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CN109094351A - Hybrid system and hybrid vehicle - Google Patents

Hybrid system and hybrid vehicle Download PDF

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Publication number
CN109094351A
CN109094351A CN201810955606.9A CN201810955606A CN109094351A CN 109094351 A CN109094351 A CN 109094351A CN 201810955606 A CN201810955606 A CN 201810955606A CN 109094351 A CN109094351 A CN 109094351A
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CN
China
Prior art keywords
motor
engine
power system
speed changer
hybrid power
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
CN201810955606.9A
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Chinese (zh)
Inventor
陈鑫
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
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 Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to CN201810955606.9A priority Critical patent/CN109094351A/en
Publication of CN109094351A publication Critical patent/CN109094351A/en
Pending legal-status Critical Current

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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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26Arrangement 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 motors or the generators
    • 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
    • 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 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 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 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
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement 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 the architecture of the hybrid electric vehicle
    • 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
    • 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement 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 the architecture of the hybrid electric vehicle
    • B60K6/46Series type
    • 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
    • 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 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The present invention relates to the field of hybrid vehicles, and more particularly to a hybrid system and a hybrid vehicle. The hybrid system includes: the transmission comprises a first input shaft, a second input shaft, an output shaft, a plurality of synchronous meshing mechanisms and a plurality of gear gears, wherein the synchronous meshing mechanisms and the gear gears are arranged on the shafts; the engine is in transmission connection with the first input shaft through the clutch; the input/output shaft of the first motor is in transmission connection with the second input shaft; and a second motor, wherein the input/output shaft of the second motor is in transmission connection with the output shaft. Thus, the speed of the engine and the speed of the motor do not need to be the same when the engine and the motor are used for driving, so that the problem that the working point of the engine is limited can be avoided; in addition, the operating point at which the efficiency of the engine is highest and the operating point at which the efficiency of the motor is highest can be simultaneously realized.

Description

Hybrid power system and hybrid vehicle
Technical field
The present invention relates to motor vehicle driven by mixed power field, more specifically the present invention relates to hybrid power system and including the mixing The hybrid vehicle of dynamical system.
Background technique
As shown in Figure 1, there is a kind of following hybrid power system, which includes engine ICE, clutch Device K0, motor EM and speed changer TM.
Specifically, engine ICE is four cylinder engine.Engine ICE is located at and the place speed changer TM relative to motor EM The opposite side of side, and the output shaft of engine ICE is via the input shaft driving coupling of clutch K0 and speed changer TM.Work as clutch When device K0 is engaged, the output shaft of engine ICE and the input shaft of speed changer TM realize driving coupling;When clutch K0 separation, The driving coupling of the input shaft of the output shaft and speed changer TM of engine ICE disconnects.
Clutch K0 is the normal clutch of such as dry clutch.
The input/output axis and the input shaft of speed changer TM of motor EM is directly connected to so that motor EM and speed changer TM it Between being capable of bi-directional driving force/torque.In above hybrid power system, electricity is supplied by battery (not shown) in motor EM In the case where energy, motor EM transmits driving force/torque to the input shaft of speed changer TM as motor, is come from motor EM In the case where driving force/torque of the input shaft of speed changer TM, motor EM charges to battery as generator.
In above hybrid power system, when clutch K0 engagement, the output shaft of engine ICE and motor EM's is defeated Enter/the same input shaft of output shaft and speed changer TM realizes and connects.At this moment, driving is used in engine ICE and motor EM In the case of, the speed of engine ICE is identical as the speed of motor EM, and the operating point so as to cause engine ICE is restricted.
In addition, in above hybrid power system, cannot realize simultaneously the highest operating point of the efficiency of engine ICE with The highest operating point of the efficiency of motor EM.
Summary of the invention
The present invention is made that in order to solve the disadvantage that the above-mentioned prior art.Goal of the invention of the invention is to provide one kind Novel hybrid power system, so that the hybrid power system is avoided since the speed of engine and motor must be consistent And the problem for causing the operating point of engine limited.In addition, another goal of the invention of the invention is that it includes upper for providing a kind of State the hybrid vehicle of hybrid power system.
In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme that.
