CN113263903A - Vehicle hybrid power assembly, control method and vehicle - Google Patents

Vehicle hybrid power assembly, control method and vehicle Download PDF

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Publication number
CN113263903A
CN113263903A CN202110726321.XA CN202110726321A CN113263903A CN 113263903 A CN113263903 A CN 113263903A CN 202110726321 A CN202110726321 A CN 202110726321A CN 113263903 A CN113263903 A CN 113263903A
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CN
China
Prior art keywords
clutch
vehicle
motor
engine
driven wheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110726321.XA
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Chinese (zh)
Inventor
陈希
周之光
孟凡磊
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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Publication date
Application filed by Chery Automobile Co Ltd filed Critical Chery Automobile Co Ltd
Priority to CN202110726321.XA priority Critical patent/CN113263903A/en
Publication of CN113263903A publication Critical patent/CN113263903A/en
Priority to PCT/CN2021/123093 priority patent/WO2023273007A1/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/36Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/24Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/26Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/28Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/36Arrangement 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
    • B60K6/365Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • B60K6/38Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

Abstract

The embodiment of the application provides a vehicle hybrid power assembly, which comprises a storage battery, an inverter, a first motor, an engine, a second motor and a gearbox. This application combines two motors and engine, need not to combine the motor in current engine transmission, simple structure, and transmission efficiency is high. And when the vehicle is driven at low speed, the engine can be used for driving the vehicle, so that larger torque is provided for the vehicle, and the motor is prevented from being overheated. When the vehicle runs at a high speed, the vehicle can be driven by the second motor, the two-gear set can meet different speed requirements of the vehicle, the engine can drive the first motor to generate electricity when the engine and the motor work simultaneously, and then the storage battery is charged in the running process of the vehicle, so that the cruising mileage of the vehicle is increased.

Description

Vehicle hybrid power assembly, control method and vehicle
Technical Field
The application relates to the technical field of vehicles, in particular to a vehicle hybrid power assembly, a control method and a vehicle.
Background
With the popularization of automobiles, the pollution problem caused by the automobiles is widely concerned by people. In order to reduce pollution caused by automobiles, new energy automobiles have been rapidly developed in recent years, wherein hybrid automobiles have gradually increased market share due to lower carbon emission and higher endurance mileage. The transmission system of the hybrid electric vehicle is different from the traditional fuel oil vehicle and the pure electric vehicle, and in the prior art, a motor is directly combined into a hydraulic Automatic Transmission (AT), a mechanical stepless automatic transmission (CVT) or an electric control mechanical automatic transmission (AMT).
In the course of implementing the present application, the inventors found that there are at least the following problems in the related art:
the hybrid power transmission system in the related art has a complex structure and low transmission efficiency, and when a vehicle runs at a low speed, cooling oil is difficult to meet the cooling requirement of a motor, the temperature of the motor is easily too high, and the performance of the vehicle is affected.
Disclosure of Invention
In view of this, the present application provides a vehicle hybrid assembly, a control method, and a vehicle having a simpler structure and capable of preventing overheating of a motor.
Specifically, the method comprises the following technical scheme:
embodiments of the present application provide a vehicle hybrid powertrain including a battery, an inverter, an engine, and a transmission, wherein,
the gearbox comprises a first motor, a second motor, a first clutch, a second clutch, a third clutch, an input shaft, an output shaft, a first gear set and a second gear set, wherein a first part of the first clutch is connected with the engine, a second part of the first clutch is connected with a first part of the second clutch, a second part of the second clutch and a first part of the third clutch are respectively connected with the input shaft, a second part of the third clutch is connected with the second motor, the input shaft and the output shaft are arranged in parallel, and the first gear set and the second gear set are sleeved on the input shaft and the output shaft;
the engine is configured to rotate a first portion of the first clutch;
the first motor comprises a rotor fixedly connected with the second part of the first clutch and the first part of the second clutch, and the first motor is configured to drive the second part of the first clutch and the first part of the second clutch to rotate;
the first motor and the second motor are electrically connected to the inverter, and the battery is electrically connected to the inverter.
