CN109017266A - Hybrid gearbox and the automobile for using the speed changer - Google Patents

Hybrid gearbox and the automobile for using the speed changer Download PDF

Info

Publication number
CN109017266A
CN109017266A CN201810824014.3A CN201810824014A CN109017266A CN 109017266 A CN109017266 A CN 109017266A CN 201810824014 A CN201810824014 A CN 201810824014A CN 109017266 A CN109017266 A CN 109017266A
Authority
CN
China
Prior art keywords
clutch
gear
motor
driving
planetary gear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810824014.3A
Other languages
Chinese (zh)
Inventor
邱志凌
付军
罗大国
许正功
林霄喆
王瑞平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Ningbo Shangzhongxia Automatic Transmission Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Ningbo Shangzhongxia Automatic Transmission Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Ningbo Shangzhongxia Automatic Transmission Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201810824014.3A priority Critical patent/CN109017266A/en
Publication of CN109017266A publication Critical patent/CN109017266A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/36Arrangement 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
    • B60K6/365Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/38Arrangement 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 driveline clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • B60K6/547Transmission for changing ratio the transmission being a stepped gearing

Abstract

The present invention relates to automobile technical fields, more particularly, to a kind of hybrid gearbox and use the automobile of the speed changer.The hybrid gearbox, including engine, motor and planetary gear mechanism output shaft;It is provided with first clutch between the crankshaft of engine and the rotor of motor, for engaging or disconnecting the crankshaft of engine and the rotor of motor;It is provided with second clutch and third clutch between the rotor and planetary gear mechanism of motor, for engaging or disconnecting the rotor and planetary gear mechanism of motor, to realize four to six shift gear.Mixing force automobile of the invention can reduce engine in motor driven to the drag of motor, improve fuel economy including the hybrid gearbox;Engine and motor driven can be used simultaneously again, vehicle is improved and accelerate dynamic property.