The present invention provides a kind of following hybrid power systems, and the hybrid power system includes: speed changer, the change Fast device include the first input shaft, the second input shaft, output shaft and be set to each axis multiple synchromesh mechanisms and multiple gears Position gear, each axis being capable of selectively driving couplings by the multiple synchromesh mechanism and the multiple shift gear;Hair Motivation and clutch, the engine is via the clutch and the first input shaft driving coupling;First motor, described The input/output axis of one motor and the second input shaft driving coupling;And second motor, the input of second motor/ Output shaft and the output shaft driving coupling.
Preferably, the input/output axis of the first motor is directly connected in coaxial fashion with second input shaft, And the input/output axis of second motor is directly connected in coaxial fashion with the output shaft.
It is highly preferred that the multiple synchromesh mechanism includes the first synchromesh mechanism and the second synchromesh mechanism, First synchromesh mechanism is set to first input shaft, and second synchromesh mechanism is set to the output Axis, and the shift gear for corresponding to first synchromesh mechanism begins with the shift gear for being fixed on second input shaft Be in meshing state eventually, the shift gear corresponding to second synchromesh mechanism be fixed on the gear of first input shaft Position gear is in meshing state always.
Preferably, the hybrid power system further includes control module, and it is dynamic that the control module can control the mixing Force system makes the hybrid power system realize driven in series mode, pure motor drive mode and/or pure engine drive mode,
When the hybrid power system is in the driven in series mode, the engine, the first motor and institute It states the second motor and is in operating status, the clutch engagement, the synchromesh mechanism of the speed changer and corresponding gear Gear engagement, so that the engine is to first motor transmitting torque so that the first motor charges the battery simultaneously And second motor transmits torque for driving to the speed changer;
When the hybrid power system is in the pure motor drive mode, the engine is in halted state, institute State that the second motor is in operating status and the first motor is in halted state or the first motor and second electricity Machine is in operating status, the clutch separation, so that second motor transmits torque for driving to the speed changer Dynamic or both the first motor and second motor transmit torque for driving to the speed changer;And/or
When the hybrid power system is in the pure engine drive mode, the engine it is in operating status and The first motor and second motor are in halted state, the clutch engagement, the synchro-meshing machine of the speed changer Structure is engaged with corresponding shift gear, so that the engine transmits torque for driving to the speed changer.
It is highly preferred that when the hybrid power system is in the pure motor drive mode,
Second motor is in operating status and the first motor is in halted state, the synchronization of the speed changer Engaging mechanism and the equal disconnect engagement of corresponding shift gear make the speed changer be in neutral state, and second motor is to institute The output shaft transmitting torque of speed changer is stated for driving;Or
The first motor and second motor are in operating status, the synchromesh mechanism of the speed changer with it is right The shift gear engagement answered, is turned round so that both the first motor and second motor are transmitted to the output shaft of the speed changer Square is for driving.
It is highly preferred that in addition to the driven in series mode, the pure motor drive mode and the pure engine driving mould Other than formula, the control module, which can also control the hybrid power system, makes the hybrid power system realize shunt mode, Wherein
The engine, the first motor and second motor are in operating status, the clutch engagement, institute The synchromesh mechanism for stating speed changer is engaged with corresponding shift gear, is turned round so that the engine is transmitted to the first motor Square is so that the first motor charges the battery, and the engine and second motor are transmitted to the speed changer Torque is for driving.
It is highly preferred that in addition to the driven in series mode, the pure motor drive mode and the pure engine driving mould Other than formula, the control module, which can also control the hybrid power system, makes the hybrid power system realize that braking energy returns Receipts mode, wherein
The engine and the first motor are in halted state and second motor is in operating status, described Clutch separation, during the synchromesh mechanism of the speed changer is separated with corresponding shift gear so that the speed changer is in Character state, axially second motor transmits torque so that second motor fills battery for the output of the speed changer Electricity.
It is highly preferred that in addition to the driven in series mode, the pure motor drive mode and the pure engine driving mould Other than formula, the control module, which can also control the hybrid power system, makes the hybrid power system realize charge mode, Wherein
The engine and the first motor are in operating status and second motor is in halted state, institute Clutch engagement is stated, the synchromesh mechanism of the speed changer engages with corresponding shift gear, so that the engine is to institute First motor transmitting torque is stated so that the first motor charges the battery;Or
The engine and the first motor are in operating status and second motor is in halted state, institute Clutch engagement is stated, the synchromesh mechanism of the speed changer engages with corresponding shift gear, so that the engine is to institute Torque is transmitted for driving to the speed changer while stating first motor transmitting torque.
