WO2020211519A1 - 双电机混合发动机行星排动力总成 - Google Patents

双电机混合发动机行星排动力总成 Download PDF

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Publication number
WO2020211519A1
WO2020211519A1 PCT/CN2020/075728 CN2020075728W WO2020211519A1 WO 2020211519 A1 WO2020211519 A1 WO 2020211519A1 CN 2020075728 W CN2020075728 W CN 2020075728W WO 2020211519 A1 WO2020211519 A1 WO 2020211519A1
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WIPO (PCT)
Prior art keywords
gear
motor
planetary
power
drives
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PCT/CN2020/075728
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English (en)
French (fr)
Inventor
段福海
王豫
陈军
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广州市新域动力技术有限公司
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Publication of WO2020211519A1 publication Critical patent/WO2020211519A1/zh

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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
    • B60K6/26—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
    • B60K6/36—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
    • B60K6/365—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 with the gears having orbital motion
    • 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
    • B60K6/445—Differential gearing distribution type
    • 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

Definitions

  • the invention belongs to a vehicle drive system, and in particular relates to a planetary row type hybrid power system.
  • the technical problem to be solved by the present invention is to provide a dual-motor hybrid engine planetary row power assembly with rich driving modes, strong electric endurance, low braking torque, low vibration and noise, and large speed ratio.
  • the technical solution adopted by the present invention is: a dual-motor hybrid engine planetary row power assembly, including at least three driving engines, which individually or jointly drive at least two rows of planetary rows.
  • the planetary row outputs power at variable speeds.
  • the first driving machine drives a first ring gear with an inner ring gear to rotate, the first ring gear meshes and drives the first planet gear, and the first planet gear meshes and drives the first sun gear;
  • the second The driving machine drives a second ring gear with an inner ring gear.
  • the second ring gear meshes and drives the second planetary gear, and the second planet gear meshes and drives the second sun gear; the first sun gear and the second sun gear are coaxial Ground installation;
  • the third driving machine drives one of the planet gears; the other planet gear outputs power.
  • the third driving machine drives the first planetary gear; the second planetary gear outputs power.
  • first driving machine and the second driving machine are both electric motors
  • the third driving machine is an engine
  • the second planetary gear drives the differential gear
  • the differential gear drives the differential assembly
  • the differential assembly outputs power through the left half shaft and the right half shaft.
  • the first driving machine drives a first ring gear with an inner ring gear to rotate, the first ring gear meshes and drives the first planet gear, and the first planet gear meshes and drives the first sun gear;
  • the second The driving machine drives a second ring gear with an inner ring gear.
  • the second ring gear internally engages and drives the second planet gear, and the second planet gear engages and drives the second sun gear;
  • the first sun gear drives the second planet through the rotating arm Wheel;
  • the third driving machine drives one of the planet wheels; the second sun gear outputs power.
  • the use of the double planetary central axis structure when When braking the central shaft, it achieves a small torque braking force, a large speed ratio, and a high-efficiency range extender drive mode; the powertrain has a compact structure, a full brake structure, strong fuel-saving performance, long life, small moment of inertia, and power Strong, low vibration and noise, high reliability and low cost, etc., suitable for hybrid vehicles.
  • Figure 1 is a schematic diagram of the structure of a dual-motor hybrid engine planetary platoon power assembly.
  • the planetary row power assembly of a dual-motor hybrid engine mainly includes an engine 1, an engine gear pair, a first motor 27, a second motor 30, a common sun gear double planetary row, a first motor gear pair, and a second motor gear pair. Motor gear pair, differential assembly gear pair and three sets of brakes.
  • the engine 1, the first electric machine 27, the second electric machine 30, the common sun-wheel type double planetary row and the differential assembly 24 are arranged in parallel with each other.
  • the engine 1 is connected to the engine shaft 3 through the elastic shock absorber 2, and the one-way bearing 4 is installed on the engine shaft 3.
  • the one-way bearing controls the engine shaft to rotate in one direction and lock in the other direction.
  • the engine shaft 3 is fixedly connected with the engine gear 5.
  • the first planetary row is composed of a first sun gear 11, a first planetary gear 12, a first rotating arm 10 and a first ring gear 13.
  • the engine gear 5 is externally meshed with the first rotating arm gear 8.
  • the engine gear 5 and the first rotating arm gear 8 constitute an engine gear pair.
  • the first rotating arm gear 8 is fixedly installed or directly processed on the first rotating arm 10.
  • the first sun gear 11 meshes externally with the first planetary gear 12, the first planetary gear 12 meshes with the inner ring gear of the first ring gear 13, and the first planet gear 12 is mounted on the first rotating arm 10, and the first ring gear
  • the outer ring is also machined on the outer circumference.
