CN110422044A - Automobile and hybrid power system - Google Patents
Automobile and hybrid power system Download PDFInfo
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- CN110422044A CN110422044A CN201910756813.6A CN201910756813A CN110422044A CN 110422044 A CN110422044 A CN 110422044A CN 201910756813 A CN201910756813 A CN 201910756813A CN 110422044 A CN110422044 A CN 110422044A
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- Prior art keywords
- gear
- ring
- planet carrier
- output shaft
- sun gear
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- 238000005183 dynamical system Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 230000001172 regenerating effect Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000008450 motivation Effects 0.000 description 4
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
- B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
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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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
An automobile and a hybrid power system, the hybrid power system comprising: a planetary gear set including a sun gear, a planet carrier, and a ring gear; the engine comprises an engine output shaft, the engine output shaft is connected with one of the sun gear, the planet carrier and the gear ring in a torque-resistant manner; the motor comprises a motor output shaft, and the motor output shaft is connected with the other one of the sun gear, the planet carrier and the gear ring in a torque-resistant manner; the gearbox comprises a gearbox input shaft, the gearbox input shaft is connected with one of the sun gear, the planet carrier and the gear ring in a torque-resistant manner; the first clutch is arranged between any two of the sun gear, the planet carrier and the gear ring; and the second clutch is arranged between the shell of the hybrid power system and one of the sun gear, the planet carrier and the gear ring which are connected with the output shaft of the engine. The hybrid power system provided by the embodiment of the invention can realize that the engine and the motor operate in respective high-efficiency rotating speed intervals, and reduces energy loss.
Description
Technical field
The present embodiments relate to automobile technical field more particularly to a kind of automobiles and hybrid power system.
Background technique
Hybrid vehicle refers to that drive system is constituted jointly by two or more single drive systems that can be operated simultaneously
Vehicle, the power of vehicle is from the hybrid power assembly at least two power units.Hybrid vehicle by internal combustion engine,
Motor is together with battery combination, the advantages of can playing internal-combustion engine vehicle and electric vehicle, is to reduce consumption of petroleum and titanium dioxide
One of effective way of carbon emission.
The power that internal combustion engine or motor provide passes to gear first, and gear adjusts torsion by adjusting transmission ratio
Square output, and finally impart power to wheel.
It is a kind of arrangement of hybrid power system that P2 mode is mixed dynamic, and each mould is realized by individual clutch
Powershift between formula.Wherein, P represents position of the driving motor in hybrid dynamic system, " 2 " refer to internal combustion engine after, speed change
Before device.
The energy loss of current P2 mode mixture dynamical system is larger.
Summary of the invention
The technical issues of embodiment of the present invention solves is the energy loss for reducing P2 mode mixture dynamical system, improves the energy
Utilization rate.
To solve the above problems, the embodiment of the present invention provides a kind of hybrid power system, comprising:
Planetary gear set, including sun gear, planet carrier and gear ring；
Engine, including engine output shaft, the engine output shaft and the sun gear, the planet carrier and described
Connect to one of gear ring three torque resistant；
Motor, including motor output shaft, the motor output shaft and the sun gear, the planet carrier and the gear ring three
Connect to the other of person torque resistant；
Gearbox, including transmission input shaft, the transmission input shaft and the sun gear, the planet carrier and described
Connect to the torque resistant of one again in gear ring three；
First clutch is set to the sun gear, and appointing in the planet carrier and the gear ring three is between the two；
Second clutch, the institute for being set to the shell of the hybrid power system and being connected with the engine output shaft
Sun gear is stated, between one of the planet carrier and the gear ring three.
Optionally, the first clutch is one-way clutch, including the first outer ring and the first inner ring, first outer ring
With the sun gear, connect to one of the planet carrier and the gear ring three torque resistant, first inner ring with it is described
Sun gear connects to the other of the planet carrier and the gear ring three torque resistant, and the first clutch is configured to protect
The revolving speed of one of the sun gear that card is connected with the motor output shaft, the planet carrier and the gear ring three are not
Lower than the sun gear being connected with the transmission input shaft, one of the planet carrier and described gear ring three's turns
Speed.
Optionally, the second clutch is one-way clutch, including the second outer ring and the second inner ring, second outer ring
It is connect with one of both second inner ring with the shell of the hybrid power system, second outer ring and described second
The other of both inner rings and the sun gear being connected with the engine output shaft, the planet carrier and the gear ring
It connects to one of three torque resistant, the second clutch is configured to prevent the engine output shaft from reversing.
Optionally, it connect to one of first outer ring and both described gear ring and the sun gear torque resistant, institute
It connect with stating the other of the first inner ring and both the gear ring and the sun gear torque resistant.