It is highly preferred that in addition to the driven in series mode, the pure motor drive mode and the pure engine driving mould Other than formula, the control module, which can also control the hybrid power system, makes the hybrid power system realize that motor assist drives Dynamic model formula, wherein
The clutch engagement, the synchromesh mechanism of the speed changer is engaged with corresponding shift gear, described to start Machine and second motor are in operating status and the first motor is in halted state, so that the engine and institute It states the second motor and transmits torque for driving to the speed changer;Or
The clutch engagement, the synchromesh mechanism of the speed changer is engaged with corresponding shift gear, described to start Machine, the first motor and second motor are in operating status, so that the engine, the first motor and described Second motor transmits torque for driving to the speed changer.
The present invention also provides a kind of following hybrid vehicles, and the hybrid vehicle includes above technical scheme Any one of hybrid power system described in technical solution.
By using above-mentioned technical proposal, the present invention provides a kind of novel hybrid power systems and hybrid electric vehicle , engine and the first input shaft driving coupling in the hybrid power system, two motors are respectively and different from the first input The second input shaft and output shaft driving coupling of axis, the in this way speed and motor in engine and motor for engine when driving Speed need not be identical, therefore the problem that the operating point that can be avoided engine is limited;In addition, by each of above-mentioned speed changer Multiple shift gears and multiple synchromesh mechanisms is arranged in axis, can be realized the highest operating point of efficiency and the motor of engine The highest operating point of efficiency.
Detailed description of the invention
Fig. 1 is to show the schematic diagram of the connection structure of hybrid power system of the prior art.
Fig. 2 is to show the schematic diagram of the connection structure of hybrid power system according to an embodiment of the present invention.
Description of symbols
ICE engine EM motor EM1 first motor EM2 the second motor K0 clutch TM speed changer S1 first is inputted 1 first the second synchromesh mechanism of synchromesh mechanism A2 DM of axis S2 the second input shaft S3 output shaft G1-G9 gear A is poor Fast device
Specific embodiment
Below with reference to the Figure of description specific embodiment that the present invention will be described in detail.It should be noted that in this hair In bright, " driving coupling ", which refers to, can directly transmit driving force/torque or by necessary gear drive between two components Mechanism or clutch transmit driving force/torque.
(structure of hybrid power system)
As shown in Fig. 2, hybrid power system according to an embodiment of the present invention includes engine ICE, first motor EM1, the second motor EM2, clutch K0, speed changer TM and differential mechanism DM.
In the present embodiment, engine ICE is four cylinder engine.But engine ICE is not limited to four cylinder engine, It can also be other types of engine.As shown in Fig. 2, engine ICE is located at and the place speed changer TM relative to clutch K0 The opposite side of side, and the output shaft of engine ICE can be driven via the first input shaft S1 of clutch K0 and speed changer TM Connection.When clutch K0 engagement, the output shaft of engine ICE and the first input shaft S1 of speed changer TM realize driving coupling; When clutch K0 separation, the driving coupling of the first input shaft S1 of the output shaft and speed changer TM of engine ICE is disconnected.
In the present embodiment, clutch K0 not instead of double clutch, the individual tradition with a clutch unit Clutch.Clutch K0 can be the clutch such as dry clutch, herein to the structure of clutch K0 not into Row illustrates.
In the present embodiment, the input/output axis of first motor EM1 is with the second input shaft S2 of speed changer TM with coaxial Mode be directly connected to so that being capable of bi-directional driving force/torque between first motor EM1 and speed changer TM.It is above-mentioned " with same The mode of axis is directly connected to " indicate that the input/output axis of first motor EM1 and the second input shaft S2 of speed changer TM can be same The input/output axis of one axis or first motor EM1 and the second input shaft S2 of speed changer TM are directly connected between the two.
In the case where first motor EM1 is by battery (not shown) supply of electrical energy, first motor EM1 is as motor to change The second input shaft S2 of fast device TM transmits driving force/torque, obtains the second input shaft from speed changer TM in first motor EM1 In the case where driving force/torque of S2, first motor EM1 charges to battery as generator.
In the present embodiment, the input/output axis of the second motor EM2 and the output shaft S3 of speed changer TM are with coaxial side Formula is directly connected to.Second motor EM2 can share one group of battery from first motor EM1 or use different groups of battery respectively.