  • the second planetary row is composed of a second sun gear 19, a second planetary gear 20, a second rotating arm 18 and a second ring gear 16.
  • the inner and outer circumferences of the second ring gear 16 are simultaneously machined with an inner ring gear and an outer ring gear.
  • the second sun gear 19 is externally meshed with the second planetary gear 20, and the second planetary gear 20 and the second ring gear 16 are in the inner ring gear.
  • Engaged, the second planetary gear 20 is installed on the second rotating arm 18, and the second rotating arm gear 17 is fixedly installed or directly machined on the second rotating arm 18.
  • the first motor gear 14 is fixedly connected to the first motor shaft 15, the first brake disc 28 is fixedly installed on the other end of the first motor shaft 15, and the first brake disc 28 is installed on the left and right sides of the first brake 29 with a certain gap. Between the blocks, the first brake 29 is mounted on the end cover of the first motor 27.
  • the first motor gear 14 and the outer ring gear of the first ring gear 13 form a first motor gear pair, and the first motor gear 14 engages with the outer ring gear of the first ring gear 13.
  • the second motor gear 23 is fixedly connected to the second motor shaft 22, the second brake disc 32 is fixedly installed on the other end of the second motor shaft 22, and the second brake disc 32 is installed on the left and right sides of the second brake 32 with a certain gap. Between the blocks, the second brake 32 is installed on the end cover of the second motor 30.
  • the second motor gear 23 and the outer ring gear of the second ring gear 16 form a second motor gear pair, and the second motor gear 23 engages with the outer ring gear of the second ring gear 16.
  • the central shaft brake disc 6, the first sun gear 11 and the second sun gear 19 are fixedly installed on the central shaft 9 in turn, and the central shaft brake disc 6 is installed between the left and right friction blocks of the central shaft brake 7 with a certain gap.
  • the second arm gear 17 and the differential gear 21 form a differential gear pair, the second arm gear 17 is externally meshed with the differential gear 21, and the differential gear 21 is fixedly installed in the housing of the differential assembly 24 Physically, the differential assembly 24 outputs power through the left half shaft 25 and the right half shaft 26.
  • the engine transmits power to the engine gear through the engine shaft through the elastic shock absorber, and the engine gear transmits the power to the first rotating arm.
  • the rotating arm transmits the power to the second rotating arm through the first planetary gear, the first sun gear, the second sun gear and the second planetary gear.
  • the second rotating arm transmits the power to the second rotating arm gear and the differential gear Differential assembly.
  • the differential assembly outputs power through the left and right half shafts, thereby realizing the independent engine driving mode.
  • the engine can simultaneously drive the first motor to generate electricity and the second motor to drive separately; when the first brake, second brake, When the central shaft brakes are all released, that is, the first brake disc, the second brake disc, and the central shaft brake disc are all in a freely rotating state.
  • the first ring gear, the second ring gear, the first sun gear and the second The sun gear is in a state of free rotation, and further, the joint driving mode of the first motor and the second motor is realized; when the first brake and the central shaft brake are released and the second brake is closed, the first brake disc and the central shaft brake disc In a freely rotating state, the second brake disc is in a locked state, and then the first ring gear, the first sun gear and the second sun gear are in a freely rotating state, and the second ring gear is locked, thereby realizing the first motor Individual drive mode.
  • the dual-motor hybrid engine planetary powertrain has multiple drive modes.
  • the engine is driven separately.
  • the first brake 29 and the second brake 31 are closed and the central shaft brake 7 is released, that is, the first brake disc 28 and the second brake disc 32 are locked and the central shaft brake disc 6 is in a freely rotating state
  • the first ring gear 13 and the second ring gear 16 are locked, the first sun gear 11 and the second sun gear 19 are in a freely rotating state
  • the engine 1 transmits power to the engine gear 5 through the elastic shock absorber 2 via the engine shaft 3
  • the engine gear 5 transmits the power to the first rotating arm 10 via the first rotating arm gear 8
  • the first rotating arm 10 transmits the power via the first planetary gear 12, the first sun gear 11, the second sun gear 19 and the second planetary gear.
  • the wheel 20 is transmitted to the second rotating arm 18, and the second rotating arm 18 transmits the power to the differential assembly 24 through the second rotating arm gear 17 and the differential gear 21, and the differential assembly 24 transmits the power through the left half The shaft 25 and the right half shaft 26 output, and further, realize the engine 1 single drive mode.
  • the first motor is driven separately.