In one possible design, the vehicle hybrid system further includes a differential, and an output end of the output shaft is provided with an output gear set, and the output shaft is transmitted to the differential through the output gear set to drive a transmission shaft to rotate.
In one possible design, the first gear set includes a first gear driven wheel and a first gear driving wheel, the first gear driving wheel is fixedly connected with the input shaft, and the first gear driven wheel is rotatably connected with the output shaft.
In one possible design, the second gear set includes a second gear driven wheel and a second gear driving wheel, the second gear driving wheel is fixedly connected with the input shaft, and the second gear driven wheel is rotatably connected with the output shaft.
In one possible design, a synchronizer is arranged between the first-gear driven wheel and the second-gear driven wheel, and the synchronizer is fixedly connected with the output shaft.
The embodiment of the application provides a vehicle hybrid power assembly control method, wherein a vehicle controller controls the vehicle hybrid power assembly, and the method comprises the following steps:
configuring the vehicle hybrid powertrain into an engine mode, comprising: and controlling the engine to work, the first motor and the second motor to work, the first clutch and the second clutch to be connected, the third clutch to be disconnected, and the synchronizer to be connected with the first-gear driven wheel or the second-gear driven wheel.
In one possible design, the method further includes:
configuring the vehicle hybrid powertrain in an electric-only mode, comprising: and controlling the second motor to work, the first motor and the engine to be out of work, the first clutch and the second clutch to be disconnected, the third clutch to be connected, and the synchronizer to be connected with the first-gear driven wheel or the second-gear driven wheel.
In one possible design, the method further includes: configuring the vehicle hybrid powertrain into a first hybrid mode, comprising: controlling the engine and the second motor to operate, the first motor configured in a power generation mode, the second clutch disengaged, the first clutch and the third clutch engaged, and the synchronizer engaged with the first-gear driven wheel or the second-gear driven wheel.
In one possible design, the method further includes: configuring the vehicle hybrid powertrain in a second hybrid mode, comprising: and controlling the first motor, the engine and the second motor to work, wherein the first clutch, the second clutch and the third clutch are engaged, and the synchronizer is engaged with the first-gear driven wheel or the second-gear driven wheel.
The embodiment of the application provides a vehicle, and the vehicle comprises the vehicle hybrid power assembly.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
the vehicle hybrid power assembly that this application embodiment provided combines two motors and engine, need not to combine the motor in current engine transmission, simple structure, and transmission efficiency is high. And when the vehicle low-speed is gone, accessible engine drive vehicle provides great moment of torsion for the vehicle, avoids causing the motor overheated, and when the vehicle was gone at high speed, accessible second motor drive, two gear wheel sets can satisfy the different speed demands of vehicle, and when engine and motor worked simultaneously, the engine can drive first motor electricity generation, and then charges for the battery at the in-process that the vehicle was gone, increases the continuation of the journey mileage of vehicle.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic illustration of a vehicle hybrid powertrain provided by an embodiment of the present application;
FIG. 2 is a schematic illustration of a vehicle hybrid powertrain according to an embodiment of the present application.
The reference numerals in the figures are denoted respectively by:
1-a storage battery;
2-an inverter;
3-a first motor;
4-an engine;
5-a second motor;
6-a first clutch;
7-a second clutch;
8-a third clutch;
9-an input shaft;
10-an output shaft;
11-a drive shaft;
12-a rotor;
13-a synchronizer;
14-a differential;
15-first gear set;
a 16-second gear set;
17-first gear driven wheel;
18-second gear driven wheel;
19-a first gear driving wheel;
20-second gear driving wheel;
21-output gear set.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference to orientation terms in the embodiments of the present application, such as "upper," "lower," "side," and the like, are generally based on the relative relationship of the orientations shown in fig. 1, and these orientation terms are used merely for clarity of description of the structures and the relationship between the structures, and are not used for describing absolute orientations. When the product is placed in different postures, the orientation may be changed, for example, "up" and "down" may be interchanged.
