CN109591571A - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
- Publication number
- CN109591571A CN109591571A CN201710920309.6A CN201710920309A CN109591571A CN 109591571 A CN109591571 A CN 109591571A CN 201710920309 A CN201710920309 A CN 201710920309A CN 109591571 A CN109591571 A CN 109591571A
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- Prior art keywords
- gear
- countershaft
- clutch
- main shaft
- motor
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—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 driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—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
- B60K6/442—Series-parallel switching type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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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
This disclosure relates to a kind of hybrid electric drive system and vehicle.The system comprises engines, speed changer, output section, first motor and the second motor, speed changer includes main shaft, countershaft, first shift gear, second shift gear, freewheel clutch, first clutch, the first driven gear that first gear gear package includes the first driving gear by main shaft carrying and carried by countershaft, the second driven gear that second gear gear package includes the second driving gear by main shaft carrying and carried by countershaft, freewheel clutch is arranged between the first driving gear and main shaft or is arranged between the first driven gear and countershaft, the power transmitting that first clutch is used to be switched on or switched off between the second driving gear and main shaft, or the power transmitting for being switched on or switched off between the second driven gear and countershaft, first motor is coaxially connected with main shaft, second motor is connected with countershaft, the line shaft of first motor and the second electricity The coaxial empty set of the line shaft of machine, output section export the power of countershaft transmitting.
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 systems of structure.
To achieve the goals above, the disclosure provides a kind of hybrid electric drive system, comprising:
Engine;
Speed changer, the speed changer include:
Main shaft, the output shaft of the engine and the main shaft are coaxially connected;
Countershaft, the countershaft are parallel with main shaft;
First gear gear set, including the first driving gear carried by the main shaft and carried by the countershaft first
Driven gear;
Second gear gear set, including the second driving gear carried by the main shaft and carried by the countershaft second
Driven gear;
Freewheel clutch, the freewheel clutch are arranged between first driving gear and main shaft or are arranged in institute
It states between the first driven gear and countershaft, so that only can be along from the main shaft to institute by the first gear gear set
State the direction transmitting torque of countershaft;
First clutch, the first clutch are used to be switched on or switched off dynamic between second driving gear and main shaft
Power transmitting, or the power transmitting for being switched on or switched off between second driven gear and countershaft;
First motor, the line shaft and main shaft of the first motor are coaxially connected;
The line shaft of second motor, second motor is connected with the countershaft, the line shaft empty set of second motor
On the line shaft of the first motor;
Output section, the output section is for exporting the power transmitted by the countershaft to drive vehicle.
Optionally, the output axis connection of one end of the main shaft and engine, the power of the other end and the first motor
Axis connection.
Optionally, under engine driving operating condition, when first clutch engagement, the freewheel clutch separation;
When first clutch separation, the freewheel clutch engagement.
Optionally, the freewheel clutch is arranged between first driven gear and countershaft, the first clutch
Power transmitting for being switched on or switched off between second driving gear and main shaft.
Optionally, when the speed changer is in the first gear, the freewheel clutch engagement, the first clutch point
From, the power of the engine successively by the main shaft, first driving gear, first driven gear, described super
More clutch, the countershaft are transferred to the output section;When the speed changer is in the second gear, the freewheel clutch point
From, first clutch engagement, the power of the engine successively passes through the main shaft, the first clutch, described the
Two driving gears, second driven gear, the countershaft are transferred to the output section.
Optionally, first gear is low gear, and second gear is high speed gear.
Optionally, the system also includes the second motor, second motor is connected with the countershaft.
Optionally, the line shaft of second motor is connected with the countershaft by gear drive.
Optionally, the gear drive includes intermeshing first transmission gear and the second transmission gear, described
The line shaft of second motor is engaged with first transmission gear, and second transmission gear is connect with the countershaft.
Optionally, one end of the countershaft is arranged in second transmission gear, and passes through the second clutch with the countershaft
Device connection.
Optionally, the main shaft and countershaft pass through bearing and are mounted on the cabinet of the speed changer.