  • the first brake 29 and the central shaft brake 7 are released and the second brake 31 is closed, that is, the first brake disc 28 and the central shaft brake disc 6 are in a freely rotating state, and the second brake disc 32 is locked, and further, The first ring gear 13 and the first sun gear 11 and the second sun gear 19 are in a freely rotating state, the second ring gear 16 is in a locked state, and the engine 1 and the second motor 30 are in a closed state; the first motor 27 is removed from the vehicle After the electric energy is obtained from the power source and converted into power, the first motor shaft 15 transmits the power to the first motor gear 14.
  • the first motor gear 14 transmits the power to the first planetary gear 12 through the first ring gear 13, and the first planetary gear 12 transmits the power Is transmitted to the first sun gear 11.
  • the one-way bearing 4 locks the engine shaft 3
  • the one-way bearing 4 locks the engine gear 5
  • the first rotation arm gear 8 locks the first rotation ⁇ 10 ⁇ Arm 10.
  • the power from the first motor 27 is transmitted from the first sun gear 11 to the second sun gear 19 via the central shaft 9.
  • the second sun gear 19 transmits the power via the second planetary gear 20
  • the second rotating arm 18 transfers power to the differential gear 21 via the second rotating arm gear 17, and the differential gear 21 transfers the power to the left half shaft 25 and the left half shaft via the differential assembly 24.
  • the right half shaft 26 realizes the independent driving mode of the first motor 27.
  • the second motor is driven separately.
  • the first brake 29 and the second brake 31 are released and the central shaft brake 7 is closed, that is, the first brake disc 28 and the second brake disc 32 are in a freely rotating state, and the central shaft brake disc 6 is locked, and further, The first ring gear 13 and the second ring gear 16 are in a freely rotating state, the first sun gear 11 and the second sun gear 19 are in a locked state, and the engine 1 and the first motor 27 are in a closed state; the second motor 30 is installed from the vehicle Electric energy is obtained from the power source and converted into power.
  • the second motor shaft 22 transmits the power to the second motor gear 23.
  • the second motor gear 23 transmits the power to the second ring gear 16, and the second ring gear 16 transmits the power through the second planetary gear 20.
  • the second rotating arm 18 transfers the power to the differential gear 21 via the second rotating arm gear 17, and the differential gear 21 transfers the power to the left axle 25 via the differential assembly 24 And the right half shaft 26 to realize the independent driving mode of the second motor 30.
  • the second motor 30 obtains electrical energy from the on-board power supply and converts it into power.
  • the second motor shaft 22 transmits the power to the second motor gear 23.
  • the second motor gear 23 transmits the power to the second ring gear 16, and the second ring gear 16 transfers the power.
  • the second planetary gear 20 is transmitted to the second rotating arm 18, the second rotating arm 18 transmits the power to the differential gear 21 through the second rotating arm gear 17, and the differential gear 21 transmits the power to the differential assembly 24 It is transmitted to the left half shaft 25 and the right half shaft 26 to realize an efficient extended range drive mode.
  • the one-way bearing 4 locks the engine shaft 3, and further, the one-way bearing 4 locks the engine gear 5, and further, the first rotating arm 10 is locked by the first rotating arm gear 8.
  • the power from the first motor 27 is transmitted from the first sun gear 11 to the second sun gear 19 via the central shaft 9, and the second sun gear 19 transmits the power to the second rotating arm 18 via the second planetary gear 20; the second motor 30 Electric energy is obtained from the vehicle power supply and converted into power.
  • the second motor shaft 22 transmits the power to the second motor gear 23.
  • the second motor gear 23 transmits the power to the second ring gear 16, and the second ring gear 16 transmits the power through the second planet.
  • the wheel 20 is transmitted to the second rotating arm 18; the second rotating arm 18 superimposes the power from the first motor 27 and the second motor 30 and then is transmitted from the second rotating arm gear 17 to the differential gear 21, the differential gear 21
  • the power is transmitted to the differential assembly 24, and the differential assembly 24 outputs the power through the left half shaft 25 and the right half shaft 26, thereby realizing the joint driving mode of the first motor 27 and the second motor 30.
  • the first sun gear 11 transmits the power from the central shaft 9 to the second sun gear 19, and the second sun gear 19 transmits the power through the second planetary gear.
  • 20 is transmitted to the second rotating arm 18, the second rotating arm 18 transmits the power to the differential gear 21 via the second rotating arm gear 17, and the differential gear 21 transmits the power to the left half shaft via the differential assembly 24 25 and the right half shaft 26 realize the joint driving mode of the engine 1 and the first electric motor 27.