Optionally, it connect to one of first outer ring and both described gear ring and the planet carrier torque resistant, institute
It connect with stating the other of the first inner ring and both the gear ring and the planet carrier torque resistant.
Optionally, it connect to one of first outer ring and both described planet carrier and the sun gear torque resistant,
The other of first inner ring and both the planet carrier and sun gear torque resistant it connect.
Optionally, the hybrid power system, further includes:
Gear is fixed on the motor output shaft, and the motor output shaft is mutually nibbled by the gear with the gear ring
Conjunction is connect with the gear ring torque resistant.
To solve the above problems, the embodiment of the present invention also provides a kind of automobile, including above-mentioned hybrid power system.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
Hybrid power system provided by the embodiment of the present invention, comprising: planetary gear set, including sun gear, planet carrier and
Gear ring；Engine, including engine output shaft, the engine output shaft and the sun gear, the planet carrier and the tooth
Connect to one of circle three torque resistant；Motor, including motor output shaft, the motor output shaft and the sun gear, institute
It connects with stating the other of planet carrier and the gear ring three torque resistant；Gearbox, including transmission input shaft, the speed change
Case input shaft and the sun gear connect to the torque resistant of one again in the planet carrier and the gear ring three；First clutch
Device is set to the sun gear, and appointing in the planet carrier and the gear ring three is between the two；Second clutch is set to
The shell of the hybrid power system and the sun gear being connected with the engine output shaft, the planet carrier and
Between one of described gear ring three.Hybrid power system provided by the embodiment of the present invention, the work under hybrid mode
When making, engine and motor are used as power source, and engine delivers torque to sun gear, and one in planet carrier and gear ring three
Person, motor deliver torque to sun gear, the other of planet carrier and gear ring three, using sun gear, planet carrier and tooth
Remaining one in circle three imparts power to transmission input shaft, the i.e. sun gear of planetary gear set, planet carrier and gear ring
It is any both as power intake in three, power is passed through into sun gear, the remaining one in planet carrier and gear ring three
Gearbox is passed to, wheel is eventually transferred to；When working under pure motor mode, second clutch transmits torque, prevents from starting
Machine output shaft reverses, and the power of motor will not be transmitted to engine by planetary gear set, so that motor can lead to whole power
It crosses planetary gear set and passes to gearbox, reduce energy loss, improve energy utilization rate；When working under brake mode,
Second clutch prevents engine output shaft from reversing, and first clutch guarantees the sun being connected with the motor output shaft
Wheel, the revolving speed of one of the planet carrier and described gear ring three with the transmission input shaft not less than described in being connected
The revolving speed of one of sun gear, the planet carrier and the gear ring three, so that motor can continue to generate electricity, the traveling of vehicle
Power can be sufficiently converted into electric energy, effectively progress energy regenerating.As can be seen that hybrid power provided by the embodiment of the present invention
System, by the way that planetary gear set is arranged, and by engine output shaft and the sun gear, the planet carrier and the gear ring three
One of torque resistant connect, motor output shaft and the sun gear are another in the planet carrier and the gear ring three
Connect to person's torque resistant, realize engine and motor respectively with the operation of respective high efficiency revolving speed section, and first clutch and
The setting of second clutch ensure that the driving power of vehicle under brake mode is completely converted into electric energy, to reduce energy damage
Consumption, improves energy utilization rate, further, by the way that planetary gear set is arranged between the engine and the gearbox, because of planet tooth
The axial dimension of wheel group is smaller, is conducive to the volume for reducing entire hybrid power system, moreover, by biasing motor, into one
Step reduces the installation space of entire hybrid power system, and is conducive to planetary gear set and motor split settings to the two
It is lubricated respectively.
In optinal plan, the first clutch is one-way clutch, including the first outer ring and the first inner ring, described first
Outer ring and the sun gear, connect to one of the planet carrier and the gear ring three torque resistant, first inner ring with
The sun gear connects to the other of the planet carrier and the gear ring three torque resistant, the first clutch configuration
To guarantee the sun gear that is connected with the motor output shaft, turn of one of the planet carrier and described gear ring three
Speed is not less than the sun gear being connected with the transmission input shaft, one of the planet carrier and the gear ring three
Revolving speed.Because first clutch is one-way clutch, one-way clutch can change torque biography when direction of transfer changes automatically
Movement Capabilities, it is too long so as to avoid the reaction time caused by artificial control clutch, then in brake process, gearbox input
The torque of axis is transferred to motor by the effect of planetary gear set and first clutch, and motor is made to generate electricity immediately, effectively progress energy
Amount recycling, meanwhile, motor provides a brake control power immediately in power generation process, guarantees braking effect.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of hybrid power system；
Fig. 2 is a kind of structural schematic diagram of hybrid power system provided by the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another kind hybrid power system provided by the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another hybrid power system provided by the embodiment of the present invention.
