CN113479057A - Hybrid drive system - Google Patents

Hybrid drive system Download PDF

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Publication number
CN113479057A
CN113479057A CN202110888278.7A CN202110888278A CN113479057A CN 113479057 A CN113479057 A CN 113479057A CN 202110888278 A CN202110888278 A CN 202110888278A CN 113479057 A CN113479057 A CN 113479057A
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China
Prior art keywords
gear
shaft
driven gear
driving gear
synchronizer
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CN202110888278.7A
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Chinese (zh)
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不公告发明人
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Individual
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Priority to CN202110888278.7A priority Critical patent/CN113479057A/en
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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
    • B60K6/24—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 combustion engines
    • 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
    • B60K6/26—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 motors or the generators
    • 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
    • B60K6/28—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 electric energy storing means, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • 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

The present invention relates to a hybrid drive system, comprising: the power transmission device comprises an engine for outputting power through an output shaft of the engine, a motor for outputting power through an output shaft of the motor, a first transmission part, a second transmission part and a third transmission part. The first, second and third transmission portions are for receiving power from the engine and/or electric machine. The hybrid driving system can realize multi-gear power transmission.

Description

Hybrid drive system
Technical Field
The invention belongs to the field of vehicles, and particularly relates to a hybrid drive system.
Background
Hybrid drive systems for electric vehicles are generally equipped with both power sources, an engine and a motor, however, due to limitations in charging time and charging conditions, it is generally necessary to charge a battery with the engine to provide sufficient electric power for the motor.
Disclosure of Invention
The invention aims to provide a hybrid drive system.
The method is realized by the following technical means:
a hybrid propulsion system comprising: an engine for outputting power through an engine output shaft, and a motor for outputting power through a motor output shaft, a first transmission part, a second transmission part, and a third transmission part for receiving power from the engine and/or the motor, respectively, the first transmission part including a first clutch, a first shaft, a first driving gear, a first synchronizer, a third driving gear, a fifth driving gear, a seventh driving gear, a first driven gear, a main reduction driving gear, a third driven gear, a fifth driven gear, a third synchronizer, and a seventh driven gear, wherein the first clutch selectively couples the engine output shaft to the first shaft to transmit the output power of the engine to the first shaft, and the first synchronizer, the fifth driving gear, and the seventh driving gear are fixedly connected to the first shaft to rotate in synchronization with the first shaft A first driving gear and a third driving gear which are disposed on both sides of the first synchronizer and rotatably supported on the first shaft, wherein a first driven gear, a main reduction driving gear, a third driven gear and a third synchronizer are all fixedly disposed on a third shaft, a fifth driven gear and a seventh driven gear are all rotatably supported on the third shaft, and the first driven gear is in meshed connection with the first driving gear, the third driven gear is in meshed connection with the third driving gear, the main reduction driving gear is disposed between the first driven gear and the third driven gear, the fifth driven gear and the seventh driven gear are disposed on both sides of the third synchronizer and are respectively in meshed connection with the fifth driving gear and the seventh driving gear; the second transmission part includes a second clutch selectively coupling the engine output shaft to the second shaft to transmit the output power of the engine to the second shaft, a reverse input sprocket, a reverse chain, a fourth synchronizer, a sixth driving gear, a fourth driving gear, a second driving gear, a reverse driven sprocket, a sixth driven gear, a fourth driven gear, a second synchronizer, and a second driven gear, wherein the fourth synchronizer, the fourth driving gear, and the second driving gear are fixedly connected to the second shaft to rotate in synchronization with the second shaft, the reverse input sprocket and the sixth driving gear are disposed at both sides of the fourth synchronizer and rotatably supported on the second shaft, wherein the reverse driven sprocket, the sixth driven gear, and the second synchronizer are all fixedly disposed on a third shaft, the fourth driven gear and the second driven gear are both rotatably supported on a third shaft, and the reverse driven sprocket is in transmission connection with the reverse input sprocket through the reverse chain, the third driven gear is in meshing connection with the third driving gear, the main reduction driving gear is arranged between the first driven gear and the third driven gear, the sixth driven gear is in meshing connection with the sixth driving gear, and the fourth driven gear and the second driven gear are arranged on both sides of the second synchronizer and are in meshing connection with the fourth driving gear and the second driving gear respectively; the third transmission part includes an auxiliary first driving gear, a power generating combination gear, a fifth synchronizer, an auxiliary first driven gear, an auxiliary second driving gear, an auxiliary second driven gear, and a sixth synchronizer, wherein the auxiliary first driving gear and the fifth synchronizer are fixedly connected to the motor output shaft to receive output power from the motor, the power generating combination gear is fixedly connected to the first shaft, and the fifth synchronizer is spaced apart from an end of the first shaft to be selectively connected to the power generating combination gear to selectively connect the first shaft and the motor output shaft together, wherein the auxiliary first driven gear and the auxiliary second driving gear are fixedly disposed on a fourth shaft and are in mesh connection with the auxiliary first driving gear and the auxiliary second driven gear, respectively, the auxiliary second driven gear is rotatably supported on a second axle shaft and is selectively connected to the second axle shaft by a sixth synchronizer fixedly disposed on the second axle shaft.