  • the engine gear 5 transmits the power to the first rotating arm 10 via the first rotating arm gear 8, and the first rotating arm 10 transfers the power via the first planetary gear 12, the first sun gear 11,
  • the second sun gear 19 and the second planetary gear 20 are transmitted to the second rotating arm 18;
  • the second motor 30 obtains electric energy from the on-board power supply and converts it into power, which is transmitted to the second motor gear 23 by the second motor shaft 22, the second motor
  • the gear 23 transmits power to the second ring gear 16, and the second ring gear 16 transmits the power to the second rotating arm 18 via the second planetary gear 20;
  • the second rotating arm 18 superimposes the power from the engine 1 and the second motor 30
  • it is transmitted to the differential gear 21 through the second arm gear 17, and the differential gear 21 transmits the power to the left half shaft 25 and the right half shaft 26 through the differential assembly 24 to realize the engine 1 and the second motor 30 Joint drive mode.
  • the first motor gear 14 transmits the power to the first planetary gear 12 via the first ring gear 13; the first planetary gear 12 superimposes the power from the engine 1 and the first motor 27 and then transmits it to The first sun gear 11, the first sun gear 11 transmits the power from the central shaft 9 to the second sun gear 19, and the second sun gear 19 transmits the power to the second rotating arm 18 via the second planetary gear 20; the second motor 30 Electric energy is obtained from the vehicle power supply and converted into power.
  • the second motor shaft 22 transmits the power to the second motor gear 23.
  • the second motor gear 23 transmits the power to the second ring gear 16, and the second ring gear 16 transmits the power through the second planet.
  • the wheel 20 is transmitted to the second rotating arm 18; the second rotating arm 18 superimposes the power from the engine 1, the first motor 27 and the second motor 30 and then transmits it to the differential gear 21 via the second rotating arm gear 17.