Description

Hybrid gearbox and the automobile for using the speed changer
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of hybrid gearbox and use the vapour of the speed changer Vehicle.
Background technique
The vehicle that hybrid vehicle is generally driven by using prime mover of two kinds of different energy sources: liquid fuel is used The motor (EM) of conventional internal combustion engine (ICE) and battery power.There are many different modes to be incorporated to vehicle for the power of motor Dynamical system.Currently a popular hybrid vehicle uses double-motor power distribution formula transmission scheme (such as patent CN107298016A), it is desirable that while two motors are controlled to adjust the speed, not only manufacturing cost is high, accelerating ability is poor (depends on motor With torque smaller in engine), and work under many inefficient speed (such as low-speed or high-speed) because motor is obtained, in addition electronic work When, engine has towing torque resistance to it.
Summary of the invention
It is existing to solve the purpose of the present invention is to provide a kind of hybrid gearbox and using the automobile of the speed changer Present in technology in electronic work, engine has the technical issues of towing torque resistance to it.
The present invention provides a kind of hybrid gearboxes, including engine, motor and planetary gear mechanism;It is described to start Be provided with first clutch between the crankshaft of machine and the rotor of the motor, for engage or disconnect the crankshaft of the engine with The rotor of the motor;It is provided with second clutch between the rotor of the motor and the planetary gear mechanism, for engaging Or disconnect the rotor and the planetary gear mechanism of the motor.
It further include planetary gear train gear ring and output shaft, the planetary gear train further in any of the above-described technical solution Gear ring is meshed with the planetary gear mechanism, and the planetary gear mechanism is started by the planetary gear train gear ring by described Machine and/or the power of motor input pass to the output shaft.
In any of the above-described technical solution, further, between the rotor of the motor and the planetary gear mechanism also It is provided with third clutch, for engaging or disconnecting the rotor and the planetary gear mechanism of the motor.
In any of the above-described technical solution, further, the first driving end and the first input shaft of the third clutch Be fixedly connected, the second driving end of the third clutch is fixedly connected with the rotor of the motor, first input shaft with The planet carrier of the planetary gear mechanism is connected, wherein the first driving end of the third clutch and the third clutch It can engage or disconnect between second driving end of device.
It further include first brake device further in any of the above-described technical solution, for first input shaft Carry out locking.
It further include secondary braking device further in any of the above-described technical solution, for the planetary gear machine The sun gear that reverses gear of structure carries out locking.
In any of the above-described technical solution, further, further include the 4th clutch and reverse gear input shaft, it is described reverse gear it is defeated Enter axis to be connected with the crankshaft of the engine, the first driving end of the 4th clutch and falling for the planetary gear mechanism Wheel of keeping off the sunshine is connected, and the second driving end of the 4th clutch is fixedly connected with the input shaft that reverses gear, wherein described It can engage or disconnect between first driving end of four clutches and the second driving end of the 4th clutch.
In any of the above-described technical solution, further, the crankshaft of the engine by damper with described first from First driving end of clutch is fixedly connected, and the second driving end of the first clutch is fixedly connected with the rotor of the motor, Wherein, it can engage or break between the first driving end of the first clutch and the second driving end of the first clutch It opens.
In any of the above-described technical solution, further, the first driving end and the second input shaft of the second clutch Be fixedly connected, the second driving end of the second clutch is fixedly connected with the rotor of the motor, second input shaft with The advance sun gear of the planetary gear mechanism is connected, wherein the first driving end of the second clutch and described second It can engage or disconnect between second driving end of clutch.
The present invention also provides a kind of automobiles, including the hybrid gearbox.
Compared with prior art, the invention has the benefit that
Hybrid gearbox provided by the invention, including engine, motor and planetary gear mechanism output shaft;Engine Crankshaft and motor rotor between be provided with first clutch, for engage or disconnect engine crankshaft and motor turn Son;It is provided with second clutch between the rotor and planetary gear mechanism of motor, for engaging or disconnecting the rotor and row of motor Star gear mechanism.By the way that first clutch is arranged between engine and motor, to realize the engagement between engine and motor Or disconnect, to can reduce engine in the work of motor driven planetary gear mechanism to the drag of motor, improve Fuel economy.
The present invention also provides automobile, including the hybrid gearbox.Based on above-mentioned analysis it is found that the mixing is dynamic Power speed changer can reduce engine to the drag of motor, improve fuel economy.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the hybrid gearbox of the first structure provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of the hybrid gearbox of second of structure provided in an embodiment of the present invention;