The term "selectively" as used herein means that two components are disconnectably connected by a component similar to a "synchronizer".
The invention has the following effects:
the hybrid drive system according to the present application can realize 8 gears using two clutches and six synchronizers, and thus can realize a compact drive system design and can be widely applied to hybrid vehicles (e.g., general cars or commercial vehicles) having various functional requirements.
2, the power of the engine can be transmitted to the motor by using the first clutch and the fifth synchronizer, so that the motor can be used as a generator to charge a battery or other external loads of the vehicle, and various functional requirements of users can be met (for example, vehicle tail dispatch and the like are realized).
When the battery is sufficient, the power of the engine and the motor can be fully utilized to drive the vehicle, so that higher power/power can be utilized, and the rapid overtaking of the vehicle is facilitated, the obstacle crossing capability is improved, and the operation experience of a driver is improved. In addition, the vehicle can be driven to run by only the motor, so that fuel can be saved, the fuel economy is improved, and the environment is protected.
Drawings
FIG. 1 is a schematic illustration of a hybrid propulsion system according to the present application;
FIG. 2 is an enlarged view of portion A of a hybrid propulsion system according to the present application;
FIG. 3 is an enlarged view of portion B of a hybrid propulsion system according to the present application;
fig. 4 is an enlarged view of a portion C of the hybrid drive system according to the present application.
Wherein: 100-engine, 101-engine output shaft, 102-first clutch, 103-second clutch, 104-first shaft, 105-second shaft, 106-reverse input sprocket, 107-reverse chain, 108-fourth synchronizer, 109-sixth driving gear, 110-fourth driving gear, 111-second driving gear, 112-first driving gear, 113-first synchronizer, 114-third driving gear, 115-fifth driving gear, 116-seventh driving gear, 200-third shaft, 201-reverse driven sprocket, 202-sixth driven gear, 203-fourth driven gear, 204-second synchronizer, 205-second driven gear, 206-first driven gear, 207-main reduction driving gear, 208-third driven gear, 209-fifth driven gear, 210-third synchronizer, 211-seventh driven gear, 300-differential, 301-main reduction driven gear, 302-first axle gear, 303-planet axle, 304-first planet gear, 305-second axle gear, 306-second planet gear, 400-motor, 401-auxiliary first driving gear, 402-power generation combination gear, 403-fifth synchronizer, 404-auxiliary first driven gear, 405-auxiliary second driving gear, 406-auxiliary second driven gear, 407-sixth synchronizer, 51-first wheel, 52-second wheel.
Detailed Description
The present application provides a hybrid drive system, and a hybrid drive system according to the present application will be described in detail below with reference to fig. 1 to 4.
The hybrid drive system according to the present application may include: an engine 100 for outputting power through an engine output shaft 101, and a motor 400, a first transmission part B, a second transmission part a, and a third transmission part C for outputting power through a motor output shaft, respectively. The first, second and third transmission portions B, a and C may be used to receive power from the engine 100 and/or the motor 400 and transmit the power to wheels of the vehicle or other power output (e.g., power generation).
The first transmission part B may include a first clutch 102, a first shaft 104, a first driving gear 112, a first synchronizer 113, a third driving gear 114, a fifth driving gear 115, a seventh driving gear 116, a first driven gear 206, a main reduction driving gear 207, a third driven gear 208, a fifth driven gear 209, a third synchronizer 210, and a seventh driven gear 211.