Unless defined otherwise, all technical terms used in the examples of the present application have the same meaning as commonly understood by one of ordinary skill in the art. Some technical terms appearing in the embodiments of the present application are explained below.
In the embodiments of the present application, reference to "differential" generally refers to a gear type differential or a limited slip differential for an automobile, a first part of a clutch referred to refers to a driving part of the clutch including a flywheel, a clutch cover and a pressure plate, and a second part of the clutch referred to refers to a driven part of the clutch including a driven plate and a driven shaft.
The embodiment of the present application provides a vehicle hybrid powertrain, as shown in fig. 1-2, including a battery 1, an inverter 2, an engine 4 and a transmission, the gearbox comprises a first motor 3, a second motor 5, a first clutch 6, a second clutch 7, a third clutch 8, an input shaft 9, an output shaft 10, a first gear set 15 and a second gear set 16, wherein a first part of the first clutch 6 is connected with the engine 4, a second part of the first clutch 6 is connected with a first part of the second clutch 7, a second part of the second clutch 7 and a first part of the third clutch 8 are respectively connected with the input shaft 9, a second part of the third clutch 8 is connected with the second motor 5, the input shaft 9 and the output shaft 10 are arranged in parallel, and the first gear set 15 and the second gear set 16 are sleeved on the input shaft 9 and the output shaft 10; the engine 4 is configured to rotate a first portion of the first clutch 6; the first motor 3 comprises a rotor 12, the rotor 12 is fixedly connected with the second part of the first clutch 6 and the first part of the second clutch 7, and the first motor 3 is configured to drive the second part of the first clutch 6 and the first part of the second clutch 7 to rotate; the first motor 3 and the second motor 5 are electrically connected to the inverter 2, and the battery 1 is electrically connected to the inverter 2.
The vehicle hybrid power assembly that this application embodiment provided combines together first motor 3, engine 4 and second motor 5, need not to combine the motor in the current engine transmission, simple structure, and transmission efficiency is high. And when the vehicle is running at low speed, the engine 4 can be used for driving the vehicle, so that larger torque is provided for the vehicle, and the motor is prevented from being overheated. When the vehicle travels at a high speed, the vehicle can be driven by the second motor 5, the two-gear set can meet different speed requirements of the vehicle, and when the engine 4 and the two motors work simultaneously, the engine 4 can drive the first motor 3 to generate electricity, so that the storage battery 1 is charged in the vehicle traveling process, and the cruising mileage of the vehicle is increased.
In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.
As shown in fig. 1, a vehicle hybrid powertrain provided in the embodiment of the present application includes a battery 1, an inverter 2, an engine 4, and a transmission, where the transmission includes a first motor 3 and a second motor 5, both the first motor 3 and the second motor 5 are electrically connected to the inverter 2, the inverter 2 is electrically connected to the battery 1, the battery 1 supplies power to the first motor 3 and the second motor 5 through the inverter 2, or only the second motor 5, the engine 4 is connected to the transmission, and the first motor 3 and the second motor 5 are disposed in the transmission to output power to a transmission shaft 11 of a vehicle.
Specifically, referring to fig. 1-2, the transmission includes a first clutch 6, a second clutch 7, a third clutch 8, an input shaft 9, an output shaft 10, a first gear gearset 15, and a second gear gearset 16. Wherein a first part of the first clutch 6 is connected to the engine 4, a second part of the first clutch 6 is connected to a first part of the second clutch 7, and a second part of the second clutch 7 is connected to the input shaft 9, and power output from the engine 4 is transmittable to the input shaft 9 when the first clutch 6 and the second clutch 7 are simultaneously configured in an engaged state. A first portion of the third clutch 8 is connected to the input shaft 9, a second portion of the third clutch 8 is connected to the second motor 5, and when the third clutch 8 is configured in the engaged state, power output from the second motor 5 can be transmitted to the input shaft 9. Furthermore, the rotor 12 of the first electric machine 3 is arranged between the first clutch 6 and the second clutch 7 and is fixedly connected to the second part of the first clutch 6 and the first part of the second clutch 7. When the second clutch 7 is configured in the engaged state, the output of the first electric machine 3 can be transmitted to the input shaft 9; when the first clutch 6 is configured in the engaged state, the engine 4 may rotate the rotor 12. The input shaft 9 and the output shaft 10 are arranged in parallel, the first gear set 15 and the second gear set 16 are sleeved on the input shaft 9 and the output shaft 10, and the input shaft 9 can transmit power to the output shaft 10 through the first gear set 15 or the second gear set 16.