Fig. 3 is the structural schematic diagram of the hybrid gearbox of the third structure provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of compound planetary gearing provided in an embodiment of the present invention.
Icon:
1- engine;2- crankshaft;3- damper;Drum in 4-;5- motor;51- rotor;52- stator;53- needle bearing; 54- bearing;55- electric machine casing;6- first clutch;7- second clutch;8- third clutch;9- planetary gear mechanism;91- First input shaft;92- reverse gear sun gear;93- planetary gear train gear ring;931- pinion gear;932- internal gear;933- gear wheel;94- Second input shaft;95- long planetary gear;96- planet carrier;97- advance sun gear;The short planetary gear of 98-;10- first brake device; 101- case of transmission;11- first bearing;12- secondary braking device;The 4th clutch of 13-;14- reverse gear input shaft;15- Two gears;16- first gear;17- synchronizer;18- output shaft;181- parking ratchet wheel;182- second bearing;183- master subtracts tooth Wheel;19- differential mechanism;191- gear ring;20- wheel.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.
The component for the embodiment of the present invention for usually describing and showing in attached drawing here can be with a variety of different configurations To arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below and is wanted The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Embodiment one
It is shown in Figure 1, the embodiment of the present invention one provide a kind of hybrid gearbox include engine 1, motor 5, Planetary gear mechanism 9 and output shaft 18;It is provided with first clutch 6 between the crankshaft 2 of engine and the rotor 51 of motor, is used for Engagement disconnects the crankshaft of engine and the rotor of motor, that is to say, that the engagement or disconnection of first clutch make engine It can be connected or separate between crankshaft and the rotor of motor;Be provided between the rotor and planetary gear mechanism of motor second from Clutch 7, for engaging or disconnecting the rotor and planetary gear mechanism of motor, that is to say, that make the rotor and planetary gear of motor It can be connected or separate between mechanism 9;Planetary gear mechanism 9 is used to pass to the power that engine and/or motor input Output shaft, that is to say, that engine imparts power to planetary gear mechanism, and/or, when electrical power, motor is generated dynamic Power passes to planetary gear mechanism, and also with regard to saying, engine can work independently, and motor can work independently, engine and motor It can also work at the same time.Output shaft imparts power to the wheel of automobile again.
Hybrid gearbox provided in an embodiment of the present invention, by the way that the first clutch is arranged between engine and motor Device, to realize the engagement or disconnection between engine and motor, to can be dropped in the work of motor driven planetary gear mechanism Low engine improves fuel economy to the drag of motor.
In the optional scheme of the embodiment, the crankshaft of engine passes through the first driving end of damper 3 and first clutch It is fixedly connected, the second driving end of first clutch is fixedly connected with the rotor of motor, wherein the first transmission of first clutch It can engage or disconnect between end and the second driving end of first clutch.The effect of damper is the crankshaft for reducing engine And the vibration caused when being driven between rotor, improve NVH (noise, vibration and sound vibration roughness) performance.
Specifically, first clutch uses drum clutch, the interior drum 4 of first clutch is the first of first clutch Driving end, the external drum of first clutch is the second driving end of first clutch, in this way, the interior drum and motor casing of first clutch Body is connected by needle bearing 53, and the rotor of motor is supported on electric machine casing 55 through bearing 54, the stator and motor of motor Rotor it is corresponding, and the stator 52 of motor is fixedly connected with the electric machine casing of motor, and interior drum and the external drum of first clutch connect After conjunction, engine can impart power to the rotor of motor.What appended drawing reference 4 indicated is the interior drum of first clutch.
In the optional scheme of the embodiment, the first driving end of second clutch is fixedly connected with the second input shaft 94, the Second driving end of two clutches is fixedly connected with the rotor of motor, the advance sun gear of the second input shaft and planetary gear mechanism It is connected, wherein can engage or disconnect between the first driving end of second clutch and the second driving end of second clutch.
Specifically, planetary gear mechanism 9 is compound planetary gearing, compound planetary gearing includes the advance sun Wheel 97;Second clutch uses drum clutch, and the interior drum of second clutch is the first driving end of second clutch, second from The external drum of clutch is the second driving end of second clutch, and the external drum of such second clutch is fixedly connected with the rotor of motor; Second input shaft can be low speed input shaft;Second input shaft is fixedly connected with advance sun gear, when the interior drum of second clutch After engaging with external drum, the rotation of the rotor of motor can impart power to the second input shaft, and the second input shaft, which drives, to advance Sun gear rotation.It should be noted that planetary gear mechanism can also be multiple rows of planetary gear mechanism or single planetary gear machine Structure, multiple rows of planetary gear mechanism can be with three rows of planetary gear mechanisms, four rows, three rows of planetary gear mechanisms etc..
In the optional scheme of the embodiment, hybrid gearbox further includes planetary gear train gear ring 93, planetary gear train gear ring It is meshed with planetary gear mechanism, and planetary gear mechanism is moved by planetary gear train gear ring by what engine and/or motor inputted Power passes to output shaft.It should be noted that engine can be ICE engine, motor is EM motor.