Wherein: 1- first clutch；2- second clutch；3- motor；4- gearbox；5- engine；
10- sun gear；20- planet carrier；30- gear ring；40- engine；400- engine output shaft；50- motor；500- electricity
Machine output shaft；60- first clutch；70- second clutch；80- gear；90- gearbox；900- transmission input shaft；600-
First clutch；6- first clutch.
Specific embodiment
It can be seen from background technology that the energy loss of current P2 mode mixture dynamical system is larger.
Referring to FIG. 1, Fig. 1 is a kind of partial structural diagram of hybrid power system.
As shown, hybrid power system includes motor, first clutch 1, second clutch 2, left end connects engine
5, right end connects gearbox 4.Under hybrid power output mode, because engine 5 and motor 3 share same output shaft, 5 He of engine
The revolving speed having the same of motor 3, since engine 5 is different with the revolving speed section of the high-efficiency operation of motor 3, and engine 5 and electricity
Machine 3 shares same output shaft and defines that the revolving speed of engine 5 and motor 3 must be equal again, this results in the revolving speed when output shaft
When meeting engine 5 and operating in the revolving speed section of its high-efficiency operation, motor 3 then cannot achieve high-efficiency operation, similarly, work as output
When the revolving speed of axis meets motor 3 and operates in the revolving speed section of its high-efficiency operation, due to the revolving speed in the high-efficiency operation section of motor 3
Much larger than the revolving speed in the high-efficiency operation section of engine 5, then it can shorten the service life of engine, it can be seen that engine 5 and motor
3 share same output shaft may cause entire hybrid power system can not efficient operation so that energy loss is larger.
In order to reduce energy loss, the embodiment of the invention provides a kind of hybrid power systems, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work belongs to what the present invention protected
Range.
It should be noted that the orientation or positional relationship of instruction involved by this specification is side based on the figure
Position or positional relationship are merely for convenience of description and simplification description, rather than the device of indication or suggestion meaning must have spy
Fixed orientation with specific orientation construction, therefore is not considered as limiting the invention.
Referring to FIG. 2, Fig. 2 is a kind of structural schematic diagram of hybrid power system provided by the embodiment of the present invention.
As shown, hybrid power system provided by the embodiment of the present invention, comprising:
Planetary gear set, including sun gear 10, planet carrier 20 and gear ring 30；
Engine 40, including engine output shaft 400, the engine output shaft 400 and the sun gear 10, the row
Connect to one of 30 three of carrier 20 and gear ring torque resistant；
Motor 50, including motor output shaft 500, the motor output shaft 500 and the sun gear 10, the planet carrier 20
It is connected with the other of 30 three of gear ring torque resistant；
Gearbox, including transmission input shaft 900, the transmission input shaft 900 and the sun gear 10, the planet
Connect to the torque resistant of one again in 30 three of frame 20 and the gear ring；
First clutch 60, is set to the sun gear 10, and wantonly two in 30 three of the planet carrier 20 and the gear ring
Between person；
Second clutch 70, be set to the hybrid power system shell and with the engine output shaft 400
The sun gear 10 being connected, between one of 30 three of the planet carrier 20 and the gear ring.
As shown in Fig. 2, in the present embodiment, in order to be better achieved planetary gear set deceleration torque increase effect, the hair
Motivation output shaft 400 is connect with 10 torque resistant of sun gear；The motor output shaft 500 is with 30 torque resistant of gear ring
Connection；The transmission input shaft 900 is connect with 20 torque resistant of planet carrier.First clutch 60 is set to the gear ring
Between 30 and the sun gear 10；Second clutch 70 is set between the engine 40 and the sun gear 10.
Certainly, in other embodiments, those skilled in the art can deform connection relationship according to the present embodiment,
It is connect for example, engine output shaft can also be with gear ring torque resistant, motor output shaft is connect with sun gear torque resistant, is become
Fast case output shaft is connect, etc. with planet carrier torque resistant.The specific connection relationship in part is only enumerated above, without that should become pair
The concrete restriction of the embodiment of the present invention.