The disclosure can be realized engine two and keep off power output, structure by using freewheel clutch and first clutch
Simply, at low cost, it is handling good, greatly improve the fuel economy and vehicle ride comfort of engine.By by first
The line shaft of motor and the output shaft of engine are coaxially connected, so that power transmitting needs not move through transmission system, therefore can subtract
Small energy loss, and structure relative compact.It only include two transmission shafts of main shaft and countershaft, shift gear and biography in the speed changer
Moving gear is both connected on two transmission shafts, compares three transmission shafts, the transmission shaft upwards apart from larger, width direction away from
From smaller, it is larger to can adapt to axial upper distance, the lesser installation space of the distance of width direction.
The disclosure also provides a kind of vehicle, using 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 the schematic block diagram according to the hybrid electric drive system of the 6th 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 that the disclosure provides includes engine 1, speed changer, output section 10, first motor 11, second
Motor 12.The power of engine 1 passes to output section 10 by speed changer, and 10 output power of output section is to drive vehicle.
Wherein, speed changer include main shaft 2, countershaft 3, the first gear gear set, the second gear gear set, freewheel clutch 8,
First clutch 9.Main shaft 2 is parallel to each other with countershaft 3, and the output shaft and main shaft 2 of engine 1 are coaxially connected.First shift gear
Group includes the first driving gear 4 carried by main shaft 2 and the first driven gear 5 for being carried by countershaft 3,4 He of the first driving gear
First driven gear 5 can be engaged directly, can also be engaged with intermediate gear, to be sequentially connected by the intermediate gear.
Second gear gear set includes the second driving gear 6 carried by main shaft 2 and the second driven gear 7 for being carried by countershaft 3, and first
Driving gear 4 and the first driven gear 5 can be engaged directly, can also be engaged with intermediate gear, to pass through the center tooth
Wheel transmission connection.Here, the first gear gear set can be low gear gear set, and the second gear gear set can be high gear tooth
Wheel group.
First motor 11 and line shaft and main shaft 2 are coaxially connected, specifically, one end of main shaft 2 and the output shaft of engine 1
Connection, the power axis connection of the other end and first motor 11.First motor 11 can not only be used for generator to be used to generate electricity, and can make
It is motor for driving vehicle.Second motor 12 is connected with countershaft 3, and the second motor 12 can not only be used for motor for driving
Motor-car, but also as generator for generating electricity.Main shaft 2 and countershaft 3 are disposed in parallel relation to one another, and main shaft 2 and countershaft 3 pass through axis
It holds and is mounted on the cabinet of the speed changer.
Since first motor 11 and the output shaft of engine 1 are coaxially connected, so that power transmitting needs not move through transmission system,
Therefore it can reduce energy loss, and structure relative compact.
In the embodiment shown in figure 1, the line shaft empty set of the second motor 12 makes on the line shaft of first motor 11
The structure for obtaining hybrid electric drive system is more compact, shortens axial length, convenient for arranging on vehicle.
Output section 10 is configured to for the power that speed changer exports to be transferred to the wheel of vehicle, such as the output section 10 can
To include output gear 101 and differential mechanism.Output gear 101 is connect with countershaft 3, and is nibbled with the final gear of differential mechanism 102
It closes;In other implementations, the output section 10 also may include differential mechanism.
In the first embodiment shown in Fig. 1, the first driving gear 4 is fixed gear, that is to say, that it is and master
What axis 2 was fixedly connected, to be rotated with main shaft 2.More specifically, the first driving gear 4 can be integrally formed with main shaft 2, it can also
To be connected by key with main shaft 2.
The freewheel clutch is arranged between the first gear gear set and main shaft, or is arranged in the first gear gear set
Between countershaft, engagement by freewheel clutch with separate, so that the first gear gear set is engaged or is separated with main shaft power,
The first gear gear set is either set to engage or separate with countershaft power, so that the switching of power is realized, to realize speed changer
The switching of gear.The freewheel clutch is well known to those skilled in the art, no longer detailed to its structure and working principle at this
State, but due to the particularity of application scenarios, this hybrid power system is using the advantages of freewheel clutch: (1) surmount from
Clutch is that the engagement or separation of two rotating elements are realized using the rotational speed difference of inside and outside two rotating elements, does not need to utilize electricity
Machine or hydraulic module provide engagement or isolated power, and therefore, overrun clutch structure is simple, reliable and stable, can
The reliability of hybrid power system shift is effectively provided;(2) freewheel clutch can avoid keeping off for synchronizer
The momentary interruption of torque transmitting, guarantees the ride comfort of vehicle shift when the switching of position.