Specifically, planetary gear train gear ring is meshed with compound planetary gearing;Compound planetary gearing further includes Planet carrier 96, short planetary gear 98 and long planetary gear 95;Short planetary gear and long planetary gear are mounted on planet carrier, advance sun gear Connection is engaged with long planetary gear by short planetary gear.Hybrid gearbox further includes case of transmission 101, planetary gear train gear ring It is installed on case of transmission by first bearing 11;Planetary gear train gear ring includes pinion gear 931 and internal gear 932;Pinion gear It is fixedly connected with internal gear;Internal gear is meshed with long planetary gear;Pinion gear and 16 phase of first gear being installed on output shaft Engagement;First gear can be low speed driven gear, can realize output shaft and two-row planetary gear by pinion gear in this way The transmitting of power between mechanism.
In the optional scheme of the embodiment, it is additionally provided with third clutch 8 between the rotor and planetary gear mechanism of motor, For engaging or disconnecting the rotor and planetary gear mechanism of motor.
Specifically, third clutch uses drum clutch, the interior drum of third clutch is the first of third clutch Driving end, the external drum of third clutch are the second driving end of third clutch.First driving end of third clutch and first Input shaft 91 is fixedly connected, and the second driving end of third clutch is fixedly connected with the rotor of motor, the first input shaft and planet The planet carrier of gear mechanism is connected, wherein the second driving end of the first driving end of third clutch and third clutch it Between can engage or disconnect.First input shaft can be high speed input shaft.First input shaft is fixedly connected with planet carrier.First is defeated Entering axis can be hollow shaft, and such second input shaft penetrates in the axial cavity of the first input shaft.
In the optional scheme of the embodiment, hybrid gearbox further includes first brake device 10, for defeated to first Enter axis 91 and carries out locking.First brake device is installed on case of transmission, and the interior drum of first brake device and planet carrier are solid Fixed connection, the interior drum of such first brake device are also fixedly connected with the first input shaft.When first brake device is in brake shape When state, planet carrier can be made to be kept fixed, i.e., planet carrier does not move;When first brake device is in releasing orientation, can make Planet carrier is rotated together with the first input shaft.
In the optional scheme of the embodiment, hybrid gearbox further includes secondary braking device 12, for planet tooth The sun gear 92 that reverses gear of wheel mechanism carries out locking.
Specifically, compound planetary gearing further includes the sun gear 92 that reverses gear;The sun gear that reverses gear mutually is nibbled with long planetary gear It closes.The interior drum of secondary braking device is fixedly connected with the sun gear that reverses gear.Secondary braking device is installed on case of transmission;When When two brake gears are in braking state, the sun gear that can make to reverse gear is kept fixed, that is, the sun gear that reverses gear does not move;When two brakes When device is in releasing orientation, reverse gear sun gear and long planetary gear engaged transmission.It should be noted that in the embodiment, first Brake gear and the second brake apparatus can use brake gear in the prior art, can also use clutch, as drum-type from Clutch;In addition, the brake of first brake device and the second brake apparatus can also be expressed as engaging, first brake device and second is stopped The release of device can also be expressed as disengaging.
In the optional scheme of the embodiment, it is additionally provided with master on output shaft and subtracts gear 183, the main gear that subtracts is used for output shaft Power pass to wheel 20, it is main to subtract gear and be meshed with the gear ring 191 of differential mechanism 19, and lead the gear ring for subtracting gear and differential mechanism Form third gear mesh.
In the optional scheme of the embodiment, parking ratchet wheel 181 is also provided on output shaft, for realizing to output shaft Locking.It should be noted that first gear can be fixed on output shaft.
In the optional scheme of the embodiment, the diameter for the sun gear that reverses gear is greater than the diameter of advance sun gear, and reverse gear sun gear It is coaxially arranged with advance sun gear.First gear and pinion gear form first gear pair.
Embodiment two
Hybrid gearbox in the present embodiment two is improvement on the basis of embodiment one, disclosed in embodiment one Technology contents not repeated description, one disclosure of embodiment also belong to two disclosure of the present embodiment.
Shown in Figure 2, in the embodiment, hybrid gearbox further includes the 4th clutch 13 and the input shaft that reverses gear 14, the input shaft that reverses gear is connected with the crankshaft of engine, the 4th first driving end of clutch and reversing gear for planetary gear mechanism Sun gear is connected, and the second driving end of the 4th clutch is fixedly connected with the input shaft that reverses gear, wherein the first of the 4th clutch It can engage or disconnect between driving end and the second driving end of the 4th clutch.The engagement of 4th clutch may be implemented to reverse gear Input shaft is rotated together with the sun gear that reverses gear.
Specifically, the 4th clutch uses drum clutch, the interior drum of the 4th clutch is the first of the 4th clutch Driving end, the external drum of the 4th clutch are the second driving end of the 4th clutch.