The first motor 3 is a generator motor, and the second motor 5 is a motor. When the engine 4 is operated, the first clutch 6 is engaged, and the second clutch 7 is disengaged, the rotor 12 is rotated, the first electric machine 3 is connected to a load and placed in a power generation state, and electric energy generated by the first electric machine can be stored in the battery 1 through the inverter 2. If the second electric machine 5 is in a working state, the electric energy generated by the first electric machine 3 can be directly transmitted to the second electric machine 5 through the inverter 2, or can be stored in the storage battery 1 through the inverter 2, and then the storage battery 1 supplies power to the second electric machine 5 through the inverter 2.
When the engine 4 works and the first clutch 6 and the second clutch 7 are both engaged, the power generated by the engine 4 is transmitted to the input shaft 9, at this time, the first motor 3 does not work, that is, the first motor 3 does not access a load, the first motor 3 only generates extremely small electric energy, and then only applies an extremely small load to the engine 4.
In some embodiments of the present application, as shown in fig. 1, the vehicle hybrid system further includes a differential 14, an output end of the output shaft 10 is provided with an output gear set 21, and the output shaft 10 is transmitted to the differential 14 through the output gear set 21 to rotate the transmission shaft 11. The transmission shaft 11 is a front axle of the vehicle, and the differential 14 can enable the transmission shafts 11 on two sides of the differential to rotate at different speeds, so that the requirement of the vehicle in curve running is met.
Specifically, as shown in fig. 1-2, the first-gear set 15 may include a first-gear driven wheel 17 and a first-gear driving wheel 19, the first-gear driving wheel 19 is fixedly connected with the input shaft 9, and the first-gear driven wheel 17 is rotatably connected with the output shaft 10. When the input shaft 9 rotates, the first-gear driving pulley 19 and the first-gear driven pulley 17 rotate, and the output shaft 10 can rotate along with the first-gear driven pulley 17.
In some embodiments of the present application, as shown in fig. 1-2, the second gear set 16 may include a second gear driven wheel 18 and a second gear driving wheel 20, the second gear driving wheel 20 being fixedly connected to the input shaft 9, and the second gear driven wheel 18 being rotatably connected to the output shaft 10. When the input shaft 9 rotates, the second-speed driving pulley 20 and the second-speed driven pulley 18 rotate, and the output shaft 10 can rotate along with the second-speed driven pulley 18.
It will be appreciated that to effect shifting of the gearbox between first and second gears, a synchronizer 13 is provided between the first gear driven wheel 17 and the second gear driven wheel 18, and the synchronizer 13 is fixedly connected to the output shaft 10. When the synchronizer 13 is engaged with the first-gear driven wheel 17, the input shaft 9 transmits power to the book output shaft 10 through the first-gear set 15, and the synchronizer 13 and the output shaft 10 have the same rotation speed as the first-gear driven wheel 17. When the synchronizer 13 is engaged with the second driven gear 18, the input shaft 9 transmits power to the output shaft 10 through the second gear set 16, and the synchronizer 13 and the output shaft 10 have the same rotational speed as the second driven gear 18. When the synchronizer 13 is positioned between the first-gear driven wheel 17 and the second-gear driven wheel 18, the vehicle is in a neutral state, and the output shaft 10 rotates by inertia.
It should be noted that the synchronizer 13 is controlled by a shift operating mechanism of the vehicle, and the synchronizer 13 may be engaged with the first-gear driven wheel 17 or the second-gear driven wheel 18, or may be located between the first-gear driven wheel 17 and the second-gear driven wheel 18. The first gear set 15 has a smaller transmission ratio than the second gear set 16, and the output shaft 10 has a smaller rotational speed when the synchronizer 13 is engaged with the first gear driven wheel 17; the synchronizer 13 is engaged with the second driven gear 18, and the output shaft 10 has a large rotational speed.