In the first embodiment shown in Fig. 1, the setting of freewheel clutch 8 the first driven gear 5 and countershaft 3 it
Between, the torque transmitting for being switched on or switched off between the first driven gear 5 and countershaft 3.In brief, shown in Fig. 1 first
In kind embodiment, when the revolving speed of the first driven gear 5 is greater than or equal to the revolving speed of countershaft 3, freewheel clutch 8 is engaged;When
When the revolving speed of first driven gear 5 is less than the revolving speed of countershaft 3, freewheel clutch 8 is separated.By in the first driven gear 5 and pair
Freewheel clutch 8 is set between axis 3, so that can only be passed along from main shaft 2 to the direction of countershaft 3 by the first gear gear set
Torque delivery, and torque cannot be transmitted along from countershaft 3 to the direction of main shaft 2 by the first gear gear set.
In the first embodiment shown in Fig. 1, first clutch 9 is connect with the second driving gear 6, for connect or
Disconnect the power transmitting between the second driving gear 6 and main shaft 2.When first clutch 9 engages, it keeps the second driving gear
6 initiatively connect to rotate with main shaft 2;When first clutch 9 separates, it, which disconnects the second driving gear 6 with main shaft 2, revolves
Turn.First clutch 9 can perhaps its engagement of wet clutch or discrete state can be by existing using existing dry type
The various clutch operating devices having are controlled.Operating mechanism can use mechanical, fluid pressure type, electronic control type
Etc..
In engine driving operating condition, when first clutch 9 engages, freewheel clutch 8 is separated;When first clutch 9 divides
From when, freewheel clutch 8 engage.Specifically, control first clutch 9 separates, and the power of engine 1 successively passes through main shaft 2, the
One driving gear 4 is transferred to the first driven gear 5, at this point, the outer rotating element of freewheel clutch 8 (is fixed on the first driven tooth
Wheel 5, with the first driven gear 5 rotate synchronously) revolving speed be greater than freewheel clutch 8 interior rotating element (be fixed on countershaft 3, with
Countershaft 3 rotate synchronously) revolving speed, freewheel clutch 8 engage, 1 power of engine passed sequentially through from the first driven gear 5 surmount from
Clutch 8, countershaft 3 are transferred to output section 10, at this point, speed changer is in the first gear.It needs to switch to second gear from the first gear
When position, control first clutch 9 is engaged, and since the transmission ratio of the first gear is greater than the transmission ratio of the second gear, leads to main shaft 2
Revolving speed instantaneously reduces, so that the revolving speed of the outer rotating element of freewheel clutch 8 is less than the revolving speed of interior rotating element, freewheel clutch
8 disconnect, and complete from the first gear to the switching of the second gear.When needing to switch to the first gear from the second gear, control first
Clutch 9 disconnects, and engine 1 transmits power cut by the second gear, and 3 revolving speed of countershaft reduces, when the revolving speed of countershaft 3 is down to
In or less than the second driven gear 5 revolving speed when, that is, the revolving speed of the interior rotating element of freewheel clutch 8 is less than or equal to outer turn
When the revolving speed of dynamic element, freewheel clutch 8 is engaged, and is completed from the second gear to the switching of the first gear.
Second motor 12 can be connected by any suitable mode with countershaft 3, such as be connected by gear drive.
Specifically, in the embodiment shown in figure 1, gear drive includes that intermeshing first transmission gear 13 and second passes
Moving gear 14, the line shaft of the second motor 12 are engaged with the first transmission gear 13, and the second transmission gear 14 is connect with countershaft 3.
Freewheel clutch 8 can be arranged in main shaft 2, can also be arranged in countershaft 3;First clutch 9 can be arranged in master
Axis 2 can also be arranged in countershaft 3.It can be seen that the gear arranged on the gear ratio main shaft 2 arranged on countershaft 3 from Fig. 1 to Fig. 6
More, in order to reduce the axial dimension of hybrid electric drive system, keep system structure more compact, preferably, such as Fig. 1 institute
Show, the relatively small freewheel clutch 8 of volume can be arranged on countershaft 3, by relatively large 9 cloth of first clutch of volume
It sets on main shaft 2.