In the optional scheme of the embodiment, the second input shaft can be hollow shaft, and the input shaft that reverses gear in this way is penetrated in second In the axial cavity of input shaft.
Embodiment three
Hybrid gearbox in the present embodiment three is improvement on the basis of embodiment two, disclosed in embodiment two Technology contents not repeated description, two disclosure of embodiment also belong to three disclosure of the present embodiment.
Shown in Figure 3, in the embodiment, planetary gear train gear ring further includes gear wheel 933;Internal gear, gear wheel and small Gear is fixed together and coaxial rotating.The diameter of gear wheel is greater than the diameter of pinion gear.
In the optional scheme of the embodiment, synchronizer 17 and second gear 15 are also equipped on output shaft;Second gear can Think high speed driven gear;The diameter of second gear is less than the diameter of first gear.Synchronizer is located at first gear and the second tooth Between wheel, realize that first gear or second gear drive output shaft rotation by synchronizer.Second gear is meshed with gear wheel, Second gear and gear wheel form second gear pair.Due to using synchronizer, in the embodiment, first gear and the second tooth Wheel is installed on output shaft by second bearing 182.
The hybrid gearbox that any embodiment provides into embodiment three of the embodiment of the present invention one can be realized following normal With function: 3.1, the starting and charging of engine;3.2, engine is operated alone;3.3, motor is operated alone;3.4, start Machine and motor drive simultaneously;3.5, vehicle braking energy recycles;3.6, shifted;3.7, it moves backward;3.8, parking.This 8 kinds The working principle of common function is described as follows respectively:
3.1, the starting and charging of engine.
When first clutch engagement, the crankshaft of engine is connected with the rotor of generator.Starting motor can open Dynamic engine.Conversely, engine operating can drive generator to charge the battery.
3.2 engines are operated alone.
When engine operates, and engage first clutch, the power of engine can be passed to motor rotor or first from The external drum of clutch.Power is just input to two-row planetary gear machine through the second input shaft and advance sun gear by engagement second clutch Structure.If first brake device is made to be in braking state, the fixation of planet carrier may be implemented, remain stationary it, that is, planet carrier The speed axis for being equipped with long planetary gear speed ncIt is 0, according to the movement relation of compound planetary gearing, double planet tooth Take turns one grade of reduction ratio of mechanism are as follows:
α1It is the gear ratio of the internal gear and advance sun gear on planetary gear train gear ring.General α1Value is 2~3, is one grade Primary reduction ratio.
nin=nsfIt is the advance sun gear input speed of compound planetary gearing, i.e. the output of engine or motor turns Speed.
nrIt is the revolving speed of planetary gear train gear ring namely the output revolving speed of compound planetary gearing.
The revolving speed of planetary gear train gear ring can through first gear pair or second gear to passing to output shaft, then through it is main subtract gear, The gear ring and differential mechanism of differential mechanism drive wheel.Engine can also be remained by controlling the torque of motor according to automobilism situation Remaining power distributes to motor and charges the battery, to improve fuel economy.It should be noted that can will be electric in full throttle The moment of torsion control of machine is 0, and all engine powers are distributed to output shaft, to guarantee vehicle accelerating ability, when the working condition, and electricity Machine can not work.
3.3 motor are operated alone.
Start motor, disconnect first clutch and the 4th clutch, engages second clutch, motor power is through the advance sun Wheel is input to planetary gear mechanism.First brake device is set to be in braking state, the reduction ratio of hybrid gearbox is just 3.2 In formula (1).And input speed is exactly the revolving speed of motor at this time.Hereafter power transmission is operated alone identical with engine.
Due to first clutch of having connected between the crankshaft of engine and the rotor of motor, first clutch is disconnected When, when motor driven, the just not no towrope resistance of engine, to improve fuel economy when vehicle electrical is driven.
3.4 engines and motor drive simultaneously.
Start motor and engine simultaneously, engages first clutch and second clutch, while making at first brake device In braking state, the torque of the torque of motor and engine passes to advance sun gear through second clutch, on planetary gear train gear ring Max. output torque it is reachable:
Tr1(Te+Tice) (2)
TiceIt is the output torque of engine;
TeIt is the output torque of motor;
TrIt is the output torque on planetary gear train gear ring.
If α1=2.5, first gear to and the reduction ratio of third gear mesh be 5, (i.e. total reduction ratio be 12.5) starts The torque 180Nm of machine, the torque 200Nm of motor, then acting on the total torque on wheel are as follows:
Tt=12.5 (180+200)=4750 (Nm)
This torque is enough to make general car tyre slip, it is ensured that the good accelerating ability of automobile.
The recycling of 3.5 vehicle braking energies.
In vehicle deceleration braking, differential mechanism, output shaft of the vehicle inertia through automobile drag planetary gear train gear ring.First from Clutch and the 4th clutch disconnect, and engage second clutch and first brake device is made to be in braking state, planetary gear train gear ring It drags advance sun gear high-speed rotation, the rotor of motor is driven to operate power generation through second clutch, realize Brake Energy recycling.
3.6 shifted
