CN109986954A - Power-driven system and vehicle - Google Patents

Power-driven system and vehicle Download PDF

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Publication number
CN109986954A
CN109986954A CN201711489238.5A CN201711489238A CN109986954A CN 109986954 A CN109986954 A CN 109986954A CN 201711489238 A CN201711489238 A CN 201711489238A CN 109986954 A CN109986954 A CN 109986954A
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CN
China
Prior art keywords
gear
motor
output shaft
double clutch
engine
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
CN201711489238.5A
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Chinese (zh)
Inventor
杨冬生
穆金辉
白云辉
王春生
朱新明
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BYD Co Ltd
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BYD 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 BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201711489238.5A priority Critical patent/CN109986954A/en
Publication of CN109986954A publication Critical patent/CN109986954A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

This disclosure relates to a kind of power-driven system and vehicle.The system comprises: engine；Speed changer, the speed changer includes double clutch, the first gear gear set, the second gear gear set, the output shaft of the engine is connected with the input terminal of the double clutch, first output shaft of the double clutch is connected to the first gear gear set, and the second output shaft of the double clutch is connected to the second gear gear set；Output section, the output section are used to export the power from the first gear gear set or the transmitting of the second gear gear set to drive vehicle.

Description

Power-driven system and vehicle
Technical field
This disclosure relates to a kind of power-driven 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 power-driven system, the system structure is simple and can be realized the gear of engine two Driving.
To achieve the goals above, the disclosure provides a kind of power-driven system, comprising: engine；Speed changer, the change Fast device includes double clutch, the first gear gear set, the second gear gear set, the output shaft of the engine and double clutches The input terminal of device is connected, and the first output shaft of the double clutch is connected to the first gear gear set, the double clutch The second output shaft be connected to the second gear gear set；Output section, the output section come from the first gear for exporting Position gear set or the power of the second gear gear set transmitting are to drive vehicle.
Optionally, the speed changer includes transmission output shaft, the transmission output shaft and first shift gear Group connection, the transmission output shaft connect with the second gear gear set, and the transmission output shaft is to the output section Transmit power.
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 it is main that the first output shaft of the double clutch is connected to described first Moving gear, the second output shaft of the double clutch are connected to second driving gear, and the first output shaft empty set is in institute It states on the second output shaft, the transmission output shaft is connected with first driven gear, the transmission output shaft and described The connection of second driven gear.
Optionally, the system also includes first motor, the first motor can be issued in the drive of the engine Electricity.
Optionally, the output shaft of the engine is connect with one end of the line shaft of the first motor, first electricity The other end of machine is connect with the input terminal of the double clutch.
Optionally, the double clutch is integrated in the first motor, the line shaft of the first motor and described double The input terminal of clutch is formed as one.
Optionally, the system also includes clutch, the line shafts of the output shaft of the engine and the first motor One end connected by the clutch.
Optionally, the system also includes the second motor, the output section is also used to export from second motor Power is to drive vehicle.
Optionally, the line shaft of second motor and the second output shaft of the double clutch are coaxially connected.
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 power-driven 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 power-driven system of the first embodiment of the disclosure；
Fig. 2 is the schematic block diagram according to the power-driven system of second of embodiment of the disclosure；
Fig. 3 is the schematic block diagram according to the power-driven system of the third embodiment of the disclosure；
Fig. 4 is the schematic block diagram according to the power-driven system of the 4th kind of embodiment of the disclosure；
Fig. 5 is the schematic block diagram according to the power-driven 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 power-driven system of the first embodiment of the disclosure.Such as Fig. 1 institute Show, the power-driven system according to the first embodiment of the disclosure includes engine 1, speed changer, output section.Engine 1 Power output section is passed to by speed changer, output section output power is to drive vehicle.
Speed changer includes double clutch 4, the first gear gear set, the second gear gear set.Wherein, as shown in Figure 1, it is double from Clutch 4 has input terminal 41, the first output shaft 42 and the second output shaft 43, the input of the output shaft and double clutch 4 of engine 1 41 connection of end, the first output shaft 42 of double clutch 4 are connected to the first gear gear set, the second output shaft 43 of double clutch 4 It is connected to the second gear gear set.Double clutch 4 is arranged in the same side of the first gear gear set and the second gear gear set, the One output shaft, 42 empty set is on the second output shaft 43, so that the more compact structure of power-driven system, convenient for the cloth on vehicle It sets.