The embodiment of the application also provides a control method of the vehicle hybrid power assembly, and the vehicle hybrid power assembly is controlled by the vehicle control unit. The square vehicle hybrid power assembly control method comprises the following steps:
configuring the vehicle hybrid powertrain into an engine mode, comprising: the engine 4 is controlled to work, the first motor 3 and the second motor 5 are not operated, the first clutch 6 and the second clutch 7 are connected, the third clutch 8 is disconnected, and the synchronizer 13 is connected with a first-gear driven wheel 17 or a second-gear driven wheel 18. When the vehicle needs larger torque, the vehicle control unit can configure the vehicle hybrid power assembly into an engine mode, the engine 4 can provide power for the vehicle, the first motor 3 or the second motor 5 is prevented from being overheated due to overlarge load, the overall performance and the safety of the vehicle are improved, and the service life of the motor is prolonged. When the vehicle runs at a relatively low speed, the vehicle control unit controls the gear shifting control mechanism to enable the synchronizer 13 to be engaged with the first-gear driven wheel 17, and the output shaft 10 can output a large torque and a low rotating speed; when the vehicle is running at a relatively high speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the second-gear driven wheel 18, and the output shaft 10 can output a small torque and a high rotation speed.
In the engine mode, the rotor 12 is rotated by the engine 4, and the first electric machine 3 does not operate, that is, the first electric machine 3 does not receive a load, and the rotation of the rotor 12 does not increase the load of the engine 4.
In some embodiments of the present application, the vehicle hybrid powertrain control method may further include:
configuring a vehicle hybrid powertrain into an electric-only mode, comprising: and controlling the second motor 5 to work, the first motor 3 and the engine 4 to be not work, the first clutch 6 and the second clutch 7 to be disconnected, the third clutch 8 to be connected, and the synchronizer 13 to be connected with a first-gear driven wheel 17 or a second-gear driven wheel 18. This mode is suitable for the case where the vehicle normally runs on a flat road, the power output by the second electric machine 5 can be directly transmitted to the input shaft 9, when the vehicle runs at a relatively low speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the first-gear driven wheel 17, and the output shaft 10 can output a relatively low rotation speed; when the vehicle is running at a relatively high speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the second-gear driven wheel 18, and the output shaft 10 can output a relatively high rotational speed. By the method, the vehicle only consumes the electric energy in the storage battery 1 during running, the carbon emission of the vehicle is reduced, and the environment is better protected.
In some embodiments of the present application, the vehicle hybrid powertrain control method may further include:
configuring a vehicle hybrid powertrain into a first hybrid mode, comprising: controlling the engine 4 and the second motor 5 to work, the first motor 3 is configured to be in a power generation mode, the second clutch 7 is disconnected, the first clutch 6 and the third clutch 8 are engaged, and the synchronizer 13 is engaged with the first-gear driven wheel 17 or the second-gear driven wheel 18. This mode is also applicable to the case where the vehicle normally runs on a flat road, the power output by the second electric machine 5 can be directly transmitted to the input shaft 9, when the vehicle runs at a relatively low speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the first-gear driven wheel 17, and the output shaft 10 can output a relatively low rotation speed; when the vehicle is running at a relatively high speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the second-gear driven wheel 18, and the output shaft 10 can output a relatively high rotational speed. Under the condition that the residual electric energy of the storage battery 1 is insufficient, the method can supplement the electric energy for the storage battery 1, prolong the driving mileage of the vehicle and meet the requirement of long-distance driving.
It should be noted that, in the first hybrid mode, the engine 4 drives the rotor 12 to rotate, the first motor 3 is connected to a load and generates power, meanwhile, the second motor 5 is in a working state, electric energy generated by the first motor 3 may be directly transmitted to the second motor 5 through the inverter 2, or may be stored in the storage battery 1 through the inverter 2, and the storage battery 1 supplies power to the second motor 5 through the inverter 2.