  • the gear 21 transmits the power to the left half shaft 25 and the right half shaft 26 through the differential assembly 24 to realize the joint driving mode of the engine 1, the first motor 27 and the second motor 30.

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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

一种双电机混合发动机行星排动力总成，至少三部驱动机单独或联合地驱动至少两排行星排，经末级行星排变速地输出动力，当针对驱动机和/或行星排选择闭合(制动)和/或释放时，实现了单独驱动和联合(混合)驱动等模式，且若驱动机采用发动机混合电机还能够实现边驱动边储电模式，甚至还实现了发动机单独驱动前提下的电机转子制动模式，该动力总成具有结构紧凑、全制动器结构、节油节电性能强、寿命长、转动惯量小、动力强劲、振动噪音小、可靠性高和成本低等优势，适用于混合动力车辆。

Description

双电机混合发动机行星排动力总成 技术领域
本发明属于车辆驱动***，具体是涉及一种行星排式的混合动力***。
背景技术
汽车排放和能源消耗已经成为了世界性问题，因此，低排放和低能源消耗的混合动力汽车成为当前汽车产业发展的主流之一，尤其是随着插电式混合动力汽车产业的不断发展，更高的节油率、节电率、更高的可靠性和更低的成本成为制约该类汽车产业的核心，因而，更简洁的动力***设计、更丰富的驱动模式、更可靠的模式切换方式和更高速轻量化电机的使用，成为解决插电式混合动力汽车用动力***的最佳方案。
轻量化、高性能化、智能化、高节能化以及低成本已经成为当下车辆发展的核心内容，如何减小混合动力总成的体积重量、成本和简化控制难度是上述内容的核心之一。同时，如何在混合动力总成里面实现高效增程器结构、提高传动***效率和降低***成本也是研究的主要热点，尤其是如何实现发动机单独驱动时可以将双电机转子制动，以此来降低发动机高速驱动车辆时引起的双电机转子跟随转动而引起的电机转子轴承寿命急剧下降、制动产热高、噪音振动以及损耗等问题。
发明内容
本发明所要解决的技术问题是提供一种驱动模式丰富、电动续航能力强、制动力扭矩小且振动噪音小、大速比的双电机混合发动机行星排动力总成。
为了解决上述技术问题，本发明采用的技术方案为：一种双电机混合发动机行星排动力总成，包括至少三部驱动机，所述驱动机单独或联合地驱动至少两排行星排，经末级行星排变速地输出动力。
进一步地，所述第一驱动机驱动着具有内齿圈的第一齿圈产生转动，第一齿圈内啮合传动第一行星轮，第一行星轮啮合传动第一太阳轮；所述第二驱动机驱动着具有内齿圈的第二齿圈，第二齿圈内啮合传动第二行星轮，第二行星轮啮合传动第二太阳轮；所述第一太阳轮与第二太阳轮同轴地安装；所述第三驱动机驱动着其中一行星轮；所述其中另一行星轮输出动力。
进一步地，所述第三驱动机驱动着第一行星轮；所述第二行星轮输出动力。
进一步地，所述第一驱动机和第二驱动机均为电机，且第三驱动机为发动机。
进一步地，所述第二行星轮传动差速器齿轮，差速器齿轮传动差速器总成，差速器总成通过左半轴和右半轴输出动力。
进一步地，所述第一驱动机驱动着具有内齿圈的第一齿圈产生转动，第一齿圈内啮合传动第一行星轮，第一行星轮啮合传动第一太阳轮；所述第二驱动机驱动着具有内齿圈的第二齿圈，第二齿圈内啮合传动第二行星轮，第二行星轮啮合传动第二太阳轮；所述第一太阳轮通过转臂传动第二行星轮；所述第三驱动机驱动着其中一行星轮；所述第二太阳轮输出动力。
实施上述技术方案，由于设计多部驱动机单独或联合驱动多级行星排，当针对驱动机和/或行星排选择闭合(制动)和/或释放时，实现了单独驱动和联合(混合)驱动等模式，且若驱动机采用发动机混合电机还能够实现边驱动边储电模式，甚至还实现了发动机单独驱动前提下的电机转子制动模式，另外，利用双行星排的中心轴结构，当制动中心轴时实现了小扭矩制动力、大速比以及高效增程器驱动模式；该动力总成具有结构紧凑、全制动器结构、节油节电性能强、寿命长、转动惯量小、动力强劲、振动噪音小、可靠性高和成本低等优势，适用于混合动力车辆。
附图说明
图1为双电机混合发动机行星排动力总成的结构示意图。
图中：1-发动机，2-弹性减震器，3-发动机轴，4-单向轴承，5-发动机齿轮，6-中心轴制动盘，7-中心轴制动器，8-第一转臂齿轮，9-中心轴，10-第一转臂，11-第一太阳轮，12-第一行星轮，13-第一齿圈，14-第一电机齿轮，15-第一电机轴，16-第二齿圈，17-第二转臂齿轮，18-第二转臂，19-第二太阳轮，20-第二行星轮，21-差速器齿轮，22-第二电机轴，23-第二电机齿轮，24-差速器总成，25-左半轴，26-右半轴，27-第一电机，28-第一制动盘，29-第一制动器，30-第二电机，31-第二制动器，32-第二制动盘。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。在此需要说明的是，对于这些实施方式的说明用于帮助理解本发明，但并不构成对本发明的限定。此外，下面所描述的本发明各个实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互组合。