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 setting of freewheel clutch 8 is in the first driving gear 4 and master
Between axis 2, the power that first clutch 9 is used to be switched on or switched off between the second driven gear 7 and countershaft 3 is transmitted.
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 setting of freewheel clutch 8 is in the first driving gear 4 and master
Between axis 2, the power that first clutch 9 is used to be switched on or switched off between the second driving gear 6 and main shaft 2 is transmitted.
It should be noted that in the case where freewheel clutch 8 is arranged in main shaft 2, when the revolving speed of main shaft 2 is greater than the first master
When the revolving speed of moving gear 4, freewheel clutch 8 is engaged;When revolving speed of the revolving speed of main shaft 2 less than the first driving gear 4, surmount from
Clutch 8 disconnects.And in the case where freewheel clutch 8 is arranged in countershaft 3, when the revolving speed of the first driven gear 5 is greater than countershaft 3
When revolving speed, freewheel clutch 8 is engaged;When the revolving speed of the first driven gear 5 is less than the revolving speed of countershaft 3, freewheel clutch 8 divides
From.
Fig. 4 is the schematic block diagram according to the 4th kind of embodiment of the disclosure.4th kind of embodiment and the first
The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3
Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating
Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog
Wheel 14 is disengaged from countershaft 3, 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 second
The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3
Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating
Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog
Wheel 14 is disengaged from countershaft 3, to reduce load, improves working efficiency.
Fig. 6 is the schematic block diagram according to the 6th kind of embodiment of the disclosure.6th kind of embodiment and the third
The difference of embodiment essentially consists in: one end of countershaft 3 is arranged in the second transmission gear 14, and passes through the second clutch with countershaft 3
Device 15 connects.By the way that second clutch 15 is arranged, so that in pure fuel oil operating condition (including pure fuel oil driving operating condition and pure oil-fired power generating
Operating condition), it can be separated by control second clutch 15, by the second motor 12, the first transmission gear 13 and the second driving cog
Wheel 14 is disengaged from countershaft 3, to reduce load, improves working efficiency.
The hybrid electric drive system of the disclosure can have following operating condition;
One, the second motor pure electric vehicle operating condition.It controls first clutch 9 to disconnect, engine 1 and first motor 11 not work
Make, the second motor 12 drives wheel by differential mechanism, and freewheel clutch 8 disconnects automatically.The operating condition is mainly used at the uniform velocity or city
Situations such as road surface, while battery electricity with higher.The advantages of operating condition, is that the second motor 12 directly drives, and transmission chain is most
Component that is short, participating in work is minimum, can achieve highest transmission efficiency and the smallest noise.
Two, bi-motor pure electric vehicle operating condition.First clutch 9 engages, and freewheel clutch 8 disconnects, the power of first motor 11
Differential mechanism is transmitted to by main shaft 2, the second gear gear set, countershaft 3 to drive wheel.Second motor 12 passes through countershaft 3 and poor
Fast device drives wheel.Two motors adjust revolving speed, it is ensured that the angular speed for being transferred to countershaft 3 is consistent.The operating condition be mainly used for accelerate,
Climb, overtake other vehicles, the larger load occasion such as high speed, and the higher situation of battery capacity.The operating condition possesses compared to single motor driving
Better power performance possesses better economy and lower noise compared to hybrid power, can more protrude the allusion quotation of its advantage
Type application is the congestion road conditions on heavy grade (winding road).
Three, operating condition in parallel.Engine 1, first motor 11 and the second motor 12 drive wheel.Two motor adjustable speeds with
Cooperate the output angular velocity of countershaft 2.The advantages of operating condition is that three engines (engine 1, first motor 11 and the second motor 12) are same
When drive, maximum power performance can be played.