In the case where the second motor EM2 is by battery (not shown) supply of electrical energy, the second motor EM2 is as motor to change The output shaft S3 of fast device TM transmits driving force/torque, obtains the driving of the output shaft S3 from speed changer TM in the second motor EM2 In the case where power/torque, the second motor EM2 charges to battery as generator.
In the present embodiment, speed changer TM include the first input shaft S1 of setting parallel to each other and spaced apart, it is second defeated Enter axis S2 and output shaft S3.Further, speed changer TM further includes for constituting the shift gear of multiple groups gear pair (gear G1- G8), for output driving power/torque output gear (gear G9) and synchromesh mechanism (the first synchromesh mechanism A1 With the second synchromesh mechanism A2).
In the present embodiment, the first synchromesh mechanism A1 is set to the first input shaft S1, the second synchromesh mechanism A2 is set to output shaft S3, and each synchromesh mechanism A1, A2 includes synchronizer system and gear actuator and corresponds respectively to Two shift gears.Specifically, the first synchromesh mechanism A1 corresponds to gear G3, G4;Second synchromesh mechanism A2 is corresponding In gear G5, G6.
In the present embodiment, speed changer TM includes 4 groups of gear pairs being made of shift gear, below with reference to specification Each group gear pair in Detailed description of the invention speed changer TM.
Gear G1 is fixed on the first input shaft S1, and gear G5 is set to output shaft S3 and gear G1 and gear G5 locates always In meshing state, to constitute the 1st group of gear pair.When transmitting driving force/torque to output shaft S3, the 1st group of gear pair is for hair Motivation ICE and first motor EM1 can be used.
Gear G2 and gear G1 are fixed on the first input shaft S1 at interval, and gear G6 is set at interval with gear G5 Output shaft S3 and gear G2 and gear G6 are in meshing state always, to constitute the 2nd group of gear pair.It is transmitted to output shaft S3 When driving force/torque, the 2nd group of gear pair can use engine ICE and first motor EM1.
Gear G3 and gear G2 are set to the first input shaft S1 at interval, gear G7 be fixed on the second input shaft S2 and Gear G3 and gear G7 are in meshing state always, to constitute the 3rd group of gear pair.Driving force/torque is being transmitted to output shaft S3 When, the 3rd group of gear pair can use first motor EM1.
Gear G4 and gear G3 are set to the first input shaft S1 at interval, and gear G8 is fixed at interval with gear G7 Second input shaft S2 and gear G4 and gear G8 are in meshing state always, to constitute the 4th group of gear pair.To output shaft S3 When transmitting driving force/torque, the 4th group of gear pair can use first motor EM1.
Specifically, when each axis output driving power/torque of the engine ICE via speed changer TM, the driving of engine ICE Power/torque can be transmitted via the 1st group of gear pair or the 2nd group of gear pair;When motor EM1 is defeated via each axis of speed changer TM Out when driving force/torque, driving force/torque of motor EM1 can first via the 3rd group of gear pair or the 4th group of gear pair, again via 1st group of gear pair or the 2nd group of gear pair are transmitted.
In addition, above four groups of gear pairs are used to driving force/torsion that transmitting driving vehicle advances in speed changer TM Square changes the advance and retroversion for realizing vehicle by the rotation direction of first motor EM1 and/or the second motor EM2, but still Gear pair corresponding with reversing gear can be set in speed changer TM, gear pair corresponding with reverse gear is just not explained in detail herein ?.
In this way, by using above structure, multiple shift gear G1-G8 of speed changer TM and multiple synchromesh mechanisms A1, A2 are set to the first input shaft S1, the second input shaft S2 and output shaft S3, and multiple shift gear G1-G8 are engaged with each other with structure At multiple groups gear pair, multiple synchromesh mechanisms A1, A2 can be engaged with corresponding shift gear or disconnect engagement is changed with realizing Gear.When needing speed changer TM to carry out shift operation, the synchronizer system and gear actuation of corresponding synchromesh mechanism A1, A2 Device is acted so that gear pair corresponding with various gears realizes driving coupling between each axis or disconnects driving coupling.Also It is to say, can be selected by multiple synchromesh mechanism A1, A2 with the engagement of corresponding shift gear G3, G4, G5, G6 engaging/disengaging To selecting property to realize driving coupling between each axis.In addition, other outputs can also be arranged as needed for speed changer TM Axis, jackshaft and/or other gear pairs and synchromesh mechanism.