Hybrid gearbox provided in an embodiment of the present invention is by engaging or disconnecting four clutches and two brake dresses Set realization.Fig. 3 shows each friction element working condition when 6 gears, and as shown in Table 1, table one is hybrid gearbox Gear and friction element (clutch and brake gear) action schedule:
X indicates engagement, and blank indicates to disconnect, and XO, which indicates engageable, to be disconnected;C0 indicates that first clutch, C1 indicate Second clutch, C2 indicate that third clutch, C3 indicate that the 4th clutch, B1 indicate that first brake device, B2 indicate that second stops Vehicle device;S15 indicates the second output gear;S16 indicates the first output gear;First output gear passes through first gear to defeated Power out, the second output gear pass through second gear to output power.
Following reduction ratio in 3.6 are only the reduction ratio of compound planetary gearing, and the reduction ratio is multiplied by first gear Pair reduction ratio and third gear mesh deceleration Bizet be total reduction ratio.
1 grade: when C1 is engaged with B1, remaining friction element is disconnected, and the reduction ratio of compound planetary gearing is by formula (1) It determines:
2 grades: C1 engages with B2, and reverse gear sun gear is fixed.Advance sun gear is same through planet carrier driving planetary gear train gear ring To rotation (shown in Figure 4).According to the movement relation of compound planetary gearing, reduction ratio are as follows:
a2It is the internal gear of planetary gear train gear ring and the gear ratio of reverse gear sun gear.α2Less than α1, general value 2 or so can With value for 2.
3 grades: C1 engages with C2, the advance sun gear and planet carrier of compound planetary gearing can be locked together, Rotate planetary gear train gear ring and input shaft (the first input shaft and the second input shaft) at the same speed, i.e., reduction ratio is 1:
4 grades: C2 engages with B2, and reverse gear sun gear is fixed.First input shaft is same through planet carrier driving planetary gear train gear ring To rotation.According to the movement relation of compound planetary gearing, reduction ratio are as follows:
Optimize α2And α1It can make 4 grades of reduction ratio of compound planetary gearing between 3.5 to 0.65.Recycle synchronizer Transformation output speed ratio is, it can be achieved that 5 to 6 drive shifts.Second gear to and first gear pair deceleration ratio and hybrid power The total reduction ratio of speed changer can meet the deceleration demand of various mixed electrical automobiles between 17 to 2.2.As used certain volume production speed change The planetary gear mechanism α of device1=2.731, α2=2.088, export speed ratio i15=0.7, i16=1.25, then each shelves of speed changer Speed ratio is as shown in Table 2:
Gear Total reduction ratio
1 16.385
2 9.363
3 6.000
3 4.057
5 3.360
6 2.272
R -11.224
This speed ratio is sufficient for the deceleration demand of most of mixed dynamic mixed vehicles.
3.7 reversing
In above-mentioned 4 grades of speed-change processes, (the first input shaft and second inputs the steering of planetary gear train gear ring with input shaft Axis) turn to it is identical.Realize reversing, input shaft must invert.For motor driven, as long as motor reversal achieves that reversing. Since general internal combustion engine can not invert, the hybrid gearbox in the embodiment of the present invention, by separately plus one the 4th from Clutch.When the 4th clutch and first brake device engage, engine is directly driven by reverse gear input shaft, the 4th clutch Dynamic reverse gear sun gear.Since planet carrier is fixed by first brake device, planetary gear train gear ring and sun gear anti-speed rotation of reversing gear, and Meet following fast relationship:
This engine mechanical reverse function is little to motor driven power or battery is smaller, is easy the mixed dynamic vapour of deficient electricity It is highly important for vehicle.
3.8 parking
If blocking parking ratchet wheel with brake pawl (not shown), output shaft is just lockable, and wheel is also the same as output shaft and difference Fast device locks together.
In example 1, if automobile primary will be by motor drive, power of motor and battery capacity are larger greatly, usually with electricity Machine drives reverse gear, can also save mechanical reverse in this way, that is, not need the 4th clutch in embodiment two, speed changer entire in this way Axial dimension it is more compact.
In example 2, eliminate an output gear S15, synchronizer, second gear to and second bearing also save. The connection of protoplanet gear mechanism is constant.First gear to transmitting power always.Former 6 gear gearboxes are reduced to 4 gear gearboxes, mechanical Reverse gear retains.This speed changer is more suitable for that power of motor is larger, battery capacity is big, the usually mixed dynamic vapour based on motor driven Vehicle.
In the third embodiment, it is particularly suitable for plug-in, battery capacity less or charging is inconvenient, or wants at low temperature The mixed electrical automobile of speed of seeking quickness reversing, needs two sets of separate energy sources driving high reliability.
Example IV
It includes hybrid gearbox, wheel, differential mechanism that the embodiment of the present invention four, which provides a kind of automobile,;Wheel passes through wheel Axis is connect with differential mechanism, and the gear ring of differential mechanism subtracts gear with the master on output shaft and is meshed, the power of such output shaft output according to It is secondary to pass to main gear, the gear ring of differential mechanism, the differential mechanism of subtracting and be transmitted to wheel, and then drive vehicle wheel rotation.The automobile can be Hybrid vehicle.