Four, series connection operating condition.It controls first clutch 9 to disconnect, engine 1 connects first motor 11 and charges, the second motor 12
Wheel is driven, freewheel clutch 8 disconnects automatically.The advantages of operating condition is that the second motor 12 directly drives, and transmission chain is most short, participates in
The component of work is minimum, can achieve highest transmission efficiency and the smallest noise, while first motor 11 can pass through torque
And rotational speed regulation, so that engine 1 is maintained at optimal economic area operation, reduces power generation oil consumption.
Five, engine independently drives operating condition.Engine from idling to vehicle launch, the torque of engine 1 by surmount from
Clutch 8 is transmitted to countershaft 3 from main shaft 2, and as speed is promoted, freewheel clutch 8 is disconnected, and first clutch 9 engages, engine gear
Position shifts to the second gear from the first gear.When gear switching, there is overlapping region in the engagement and disconnection process of two clutches,
The momentary interruption for avoiding torque from transmitting guarantees that vehicle runs ride comfort.
Six, engine driving charging operating condition.On the basis of engine independently drives operating condition, while passing through driving first motor
11 power generations.
Seven, braking/deceleration feedback operating condition.It controls first clutch 9 to disconnect, freewheel clutch 8 disconnects automatically, engine 1
First motor 11 is driven to generate electricity, 12 brake wheel of the second motor simultaneously generates electricity.The operating condition is mainly used for vehicle descending, brakes or subtract
Speed.When the advantages of operating condition is to slow down or brake, reach the maximization of feedback energy.Engine 1 and first motor 2 are direct-connected,
So that generating state is stablized, frequent switching is avoided, the service life of component is enhanced.
Eight, mixed connection operating condition.On the one hand engine 1 drives first motor 11 to generate electricity, on the other hand will by shift gear group
Power is transferred to differential mechanism to drive wheel, and the second motor 12 drives wheel by differential mechanism.The operating condition is mainly used for accelerating, climb
The larger load occasion such as slope and electricity it is few in the case where.The advantages of operating condition is the whole power that can play engine 1, both
Guarantee the dynamic property of vehicle, and can generate electricity simultaneously, keeps the electricity of battery.
In conclusion the disclosure can be realized engine two and keep off power by using freewheel clutch and first clutch
Output, structure is simple, at low cost, handling good, greatly improves the fuel economy and vehicle ride comfort of engine.It is logical
It crosses by the coaxial empty set of line shaft of the line shaft of first motor and the second motor, so that the structure of hybrid electric drive system is more
It is compact, axial length is shortened, convenient for arranging on vehicle.
According to one aspect of the disclosure, a kind of vehicle is provided, which uses hybrid drive train as described above
System.
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.For example, in other embodiments, can will surmount from
Clutch be arranged between the first driving gear and main shaft, and make first clutch for be switched on or switched off the second driving gear and
Power transmitting between main shaft;Alternatively, freewheel clutch can be arranged between the first driven gear and countershaft, and make the
The power transmitting that one clutch is used to be switched on or switched off between the second driven gear and countershaft.
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 hybrid electric drive system characterized by comprising
Engine (1);
Speed changer, the speed changer include:
Main shaft (2), the output shaft and the main shaft (2) of the engine (1) are coaxially connected;
Countershaft (3), the countershaft (3) are parallel with main shaft (2);
First gear gear set is carried including the first driving gear (4) carried by the main shaft (2) and by the countershaft (3)
The first driven gear;
Second gear gear set is carried including the second driving gear (6) carried by the main shaft (2) and by the countershaft (3)
The second driven gear (7);
Freewheel clutch (8), the freewheel clutch (8) be arranged between first driving gear (4) and main shaft (2) or
It is arranged between first driven gear (5) and countershaft (3), so that passing through the first gear gear set only can be along
Torque is transmitted from the main shaft (2) to the direction of the countershaft (3);
First clutch (9), the first clutch (9) is for being switched on or switched off second driving gear (6) and main shaft (2)
Between power transmitting, or power for being switched on or switched off between second driven gear (7) and countershaft (3) transmits;
First motor (11), the line shaft and the main shaft (2) of the first motor (11) are coaxially connected;
The line shaft of second motor (12), second motor (12) is connected with the countershaft (3), second motor (12)
Line shaft empty set is on the line shaft of the first motor (11);
Output section (10), the output section (10) are used to export the power by the countershaft (3) transmitting to drive vehicle.