The gear G9 of output gear as output shaft S3 is fixed on output shaft S3 and begins with the outer gear ring of differential mechanism DM It is in meshing state, eventually to realize the driving coupling between output shaft S3 and differential mechanism DM.
In addition, in the present embodiment, the output shaft S3 driving coupling of differential mechanism DM and speed changer TM become for that will come from Driving force/torque of fast device TM is transmitted to the wheel of vehicle for driving.In the present embodiment, differential mechanism DM is not included in In speed changer TM, but differential mechanism DM can also be integrated into speed changer TM as needed.
The specific structure of hybrid power system according to an embodiment of the present invention is illustrated in detail above, below will Illustrate the control mode of the hybrid power system.
(control mode of hybrid power system)
Hybrid power system according to an embodiment of the present invention shown in Figure 2 further include control module (in figure not Show), the control module is for controlling hybrid power system so that hybrid power system is respectively at various modes, following table 1 Show the working condition of each component in hybrid power system under various modes.
[table 1]
It should be noted that " driving " in above table 1 refers to that motor EM1, EM2 are transmitted to speed changer TM for driving Dynamic driving force/torque;" power generation " in above table 1 refers to that motor EM1, EM2 receive to come from via speed changer TM and starts Driving force/torque of machine ICE to battery for charging;" left/right " in the above table 1 is for the first synchro-meshing machine Structure A1 refers to be engaged with gear G3 or gear G4, and the second synchro-meshing structure A2 is referred to and is engaged with gear G5 and gear G6; " centre " in the above table 1 for the first synchromesh mechanism A1 refer to gear G3 and the equal disconnect engagement of gear G4, for Second synchromesh mechanism A2 refers to and gear G5 and the equal disconnect engagement of gear G6.
Keep hybrid power system realization following dark it is found that control module can control hybrid power system by above table 1 Middle operational mode, i.e. driven in series mode, pure motor drive mode and pure engine drive mode.
When hybrid power system is in driven in series mode, engine ICE, first motor EM1 and the second motor EM2 are equal It is in operating status, clutch K0 engagement, the first synchromesh mechanism A1 and gear G3 or gear G4 engage and second synchronize nibble Mechanism A2 and gear G5 and the equal disconnect engagement of gear G6 are closed to which engine ICE is to first motor EM1 transmitting torque so that first Motor EM1 is charged the battery, and the second motor EM2 transmits torque for driving to the output shaft S3 of speed changer TM.
When hybrid power system is in pure motor drive mode, including the following two kinds situation:
Single motor mode, wherein engine ICE and first motor EM1 is in halted state and the second motor EM2 is in Operating status, clutch K0 separation, the first synchromesh mechanism A1 are synchronous with gear G3 and the equal disconnect engagement of gear G4 and second Engaging mechanism A2 and gear G5 and the equal disconnect engagement of gear G6, so that speed changer TM is in neutral state, thus the second motor EM2 Torque is transmitted for driving to the output shaft S3 of speed changer TM;Or
Bi-motor mode, wherein engine ICE is in halted state and first motor EM1 and the second motor EM2 locate In operating status, clutch K0 separation, the first synchromesh mechanism A1 is engaged with gear G3 or gear G4 and the second synchro-meshing Mechanism A2 is engaged with gear G5 or gear G6, thus the output shaft of both first motor EM1 and the second motor EM2 to speed changer TM S3 transmits torque for driving.
When hybrid power system is in pure engine drive mode, first motor EM1 and the second motor EM2 are in and stop Only state and engine ICE is in operating status, clutch K0 engagement, the first synchromesh mechanism A1 and gear G3 and gear G4 Equal disconnect engagement and the second synchromesh mechanism A2 is engaged with gear G5 or gear G6, so that engine ICE is to speed changer TM's First input shaft S1 transmits torque.At this moment, the working condition of hybrid power system and traditional petrol power system is the same.
Further, as shown in table 1, in addition to driven in series mode, pure motor drive mode and pure engine drive mode In addition, control module, which can also control hybrid power system, makes hybrid power system realize following shunt mode.