The input terminal 41 of double clutch 4 can be the shell of double clutch 4, and double clutch 4 further includes two driven discs, double First output shaft 42 of clutch 4 can be connected by key with one of driven disc, and the second output 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. input terminal 41 is disconnected with the first output shaft 42 and the second output shaft 43.It, can be with when needing to engage one of driven disc Control shell carries out engagement with corresponding driven disc to synchronous rotary, and driven disc drives corresponding output shaft synchronous to rotate again, I.e. input terminal 41 and one of the first output shaft 42 and the second output shaft 43 are sequentially connected, so that the power that input terminal 41 transmits It can be exported by one in the first output shaft 42 and the second output shaft 43.
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 in input terminal 41 and two It is switched between the various modes such as output shaft is all off and one of input terminal 41 and two output shafts are sequentially connected.
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.
Speed changer can also include transmission output shaft 9, and the first driven gear 6 and the second driven gear 8 are installed in change On fast device output shaft 9, enable 8 synchronous rotary of transmission output shaft 9 and the first driven gear 6 and the second driven gear.Nothing Power by the power from the first gear gear set still from the second gear gear set, by transmission output shaft 9 to Outer output.
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 also may include output gear 14 and differential mechanism 16.Output gear 14 be mounted on transmission output shaft 9 and with 9 synchronous rotary of transmission output shaft, output gear 14 are engaged with the final gear 15 of differential mechanism 16.The function of differential mechanism 16 is When vehicle turning travel or on uneven road surface when driving, roll left and right wheels with different angular speed, to guarantee two sides Make PURE ROLLING between wheel and ground.Final gear 15 is provided on differential mechanism 16, final gear 15 for example can be with cloth It sets on the shell of differential mechanism 16.
In the disclosure, by the combination of double clutch 4 and two shift gear groups, make it possible to by controlling double clutches The engagement or separation of device 4 come realize engine two keep off power output.
Specifically, when the input terminal 41 of double clutch 4 is connected with the first output shaft 42, the input terminal 41 of double clutch 4 with When second output shaft 43 disconnects, the power of engine 1 successively pass through the input terminal 41 of double clutch 4, double clutch 4 it is first defeated Shaft 42, the first driving gear 5, the first driven gear 6, transmission output shaft 9, output gear 14, final gear 15 and poor Fast device 16 is transferred to wheel.
When the input terminal 41 of double clutch 4 is connected with the second output shaft 43, the input terminal 41 of double clutch 4 and first is exported Axis 42 disconnect when, the power of engine 1 successively pass through the input terminal 41 of double clutch 4, double clutch 4 the second output shaft 43, Second driving gear 7, the second driven gear 8, transmission output shaft 9, output gear 14, final gear 15 and differential mechanism 16 pass It is handed to wheel.
In second of embodiment shown in Fig. 2, power-driven system can also include first motor 2, first electricity Machine 2 can both generate electricity under the drive of engine 1, but also as motor to drive vehicle.Shown in Fig. 2 second is real It applies in mode, first motor 2 is arranged between engine 1 and double clutch 4, the output shaft of engine 1 and moving for first motor 2 One end of power axis connects, and the other end of the line shaft of first motor 2 is connect with the input terminal 41 of double clutch 4.By that will start The output shaft of machine 1 and the line shaft of first motor 2 are coaxially connected, eliminate the intermediate transmission mechanisms such as gear, on the one hand can subtract Small load improves transmission efficiency, on the other hand can permit and carries out modularized design to first motor 2, it is not necessary to according to driver The arrangement of structure does the adjustment of rotor stator, and another further aspect can also reduce noise.In one embodiment, double clutch 4 can To be integrated in inside first motor 2, the input terminal 41 of double clutch 4 and the line shaft of first motor 2 are formed as one, to reduce The axial space of power-driven system, makes more compact structure.
When first motor 2 is as motor drive vehicle, the is realized by controlling engagement or the separation of double clutch 4 One motor two keeps off power output.The specific control mode of double clutch 4 is similar with the gear power output of engine two is realized, herein not It repeats again.It should be appreciated that whether first motor 2 participates in the influence that driving is controlled strategy, for those skilled in the art Speech, can according to actually required transmission mode adaptive settings control strategy.