2. system according to claim 1, which is characterized in that under engine driving driving cycle, when described first from
When clutch (9) engages, freewheel clutch (8) separation;When the first clutch (9) separation, the freewheel clutch
(8) it engages.
3. system according to claim 1, which is characterized in that freewheel clutch (8) setting is driven described first
Between gear (5) and countershaft (3), the first clutch (9) is for being switched on or switched off second driving gear (6) and main shaft
(2) the power transmitting between.
4. system according to claim 3, which is characterized in that described to surmount when the speed changer is in the first gear
Clutch (8) engagement, first clutch (9) separation, the power of the engine (1) successively pass through the main shaft (2), institute
State the first driving gear (4), first driven gear (5), the freewheel clutch (8), the countershaft (3) be transferred to it is described
Output section (10);When the speed changer is in the second gear, freewheel clutch (8) separation, the first clutch (9)
Engagement, the power of the engine (1) successively pass through the main shaft (2), the first clutch (9), second driving tooth
Wheel (6), second driven gear (7), the countershaft (3) are transferred to the output section (10).
5. system according to claim 4, which is characterized in that first gear is low gear, second gear
For high speed gear.
6. system according to claim 1, which is characterized in that one end of the main shaft (2) is defeated with the engine (1)
Axis connection out, the other end of the main shaft (2) and the power axis connection of the first motor (11).
7. system according to claim 1, which is characterized in that the line shaft and the countershaft of second motor (12)
(3) it is connected by gear drive.
8. system according to claim 7, which is characterized in that the gear drive includes intermeshing first biography
Moving gear (13) and the second transmission gear (14), the line shaft of second motor (12) and first transmission gear (13) are even
It connects, second transmission gear (14) connect with the countershaft (3).
9. system according to claim 8, which is characterized in that second transmission gear (14) is arranged in the countershaft
(3) one end, and connect with the countershaft (3) by second clutch (15).
10. system according to claim 1, which is characterized in that the main shaft (2) and countershaft (3) are installed by bearing
On the cabinet of the speed changer.
11. a kind of vehicle, which is characterized in that including hybrid drive train according to claim 1 to 10
System.
Priority Applications (1)
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CN201710920309.6A CN109591571A (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710920309.6A CN109591571A (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
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Publication Number | Publication Date |
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CN109591571A true CN109591571A (en) | 2019-04-09 |
Family
ID=65955932
Family Applications (1)
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CN201710920309.6A Withdrawn CN109591571A (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
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CN (1) | CN109591571A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110126605A (en) * | 2019-05-15 | 2019-08-16 | 浙江吉利控股集团有限公司 | A kind of speed change gear, power assembly and vehicle |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001177908A (en) * | 1999-12-10 | 2001-06-29 | Toyota Motor Corp | Vehicle having intermittent operating function of internal combustion engine and start controller used for the vehicle |
CN103415410A (en) * | 2011-03-11 | 2013-11-27 | 腓特烈斯港齿轮工厂股份公司 | Hybrid drive of a motor vehicle and method for controlling a hybrid drive |
CN103573856A (en) * | 2012-08-06 | 2014-02-12 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step-variable transmission for a motor vehicle |
-
2017
- 2017-09-30 CN CN201710920309.6A patent/CN109591571A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001177908A (en) * | 1999-12-10 | 2001-06-29 | Toyota Motor Corp | Vehicle having intermittent operating function of internal combustion engine and start controller used for the vehicle |
CN103415410A (en) * | 2011-03-11 | 2013-11-27 | 腓特烈斯港齿轮工厂股份公司 | Hybrid drive of a motor vehicle and method for controlling a hybrid drive |
CN103573856A (en) * | 2012-08-06 | 2014-02-12 | 格特拉格传动机构和齿轮工厂赫尔曼·哈根迈尔有限公司&两合公司 | Step-variable transmission for a motor vehicle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110126605A (en) * | 2019-05-15 | 2019-08-16 | 浙江吉利控股集团有限公司 | A kind of speed change gear, power assembly and vehicle |
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Application publication date: 20190409 |