In some embodiments of the present application, the vehicle hybrid powertrain control method may further include:
configuring the vehicle hybrid powertrain into a second hybrid mode, comprising: the first motor 3, the engine 4 and the second motor 5 are controlled to work, the first clutch 6, the second clutch 7 and the third clutch 8 are engaged, and the synchronizer 13 is engaged with a first-gear driven wheel 17 or a second-gear driven wheel 18. When the vehicle needs larger power, the vehicle can be adjusted to a second hybrid power mode, at the moment, the first motor 3, the engine 4 and the second motor 5 all output power to the input shaft 9, when the vehicle runs at a relatively lower speed, the vehicle controller controls the gear shifting control mechanism to enable the synchronizer 13 to be engaged with the first-gear driven wheel 17, and the output shaft 10 can output a relatively lower rotating speed; when the vehicle is running at a relatively high speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the second-gear driven wheel 18, and the output shaft 10 can output a relatively high rotational speed. The method can provide larger power for the vehicle and can meet the requirement of the vehicle on larger power during driving.
In the second hybrid mode, the vehicle control unit adjusts the output rotation speeds of the first motor 3, the engine 4, and the second motor 5 to the same rotation speed so that the input shaft 9 obtains stable power.
In addition, the embodiment of the application also provides a vehicle which comprises the vehicle hybrid assembly and can execute the vehicle hybrid assembly control method. When the vehicle is in a starting stage of driving or climbing, the vehicle control unit automatically adjusts the vehicle powertrain to an engine mode and controls the shift mechanism to engage the synchronizer 13 with the first-gear driven wheel 17. As the vehicle running speed increases, the vehicle control unit controls the shift mechanism to engage the synchronizer 13 with the second-gear driven wheel 18 to increase the vehicle running speed and reduce the fuel consumption of the engine 4. When the vehicle runs under normal road conditions, the vehicle control unit can automatically adjust the vehicle power assembly to be a pure electric mode or a first hybrid power mode, and when the vehicle runs at a relatively low speed, the vehicle control unit controls the gear shifting control mechanism to enable the synchronizer 13 to be engaged with the first-gear driven wheel 17; when the vehicle is running at a relatively high speed, the vehicle control unit controls the shift operating mechanism to engage the synchronizer 13 with the second-gear driven wheel 18, so as to increase the running speed of the vehicle and reduce energy consumption. When the vehicle needs to run with larger power, the vehicle control unit can adjust the vehicle power assembly into a second hybrid power mode, and the first motor 3, the engine 4 and the second motor 5 drive the vehicle together, so that the vehicle obtains larger acceleration and meets the driving requirement.
To sum up, the vehicle hybrid assembly that this application embodiment provided need not to combine the motor to in the current gearbox, has simpler structure, has occupied littleer space, has reduced the degree of difficulty of whole car design. The vehicle hybrid power assembly control method provided by the embodiment of the application can configure the vehicle hybrid power assembly into an engine mode, a pure electric mode, a first hybrid power mode or a second hybrid power mode, and can adjust the vehicle hybrid power assembly into the corresponding driving mode according to the driving condition of the vehicle or the requirement of a driver, so that the electric energy is saved, the oil consumption is reduced, the cruising mileage of the vehicle is increased, and better driving experience is brought to the driver. Under the engine mode, the vehicle power assembly can output relatively large torque through the engine 4, satisfy the power demand when the vehicle starts or climbs, and first motor 3 and second motor 5 do not work simultaneously, have avoided the motor too high because of the too big temperature of load, improve the performance of vehicle and the life of motor.