In second of embodiment shown in Fig. 2, power-driven system can also include 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 coupled in power-driven system in several ways.Second of embodiment party shown in Fig. 2 In formula, the second gear gear set is arranged between the first gear gear set and the second motor 3, the line shaft of the second motor 3 and double Second output shaft 43 of clutch 4 is coaxially connected, 7 synchronous rotary of line shaft and the second driving gear of the second motor 3.In this public affairs In second of the embodiment opened, engine 1 has seven kinds of operating modes:
A, engine increases journey power generation mode: the power generation of first motor 2 is operated alone in engine 1；
B, low engine speed increases journey drive mode: engine 1 drives vehicle and first motor 2 and the second motor 3 is driven to send out Electricity；
C, low speed increases journey drive mode in engine: engine 1 drives vehicle and first motor 2 is driven to generate electricity, and does not drive The power generation of second motor 3；
D, engine direct driving mode: 1 driving vehicle of engine does not drive first motor 2 and the second motor 3 to generate electricity；
E, engine high speed increases journey drive mode: engine 1 and the second motor 3 drive vehicle jointly, and engine 1 is simultaneously First motor 2 is driven to generate electricity；
F, high engine speeds mixed connection drive mode one: driving vehicle, engine 1 do not drive jointly for engine 1 and the second motor 3 Dynamic first motor 2 generates electricity；
G, high engine speeds mixed connection drive mode two, engine 1 and first motor 2 and the second motor 3 drive vehicle jointly ?.
In second of embodiment of the disclosure, there are three types of operating modes for first motor 2:
A, engine individually gives first motor charge mode, and under this mode, engine 1 individually charges to first motor 2；
B, engine driving charge mode, under this mode, engine 1 can be while driving vehicle to first motor 2 Charging.In second of embodiment of the disclosure, there are four types of operating modes for the second motor 3:
A, the pure electric drive mode of the second motor；
B, engine driving charge mode, under this mode, engine 1 can be while driving vehicle to the second motor 2 Charging；
C, mixed connection drive mode, under this mode, the second motor 3 drives vehicle with engine 1 together；
D, braking deceleration power generation mode.
Fig. 3 is the schematic block diagram according to the third embodiment of the disclosure.The third embodiment with second The difference of embodiment essentially consists in: in the third embodiment, the line shaft and transmission output shaft 9 of the second motor 3 are same Axis connection.
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 output shaft of engine 1 passes through clutch 13 and the first electricity The power axis connection of machine 2.By be arranged clutch 13 so that using first motor 2 drive vehicle when, can by control from Clutch 13 separates, and engine 1 is disengaged from the line shaft of first motor 2, to reduce load, improves working efficiency.
Fig. 5 is the schematic block diagram according to the 5th kind of embodiment of the disclosure.5th kind of embodiment with the 4th kind The difference of embodiment essentially consists in: in the 5th kind of embodiment, the line shaft and transmission output shaft 9 of the second motor 3 are same Axis connection.
The power-driven system of the disclosure can have following operating condition；
One, the second motor pure electric vehicle operating condition.The input terminal 41 and two output shafts for controlling double clutch 4 disconnect, and start Machine 1 does not work with first motor 2, and the second motor 3 drives wheel by differential mechanism 16.The operating condition be mainly used for starting, in it is low Situations such as speed or urban pavement, while battery electricity with higher.The advantages of operating condition, is that the second motor 3 directly drives, Transmission chain is most short, it is minimum to participate in the component of work, can achieve highest transmission efficiency and the smallest noise.
Two, series connection operating condition.The input terminal 41 and two output shafts for controlling double clutch 4 disconnect, and engine 1 drives first Motor 2 generates electricity, and the second motor 3 drives wheel.
Three, engine independently drives operating condition.One of input terminal 41 and two output shafts for controlling double clutch 4 are connected, the One motor 2 and the second motor 3 do not work, and gear switching can be realized by double clutch 4.
Four, engine driving charging operating condition.On the basis of engine independently drives operating condition, while first motor 2 being driven to send out Electricity.
Five, braking/deceleration feedback operating condition.Second motor 3 recovers energy and generates electricity.The operating condition be mainly used for vehicle descending, Braking is slowed down.When the advantages of operating condition is to slow down or brake, reach the maximization of feedback energy.
Six, mixed connection operating condition.On the one hand engine 1 drives first motor 2 to generate electricity, on the other hand pass through double clutch 4 and gear Power is transferred to differential mechanism 16 to drive wheel by position gear set, and the second motor 3 drives wheel by differential mechanism 16.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 and/or first motor 2 are adjusted in degree improve the work effect of engine 1 and/or first motor 2 Rate.
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 (11)