When hybrid power system is in shunt mode, engine ICE, first motor EM1 and the second motor EM2 are in Operating status, clutch K0 engagement, the first synchromesh mechanism A1 is engaged with gear G3 or gear G4 and the second synchro-meshing machine Structure A2 is engaged with gear G5 or gear G6, so that engine ICE is to first motor EM1 transmitting torque so that first motor EM1 is charged the battery, and engine ICE and the second motor EM2 to the output shaft S3 of speed changer TM transmit torque with In driving.
Further, as shown in table 1, in addition to driven in series mode, pure motor drive mode and pure engine drive mode In addition, control module, which can also control hybrid power system, makes hybrid power system realize following Brake energy recovery mode.
When hybrid power system is in Brake energy recovery mode, engine ICE and first motor EM1 are in and stop shape State and the second motor EM2 is in operating status, clutch K0 separation, the first synchromesh mechanism A1 and gear G3 and gear G4 Equal disconnect engagement and the second synchromesh mechanism A2 and gear G5 and the equal disconnect engagement of gear G6, so that speed changer TM is in neutrality The output shaft S3 of state, speed changer TM transmits torque to the second motor EM2, so that a part of braking energy is via speed changer TM Output shaft S3 be transmitted to the second motor EM2, the second motor EM2 is charged the battery as generator, to recycle a part Braking energy.
Further, as shown in table 1, in addition to driven in series mode, pure motor drive mode and pure engine drive mode In addition, control module, which can control hybrid power system, makes hybrid power system realize following charge mode.Work as hybrid power system When system is in charge mode, including the following two kinds situation:
Charge mode when static, wherein engine ICE and first motor EM1 is in operating status and the second motor EM2 is in halted state, and clutch K0 engagement, the first synchromesh mechanism A1 is engaged with gear G3 or gear G4 and second is synchronous Engaging mechanism A2 and gear G5 and the equal disconnect engagement of gear G6, so that engine ICE makes the to first motor EM1 transmitting torque One motor EM1 is charged the battery;Or
Charge mode when driving, wherein engine ICE and first motor EM1 is in operating status and the second motor EM2 is in halted state, and clutch K0 engagement, the first synchromesh mechanism A1 is engaged with gear G3 or gear G4 and second is synchronous Engaging mechanism A2 is engaged with gear G5 or gear G6, at this time engine ICE to first motor EM1 transmitting torque and to speed change The output shaft S3 transmitting torque of device TM is for driving.
Further, as shown in table 1, in addition to driven in series mode, pure motor drive mode and pure engine drive mode In addition, control module, which can also control hybrid power system, makes hybrid power system realize motor assist drive mode.Work as mixing Specifically include the following two kinds situation when dynamical system is in motor assist drive mode:
Single motor auxiliary drive mode, wherein engine ICE and the second motor EM2 is in operating status and the first electricity Machine EM1 is in halted state, clutch K0 engagement, the first synchromesh mechanism A1 and gear G3 and the equal disconnect engagement of gear G4 and Second synchromesh mechanism A2 is engaged with gear G5, so that output shaft S3 of the engine ICE and the second motor EM2 to speed changer TM Transmitting torque is for driving;Or
Bi-motor auxiliary drive mode, wherein engine ICE, first motor EM1 and the second motor EM2 are in operation shape State, clutch K0 engagement, the first synchromesh mechanism A1 is engaged with gear G4 and the second synchromesh mechanism A2 and gear G5 connects It closes, so that engine ICE, first motor EM1 and the second motor EM2 transmit torque for driving to the output shaft S3 of speed changer TM It is dynamic.
In addition, the hybrid vehicle includes having the above structure the present invention also provides a kind of hybrid vehicle Hybrid power system.
By using above-mentioned technical proposal, the present invention provides a kind of novel hybrid power systems and hybrid electric vehicle , which has the following advantages that.
On the one hand, which neatly can adjust and select engine ICE, first motor EM1 and second Transmission ratio between motor EM2, so that system obtains optimal combined efficiency;The hybrid power system can be adapted to first The speed of motor EM1 adjusts the speed of engine ICE, so as to simultaneously realize the motor operating point of optimum efficiency and optimal The engine working point of efficiency.
On the other hand, which can use driven in series mode in the lower situation of charge level, both It ensure that the normally travel of vehicle to battery can effectively charge again, which can also enhance this The robustness and stability of hybrid power system are in special in the case where lower charge level especially in the driving procedure of city Not not effectively.