The first clutch 102 selectively couples the engine output shaft 101 to the first shaft 104 to transmit the output power of the engine to the first shaft 104, and by way of example, when the first clutch 102 is coupled, the engine output shaft 101 may be coupled with the first shaft 104 so that the power of the engine may be transmitted to the first shaft 104, and when the first clutch 102 is decoupled, the engine output shaft 101 may be decoupled from the first shaft 101 so that the motions thereof may be independent of each other. The first synchronizer 113, the fifth driving gear 115, and the seventh driving gear 116 are fixedly connected to the first shaft 104 to rotate in synchronization with the first shaft 104, and the first driving gear 112 and the third driving gear 114 are disposed at both sides of the first synchronizer 113 and rotatably supported on the first shaft 104.
The first synchronizer 113 may couple one of the first driving gear 112 and the third driving gear 114 to the first shaft 104, thereby transmitting power of the engine using a gear coupled to the first shaft 104.
The first driven gear 206, the main reduction driving gear 207, the third driven gear 208, and the third synchronizer 210 are all fixedly provided on the third shaft 200, and the fifth driven gear 209 and the seventh driven gear 211 are all rotatably supported on the third shaft 200. The first driven gear 206 is engaged with the first driving gear 112, the third driven gear 208 is engaged with the third driving gear 114, the main reduction driving gear 207 is disposed between the first driven gear 206 and the third driven gear 208, and the fifth driven gear 209 and the seventh driven gear 211 are disposed on both sides of the third synchronizer 210 and engaged with the fifth driving gear 115 and the seventh driving gear 116, respectively.
The third synchronizer 210 may couple one of the fifth driven gear 209 and the seventh driven gear 211 to the third shaft 200, so that the third shaft 200 may transmit power using the coupled gears.
The second transmission part a includes a second clutch 103, a second shaft 105, a reverse input sprocket 106, a reverse chain 107, a fourth synchronizer 108, a sixth driving gear 109, a fourth driving gear 110, a second driving gear 111, a reverse driven sprocket 201, a sixth driven gear 202, a fourth driven gear 203, a second synchronizer 204, and a second driven gear 205. The first shaft 104 is fitted in the second shaft 105.
The second clutch 103 selectively couples the engine output shaft 101 to the second shaft 105 to transmit the output power of the engine to the second shaft 105, the fourth synchronizer 108, the fourth driving gear 110, and the second driving gear 111 are fixedly connected to the second shaft 105 to rotate in synchronization with the second shaft 105, and the reverse input sprocket 106 and the sixth driving gear 109 are disposed on both sides of the fourth synchronizer 108 and rotatably supported on the second shaft 105. The fourth synchronizer 108 may couple one of the reverse input sprocket 106 and the sixth drive gear 109 to the second shaft 105.
The reverse driven sprocket 201, the sixth driven gear 202 and the second synchronizer 204 are all fixedly disposed on the third shaft 200, the fourth driven gear 203 and the second driven gear 205 are all rotatably supported on the third shaft 200, and the reverse driven sprocket 201 is in driving connection with the reverse input sprocket 106 through the reverse chain 107, the third driven gear 208 is in meshing connection with the third driving gear 114, the main reduction driving gear 207 is disposed between the first driven gear 206 and the third driven gear 208, the sixth driven gear 202 is in meshing connection with the sixth driving gear 109, and the fourth driven gear 203 and the second driven gear 205 are disposed on both sides of the second synchronizer 204 and are in meshing connection with the fourth driving gear 110 and the second driving gear 111, respectively. The second synchronizer 204 may couple one of the fourth driven gear 203 and the second driven gear 205 to the third shaft 200. The first shaft 104 and the third shaft 200 are selectively coupled together by a fifth synchronizer 403.
The third transmitting portion C may include an auxiliary first driving gear 401, a power generating coupling gear 402, a fifth synchronizer 403, an auxiliary first driven gear 404, an auxiliary second driving gear 405, an auxiliary second driven gear 406, and a sixth synchronizer 407.
The auxiliary first driving gear 401 and the fifth synchronizer 403 are fixedly connected to the motor output shaft to receive output power from the motor 400, the electricity generation combining gear 402 is fixedly connected to the first shaft 104, and the fifth synchronizer 403 is spaced apart from an end of the first shaft 104 to be selectively connected to the electricity generation combining gear 402, thereby selectively connecting the first shaft 104 and the motor output shaft together.
An auxiliary first driven gear 404 and an auxiliary second driving gear 405 are fixedly disposed on the fourth shaft and are in meshing engagement with the auxiliary first driving gear 401 and the auxiliary second driven gear 406, respectively, and the auxiliary second driven gear 406 is rotatably supported on the second axle shaft and is selectively connected to the second axle shaft by a sixth synchronizer 407 fixedly disposed on the second axle shaft.