1. a kind of power-driven system characterized by comprising
Engine (1)；
Speed changer, the speed changer include double clutch (4), the first gear gear set, the second gear gear set, the engine (1) output shaft is connected with the input terminal (41) of the double clutch (4), the first output shaft (42) of the double clutch (4) It is connected to the first gear gear set, the second output shaft (43) of the double clutch (4) is connected to the second gear tooth Wheel group；
Output section, the output section is for exporting the power from the first gear gear set or the second gear gear set to drive Motor-car.
2. system according to claim 1, which is characterized in that the speed changer includes transmission output shaft (9), the change Fast device output shaft (9) connect with the first gear gear set, the transmission output shaft (9) and the second gear gear set Power is transmitted in connection, transmission output shaft (9) output section Xiang Suoshu.
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 first output shaft (42) of the double clutch (4) is connected to first driving gear (5), and the of the double clutch (4) Two output shafts (43) are connected to second driving gear (7), the transmission output shaft (9) and first driven gear (6) it connects, the transmission output shaft (9) and second driven gear (8) connection.
4. system according to claim 1, which is characterized in that the system also includes first motor (2), first electricity Machine (2) can generate electricity under the drive of the engine (1).
5. system according to claim 4, which is characterized in that the output shaft of the engine (1) and the first motor (2) one end of line shaft connects, the other end of the line shaft of the first motor (2) and the input of the double clutch (4) Hold (41) connection.
6. system according to claim 5, which is characterized in that the double clutch (4) is integrated in the first motor (2) Interior, the line shaft of the first motor (2) is formed as one with the input terminal (41) of the double clutch (4).
7. system according to claim 5, which is characterized in that the system also includes clutch (13), the engines (1) output shaft is connect with one end of the line shaft of the first motor (2) by the clutch (13).
8. system according to claim 1, which is characterized in that the system also includes the second motor (3), the output sections It is also used to export the power from second motor (3) to drive vehicle.
9. system according to claim 8, which is characterized in that the line shaft of second motor (3) and double clutches The second output shaft (43) of device (4) is coaxially connected.
10. system according to claim 8, which is characterized in that the line shaft and the speed changer of second motor (3) Output shaft (9) is coaxially connected.
11. a kind of vehicle, which is characterized in that including power-driven system according to claim 1 to 10.
CN201711489238.5A 2017-12-29 2017-12-29 Power-driven system and vehicle Pending CN109986954A (en)

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Application Number Priority Date Filing Date Title
CN201711489238.5A CN109986954A (en) 2017-12-29 2017-12-29 Power-driven system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711489238.5A CN109986954A (en) 2017-12-29 2017-12-29 Power-driven system and vehicle

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CN113602073A (en) * 2021-09-10 2021-11-05 中国第一汽车股份有限公司 Dual-motor hybrid power system and control method thereof
US20220266672A1 (en) * 2019-11-18 2022-08-25 Jing-Jin Electric Technologies Co., Ltd. Hybrid single-speed automobile power system

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CN104343898A (en) * 2013-08-09 2015-02-11 现代自动车株式会社 Hybrid powertrain provided with double clutch transmission
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CN113602073A (en) * 2021-09-10 2021-11-05 中国第一汽车股份有限公司 Dual-motor hybrid power system and control method thereof

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