In conclusion multi gear hybrid power automatic transmission provided in an embodiment of the present invention and automobile, by changing clutch The engagement of device disconnects, and the position of the engagement of brake gear, disconnection and synchronizer can realize at least five drive shifts and two are fallen Shelves.By the way that only with a motor EM, it can be used as motor not only to start engine and driving wheel, but also can be in driven by engine Lower power generation may further be used to recycling vehicle inertia energy, using compound planetary gearing common in automatic transmission come gear shift change Speed not only simply, reliably, but also saves space.Increase transmission range, makes motor or engine operation in efficient rate area.Motor work As when avoid the towing torque resistance of engine to improve drive efficiency.
Multi gear hybrid power automatic transmission provided in an embodiment of the present invention also has the advantage that only with a motor Not only it is used to generate electricity, but also is used to drive, this measure can effectively saves cost and space.One is constituted with a compound planetary gearing A multiple speed automatic transmission, to improve fuel economy.Using two pairs of output gears, speed changer is increased into 5 to 6 advances Shelves guarantee that motor and engine work within the scope of efficient rate, further increase fuel economy.By engine, motor, Clutch, brake and planetary gear mechanism are coaxially arranged.Clutch is arranged in rotor as far as possible.To reduce motor driven When the big scarce limit of engine drag, increase a disengagable clutch (C0) between engine and input shaft.Work as electricity When machine is operated alone, the throw-out-of clutch, engine drag force would not hinder the driving of motor.The invention patent will provide one Kind high-performance, multi gear position, low cost, take up space lesser Parallel hybrid power transmission.Engine and motor can drive simultaneously It is dynamic, improve the power accelerating ability of automobile.Speed changer carries mechanical reverse, even if battery and motor are entirely ineffective, remain to by Vehicle home, James.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of hybrid gearbox, which is characterized in that including engine, motor and planetary gear mechanism;The engine Crankshaft and the motor rotor between be provided with first clutch, for engaging or disconnecting crankshaft and the institute of the engine State the rotor of motor;Be provided with second clutch between the rotor of the motor and the planetary gear mechanism, for engage or Disconnect the rotor and the planetary gear mechanism of the motor.
2. hybrid gearbox according to claim 1, which is characterized in that further include planetary gear train gear ring and output Axis, the planetary gear train gear ring are meshed with the planetary gear mechanism, and the planetary gear mechanism passes through the planetary gear Being gear ring passes to the output shaft for the power that the engine and/or the motor input.
3. hybrid gearbox according to claim 1, which is characterized in that the rotor of the motor and the planet tooth It is additionally provided with third clutch between wheel mechanism, for engaging or disconnecting the rotor and the planetary gear mechanism of the motor.
4. hybrid gearbox according to claim 3, which is characterized in that the first driving end of the third clutch It is fixedly connected with the first input shaft, the second driving end of the third clutch is fixedly connected with the rotor of the motor, described First input shaft is connected with the planet carrier of the planetary gear mechanism, wherein the first driving end of the third clutch with It can engage or disconnect between second driving end of the third clutch.
5. hybrid gearbox according to claim 4, which is characterized in that further include first brake device, for pair First input shaft carries out locking.
6. hybrid gearbox according to any one of claims 1-5, which is characterized in that further include the second brake dress It sets, carries out locking for the sun gear that reverses gear to the planetary gear mechanism.
7. hybrid gearbox according to claim 6, which is characterized in that further include the 4th clutch and input of reversing gear Axis, the input shaft that reverses gear are connected with the crankshaft of the engine, the first driving end and the row of the 4th clutch The sun gear that reverses gear of star gear mechanism is connected, the second driving end of the 4th clutch and the fixed company of the input shaft that reverses gear Connect, wherein can be engaged between the first driving end of the 4th clutch and the second driving end of the 4th clutch or It disconnects.
8. hybrid gearbox according to any one of claims 1-5, which is characterized in that the crankshaft of the engine It is fixedly connected by damper with the first driving end of the first clutch, the second driving end of the first clutch and institute The rotor for stating motor is fixedly connected, wherein the first driving end of the first clutch and the second of the first clutch pass It can engage or disconnect between moved end.
9. hybrid gearbox according to any one of claims 1-5, which is characterized in that the second clutch First driving end is fixedly connected with the second input shaft, and the rotor of the second driving end and the motor of the second clutch is fixed Connection, second input shaft are connected with the advance sun gear of the planetary gear mechanism, wherein the second clutch It can engage or disconnect between first driving end and the second driving end of the second clutch.
10. a kind of automobile, which is characterized in that including hybrid gearbox as claimed in any one of claims 1-9 wherein.
CN201810824014.3A 2018-07-24 2018-07-24 Hybrid gearbox and the automobile for using the speed changer Pending CN109017266A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810824014.3A CN109017266A (en) 2018-07-24 2018-07-24 Hybrid gearbox and the automobile for using the speed changer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810824014.3A CN109017266A (en) 2018-07-24 2018-07-24 Hybrid gearbox and the automobile for using the speed changer