The first transmission part B may further include a differential 300, a driving and driven gear 301, a first side gear 302, and a second side gear 305. A main reduction driven gear 301 is fixedly coupled to the housing of the differential 300 and is in meshing engagement with the main reduction drive gear 207, a first side gear 302 is fixedly coupled to a first side and is drivingly coupled to the first wheel 51, a second side gear 305 is fixedly coupled to a second side and is drivingly coupled to the second wheel 52.
The differential 300 may include a planet shaft 303, a first planet gear 304, and a second planet gear 306, the first planet gear 304 and the second planet gear 306 being coaxially disposed on the planet shaft 303.
The gears and/or functions that can be achieved by the hybrid drive system according to the present application will be described in detail below with reference to table 1. For convenience of explanation, the first clutch and the second clutch will be respectively denoted by C1 and C2, and the first synchronizer to the sixth synchronizer will be respectively denoted by K1 to K6.
TABLE 1
Figure BDA0003195003300000071
By way of example, when the first clutch C1 is engaged and the first synchronizer K1 is engaged to the first drive gear 112, a first gear transmission may be achieved where the first shaft 104 may receive power from the engine and be transmitted through the first drive gear 112 and the first driven gear 206 to the third shaft 200 and through the third shaft 200 and the differential 300 to the first wheel 51 and the second wheel 52.
As another example, when the first clutch C1 is engaged and the first synchronizer K1 is engaged to the third drive gear 114, a third gear transmission may be achieved where the first shaft 104 may receive power from the engine and transmit it through the third drive gear 114 and the third driven gear 208 to the third shaft 200 and through the third shaft 200 and the differential 300 to the first wheel 51 and the second wheel 52.
As another example, when the first clutch C1 and the fifth synchronizer K5 are engaged, the motor 400 may function as a generator, and the engine 100 may drive the motor 400 as a power source to charge a battery.

Claims (6)

1. A hybrid propulsion system, comprising: an engine (100) for outputting power through an engine output shaft (101) and a motor (400), a first transmission part, a second transmission part and a third transmission part for outputting power through a motor output shaft, respectively, the first transmission part, the second transmission part and the third transmission part being for receiving power from the engine (100) and/or the motor (400),
the first transmission part comprises a first clutch (102), a first shaft (104), a first driving gear (112), a first synchronizer (113), a third driving gear (114), a fifth driving gear (115), a seventh driving gear (116), a first driven gear (206), a main reduction driving gear (207), a third driven gear (208), a fifth driven gear (209), a third synchronizer (210) and a seventh driven gear (211),
wherein the first clutch (102) selectively couples the engine output shaft (101) to the first shaft (104) to transmit the output power of the engine to the first shaft (104), the first synchronizer (113), the fifth driving gear (115), and the seventh driving gear (116) are fixedly connected to the first shaft (104) to rotate in synchronization with the first shaft (104), the first driving gear (112) and the third driving gear (114) are disposed on both sides of the first synchronizer (113) and rotatably supported on the first shaft (104),
wherein the first driven gear (206), the main reduction driving gear (207), the third driven gear (208) and the third synchronizer (210) are all fixedly arranged on the third shaft (200), the fifth driven gear (209) and the seventh driven gear (211) are both rotatably supported on the third shaft (200), and the first driven gear (206) is in meshed connection with the first driving gear (112), the third driven gear (208) is meshed with the third driving gear (114), the main reduction drive gear (207) is disposed between the first driven gear (206) and the third driven gear (208), the fifth driven gear (209) and the seventh driven gear (211) are disposed on both sides of the third synchronizer (210) and are respectively in meshed connection with the fifth driving gear (115) and the seventh driving gear (116).