Claims (10)

1. a kind of hybrid power system, which is characterized in that the hybrid power system includes:
Speed changer, the speed changer include the first input shaft, the second input shaft, output shaft and the multiple synchronizations for being set to each axis Engaging mechanism and multiple shift gears, each axis can be selected by the multiple synchromesh mechanism and the multiple shift gear Property ground driving coupling;
Engine and clutch, the engine is via the clutch and the first input shaft driving coupling;
First motor, the input/output axis of the first motor and the second input shaft driving coupling;And
Second motor, the input/output axis of second motor and the output shaft driving coupling.
2. hybrid power system according to claim 1, which is characterized in that
The input/output axis of the first motor is directly connected in coaxial fashion with second input shaft, and
The input/output axis of second motor is directly connected in coaxial fashion with the output shaft.
3. hybrid power system according to claim 2, which is characterized in that
The multiple synchromesh mechanism includes the first synchromesh mechanism and the second synchromesh mechanism, and described first synchronizes and nibble It closes mechanism and is set to first input shaft, second synchromesh mechanism is set to the output shaft, and
Corresponding to first synchromesh mechanism shift gear and be fixed on the shift gear of second input shaft always Shift gear and the gear that is fixed on first input shaft in meshing state, corresponding to second synchromesh mechanism Gear is in meshing state always.
4. hybrid power system according to any one of claim 1 to 3, which is characterized in that the hybrid power system It further include control module, the control module, which can control the hybrid power system, realizes the hybrid power system serially Drive mode, pure motor drive mode and/or pure engine drive mode,
When the hybrid power system is in the driven in series mode, the engine, the first motor and described Two motors are in operating status, the clutch engagement, the synchromesh mechanism of the speed changer and corresponding shift gear Engagement, so that the engine is to first motor transmitting torque so that the first motor charges the battery and institute It states the second motor and transmits torque for driving to the speed changer;
When the hybrid power system is in the pure motor drive mode, the engine is in halted state, and described Two motors are in operating status and the first motor is in halted state or the first motor and second motor is equal It is in operating status, the clutch separation so that second motor to the speed changer transmit torque with for drive or Both first motor described in person and second motor transmit torque for driving to the speed changer;And/or
When the hybrid power system is in the pure engine drive mode, the engine is in operating status and described First motor and second motor are in halted state, the clutch engagement, the synchromesh mechanism of the speed changer with Corresponding shift gear engagement, so that the engine transmits torque for driving to the speed changer.
5. hybrid power system according to claim 4, which is characterized in that when the hybrid power system is in described pure When motor drive mode,
Second motor is in operating status and the first motor is in halted state, the synchro-meshing of the speed changer Mechanism and the equal disconnect engagement of corresponding shift gear make the speed changer be in neutral state, and second motor is to the change The output shaft transmitting torque of fast device is for driving;Or
The first motor and second motor are in operating status, the synchromesh mechanism of the speed changer with it is corresponding Shift gear engagement so that both the first motor and second motor to the output shaft of the speed changer transmit torque with For driving.
6. hybrid power system according to claim 4, which is characterized in that in addition to the driven in series mode, described pure Other than motor drive mode and the pure engine drive mode, the control module can also control the hybrid power system The hybrid power system is set to realize shunt mode, wherein
The engine, the first motor and second motor are in operating status, the clutch engagement, the change The synchromesh mechanism of fast device is engaged with corresponding shift gear so that the engine to the first motor transmit torque with Charge the battery the first motor, and the engine and second motor transmit torque to the speed changer For driving.
7. hybrid power system according to claim 4, which is characterized in that in addition to the driven in series mode, described pure Other than motor drive mode and the pure engine drive mode, the control module can also control the hybrid power system The hybrid power system is set to realize Brake energy recovery mode, wherein
The engine and the first motor are in halted state and second motor is in operating status, the clutch Device separation, the synchromesh mechanism of the speed changer is separated with corresponding shift gear so that the speed changer is in middle character State, axially second motor transmits torque so that second motor charges the battery for the output of the speed changer.