Publications (1)

Publication Number Publication Date
CN109017266A true CN109017266A (en) 2018-12-18

Family

ID=64644918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810824014.3A Pending CN109017266A (en) 2018-07-24 2018-07-24 Hybrid gearbox and the automobile for using the speed changer

Country Status (1)

Country Link
CN (1) CN109017266A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509760A (en) * 2019-09-20 2019-11-29 段志辉 Hybrid vehicle power-driven system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202165552U (en) * 2011-06-30 2012-03-14 长城汽车股份有限公司 Eight-speed automatic transmission
CN102815197A (en) * 2012-08-24 2012-12-12 北京理工大学 Rear-driven double-mode four-gear hybrid power transmission device
CN202986797U (en) * 2012-11-30 2013-06-12 长城汽车股份有限公司 Blending power device
CN103158526A (en) * 2013-02-28 2013-06-19 长城汽车股份有限公司 Hybrid car driving device
DE102013110710A1 (en) * 2012-10-22 2014-04-24 Avl List Gmbh Gearbox i.e. double planetary gearbox, for vehicle, has simple planetary gearset whose sun wheel is fixed to housing, and ravigneaux planetary gearset whose sun gear shaft is fixed to bar of simple planetary gearset
CN105745105A (en) * 2013-11-22 2016-07-06 加特可株式会社 Automatic transmission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202165552U (en) * 2011-06-30 2012-03-14 长城汽车股份有限公司 Eight-speed automatic transmission
CN102815197A (en) * 2012-08-24 2012-12-12 北京理工大学 Rear-driven double-mode four-gear hybrid power transmission device
DE102013110710A1 (en) * 2012-10-22 2014-04-24 Avl List Gmbh Gearbox i.e. double planetary gearbox, for vehicle, has simple planetary gearset whose sun wheel is fixed to housing, and ravigneaux planetary gearset whose sun gear shaft is fixed to bar of simple planetary gearset
CN202986797U (en) * 2012-11-30 2013-06-12 长城汽车股份有限公司 Blending power device
CN103158526A (en) * 2013-02-28 2013-06-19 长城汽车股份有限公司 Hybrid car driving device
CN105745105A (en) * 2013-11-22 2016-07-06 加特可株式会社 Automatic transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110509760A (en) * 2019-09-20 2019-11-29 段志辉 Hybrid vehicle power-driven system

Similar Documents

Publication Publication Date Title
US7699735B2 (en) Electrically-variable transmission having two forward low range electrically-variable modes and a reverse electrically-variable mode
EP2472144B1 (en) Power system of hybrid electric vehicle
CN103221242A (en) Hybrid drive apparatus
CN103332102A (en) Single-motor hybrid power driving system based on double-clutch automatic gearbox
CN107054049B (en) Hybrid power system for vehicle
CN107160994B (en) Hybrid electronic stepless driving system and automobile
CN104648115A (en) Two-shift variable speed drive system of plug-in type hybrid vehicle with integrated single-driving motor
CN108895128A (en) Hybrid power transmission system with dual gear structure
CN205523655U (en) Hybrid vehicle continuously variable transmission
CN109017266A (en) Hybrid gearbox and the automobile for using the speed changer
CN106004407A (en) Hybrid electric drive assembly and vehicle with same
CN108099576A (en) For the transmission device of longitudinal rear-guard hybrid electric vehicle
CN205601595U (en) Vehicle hybrid synergy drive system and hybrid vehicle
US8585521B2 (en) Variable ratio power-split hybrid transmission
US8485930B2 (en) Variable ratio power-split hybrid transmission
CN108909432B (en) Multimode coupling power driving system of single-motor hybrid electric vehicle
CN108749552B (en) Automobile hybrid power speed changer
CN106585360B (en) Hybrid power two-gear transmission transmission system and hybrid vehicle
CN206633803U (en) Oil electric mixed dynamic drive system
CN109318704A (en) A kind of electric drive transmission device
CN205706149U (en) The mixed power plant of automobile power assembly
CN205800774U (en) A kind of hybrid power drive assembly and be provided with the automobile of this assembly
CN108790776A (en) A kind of mixed power automobile driving device
CN211390940U (en) Hybrid electric vehicle and hybrid power system thereof
CN106585359B (en) Hybrid power two-gear transmission transmission system and hybrid vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination