CN109986947A - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN109986947A CN109986947A CN201711489270.3A CN201711489270A CN109986947A CN 109986947 A CN109986947 A CN 109986947A CN 201711489270 A CN201711489270 A CN 201711489270A CN 109986947 A CN109986947 A CN 109986947A
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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
- 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 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 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 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
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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
- 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Structure Of Transmissions (AREA)
Abstract
This disclosure relates to a kind of hybrid electric drive system and vehicle.The system comprises: engine；First motor, first motor described in the driven by engine generate electricity；Speed changer, the speed changer include double clutch, the first gear gear set, the second gear gear set, engine described in transmission output shaft output shaft connect with the first gear gear set, the output shaft of the engine is connect with the second gear gear set, the double clutch is arranged between the first gear gear set and the second gear gear set, and the first gear gear set and the second gear gear set are optionally connected to the transmission output shaft by the double clutch；Output section, the output section is for exporting the power transmitted by the transmission output shaft to drive vehicle.
Description
Technical field
This disclosure relates to a kind of hybrid electric drive system and vehicle.
Background technique
World today's facing mankind energy shortage and environmental degradation two challenge greatly, orthodox car is increasingly subject to oil crisis
Serious puzzlement, energy conservation and environmental protection is increasingly becoming the development topic of automobile industry.In recent years, there are two types of different dynamic sources, realization for tool
The hybrid vehicle for reducing oil consumption and discharge, has obtained development and application, and put into commodity production and introduce to the market.
Hybrid electric drive system is generally made of engine, generator, motor, electrical source of power etc., engine and dynamic
Power power supply provides power jointly for vehicle, this results in its structure and is usually relatively complex, and occupied space is larger, higher cost.
Summary of the invention
Purpose of this disclosure is to provide a kind of simple hybrid electric drive system of structure, which can be realized engine
Two gear drivings.
To achieve the goals above, the disclosure provides a kind of hybrid electric drive system, comprising: engine；First motor,
First motor described in the driven by engine generates electricity；Speed changer, the speed changer include double clutch, the first shift gear
Group, the second gear gear set, transmission output shaft, the output shaft of the engine are connect with the first gear gear set, institute
The output shaft for stating engine is connect with the second gear gear set, and double clutch setting is in the first gear gear set and the
Between two gear gear sets, the first gear gear set and the second gear gear set are selectively connected by the double clutch
It is connected to the transmission output shaft；Output section, the output section be used to export the power that is transmitted by the transmission output shaft with
Drive vehicle.
Optionally, the speed changer further includes transmission input shaft, the transmission input shaft and the first gear tooth
The connection of wheel group, the transmission input shaft are connect with the second gear gear set, the output shaft of the engine and the change
Fast device inputs axis connection.
Optionally, the first gear gear set includes the first driving gear and the first driven gear, second gear
Gear set includes the second driving gear and the second driven gear, and the transmission input shaft is connect with first driving gear,
The transmission input shaft is connect with second driving gear.
Optionally, the double clutch includes the first input shaft, the second input shaft and output end, and the of the double clutch
One input shaft is connect with first driven gear, and the second input shaft of the double clutch and second driven gear connect
It connects, the output end of the double clutch is connect with the transmission output shaft.
Optionally, the first input shaft of the double clutch and first driven gear are keyed, the double clutch
The second input shaft and second driven gear be keyed, the output end of the double clutch is the shell of the double clutch
Body, the transmission output shaft pass through the shell of the double clutch and are keyed with the shell of the double clutch, described the
One driven gear and the second driven gear empty set are on the transmission output shaft.
Optionally, the double clutch is electromagnetic dual-clutch, which includes axle sleeve, magnetic yoke, the
One driving disc spacing pressing, the second driving disc spacing pressing, the first driven disc, the second driven disc, first coil and the second coil, the axle sleeve are fixed on institute
It states on transmission output shaft, the magnetic yoke is fixedly connected on the middle part of the axle sleeve, and first driving disc spacing pressing is slidably connected at institute
One end of axle sleeve is stated, second driving disc spacing pressing is slidably connected at the other end of the axle sleeve, and first driven disc is fixed on institute
It states on the first driven gear and first driven gear is followed to rotate, second driven disc is fixed on second driven tooth
On wheel and second driven gear is followed to rotate, the first coil is fixed on the magnetic yoke close to first driving disc spacing pressing
Side, second coil are fixed on the magnetic yoke close to the side of second driving disc spacing pressing.
Optionally, the first motor is between the engine and speed changer, the line shaft of the first motor
One end is connected with the output shaft of the engine, the other end of the line shaft of the first motor and the transmission input shaft phase
Even.
Optionally, the system also includes clutch, the other end of the line shaft of the first motor and the speed changers
Input shaft is connected by the clutch.
Optionally, the clutch is integrated in the first motor.
Optionally, the output shaft of the engine is connected with the line shaft of the first motor by gear speed increasing mechanism.
Optionally, the gear speed increasing mechanism includes intermeshing first speed increasing gear and the second speed increasing gear, described
The output shaft of the power axis connection of first speed increasing gear and the first motor, second speed increasing gear and the engine connects
It connects, wherein the number of teeth of first speed increasing gear is less than the number of teeth of second speed increasing gear.
Optionally, the system comprises clutch, the output shaft of the engine and the transmission input shafts to pass through institute
Clutch is stated to be connected.
Optionally, the output shaft of the engine is connected with the first motor by tape handler.
Optionally, the system also includes the second motor, second motor transmits power to the transmission output shaft.
Optionally, the system also includes the first transmission gear and the second transmission gear, first transmission gears and
The engagement of one driven gear, second transmission gear are engaged with the second driven gear, and the line shaft of second motor is connected to
First transmission gear, the line shaft of second motor are connected to second transmission gear.
Optionally, the line shaft of second motor and the transmission output shaft are coaxially connected.
In the disclosure, by the combination of double clutch and two shift gear groups, make it possible to by controlling double clutches
Device realizes the switching of two gears, and structure is simple, easy to operate.
The disclosure also provides a kind of vehicle, including hybrid electric drive system as described above.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure；
Fig. 2 is the schematic block diagram according to the hybrid electric drive system of second of embodiment of the disclosure；
Fig. 3 is the schematic block diagram according to the hybrid electric drive system of the third embodiment of the disclosure；
Fig. 4 is the schematic block diagram according to the hybrid electric drive system of the 4th kind of embodiment of the disclosure；
Fig. 5 is the schematic block diagram according to the hybrid electric drive system of the 5th kind of embodiment of the disclosure；
Fig. 6 is in the hybrid electric drive system according to the 5th kind of embodiment of the disclosure, electromagnetic dual-clutch
Schematic cross-sectional view；
Fig. 7 is the gear transmission schematic diagram according to the hybrid electric drive system of the 5th kind of embodiment of the disclosure；
Fig. 8 is to be driven schematic diagram according to the second gear of the hybrid electric drive system of the 5th kind of embodiment of the disclosure.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure.Such as Fig. 1
Shown, the hybrid electric drive system according to the first embodiment of the disclosure includes engine 1, speed changer, output section,
One motor 2.The power of engine 1 passes to output section by speed changer, and output section output power is to drive vehicle.
Speed changer includes double clutch 4, the first gear gear set, the second gear gear set, transmission output shaft 10.Its
In, as shown in Figure 1, the output shaft of engine 1 is connect with the first gear gear set, the output shaft of engine 1 and the second gear tooth
The connection of wheel group, double clutch 4 are arranged between the first gear gear set and the second gear gear set, the first gear gear set and the
Two gear gear sets are optionally connected to transmission output shaft 10 by double clutch 4.
Specifically, in the first embodiment shown in Fig. 1, double clutch 4 is inputted with the first input shaft 42, second
Axis 43 and output end 41, the first input shaft 42 of double clutch 4 are connected to the first gear gear set, and the second of double clutch 4
Input shaft 43 is connected to the second gear gear set, and the output end 41 of double clutch 4 is connected to transmission output shaft 10.
The output end 41 of double clutch 4 can be the shell of double clutch 4, and double clutch 4 further includes two driven discs, double
First input shaft 42 of clutch 4 can be connected by key with one of driven disc, and the second input shaft 43 of double clutch 4 can
To be connected by key with another driven disc.Generally, the shell of double clutch 4 and two driven discs, which can be, all disconnects,
I.e. output end 41 is disconnected with the first input shaft 42 and the second input shaft 43.It is needing that an input shaft and shell is made to be sequentially connected
When, can control corresponding driven disc and engaged with shell so that driven disc drive shell synchronous rotary, i.e., output end 41 with
One of first input shaft 42 and the second input shaft 43 transmission connection, so that from the first input shaft 42 and the second output shaft 43
The power transmitted can be exported by output end 41.
It should be appreciated that the specific engagement state of double clutch 4 is controlled the influence of strategy, for those skilled in the art
For, can according to actually required transmission mode adaptive settings control strategy, so as to defeated in output end and two
Enter and is switched between the various modes such as one of all off axis and output end and two input shafts transmission connection.
In the first embodiment of the disclosure, by the combination of double clutch 4 and two shift gear groups, make it possible to
Enough switchings that two gears are realized by control double clutch 4.Specifically, when need speed changer with the first gear input power
When, it can control driven disc corresponding to the first input shaft 42 and engaged with the shell of double clutch 4, to make the first input shaft 42
It is sequentially connected with the output end 41 of double clutch 4；When needing speed changer with the second gear input power, the second input can control
Driven disc corresponding to axis 43 is engaged with the shell of double clutch 4, to make the output end of the second input shaft 43 and double clutch 4
41 transmission connections.
First gear gear set includes the first driving gear 5 and the first driven gear 6, the first driving gear 5 and first from
Moving gear 6 can be engaged directly, can also be engaged with intermediate gear, to be sequentially connected by the intermediate gear.Second gear
Position gear set includes the second driving gear 7 and the second driven gear 8, and the second driving gear 7 and the second driven gear 8 can be direct
Engagement, can also engage with intermediate gear, to be sequentially connected by the intermediate gear.First gear gear set can be low
Shift gear group, the second gear gear set can be high gear gear set, and but the present disclosure is not limited thereto, in other embodiments
In, the first gear gear set can be high gear gear set, and the second gear gear set can be low gear gear set.
First driving gear 5 and the second driving gear 7 can be directly installed on the output shaft of engine 1.It is shown in Fig. 1
The first embodiment in, speed changer further includes transmission input shaft 9, and the first driving gear 5 and the second driving gear 7 are pacified
On transmission input shaft 9, the output shaft and transmission input shaft 9 of engine 1 are coaxially connected, so that the power of engine 1
It can be transferred to the first gear gear set and the second gear gear set simultaneously by transmission input shaft 9.First driving gear, 5 He
Second driving gear 7 and 9 synchronous rotary of transmission input shaft.
On transmission output shaft 10, transmission output shaft 10 is passed through for first driven gear 6 and 8 empty set of the second driven gear
The shell of double clutch 4 is simultaneously keyed with the shell of double clutch 4.42 empty set of the first input shaft of double clutch 4 is in speed changer
It is keyed on output shaft 10 and with the first driven gear 6,43 empty set of the second input shaft of double clutch 4 is in transmission output shaft 10
Above and with the second driven gear 8 it is keyed.
Hybrid electric drive system further includes first motor 2, which can both carry out under the drive of engine 1
Power generation, but also as motor to drive vehicle.In the first embodiment shown in Fig. 1, first motor 2 is located at engine
Between 1 and speed changer, one end of the line shaft of first motor 2 is connected with the output shaft of engine 1, and the other end and speed changer input
Axis 9 is connected.Further, the other end of the line shaft of first motor 2 can pass through 11 phase of clutch with transmission input shaft 9
Even.By the way that clutch 11 is arranged, so that when engine 1 drives first motor 2 to be generated electricity, it can be by controlling clutch 11
Separation, speed changer is disengaged from the line shaft of first motor 2, to reduce load, improves generating efficiency.In a kind of implementation
In mode, clutch 11 be can integrate inside first motor 2, to reduce the axial space of hybrid power system, make system knot
Structure is more compact.
In the first embodiment shown in Fig. 1, hybrid electric drive system further includes the second motor 3, and output section is also
For exporting the power from the second motor 3 to drive vehicle.Second motor 3 can not only be used for motor with for driving vehicle,
But also as generator for generating electricity.
Second motor 3 can be connected in hybrid electric drive system in several ways.The first reality shown in Fig. 1
It applies in mode, the first transmission gear 12 and the second transmission gear 13 is installed on the line shaft of second motor 3, first driving cog
The line shaft synchronous rotary of wheel 12 and the second transmission gear 13 and the second motor 3, the first transmission gear 12 and the first shift gear
The first driven gear 6 engagement of group, the second transmission gear 13 are engaged with the second driven gear 8 of the second gear gear set.
Output section is configured to for the power that speed changer exports to be transferred to the wheel of vehicle.For example, output section may include
Output gear 14 and differential mechanism 15.Output gear 14 is mounted on transmission output shaft 10 and rotation synchronous with transmission output shaft 10
Turn, output gear 14 is engaged with the final gear 16 of differential mechanism 15.The function of differential mechanism 15 be when vehicle turning traveling or
On uneven road surface when driving, roll left and right wheels with different angular speed, to guarantee to make pure rolling between two sides wheel and ground
Dynamic movement.Final gear 16 is provided on differential mechanism 15, final gear 16 can for example be arranged in the shell of differential mechanism 15
On.
Fig. 2 is the schematic block diagram according to second of embodiment of the disclosure.Second of embodiment and the first
The difference of embodiment essentially consists in: in the second embodiment, the line shaft of first motor 2 and the output shaft of engine 1
It is connected by gear speed increasing mechanism, so that the revolving speed of first motor 2 is greater than the revolving speed of engine 1, to make engine 1 and the
One motor 2 is used for high efficiency region matching when generator, to improve generating efficiency.Specifically, on the line shaft of first motor 2
First speed increasing gear 17 is installed, the second speed increasing gear 18, the first speed increasing gear 17 and are installed on the output shaft of engine 1
The engagement of two speed increasing gears 18, the number of teeth of the number of teeth of the first speed increasing gear 17 less than the second speed increasing gear 18.It is unshowned at other
In embodiment, the output shaft of engine 1 can also be connected by tape handler with the line shaft of first motor 2.Specifically,
Tape handler may include big belt wheel, small pulley and transmission belt, wherein and the output shaft of engine 1 is connect with big belt wheel, and first
The line shaft of motor 2 is connect with small pulley, so that the revolving speed of first motor 2 is greater than the revolving speed of engine 1.
Fig. 3 is the schematic block diagram according to the third embodiment of the disclosure.The third embodiment and the first
The difference of embodiment essentially consists in: in the third embodiment, the line shaft of the second motor 3 is directly and transmission output shaft
10 is coaxially connected.
Fig. 4 is the schematic block diagram according to the 4th kind of embodiment of the disclosure.4th kind of embodiment with second
The difference of embodiment essentially consists in: in the 4th kind of embodiment, the line shaft of the second motor 3 is directly and transmission output shaft
10 is coaxially connected.
Fig. 5 is the schematic block diagram according to the 5th kind of embodiment of the disclosure.In the 5th kind of embodiment and first
The difference of kind of embodiment essentially consists in: in the 5th kind of embodiment, double clutch 4 is electromagnetic dual-clutch, first from
Moving gear 6 and the second driven gear 8 are optionally connected to transmission output shaft 10 by the electromagnetic dual-clutch.Specifically
Ground, as shown in fig. 6, electromagnetic dual-clutch includes axle sleeve 151, magnetic yoke 152, the first driving disc spacing pressing 153, the second driving disc spacing pressing 154,
One driven disc 155, the second driven disc 156, coil brace 159, first coil 157 and the second coil 158, the axle sleeve 151 are solid
It is scheduled on the transmission output shaft 10, the magnetic yoke 152 is fixedly connected on the middle part of the axle sleeve 151, and described first actively
Disk 153 is slidably connected at one end of the axle sleeve 151, and second driving disc spacing pressing 154 is slidably connected at the another of the axle sleeve 151
End, first driven disc 155 is fixed on first driven gear 6 and first driven gear 6 is followed to rotate, described
Second driven disc 156 is fixed on second driven gear 8 and second driven gear 8 is followed to rotate, the First Line
Circle 157 is fixed on the magnetic yoke 152 close to the side of first driving disc spacing pressing 153, and second coil 158 is fixed on the magnetic
Yoke 152 is close to the side of second driving disc spacing pressing 154, and coil brace 159 is by external power supply and first coil 157 or the second coil
158 conductings.
In one embodiment, as shown in fig. 6, first driving disc spacing pressing 153 includes the first armature 1531 and fixed company
Connect the first inner attrition piece 1532 on first armature 1531, second driving disc spacing pressing 154 include the second armature 1541 and
The second inner attrition piece 1542 being fixedly connected on second armature 1541, first armature 1531 and the second armature 1541
It is connected on the axle sleeve 151 by spline slide；First driven disc 155 includes first gear connector 1551 and first
Outside friction disc 1552, the first gear connector 1551 are fixedly connected with first driven gear 6, first external friction
Piece 1552 is fixedly connected on the first gear connector 1551 and cooperates with first inner attrition piece 1532, described second
Driven disc 156 includes second gear connector 1561 and the second outside friction disc 1562, the second gear connector 1561 and institute
It states the second driven gear 8 to be fixedly connected, second outside friction disc 1562 is fixedly connected on the second gear connector 1561
Above and with second inner attrition piece 1542 cooperate.
As shown in fig. 7, first coil 157 is connected, due to magneticaction, the first armature 1531 when needing to hang the first gear
And be fixed on the first inner attrition piece 1532 on the first armature 1531 and slided to 152 direction of magnetic yoke, the first inner attrition piece 1532 with
First outside friction disc, 1552 phase mutual friction, the rotary motion of the first driven gear 6 pass sequentially through first gear connector 1551,
One outside friction disc 1552, the first inner attrition piece 1532, the first armature 1531 and axle sleeve 151 are transmitted to transmission output shaft 10, band
The dynamic output gear 14 being fixed on transmission output shaft 10 rotates, by power transmission to the main deceleration engaged with output gear 14
Gear 16, using differential mechanism 15 by power transmission to the left half axle and right axle shaft connecting with differential mechanism 15, vehicle hangs a gear row
It sails, the power transfer path of a gear is as shown in the heavy line in Fig. 7.
As shown in figure 8, when needing to hang the second gear, the second coil 158 conducting, due to magneticaction, the second armature 1541
And be fixed on the second inner attrition piece 1542 on the second armature 1541 and slided to 152 direction of magnetic yoke, the second inner attrition piece 1542 with
Second outside friction disc, 1562 phase mutual friction, the rotary motion of the second driven gear 8 pass sequentially through second gear connector 1561,
Two outside friction discs 1562, the second inner attrition piece 1542, the second armature 1541 and axle sleeve 151 are transmitted to transmission output shaft 10, band
The dynamic output gear 14 being fixed on transmission output shaft 10 rotates, by power transmission to the main deceleration engaged with output gear 14
Gear 16, using differential mechanism 15 by power transmission to the left half axle and right axle shaft connecting with differential mechanism 15, vehicle hangs second gear row
It sails, the power transfer path of the above process is as shown in the heavy line in Fig. 8.
The hybrid electric drive system of the disclosure can have following operating condition；
One, 3 pure electric vehicle operating condition of the second motor.Engine 1 does not work with first motor 2, and the second motor 3 passes through differential mechanism
15 driving wheels.The operating condition is mainly used at the uniform velocity or situations such as urban pavement, while battery electricity with higher.The operating condition
Advantage is that the second motor 3 directly drives, and transmission chain is most short, it is minimum to participate in the component of work, can achieve highest transmission effect
Rate and the smallest noise.
Two, bi-motor pure electric vehicle operating condition.Second motor 3 is main power source, total power output；Supplemented by first motor 2
The power source helped limits power output.One of two input shafts of control double clutch 4 are connected with output end.Two motors
Adjust revolving speed, it is ensured that the angular speed for being transferred to transmission output shaft 10 is consistent.The operating condition is mainly used for accelerating, climbs, overtakes other vehicles, is high
The larger load occasion such as speed, and the higher situation of battery capacity.The operating condition possesses better dynamic property compared to single motor driving
Can, possess better economy and lower noise compared to hybrid power, the typical applications that can more protrude its advantage are
The congestion road conditions of heavy grade (winding road).
Three, operating condition in parallel.Engine 1, first motor 2 and the second motor 3 drive wheel.Two motor adjustable speeds are to match
Close the angular speed of transmission output shaft 10.The advantages of operating condition be three engines 1, first motor 2 and the second motor 3 simultaneously
Driving, can play maximum power performance.
Four, series connection operating condition.It controls clutch to disconnect, engine 1 drives first motor 2 to generate electricity, the driving of the second motor 3
Wheel.
Five, the independent driving operating condition of engine 1.One of two output shafts of control double clutch 4 are connected with input terminal, and first
Motor 2 and the second motor 3 do not work, and gear switching can be realized by double clutch 4.
Six, the driving of engine 1 charging operating condition.On the basis of the independent driving operating condition of engine 1, while driving first motor 2
Power generation.
Seven, braking/deceleration feedback operating condition.Second motor 3 generates electricity in abrupt deceleration vehicle.The operating condition is mainly used under vehicle
Slope, braking or deceleration.When the advantages of operating condition is to slow down or brake, reach the maximization of feedback energy.
Eight, mixed connection operating condition.On the one hand engine 1 drives first motor 2 to generate electricity, on the other hand by shift gear group and double
Power is transferred to differential mechanism 15 to drive wheel by clutch 4, and the second motor 3 drives wheel by differential mechanism 15.Operating condition master
Be used to accelerating, climb etc. larger load occasion and electricity it is few in the case where.The advantages of operating condition is can to play engine 1
Whole power, not only guaranteed the dynamic property of vehicle, but also can generate electricity simultaneously, and kept the electricity of battery.
In the disclosure, by the way that double clutch 4 and two shift gear groups to be dexterously combined together, make it possible to obtain
Obtain a kind of two-gear transmission that structure is simple and convenient to operate.It, can be certain since the speed changer can provide two gears
The revolving speed and torque that engine 1 is adjusted in degree, improve the working efficiency of engine 1.
In the disclosure, the gear switching of speed changer is realized by double clutch 4, and double clutch 4 can allow for
The disconnection process of the engaging process and another driven disc of one driven disc overlaps when shift switching, so that torque be avoided to transmit
Momentary interruption, guarantee shift process and vehicle operation ride comfort.The synchronizer more complicated compared to mechanical structure, it is double from
Clutch all has greater advantage either in terms of ride comfort or reliability.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (17)
1. a kind of hybrid electric drive system characterized by comprising
Engine (1)；
First motor (2), the engine (1) drive the first motor (2) to generate electricity；
Speed changer, the speed changer include double clutch (4), the first gear gear set, the second gear gear set, speed changer output
The output shaft of axis (10), the engine (1) is connect with the first gear gear set, the output shaft of the engine (1) with
The second gear gear set connection, the double clutch (4) are arranged in the first gear gear set and the second shift gear
Between group, the first gear gear set and the second gear gear set pass through the double clutch (4) and are optionally connected to institute
State transmission output shaft (10)；
Output section, the output section are used to export the power by the transmission output shaft (10) transmitting to drive vehicle.
2. system according to claim 1, which is characterized in that the speed changer further includes transmission input shaft (9), described
Transmission input shaft (9) is connect with the first gear gear set, the transmission input shaft (9) and second shift gear
Group connection, the output shaft of the engine are connect with the transmission input shaft (9).
3. system according to claim 2, which is characterized in that the first gear gear set includes the first driving gear
(5) and the first driven gear (6), the second gear gear set include the second driving gear (7) and the second driven gear (8),
The transmission input shaft (9) connect with first driving gear (5) and the second driving gear (7).
4. system according to claim 3, which is characterized in that the double clutch (4) includes the first input shaft (42), the
Two input shafts (43) and output end (41), first input shaft (42) connect with first driven gear (6), and described second
Input shaft (43) is connect with second driven gear (8), and the output end (41) connect with the transmission output shaft (10).
5. system according to claim 4, which is characterized in that the first input shaft (42) of the double clutch (4) and institute
State the first driven gear (6) key connection, the second input shaft (43) of the double clutch (4) and second driven gear (8)
Key connection, the output end (41) of the double clutch (4) are the shell of the double clutch (4), the transmission output shaft
(10) it passes through the shell and is keyed with the shell, first driven gear (6) and the second driven gear (8) empty set exist
On the transmission output shaft (10).
6. system according to claim 3, which is characterized in that the double clutch (4) is electromagnetic dual-clutch, the electricity
Magnetic-type double clutch includes axle sleeve (151), magnetic yoke (152), the first driving disc spacing pressing (153), the second driving disc spacing pressing (154), first driven
Disk (155), the second driven disc (156), first coil (157) and the second coil (158), the axle sleeve (151) are fixed on described
On transmission output shaft (10), the magnetic yoke (152) is fixedly connected on the middle part of the axle sleeve (151), first driving disc spacing pressing
(153) it is slidably connected at one end of the axle sleeve (151), second driving disc spacing pressing (154) is slidably connected at the axle sleeve (151)
The other end, first driven disc (155) is fixed on first driven gear (6) and follows first driven gear
(6) it rotates, second driven disc (156) is fixed on second driven gear (8) and follows second driven gear
(8) it rotates, the first coil (157) is fixed on the side of the magnetic yoke (152) close to first driving disc spacing pressing (153), institute
State the side that the second coil (158) is fixed on the magnetic yoke (152) close to second driving disc spacing pressing (154).
7. system according to claim 2, which is characterized in that the first motor (2) is located at the engine (1) and becomes
Between fast device, one end of the line shaft of the first motor (2) is connected with the output shaft of the engine (1), first electricity
The other end of the line shaft of machine (2) is connected with the transmission input shaft (9).
8. system according to claim 7, which is characterized in that the system also includes clutch (11), first electricity
The other end of the line shaft of machine (2) is connected with the transmission input shaft (9) by the clutch (11).
9. system according to claim 8, which is characterized in that the clutch (11) is integrated in the first motor (2)
It is interior.
10. system according to claim 2, which is characterized in that the output shaft of the engine (1) and the first motor
(2) line shaft is connected by gear speed increasing mechanism.
11. system according to claim 10, which is characterized in that the gear speed increasing mechanism includes intermeshing first
Speed increasing gear (17) and the second speed increasing gear (18), the line shaft of first speed increasing gear (17) and the first motor (2)
Connection, the output axis connection of second speed increasing gear (18) and the engine (1), wherein first speed increasing gear
(17) the number of teeth is less than the number of teeth of second speed increasing gear (18).
12. system according to claim 10, which is characterized in that the system comprises clutch (11), the engines
(1) output shaft is connected with the transmission input shaft (9) by the clutch (11).
13. system according to claim 2, which is characterized in that the output shaft of the engine (1) and the first motor
(2) it is connected by tape handler.
14. system according to claim 3, which is characterized in that the system also includes the second motor (3), described second
Motor (3) Xiang Suoshu transmission output shaft (10) transmits power.
15. system according to claim 14, which is characterized in that the system also includes the first transmission gears (12) and
Two transmission gears (13), first transmission gear (12) are engaged with the first driven gear (6), second transmission gear (13)
It is engaged with the second driven gear (8), the line shaft of second motor (3) is connected to first transmission gear (12) and second
Transmission gear (13).
16. system according to claim 14, which is characterized in that the line shaft of second motor (3) and the speed change
Device output shaft (10) is coaxially connected.
17. a kind of vehicle, which is characterized in that including hybrid drive train described according to claim 1 any one of -16
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489270.3A CN109986947A (en) | 2017-12-29 | 2017-12-29 | Hybrid electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489270.3A CN109986947A (en) | 2017-12-29 | 2017-12-29 | Hybrid electric drive system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109986947A true CN109986947A (en) | 2019-07-09 |
Family
ID=67110527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711489270.3A Pending CN109986947A (en) | 2017-12-29 | 2017-12-29 | Hybrid electric drive system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109986947A (en) |
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| CN110525192A (en) * | 2019-08-19 | 2019-12-03 | 韶关市广控机械传动技术有限公司 | A kind of hybrid power speed change system |
| CN110578772A (en) * | 2019-09-26 | 2019-12-17 | 吉孚汽车技术(浙江)有限公司 | A special hybrid gearbox |
| WO2020073809A1 (en) * | 2018-10-09 | 2020-04-16 | 北京致行慕远科技有限公司 | Power device, control method for power device, and traveling apparatus |
| CN111319451A (en) * | 2019-12-25 | 2020-06-23 | 福建中维动力科技股份有限公司 | Integrated hybrid electric vehicle system |
| CN113844250A (en) * | 2021-09-30 | 2021-12-28 | 上海汽车变速器有限公司 | Hybrid transmission, automobile power system and automobile |
| WO2024146210A1 (en) * | 2023-01-03 | 2024-07-11 | 广州汽车集团股份有限公司 | Power coupling system, control method, and vehicle |
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