8. hybrid power system according to claim 4, which is characterized in that in addition to the driven in series mode, described pure Other than motor drive mode and the pure engine drive mode, the control module can also control the hybrid power system The hybrid power system is set to realize charge mode, wherein
The engine and the first motor are in operating status and second motor is in halted state, it is described from Clutch engagement, the synchromesh mechanism of the speed changer engages with corresponding shift gear, so that the engine is to described the One motor transmits torque so that the first motor charges the battery;Or
The engine and the first motor are in operating status and second motor is in halted state, it is described from Clutch engagement, the synchromesh mechanism of the speed changer engages with corresponding shift gear, so that the engine is to described the Torque is transmitted for driving to the speed changer while one motor transmits torque.
9. hybrid power system according to claim 4, which is characterized in that in addition to the driven in series mode, described pure Other than motor drive mode and the pure engine drive mode, the control module can also control the hybrid power system The hybrid power system is set to realize motor assist drive mode, wherein
Clutch engagement, the synchromesh mechanism of the speed changer are engaged with corresponding shift gear, the engine with Second motor is in operating status and the first motor is in halted state, so that the engine and described Two motors transmit torque for driving to the speed changer;Or
The clutch engagement, the synchromesh mechanism of the speed changer are engaged with corresponding shift gear, the engine, institute It states first motor and second motor is in operating status, so that the engine, the first motor and described second Motor transmits torque for driving to the speed changer.
10. a kind of hybrid vehicle, which is characterized in that the hybrid vehicle includes any one of claims 1 to 9 institute The hybrid power system stated.
CN201810955606.9A 2018-08-21 2018-08-21 Hybrid system and hybrid vehicle Pending CN109094351A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110774883A (en) * 2019-12-05 2020-02-11 重庆青山工业有限责任公司 Dual-motor hybrid power system for vehicle
CN112483608A (en) * 2020-12-11 2021-03-12 浙江吉利控股集团有限公司 Speed change gear, hybrid power assembly and vehicle
CN113043828A (en) * 2021-03-18 2021-06-29 江苏大学 Transmission of vehicle hybrid power system and control method
CN113415155A (en) * 2021-08-05 2021-09-21 江苏汇智高端工程机械创新中心有限公司 Master-slave type double-motor transmission device, driving system and electric engineering vehicle
CN113415154A (en) * 2021-08-05 2021-09-21 江苏汇智高端工程机械创新中心有限公司 Single motor drive transmission structure and engineering vehicle
CN113602071A (en) * 2021-08-13 2021-11-05 江苏大学 A hybrid power system and control method
CN114368272A (en) * 2020-10-15 2022-04-19 舍弗勒技术股份两合公司 Hybrid power system and vehicle
CN115214347A (en) * 2021-12-15 2022-10-21 广州汽车集团股份有限公司 Hybrid power system and vehicle with same
WO2023231998A1 (en) * 2022-06-01 2023-12-07 厦门国创中心先进电驱动技术创新中心 Variable transmission system of hybrid electric vehicle

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110774883A (en) * 2019-12-05 2020-02-11 重庆青山工业有限责任公司 Dual-motor hybrid power system for vehicle
CN114368272A (en) * 2020-10-15 2022-04-19 舍弗勒技术股份两合公司 Hybrid power system and vehicle
CN112483608A (en) * 2020-12-11 2021-03-12 浙江吉利控股集团有限公司 Speed change gear, hybrid power assembly and vehicle
CN113043828A (en) * 2021-03-18 2021-06-29 江苏大学 Transmission of vehicle hybrid power system and control method
CN113415155A (en) * 2021-08-05 2021-09-21 江苏汇智高端工程机械创新中心有限公司 Master-slave type double-motor transmission device, driving system and electric engineering vehicle
CN113415154A (en) * 2021-08-05 2021-09-21 江苏汇智高端工程机械创新中心有限公司 Single motor drive transmission structure and engineering vehicle
CN113415155B (en) * 2021-08-05 2022-04-05 江苏汇智高端工程机械创新中心有限公司 Master-slave type double-motor transmission device, driving system and electric engineering vehicle
CN113602071A (en) * 2021-08-13 2021-11-05 江苏大学 A hybrid power system and control method
CN113602071B (en) * 2021-08-13 2024-07-30 江苏大学 Hybrid power system and control method
CN115214347A (en) * 2021-12-15 2022-10-21 广州汽车集团股份有限公司 Hybrid power system and vehicle with same
WO2023231998A1 (en) * 2022-06-01 2023-12-07 厦门国创中心先进电驱动技术创新中心 Variable transmission system of hybrid electric vehicle

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Application publication date: 20181228