如图1所示，双电机混合发动机行星排动力总成主要包括发动机1、发动机齿轮副、第一电机27、第二电机30、共太阳轮式双行星排、第一电机齿轮副、第二电机齿轮副、差速器总成齿轮副以及三组制动器组成。发动机1、第一电机27、第二电机30、共太阳轮式双行星排以及差速器总成24相互间平行轴布局。
发动机1通过弹性减震器2与发动机轴3连接，单向轴承4安装在发动机轴3上，单向轴承控制发动机轴只能按一个方向旋转，另外一个方向锁止。发动机轴3与发动机齿轮5固定连接。
第一行星排由第一太阳轮11、第一行星轮12、第一转臂10和第一齿圈13组成。发动机齿轮5与第一转臂齿轮8外啮合，发动机齿轮5与第一转臂齿轮8组成发动机齿轮副，第一转臂齿轮8固定安装或直接加工在第一转臂10上。第一太阳轮11与第一行星轮12外啮合，第一行星轮12与第一齿圈13的内齿圈内啮合，第一行星轮12安装在第一转臂10上，第一齿圈的外圆周上同时加工有外齿圈。
第二行星排由第二太阳轮19、第二行星轮20、第二转臂18和第二齿圈16组成。第二齿圈16的内外圆周上同时加工有内齿圈和外齿圈，第二太阳轮19与第二行星轮20外啮合，第二行星轮20与第二齿圈16的内齿圈内啮合，第二行星轮20安装在第二转臂18上，第二转臂齿轮17固定安装或直接加工在第二转臂18上。
第一电机齿轮14与第一电机轴15固定连接，第一制动盘28固定安装在第一电机轴15的另外一端，第一制动盘28按一定间隙安装在第一制动器29的左右摩擦块之间，第一制动器29安装在第一电机27的端盖上。第一电机齿轮14与第一齿圈13的外齿圈组成第一电机齿轮副，第一电机齿轮14与第一齿圈13的外齿圈外啮合。
第二电机齿轮23与第二电机轴22固定连接，第二制动盘32固定安装在第二电机轴22的另外一端，第二制动盘32按一定间隙安装在第二制动器32的左右摩擦块之间，第二制动器32安装在第二电机30的端盖上。第二电机齿轮23与第二齿圈16的外齿圈组成第二电机齿轮副，第二电机齿轮23与第二齿圈16的外齿圈外啮合。
中心轴制动盘6、第一太阳轮11和第二太阳轮19依次固定安装在中心轴9上，中心轴制动盘6按一定间隙安装在中心轴制动器7的左右摩擦块之间。
第二转臂齿轮17与差速器齿轮21组成差速器齿轮副，第二转臂齿轮17与差速器齿轮21外啮合，差速器齿轮21固定安装在差速器总成24的壳体上，差速器总成24通过左半轴25和右半轴26输出动力。
当第一制动器和第二制动器闭合、中心轴制动器释放时，即第一制动盘和第二制动盘被锁止、中心轴制动盘处于自由转动状态，进而，第一齿圈和第二齿圈被锁止、第一太阳轮和第二太阳轮处于自由转动状态，发动机将动力通过弹性减震器经发动机轴传递给发动机齿轮，发动机齿轮将动力传递给第一转臂，第一转臂将动力经第一行星轮、第一太阳轮、第二太阳轮和第二行星轮传递给第二转臂，第二转臂将动力经第二转臂齿轮和差速器齿轮传递给差速器总成，差速器总成将动力经左半轴和右半轴输出，进而，实现发动机单独驱动模式。
当第一制动器和第二制动器释放、中心轴制动器闭合时，即第一制动盘和第二制动盘处于自由转动状态、中心轴制动盘处于锁止状态，进而，第一齿圈和第二齿圈处于自由转动状态、第一太阳轮和第二太阳轮被锁止，进而，可同时实现发动机驱动第一电机发电以及第二电机单独驱动模式；当第一制动器、第二制动器、中心轴制动器全部释放时，即第一制动盘、第二制动盘和中心轴制动盘均处于自由转动状态，进而，第一齿圈、第二齿圈、第一太阳轮和第二太阳轮均处于自由转动状态，进而，实现第一电机与第二电机联合驱动模式；当第一制动器和中心轴制动器释放、第二制动器闭合时，即第一制动盘和中心轴制动盘处于自由转动状态、第二制动盘处于锁止状态，进而，第一齿圈、第一太阳轮和第二太阳轮处于自由转动状态、第二齿圈被锁止，进而，实现第一电机单独驱动模式。
当第一制动器闭合、第二制动器和中心轴制动器释放时，即第一制动盘被锁止、第二制动盘和中心轴制动盘处于自由转动状态，进而，第一齿圈被锁止，第二齿圈、第一太阳轮和第二太阳轮处于自由转动状态，实现发动机与第二电机联合驱动模式；当第二制动器闭合、第一制动器和中心轴制动器释放时，即第二制动盘被锁止、第一制动盘和中心轴制动盘处于自由转动状态，进而，第二齿圈被锁止，第一齿圈、第一太阳轮和第二太阳轮处于自由转动状态，实现发动机与第一电机联合驱动模式；当第一制动器、第二制动器和中心轴制动器都释放时，即第一齿圈、第二齿圈、第一太阳轮和第二太阳轮都处于自由转动状态，实现发动机、第一电机、第二电机联合驱动模式。
双电机混合发动机行星排动力总成具有多种驱动模式。