In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. A vehicle hybrid powertrain, characterized in that it comprises a battery (1), an inverter (2), an engine (4) and a gearbox, wherein,
the gearbox comprises a first motor (3), a second motor (5), a first clutch (6), a second clutch (7), a third clutch (8), an input shaft (9), an output shaft (10), a first gear set (15) and a second gear set (16), a first part of the first clutch (6) is connected to the engine (4), the second part of the first clutch (6) is connected to the first part of the second clutch (7), the second part of the second clutch (7) and the first part of the third clutch (8) are each connected to the input shaft (9), a second part of the third clutch (8) is connected with the second motor (5), the input shaft (9) and the output shaft (10) are arranged in parallel, and the first-gear set (15) and the second-gear set (16) are sleeved on the input shaft (9) and the output shaft (10);
the engine (4) is configured to rotate a first portion of the first clutch (6);
the first electric machine (3) comprises a rotor (12), the rotor (12) is connected with the second part of the first clutch (6) and the first part of the second clutch (7), and the first electric machine (3) is configured to drive the second part of the first clutch (6) and the first part of the second clutch (7) to rotate;
the first motor (3) and the second motor (5) are electrically connected to the inverter (2), and the battery (1) is electrically connected to the inverter (2).
2. A vehicle hybrid powertrain according to claim 1, characterized in that the vehicle hybrid system further comprises a differential (14), an output end of the output shaft (10) is provided with an output gear set (21), and the output shaft (10) is transmitted to the differential (14) through the output gear set (21) to rotate the transmission shaft (11).
3. A vehicle hybrid powertrain as claimed in claim 1, characterized in that the first gear gearset (15) comprises a first gear driven wheel (17) and a first gear driving wheel (19), the first gear driving wheel (19) being fixedly connected with the input shaft (9), the first gear driven wheel (17) being rotatably connected with the output shaft (10).
4. A vehicle hybrid powertrain as claimed in claim 3, characterized in that the second gear gearset (16) comprises a second driven wheel (18) and a second driving wheel (20), the second driving wheel (20) being fixedly connected to the input shaft (9), the second driven wheel (18) being rotatably connected to the output shaft (10).
5. A vehicle hybrid powertrain according to claim 4, characterized in that a synchronizer (13) is provided between the first-gear driven wheel (17) and the second-gear driven wheel (18), and the synchronizer (13) is fixedly connected with the output shaft (10).
6. A vehicle hybrid powertrain control method, characterized in that the vehicle hybrid powertrain of claim 5 is controlled by a vehicle control unit, the method comprising:
configuring the vehicle hybrid powertrain into an engine mode, comprising: controlling the engine (4) to work, the first motor (3) and the second motor (5) not to work, the first clutch (6) and the second clutch (7) to be connected, the third clutch (8) to be disconnected, and the synchronizer (13) to be connected with the first-gear driven wheel (17) or the second-gear driven wheel (18).
7. The vehicle hybrid powertrain control method of claim 6, further comprising:
configuring the vehicle hybrid powertrain in an electric-only mode, comprising: controlling the second motor (5) to work, the first motor (3) and the engine (4) to be out of work, the first clutch (6) and the second clutch (7) to be disconnected, the third clutch (8) to be connected, and the synchronizer (13) to be connected with the first-gear driven wheel (17) or the second-gear driven wheel (18).
8. The vehicle hybrid powertrain control method of claim 6, further comprising:
configuring the vehicle hybrid powertrain into a first hybrid mode, comprising: controlling the engine (4) and the second electric machine (5) to operate, the first electric machine (3) being configured in a power generation mode, the second clutch (7) being disengaged, the first clutch (6) and the third clutch (8) being engaged, the synchronizer (13) being engaged with the first-gear driven wheel (17) or the second-gear driven wheel (18).
9. The vehicle hybrid powertrain control method of claim 6, further comprising:
configuring the vehicle hybrid powertrain in a second hybrid mode, comprising: controlling the first motor (3), the engine (4) and the second motor (5) to work, wherein the first clutch (6), the second clutch (7) and the third clutch (8) are engaged, and the synchronizer (13) is engaged with the first-gear driven wheel (17) or the second-gear driven wheel (18).
10. A vehicle comprising a vehicle hybrid powertrain according to any one of claims 1-5.
CN202110726321.XA 2021-06-29 2021-06-29 Vehicle hybrid power assembly, control method and vehicle Pending CN113263903A (en)

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