Hybrid power system provided by the embodiment of the present invention, when working under hybrid mode, engine and motor
It is used as power source, engine delivers torque to sun gear, and one of planet carrier and gear ring three, motor transmits torque
To sun gear, the other of planet carrier and gear ring three, the remaining one using sun gear, in planet carrier and gear ring three
Transmission input shaft, the i.e. sun gear of planetary gear set are imparted power to, any the two in planet carrier and gear ring three is made
For power intake, power is passed through into sun gear, the remaining one in planet carrier and gear ring three passes to gearbox, final to pass
It is delivered to wheel；When working under pure motor mode, second clutch transmits torque, prevents engine output shaft from reversing, motor
Power will not be transmitted to engine by planetary gear set, so that whole power can be passed to change by planetary gear set by motor
Fast case, reduces energy loss, improves energy utilization rate；When working under brake mode, second clutch prevents engine
Output shaft reverses, and first clutch guarantees the sun gear that is connected with the motor output shaft, the planet carrier and described
The revolving speed of one of gear ring three is not less than the sun gear that is connected with the transmission input shaft, the planet carrier and
The revolving speed of one of the gear ring three, so that motor can continue to generate electricity, the driving power of vehicle can be sufficiently converted into
Electric energy, effectively progress energy regenerating.As can be seen that hybrid power system provided by the embodiment of the present invention, by the way that planet is arranged
Gear set, and by engine output shaft and the sun gear, one of the planet carrier and the gear ring three torque resistant
Connection, motor output shaft and the sun gear, connect to the other of the planet carrier and the gear ring three torque resistant, real
Existing engine and motor are respectively with the operation of respective high efficiency revolving speed section, and the setting of first clutch and second clutch is protected
The driving power for having demonstrate,proved vehicle under brake mode is completely converted into electric energy, to reduce energy loss, improves using energy source
Rate, further, by the way that planetary gear set is arranged between the engine and the gearbox, because planetary gear set axial dimension compared with
It is small, be conducive to the volume for reducing entire hybrid power system, moreover, further reducing entire mixing by biasing motor
The installation space of dynamical system, and by planetary gear set and motor split settings, be conducive to be lubricated the two respectively.
In the following, being connect with the engine output shaft with the sun gear torque resistant for convenience of describing；The motor is defeated
Shaft is connect with the gear ring torque resistant；The transmission input shaft is connect with the planet carrier torque resistant, the first clutch
Device is set between the gear ring and the sun gear；Second clutch is set between the engine and the sun gear
Example, is described in detail the embodiment of the present invention, but this scheme cannot function as the limitation of the scope of the present invention.
As shown in Fig. 2, in a specific embodiment, to improve reaction speed, mixing provided by the embodiment of the present invention
The first clutch 60 of dynamical system is one-way clutch, including the first outer ring and the first inner ring, first outer ring with
The sun gear 10 connects to one of 30 three of the planet carrier 20 and gear ring torque resistant, first inner ring with
The sun gear 10 connects to the other of 30 three of the planet carrier 20 and gear ring torque resistant, first clutch
Device 60 is configured to ensure that the sun gear 10 being connected with the motor output shaft 500, the planet carrier 20 and the gear ring
The revolving speed of one of 30 threes is not less than the sun gear 10 being connected with the transmission input shaft 900, the planet
The revolving speed of one of 30 three of frame 20 and the gear ring.
As shown in Fig. 2, specifically, to be connect when engine output shaft 400 with the sun gear 10, the motor output shaft
500 connect with the gear ring 30, when the transmission input shaft 900 is connected with the planet carrier 20 for, first clutch 60
Effect show themselves in that in the planet carrier 20 when rotating in the forward direction speed lower than 30 rotation speed of gear ring, first clutch
60 do not transmit torque.In the planet carrier 20 when rotating in the forward direction speed and have higher than 30 rotation speed of gear ring, the first clutch
Device 60 transmits torque, to guarantee that the speed of gear ring 30 is not less than the speed of planet carrier 20.
First outer ring as described herein and the sun gear 10, in 30 three of the planet carrier 20 and the gear ring
It connects to one torque resistant, first inner ring and the sun gear 10, in 30 three of the planet carrier 20 and the gear ring
The sun gear 10 for referring to planetary gear set is connected to another one torque resistant, any the two point in 30 three of planet carrier 20 and gear ring
It is not connect with the first outer ring and the first inner ring torque resistant, such as: the first outer ring is connect with 10 torque resistant of sun gear, in first
Circle is connect with 30 torque resistant of gear ring；Alternatively, the first inner ring is connect with 10 torque resistant of sun gear, the first outer ring and gear ring 30 are anti-
Connect to torque；Alternatively, the first outer ring is connect with 10 torque resistant of sun gear, the first inner ring with 20 torque resistant of planet carrier connects
Connect, etc., those skilled in the art can voluntarily deform connection relationship according to the present embodiment.
Because first clutch 60 is one-way clutch, one-way clutch can change torsion when direction of transfer changes automatically
Square transmittability, it is too long so as to avoid the reaction time caused by artificial control clutch, then in brake process, gearbox
The torque of input shaft is transferred to motor by the effect of planetary gear set and first clutch 60, so that motor is generated electricity immediately, effectively
Energy regenerating is carried out, meanwhile, motor provides a brake control power immediately in power generation process, guarantees braking effect.
Similarly, as shown in Fig. 2, in a specific embodiment, to improve reaction speed, provided by the embodiment of the present invention
The second clutch 70 of hybrid power system can also be one-way clutch, including the second outer ring and the second inner ring, described second
One of both outer ring and second inner ring are connect with the shell of the hybrid power system, second outer ring and described
The other of both second inner rings and the sun gear 10 being connected with the engine output shaft 400, the planet carrier
It connects to one of 20 and 30 three of the gear ring torque resistant, the second clutch 70 is configured to prevent the engine defeated
Shaft 400 reverses.
Specifically, connect with the sun gear 10 when engine output shaft 400, the motor output shaft 500 with it is described
Gear ring 30 connect, when the transmission input shaft 900 is connected with the planet carrier 20 for, the second clutch is configured to prevent
Only the engine output shaft 400 reverses, and shows themselves in that when engine output shaft 400 rotates forward, second clutch 70
Torque is not transmitted, torque can be passed to the sun gear 10 from engine output shaft 400 by engine.When sun gear 10 and hair
When motivation output shaft 400 has the tendency that reversing, second clutch 70 transmits torque, prevents sun gear 10 and engine output shaft
400 reverse.
One of both described second outer ring as described herein and second inner ring and the hybrid power system
Shell connection, the other of both described second outer ring and second inner ring and is connected with the engine output shaft 400
The sun gear 10 connect connects to one of 30 three of the planet carrier 20 and gear ring torque resistant, refers to second
Second outer ring of clutch 70 and the second inner ring are separately connected in the three of shell and planetary gear set and engine output shaft 400
One of torque resistant connection, for example, can be outside second when engine output shaft 400 is connect with 10 torque resistant of sun gear
Circle connection shell, the second inner ring connect sun gear 10；It is also possible to the second inner ring connection shell, the second outer ring connects sun gear
10.When engine output shaft 400 is connect with 30 torque resistant of gear ring, the second outer ring connection shell can be, the second inner ring connects
Gear ring 30 is connect, or can be the second inner ring connection shell, the second outer ring connects gear ring 30, etc., and those skilled in the art can
Voluntarily to be deformed according to the present embodiment to connection relationship.
Because second clutch 70 is one-way clutch, one-way clutch can change torsion when direction of transfer changes automatically
Square transmittability, it is too long so as to avoid the reaction time caused by artificial control clutch, then under electric-only mode, second
Clutch 70 plays a role automatically, and engine does not provide torque, and motor provides torque, since second clutch 70 is configured to prevent
The engine output shaft reverses, therefore under electric-only mode, the torque of motor cannot be transferred to hair by planetary gear set
Motivation, prevents that motor is counter drags engine, so that whole power can be passed to transmission input shaft by gear ring 30 by motor 40
900, energy loss is reduced, energy utilization rate is improved.
As shown in Fig. 2, in a specific embodiment, one in the first outer ring and the gear ring and described sun gear the two
It connects to person's torque resistant, connect to the other of the first inner ring and both described gear ring and the sun gear torque resistant.
That is, first outer ring is connect with 30 torque resistant of gear ring, first inner ring and the sun gear 10 are anti-
Connect to torque；
Alternatively, first outer ring is connect with 10 torque resistant of sun gear, first inner ring and the gear ring 30
Connect to torque resistant.
Specifically, under hybrid mode, the torque of engine 40 passes to sun gear through engine output shaft 400
10, the torque of motor 50 passes to gear ring 30 through motor output shaft 500, by the power coupling of planetary gear set, by planet carrier
20 deliver torque to transmission input shaft 900, are eventually transferred to wheel.To realize engine 40 and motor 50 respectively each
From high efficient area between run.Under this operating condition, first clutch and second clutch do not transmit torque.
Under pure engine mode, motor 50 does not work, and engine 40 can pass through engine output shaft as power source
400 impart power to sun gear 10, the setting of first clutch 60 so that sun gear 10 can impart power to gear ring 30, from
And gear ring 30 is with rotational speed identical with sun gear 10, gear ring 30 drives the rotation of motor 50 to charge the battery, meanwhile, sun gear
10 impart power to planet carrier 20, and planet carrier 20 passes to transmission input shaft 900, is ultimately transferred to wheel.It is i.e. pure to start
Under machine mode, on the one hand the power of engine is transferred to transmission input shaft 900, be on the one hand transferred to motor output shaft 500 with
Motor rotation power generation is driven, to improve energy utilization rate.
Under energy recuperation mode, when starting is braked, engine 40 stops providing positive-torque, and only exists the friction of itself
Power torque, and frictional torque is limited, it is difficult to biggish brake force is provided；Motor 50 also stops providing torque, but motor 50 can
To be capable of providing biggish brake force simultaneously using the kinetic energy power generation of wheel, and in power generation process, that is, have biggish system
Dynamic torque acts on gear ring 30.Because second clutch 70 is one-way clutch, and second clutch 70 be configured to prevent it is described
Engine output shaft reverses, therefore, under energy recuperation mode, the setting of second clutch 70 so that planetary gear set power
It will not be transferred to engine 40, and the sun gear 10 and gear ring 30 of planetary gear set can be transmitted to, process of the motor in power generation
In, the revolving speed for the gear ring 30 with its torque resistant connecting is reduced by drag effects, and the revolving speed of sun gear 10 is higher, thus the sun
Revolving speed can be passed to gear ring 30 by first clutch 60 by wheel 10 again, so that the final vehicle energy overwhelming majority is transferred to
Gear ring 30, and motor 50 is transferred to by gear ring 30, motor 50 generates electricity, is eventually converted into electric energy, improves energy utilization rate.It can
See, in brake process, because second clutch 70 is one-way clutch, it can be ensured that sun gear 10 stops immediately by power transmission
To engine 40, first clutch 60 can guarantee that the power that vehicle is advanced is transferred to gear ring 30 through planet carrier 20 until motor
Output shaft 500, so that motor can continue to generate electricity, the driving power of vehicle can be sufficiently converted into electric energy, effectively progress energy
Recycling.
Under electric-only mode, engine 40 does not work, and power is transferred to gear ring 30 by motor 50, and second clutch 70 will
The revolving speed of sun gear 10 remains 0, and by the power coupling of planetary gear set, it is defeated to deliver torque to gearbox by planet carrier 20
Enter axis 900, the power of motor 50 will not be transmitted to engine by planetary gear set, so that motor 50 can pass through whole power
Planetary gear set passes to gearbox, reduces energy loss, improves energy utilization rate.
With continued reference to Fig. 2, in a specific embodiment, for the ease of power transmission, the power hybrid system may be used also
To include:
Gear 80 is fixed on the motor output shaft 500, and the motor output shaft 500 passes through the gear 80 and institute
It states gear ring 30 and is meshed and connect with 30 torque resistant of gear ring.
In the present embodiment, the outer ring surface of gear ring can offer engaging tooth, and gear is by the outer ring with gear ring towards mutually nibbling
It connects with closing the torque resistant for realizing motor output shaft and gear ring.
Referring to FIG. 3, Fig. 3 is the structural schematic diagram of another kind hybrid power system provided by the embodiment of the present invention.
The present embodiment and upper embodiment same section please refer to an embodiment, and details are not described herein.The present embodiment with
Unlike a upper embodiment:
One of both first outer ring of the first clutch 600 and the planet carrier 20 and the sun gear 10 are anti-
It connects to torque, connects to the other of first inner ring and both the planet carrier 20 and the sun gear 10 torque resistant
It connects.
That is, the first outer ring of first clutch 600 is connect with 10 torque resistant of sun gear, first clutch 600
First inner ring is connect with 20 torque resistant of planet carrier；
Alternatively, the first outer ring of first clutch 600 is connect with 20 torque resistant of planet carrier, first clutch 600
The first inner ring connect with 10 torque resistant of sun gear.
Specifically, under hybrid mode, the torque of engine 40 passes to sun gear through engine output shaft 400
10, the torque of motor 50 passes to gear ring 30 through motor output shaft 500, and the torque superposition of gear ring 30 and sun gear 10 passes to row
Carrier 20, final planet carrier 20 deliver torque to transmission input shaft 900.
Under pure engine mode, motor 50 does not work, and engine 40 can pass through engine output shaft as power source
400 impart power to sun gear 10, and sun gear 10 imparts power to planet carrier 20, and planet carrier 20 passes to gearbox input
Axis 900, is ultimately transferred to wheel.
Under energy recuperation mode, because second clutch 70 is one-way clutch, it can be ensured that sun gear 10 stops immediately
By power transmission to engine 40, first clutch 600 guarantees that the revolving speed of gear ring is not less than the revolving speed of planet carrier, thus vehicle
Driving power is transferred to gear ring 30 up to motor 50 through planet carrier, so that motor can continue to generate electricity, the driving power energy of vehicle
It is enough sufficiently converted into electric energy, effectively progress energy regenerating.
Under electric-only mode, power is transferred to planet carrier 20 through gear ring 30 and is ultimately transferred to gearbox input by motor 50
Axis 900.Second clutch 70 carries out torque transmitting, and the power of motor 50 will not be transmitted to engine 40 by planetary gear set,
To which whole power can be passed to gearbox by planetary gear set by motor 50, energy loss is reduced, improves energy benefit
With rate.
Referring to FIG. 4, Fig. 4 is the structural schematic diagram of another hybrid power system provided by the embodiment of the present invention.
The present embodiment and previous embodiment same section please refer to previous embodiment, and details are not described herein.The present embodiment with
Unlike previous embodiment:
It connect to one of both first outer ring and the gear ring 30 and the planet carrier 20 torque resistant, described the
The other of both one inner ring and the gear ring 30 and the planet carrier 20 torque resistant it connect.
That is, the first outer ring of first clutch 6 is connect with 20 torque resistant of planet carrier, the first inner ring and the gear ring
Connect to 30 torque resistants；
Alternatively, the first outer ring of first clutch 6 is connect with 30 torque resistant of gear ring, the first inner ring and the planet
Connect to 20 torque resistant of frame.
That is, the first outer ring of first clutch 6 is connect with 30 torque resistant of gear ring, the first of first clutch 600
Inner ring is connect with 20 torque resistant of planet carrier；
Alternatively, the first outer ring of first clutch 6 is connect with 20 torque resistant of planet carrier, the of first clutch 6
One inner ring is connect with 30 torque resistant of gear ring.
Specifically, under hybrid mode, the torque of engine 40 passes to sun gear through engine output shaft 400
10, the torque of motor 50 passes to gear ring 30 through motor output shaft 500, and final planet carrier 20 delivers torque to gearbox input
Axis 900.
Under pure engine mode, motor 50 does not work, and engine 40 can pass through engine output shaft as power source
400 impart power to sun gear 10, and sun gear 10 imparts power to planet carrier 20, and planet carrier 20 passes to gearbox input
Axis 900, is ultimately transferred to wheel.
Under energy recuperation mode, because second clutch 70 is one-way clutch, it can be ensured that sun gear 10 stops immediately
Cooperate by power transmission to engine 40, and with first clutch 6, first clutch 6 guarantees that the revolving speed of gear ring is not less than planet
The revolving speed of frame, so that the driving power of vehicle is transferred to gear ring 30 up to motor 50, so that motor can continue to send out through planet carrier
The driving power of electricity, vehicle can be sufficiently converted into electric energy, effectively progress energy regenerating.
Under electric-only mode, power is ultimately transferred to transmission input shaft 900 through gear ring 30 by motor 50.Second clutch
Device 70 carries out torque transmitting, and the power of motor 50 will not be transmitted to engine 40 by planetary gear set, so that motor 50 can incite somebody to action
Whole power pass to gearbox by planetary gear set, reduce energy loss, improve energy utilization rate.
To solve the above problems, the embodiment of the present invention also provides a kind of automobile, including above-mentioned hybrid power system.Such as figure
Shown in 2, when working under hybrid mode, engine and motor are used as power source, and engine delivers torque to the sun
Wheel, one of planet carrier and gear ring three, motor deliver torque to sun gear, another in planet carrier and gear ring three
Person, using sun gear, the remaining one in planet carrier and gear ring three imparts power to transmission input shaft, i.e. planet tooth
The sun gear of wheel group, it is any both as power intake in planet carrier and gear ring three, power is passed through into sun gear, planet
Remaining one in frame and gear ring three passes to gearbox, is eventually transferred to wheel；When working under pure motor mode, second
Clutch transmission torque prevents engine output shaft from reversing, and the power of motor will not be transmitted to engine by planetary gear set,
To which whole power can be passed to gearbox by planetary gear set by motor, energy loss is reduced, using energy source is improved
Rate；When working under brake mode, second clutch prevents engine output shaft from reversing, and first clutch guarantees and the motor
The revolving speed of one of the sun gear that output shaft is connected, the planet carrier and the gear ring three are not less than and the change
The revolving speed of one of the sun gear that fast case input shaft is connected, the planet carrier and the gear ring three, it can be seen that
Automobile provided by the embodiment of the present invention is exported by the way that planetary gear set is arranged in its hybrid power system, and by engine
Axis and the sun gear, connect to one of the planet carrier and the gear ring three torque resistant, motor output shaft with it is described
Sun gear connects to the other of the planet carrier and the gear ring three torque resistant, realize engine and motor respectively with
The operation of respective high efficiency revolving speed section, and the setting of first clutch and second clutch ensure that vehicle under brake mode
Driving power is completely converted into electric energy, to reduce energy loss, improves energy utilization rate, further, by sending out
Planetary gear set is set between motivation and gearbox, because the axial dimension of planetary gear set is smaller, is conducive to reduce entire mixing
The volume of dynamical system, moreover, the installation space of entire hybrid power system is further reduced by biasing motor, and
By planetary gear set and motor split settings, be conducive to be lubricated the two respectively.
Although the embodiment of the present invention discloses as above, present invention is not limited to this.Anyone skilled in the art, not
It is detached from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should be with right
It is required that subject to limited range.
Claims (8)
1. a kind of hybrid power system characterized by comprising
Planetary gear set, including sun gear, planet carrier and gear ring；
Engine, including engine output shaft, the engine output shaft and the sun gear, the planet carrier and the gear ring
Connect to one of three torque resistant；
Motor, including motor output shaft, the motor output shaft and the sun gear, in the planet carrier and the gear ring three
Another one torque resistant connect；
Gearbox, including transmission input shaft, the transmission input shaft and the sun gear, the planet carrier and the gear ring
Connect to the torque resistant of one again in three；
First clutch is set to the sun gear, and appointing in the planet carrier and the gear ring three is between the two；
Second clutch, be set to the shell of the hybrid power system and described in being connected with the engine output shaft too
Sun wheel, between one of the planet carrier and the gear ring three.
2. hybrid power system as described in claim 1, which is characterized in that the first clutch is one-way clutch, packet
Include the first outer ring and the first inner ring, first outer ring and the sun gear, one in the planet carrier and the gear ring three
It connects to person's torque resistant, first inner ring and the sun gear, the other of the planet carrier and the gear ring three are anti-
It connects to torque, the first clutch is configured to ensure that the sun gear being connected with the motor output shaft, the row
The revolving speed of one of carrier and the gear ring three are not less than the sun gear being connected with the transmission input shaft, institute
State the revolving speed of one of planet carrier and the gear ring three.
3. hybrid power system as claimed in claim 2, which is characterized in that the second clutch is one-way clutch, packet
Include the second outer ring and the second inner ring, one of both described second outer ring and second inner ring and the hybrid power system
Shell connection, the other of both described second outer ring and second inner ring and be connected with the engine output shaft
The sun gear, connect to one of the planet carrier and the gear ring three torque resistant, second clutch configuration
To prevent the engine output shaft from reversing.
4. hybrid power system as claimed in claim 2, which is characterized in that first outer ring and the gear ring and it is described too
It connects to one of both sun wheels torque resistant, the other of first inner ring and both the gear ring and the sun gear
Connect to torque resistant.
5. hybrid power system as claimed in claim 2, which is characterized in that first outer ring and the gear ring and the row
It connects to one of both carrier torque resistant, the other of first inner ring and both the gear ring and the planet carrier
Connect to torque resistant.
6. hybrid power system as claimed in claim 2, which is characterized in that first outer ring and the planet carrier and described
Connect to one of both sun gears torque resistant, first inner ring with it is another in the planet carrier and described sun gear the two
Connect to one torque resistant.
7. hybrid power system as claimed in any one of claims 1 to 6, which is characterized in that further include:
Gear is fixed on the motor output shaft, the motor output shaft be meshed by the gear with the gear ring with
Connect to the gear ring torque resistant.
8. a kind of automobile, which is characterized in that including such as described in any item hybrid power systems of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910756813.6A CN110422044A (en) | 2019-08-16 | 2019-08-16 | Automobile and hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910756813.6A CN110422044A (en) | 2019-08-16 | 2019-08-16 | Automobile and hybrid power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110422044A true CN110422044A (en) | 2019-11-08 |
Family
ID=68414932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910756813.6A Pending CN110422044A (en) | 2019-08-16 | 2019-08-16 | Automobile and hybrid power system |
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| Country | Link |
|---|---|
| CN (1) | CN110422044A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373289A (en) * | 2020-11-05 | 2021-02-19 | 安徽江淮汽车集团股份有限公司 | Hybrid system and vehicle |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
| CN114654994A (en) * | 2022-04-24 | 2022-06-24 | 潍柴动力股份有限公司 | Hybrid power system and control method thereof |
-
2019
- 2019-08-16 CN CN201910756813.6A patent/CN110422044A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112373289A (en) * | 2020-11-05 | 2021-02-19 | 安徽江淮汽车集团股份有限公司 | Hybrid system and vehicle |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
| CN114654994A (en) * | 2022-04-24 | 2022-06-24 | 潍柴动力股份有限公司 | Hybrid power system and control method thereof |
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Application publication date: 20191108 |