1、发动机单独驱动模式。当第一制动器29和第二制动器31闭合、中心轴制动器7释放时，即第一制动盘28和第二制动盘32被锁止、中心轴制动盘6处于自由转动状态，进而，第一齿圈13和第二齿圈16被锁止、第一太阳轮11和第二太阳轮19处于自由转动状态，发动机1将动力通过弹性减震器2经发动机轴3传递给发动机齿轮5，发动机齿轮5将动力经第一转臂齿轮8传递给第一转臂10，第一转臂10将动力经第一行星轮12、第一太阳轮11、第二太阳轮19和第二行星轮20传递给第二转臂18，第二转臂18将动力经第二转臂齿轮17和差速器齿轮21传递给差速器总成24，差速器总成24将动力经左半轴25和右半轴26输出，进而，实现发动机1单独驱动模式。
2、第一电机单独驱动模式。当第一制动器29和中心轴制动器7释放、第二制动器31闭合时，即第一制动盘28和中心轴制动盘6处于自由转动状态、第二制动盘32被锁止，进而，第一齿圈13和第一太阳轮11、第二太阳轮19处于自由转动状态，第二齿圈16处于锁止状态，且发动机1和第二电机30处于关闭状态；第一电机27从车载电源处获得电能并转换成动力后第一电机轴15传递给第一电机齿轮14，第一电机齿轮14将动力经第一齿圈13传递 给第一行星轮12，第一行星轮12将动力传递给第一太阳轮11，此时，由于单向轴承4锁止发动机轴3，进而，单向轴承4锁止了发动机齿轮5，进而，通过第一转臂齿轮8锁止了第一转臂10。来自第一电机27的动力由第一太阳轮11经中心轴9传递给第二太阳轮19，由于第二齿圈16处于锁止状态，第二太阳轮19将动力经第二行星轮20传递给第二转臂18，第二转臂18将动力经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现第一电机27单独驱动模式。
3、第二电机单独驱动模式。当第一制动器29和第二制动器31释放、中心轴制动器7闭合时，即第一制动盘28和第二制动盘32处于自由转动状态、中心轴制动盘6被锁止，进而，第一齿圈13和第二齿圈16处于自由转动状态，第一太阳轮11和第二太阳轮19处于锁止状态，且发动机1和第一电机27处于关闭状态；第二电机30从车载电源处获得电能并转换成动力由第二电机轴22传递给第二电机齿轮23，第二电机齿轮23将动力传递给第二齿圈16，第二齿圈16将动力经第二行星轮20传递给第二转臂18，第二转臂18将动力经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现第二电机30单独驱动模式。
4、高效增程驱动模式。当中心轴制动器7闭合、第一制动器29和第二制动器32释放时，即中心轴制动盘6被锁止，第一制动盘28和第二制动盘32处于自由转动状态，进而，第一太阳轮11和第二太阳轮19处于锁止状态，第一齿圈13和第二齿圈16处于自由转动状态；发动机1将动力经弹性减震器2传递给发动机轴3，发动机轴3将动力传递给发动机齿轮5，发动机齿轮5将动力传递给第一转臂齿轮8，第一转臂齿轮8将动力传递给第一转臂10，第一转臂10将动力经第一行星轮12传递给第一齿圈13，第一齿圈13将动力经第一电机齿轮14由第一电机轴15传递给第一电机27，第一电机27经动力转换成电能存储到车载电源中。第二电机30从车载电源处获得电能并转换成动力由第二电机轴22传递给第二电机齿轮23，第二电机齿轮23将动力传递给第二齿圈16，第二齿圈16将动力经第二行星轮20传递给第二转臂18，第二转臂18将动力经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现高效增程驱动模式。
5、第一电机与第二电机联合驱动模式。当第一制动器29、第二制动器31和中心轴制动器7全部释放时，即第一制动盘28、第二制动盘32和中心轴制动盘6都处于自由转动状态，进而，第一齿圈13、第二齿圈16、第一太阳轮11和第二太阳轮19处于自由转动状态，发动机1处于关闭状态；第一电机27从车载电源处获得电能并转换成动力后第一电机轴15传递给第一电机齿轮14，第一电机齿轮14将动力经第一齿圈13传递给第一行星轮12，第一行星轮12将动力传递给第一太阳轮11，此时，由于单向轴承4锁止发动机轴3，进而，单向轴承 4锁止了发动机齿轮5，进而，通过第一转臂齿轮8锁止了第一转臂10。来自第一电机27的动力由第一太阳轮11经中心轴9传递给第二太阳轮19，第二太阳轮19将动力经第二行星轮20传递给第二转臂18；第二电机30从车载电源处获得电能并转换成动力由第二电机轴22传递给第二电机齿轮23，第二电机齿轮23将动力传递给第二齿圈16，第二齿圈16将动力经第二行星轮20传递给第二转臂18；第二转臂18将来自第一电机27和第二电机30的动力叠加后由第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力传递给差速器总成24，差速器总成24将动力经左半轴25和右半轴26输出，进而，实现第一电机27和第二电机30联合驱动模式。
