rotatingshaft of second motor/generator (1) is connected with the second sun gear central shaft; Connect outside power train with the central gear axis of second gear ring by power output gear;
The second sun wheel shaft locking engagement (2), the first sun wheel shaft locking engagement (7), the second planet carrier locking engagement (5) and the first planet carrier locking engagement (10) are set respectively on the described second sun gear central shaft, the first sun gear central shaft, second planet carrier and first planet carrier.
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| CN2009202919941U CN201588908U (en) | 2009-12-10 | 2009-12-10 | Double-planetary-gear-train multi-power coupling mechanism |
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| CN2009202919941U CN201588908U (en) | 2009-12-10 | 2009-12-10 | Double-planetary-gear-train multi-power coupling mechanism |
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| CN106090149A (en) * | 2016-05-25 | 2016-11-09 | 广州市新域动力技术有限公司 | Bi-motor disc type stepless variable-speed dynamic system |
| CN109843778A (en) * | 2016-10-24 | 2019-06-04 | 英格索尔-兰德公司 | Use the dual intensity power capstan winch of two motors and single gear-box and reel |
| EP3529517A4 (en) * | 2016-10-24 | 2020-06-24 | Ingersoll-Rand Industrial U.S., Inc. | Mechanism to selectively fix or free planetary carrier of epicyclic gearbox |
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2009
- 2009-12-10 CN CN2009202919941U patent/CN201588908U/en not_active Expired - Fee Related
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| CN102588533A (en) * | 2011-01-06 | 2012-07-18 | 通用汽车环球科技运作有限责任公司 | Torque transmitting device control strategy for a nine speed transmission |
| CN102588533B (en) * | 2011-01-06 | 2015-04-01 | 通用汽车环球科技运作有限责任公司 | Torque transmitting device control strategy for a nine speed transmission |
| CN102954159A (en) * | 2011-08-19 | 2013-03-06 | 中山大学 | Simple parallel connection type independently controllable transmission mechanism |
| CN102954159B (en) * | 2011-08-19 | 2015-10-28 | 中山大学 | Simplify parallel connection type and independently can control driving mechanism |
| CN103138473A (en) * | 2011-12-05 | 2013-06-05 | 柴捷 | Planetary inner gear braking clutch motor flywheel energy-storage energy-release charging device |
| CN102658771A (en) * | 2012-04-16 | 2012-09-12 | 中国汽车技术研究中心 | Automobile generator car system based on hybrid power system |
| CN103641009A (en) * | 2013-12-31 | 2014-03-19 | 泰安市辉腾机械有限公司 | Planetary transmission lifting mechanism with variable-speed double motors |
| CN106090149A (en) * | 2016-05-25 | 2016-11-09 | 广州市新域动力技术有限公司 | Bi-motor disc type stepless variable-speed dynamic system |
| CN106090149B (en) * | 2016-05-25 | 2017-05-24 | 广州市新域动力技术有限公司 | Double-motor plate type infinitely-variable-speed power system |
| CN109843778A (en) * | 2016-10-24 | 2019-06-04 | 英格索尔-兰德公司 | Use the dual intensity power capstan winch of two motors and single gear-box and reel |
| EP3529517A4 (en) * | 2016-10-24 | 2020-06-24 | Ingersoll-Rand Industrial U.S., Inc. | Mechanism to selectively fix or free planetary carrier of epicyclic gearbox |
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