2. Hybrid drive system according to claim 1, characterized in that the second transmission part comprises a second clutch (103), a second shaft (105), a reverse input sprocket (106), a reverse chain (107), a fourth synchronizer (108), a sixth driving gear (109), a fourth driving gear (110), a second driving gear (111), a reverse driven sprocket (201), a sixth driven gear (202), a fourth driven gear (203), a second synchronizer (204) and a second driven gear (205),
wherein the second clutch (103) selectively couples the engine output shaft (101) to the second shaft (105) to transmit the output power of the engine to the second shaft (105), the fourth synchronizer (108), the fourth driving gear (110), and the second driving gear (111) are fixedly connected to the second shaft (105) to rotate in synchronization with the second shaft (105), the reverse input sprocket (106) and the sixth driving gear (109) are disposed on both sides of the fourth synchronizer (108) and rotatably supported on the second shaft (105),
wherein a reverse driven sprocket (201), a sixth driven gear (202) and a second synchronizer (204) are all fixedly arranged on a third shaft (200), the fourth driven gear (203) and a second driven gear (205) are all rotatably supported on the third shaft (200), and the reverse driven sprocket (201) is in transmission connection with the reverse input sprocket (106) through the reverse chain (107), the third driven gear (208) is in meshing connection with the third driving gear (114), the main reduction driving gear (207) is arranged between the first driven gear (206) and the third driven gear (208), the sixth driven gear (202) is in meshing connection with the sixth driving gear (109), and the fourth driven gear (203) and the second driven gear (205) are arranged on both sides of the second synchronizer (204) and are respectively in meshing connection with the fourth driving gear (110) and the second driving gear (111) Connecting;
the third transmission part comprises an auxiliary first driving gear (401), a power generation combination gear (402), a fifth synchronizer (403), an auxiliary first driven gear (404), an auxiliary second driving gear (405), an auxiliary second driven gear (406) and a sixth synchronizer (407),
wherein the auxiliary first driving gear (401) and the fifth synchronizer (403) are fixedly connected to the motor output shaft to receive output power from a motor (400), the power generation combining gear (402) is fixedly connected to the first shaft (104), and the fifth synchronizer (403) is spaced apart from an end of the first shaft (104) to be selectively connected to the power generation combining gear (402) to selectively connect the first shaft (104) and the motor output shaft together,
wherein the auxiliary first driven gear (404) and the auxiliary second driving gear (405) are fixedly disposed on a fourth shaft and are in meshing connection with the auxiliary first driving gear (401) and the auxiliary second driven gear (406), respectively, the auxiliary second driven gear (406) being rotatably supported on a second half shaft and being selectively connected to the second half shaft by a sixth synchronizer (407) fixedly disposed on the second half shaft.
3. A hybrid drive system according to claim 2, wherein the first transmission part further comprises a differential (300), a main reduction driven gear (301), a first side gear (302) and a second side gear (305),
wherein a main reduction driven gear (301) is fixedly connected to the housing of the differential (300) and is in meshing connection with the main reduction driving gear (207), the first axle gear (302) is fixedly connected to a first axle and the first axle is drivingly connected to a first wheel (51), the second axle gear (305) is fixedly connected to the second axle and the second axle is drivingly connected to a second wheel (52).
4. A hybrid drive system according to claim 3, wherein said differential (300) comprises a planetary shaft (303), a first planetary gear (304) and a second planetary gear (306), said first planetary gear (304) and said second planetary gear (306) being coaxially arranged on said planetary shaft (303).
5. Hybrid propulsion system according to claims 4 and 5, characterized in that said first shaft (104) is housed inside the aforementioned second shaft (105) and in that said first shaft (104) and said third shaft (200) are selectively coupled together by means of said fifth synchronizer (403).
6. The hybrid propulsion system of claim 2, wherein the electric machine (400) functions as a generator when the first clutch (102) and the fifth synchronizer (403) are engaged.
CN202110888278.7A 2021-08-03 2021-08-03 Hybrid drive system Pending CN113479057A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201777113U (en) * 2010-05-31 2011-03-30 比亚迪股份有限公司 Hybrid power driving system and automobile with same
CN209159399U (en) * 2018-10-31 2019-07-26 比亚迪股份有限公司 Hybrid electric drive system and vehicle
CN112744067A (en) * 2019-10-30 2021-05-04 比亚迪股份有限公司 Hybrid power system and vehicle with same
CN112937284A (en) * 2021-03-24 2021-06-11 何亚芳 Hybrid power transmission device
CN113147349A (en) * 2021-04-08 2021-07-23 蔺壮壮 Hybrid drive for a hybrid vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201777113U (en) * 2010-05-31 2011-03-30 比亚迪股份有限公司 Hybrid power driving system and automobile with same
CN209159399U (en) * 2018-10-31 2019-07-26 比亚迪股份有限公司 Hybrid electric drive system and vehicle
CN112744067A (en) * 2019-10-30 2021-05-04 比亚迪股份有限公司 Hybrid power system and vehicle with same
CN112937284A (en) * 2021-03-24 2021-06-11 何亚芳 Hybrid power transmission device
CN113147349A (en) * 2021-04-08 2021-07-23 蔺壮壮 Hybrid drive for a hybrid vehicle

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