6、发动机与第一电机联合驱动模式。当中心轴制动器7和第一制动器29释放、第二制动器31闭合时，即中心轴制动盘6和第一制动盘28处于自由转动状态，第二制动盘32处于锁止状态，进而，第一齿圈13、第一太阳轮11和第二太阳轮19处于自由转动状态，第二齿圈16被锁止，第二电机30处于关闭状态；发动机1将动力通过弹性减震器2经发动机轴3传递给发动机齿轮5，发动机齿轮5将动力经第一转臂齿轮8传递给第一转臂10，第一转臂10将动力经第一行星轮12；第一电机27从车载电源处获得电能并转换成动力后第一电机轴15传递给第一电机齿轮14，第一电机齿轮14将动力经第一齿圈13传递给第一行星轮12；第一行星轮12将来自发动机1和第一电机27的动力叠加后传递给第一太阳轮11，第一太阳轮11将动力由中心轴9传递给第二太阳轮19，第二太阳轮19将动力经第二行星轮20传递给第二转臂18，第二转臂18将动力经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现发动机1与第一电机27联合驱动模式。
7、发动机与第二电机联合驱动模式。当中心轴制动器7和第二制动器31释放、第一制动器29闭合时，即中心轴制动盘6和第二制动盘32处于自由转动状态，第一制动盘28被锁止，进而，第一太阳轮11、第二太阳轮19和第二齿圈16处于自由转动状态，第一齿圈13处于锁止状态，第一电机27处于关闭状态；发动机1将动力通过弹性减震器2经发动机轴3传递给发动机齿轮5，发动机齿轮5将动力经第一转臂齿轮8传递给第一转臂10，第一转臂10将动力经第一行星轮12、第一太阳轮11、第二太阳轮19和第二行星轮20传递给第二转臂18；第二电机30从车载电源处获得电能并转换成动力由第二电机轴22传递给第二电机齿轮23，第二电机齿轮23将动力传递给第二齿圈16，第二齿圈16将动力经第二行星轮20传递给第二转臂18；第二转臂18将来自发动机1和第二电机30的动力叠加后经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现发动机1与第二电机30联合驱动模式。
8、发动机、第一电机和第二电机联合驱动模式。当中心轴制动器7、第一制动器29和第二制动器31全部释放时，即中心轴制动盘6、第一制动盘28和第二制动盘32都处于自由转动状态，进而，第一太阳轮11、第二太阳轮19、第一齿圈13和第二齿圈16都处于自由转动状态；发动机1将动力通过弹性减震器2经发动机轴3传递给发动机齿轮5，发动机齿轮5将动力经第一转臂齿轮8传递给第一转臂10，第一转臂10将动力经第一行星轮12；第一电机27从车载电源处获得电能并转换成动力后第一电机轴15传递给第一电机齿轮14，第一电机齿轮14将动力经第一齿圈13传递给第一行星轮12；第一行星轮12将来自发动机1和第一电机27的动力叠加后传递给第一太阳轮11，第一太阳轮11将动力由中心轴9传递给第二太阳轮19，第二太阳轮19将动力经第二行星轮20传递给第二转臂18；第二电机30从车载电源处获得电能并转换成动力由第二电机轴22传递给第二电机齿轮23，第二电机齿轮23将动力传递给第二齿圈16，第二齿圈16将动力经第二行星轮20传递给第二转臂18；第二转臂18将来自发动机1、第一电机27和第二电机30的动力叠加后经第二转臂齿轮17传递给差速器齿轮21，差速器齿轮21将动力经差速器总成24传递给左半轴25和右半轴26，实现发动机1、第一电机27与第二电机30联合驱动模式。
以上结合附图对本发明的实施方式作了详细说明，但本发明不限于所描述的实施方式。对于本领域的技术人员而言，在不脱离本发明原理和精神的情况下，对这些实施方式进行多种变化、修改、替换和变型，仍落入本发明的保护范围内。

Claims (6)

  1. 一种双电机混合发动机行星排动力总成，其特征在于：包括至少三部驱动机，所述驱动机单独或联合地驱动至少两排行星排，经末级行星排变速地输出动力。
  2. 根据权利要求1所述的双电机混合发动机行星排动力总成，其特征在于，所述第一驱动机驱动着具有内齿圈的第一齿圈产生转动，第一齿圈内啮合传动第一行星轮，第一行星轮啮合传动第一太阳轮；
    所述第二驱动机驱动着具有内齿圈的第二齿圈，第二齿圈内啮合传动第二行星轮，第二行星轮啮合传动第二太阳轮；
    所述第一太阳轮与第二太阳轮同轴地安装；
    所述第三驱动机驱动着其中一行星轮；
    所述其中另一行星轮输出动力。
  3. 根据权利要求2所述的双电机混合发动机行星排动力总成，其特征在于，所述第三驱动机驱动着第一行星轮；所述第二行星轮输出动力。
  4. 根据权利要求2所述的双电机混合发动机行星排动力总成，其特征在于，所述第一驱动机和第二驱动机均为电机，且第三驱动机为发动机。
  5. 根据权利要求2所述的双电机混合发动机行星排动力总成，其特征在于，所述第二行星轮传动差速器齿轮，差速器齿轮传动差速器总成，差速器总成通过左半轴和右半轴输出动力。
  6. 根据权利要求1所述的双电机混合发动机行星排动力总成，其特征在于，所述第一驱动机驱动着具有内齿圈的第一齿圈产生转动，第一齿圈内啮合传动第一行星轮，第一行星轮啮合传动第一太阳轮；
    所述第二驱动机驱动着具有内齿圈的第二齿圈，第二齿圈内啮合传动第二行星轮，第二行星轮啮合传动第二太阳轮；
    所述第一太阳轮通过转臂传动第二行星轮；
    所述第三驱动机驱动着其中一行星轮；
    所述第二太阳轮输出动力。
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