CN118182116A - Automobile single-gear hybrid transmission system, method and automobile - Google Patents

Automobile single-gear hybrid transmission system, method and automobile Download PDF

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Publication number
CN118182116A
CN118182116A CN202410426226.1A CN202410426226A CN118182116A CN 118182116 A CN118182116 A CN 118182116A CN 202410426226 A CN202410426226 A CN 202410426226A CN 118182116 A CN118182116 A CN 118182116A
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Prior art keywords
power
differential
generator
engine
output shaft
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Chinese (zh)
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孙礼
胡昌才
邱颖
方振兴
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Chery Automobile Co Ltd
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Chery Automobile Co Ltd
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Priority to CN202410426226.1A priority Critical patent/CN118182116A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • 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 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 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 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
    • 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 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines 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
    • 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • 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
    • 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio

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

Abstract

The invention relates to the technical field of hybrid electric vehicle development, and discloses an automobile single-gear hybrid electric speed change system, an automobile single-gear hybrid electric speed change method and an automobile, wherein the system comprises the following components: the device comprises a clutch, a generator, an input shaft, an output shaft, a motor, a differential and a controller; the controller is used for controlling the switch of the motor and the generator; the clutch is used for controlling the on-off of power transmission between the input shaft and the engine; the input shaft is used for transmitting power; the input shaft is respectively connected with the engine and the output shaft through gears; the input shaft is also connected with a generator through a gear; the output shaft is used for transmitting power; the differential mechanism and the motor are respectively connected through gears; the differential is used for transmitting power to wheels; the automobile power battery is connected with the generator and the motor. The automobile single-gear hybrid transmission system provided by the disclosure can effectively solve the problem of insufficient endurance of a pure electric car and the problem of insufficient energy conservation of a traditional fuel vehicle.

Description

一种汽车单档混动变速系统、方法及汽车Automobile single-gear hybrid transmission system, method and automobile

技术领域Technical Field

本公开涉及混动汽车开发技术领域，特别涉及一种汽车单档混动变速系统、方法及汽车。The present disclosure relates to the technical field of hybrid vehicle development, and in particular to a single-speed hybrid transmission system, method and vehicle.

背景技术Background technique

随着双碳目标的实施及新能源汽车混动技术发展趋势，市场对车辆经济性要求逐渐提高。然而，现有的纯电汽车续航里程较短，传统的燃油车辆耗能较高，因此需要开发一种混动变速箱，弥补纯电车续航不足及传统燃油车辆不够节能的问题。With the implementation of the dual carbon goals and the development trend of hybrid technology for new energy vehicles, the market's requirements for vehicle economy are gradually increasing. However, existing pure electric vehicles have a short range and traditional fuel vehicles have high energy consumption. Therefore, it is necessary to develop a hybrid transmission to make up for the problems of insufficient range of pure electric vehicles and insufficient energy saving of traditional fuel vehicles.

发明内容Summary of the invention

本公开旨在至少一定程度上解决上述技术中的技术问题之一，为此提出了一种汽车单档混动变速系统，包括：离合器、发电机、输入轴、输出轴、电动机、差速器及控制器；其中，The present disclosure aims to solve at least one of the technical problems in the above-mentioned technologies to a certain extent, and proposes a single-speed hybrid transmission system for an automobile, comprising: a clutch, a generator, an input shaft, an output shaft, a motor, a differential and a controller; wherein:

所述控制器，用于控制电动机与发电机的开关；The controller is used to control the switching of the motor and the generator;

所述离合器，用于控制输入轴与发动机之间动力传输的通断；The clutch is used to control the on and off of power transmission between the input shaft and the engine;

所述输入轴，用于传递动力；所述输入轴通过齿轮分别连接发动机与输出轴；所述输入轴还通过齿轮与发电机连接；The input shaft is used to transmit power; the input shaft is connected to the engine and the output shaft respectively through gears; the input shaft is also connected to the generator through gears;

所述输出轴，用于传递动力；通过齿轮分别连接差速器与电动机；The output shaft is used to transmit power and is connected to the differential and the motor through gears;

所述差速器，用于将动力传输至车轮；The differential is used to transmit power to the wheels;

汽车动力电池连接所述发电机与所述电动机。The automobile power battery connects the generator and the electric motor.

优选的，所述系统至少具有以下工作模式：纯电驱动模式、串联驱动模式、并联驱动模式、发动机驱动模式、驻车发电模式及能量回收模式。Preferably, the system has at least the following operating modes: pure electric drive mode, series drive mode, parallel drive mode, engine drive mode, parking power generation mode and energy recovery mode.

优选的，所述系统处于纯电驱动模式时，所述电动机运行并通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。Preferably, when the system is in a pure electric drive mode, the electric motor runs and outputs power to the differential through the output shaft, and the differential outputs power to the wheels.

优选的，所述系统处于串联驱动模式时，所述发动机驱动所述发电机工作，所述发电机将发出的电力输入所述电动机，所述电动机通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。Preferably, when the system is in series drive mode, the engine drives the generator to work, the generator inputs the generated electricity into the motor, the motor outputs the power to the differential through the output shaft, and the differential outputs the power to the wheels.

优选的，所述系统处于并联驱动模式时，所述发动机工作，所述离合器结合，所述电动机工作，所述发动机与所述电动机的动力通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。Preferably, when the system is in parallel drive mode, the engine is working, the clutch is engaged, the motor is working, the power of the engine and the motor is output to the differential through the output shaft, and the differential outputs the power to the wheels.

优选的，所述系统处于发动机驱动模式时，所述离合器结合，所述发动机通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。Preferably, when the system is in the engine drive mode, the clutch is engaged, the engine outputs power to the differential through the output shaft, and the differential outputs power to the wheels.

优选的，所述系统处于驻车发电模式时，所述发动机工作，所述离合器分离，所述发动机通过所述输出轴将动力输出至所述发电机，所述发电机将发出的电力输入动力电池，为其进行充电。Preferably, when the system is in the parking power generation mode, the engine is working, the clutch is disengaged, the engine outputs power to the generator through the output shaft, and the generator inputs the generated power into the power battery to charge it.

优选的，车辆滑行或制动时，所述系统处于能量回收模式，车轮在惯性的驱动下通过差速器将动力传输至所述输出轴，所述输出轴将动力传输至所述输入轴，所述输入轴将动力传输至所述发电机，所述发电机将发出的电力输入动力电池，为其进行充电。Preferably, when the vehicle is coasting or braking, the system is in energy recovery mode, and the wheels, driven by inertia, transmit power to the output shaft through the differential, and the output shaft transmits power to the input shaft, and the input shaft transmits power to the generator, and the generator inputs the generated electricity into the power battery to charge it.

本公开还提出一种汽车单档混动变速方法，包括：基于上述汽车单档混动变速系统实现车辆的单档混动变速。The present disclosure also proposes a single-speed hybrid transmission method for an automobile, comprising: realizing a single-speed hybrid transmission of the vehicle based on the above-mentioned single-speed hybrid transmission system for the automobile.

本公开还提出一种汽车，所述汽车安装有上述的汽车单档混动变速系统。The present disclosure also provides a car, wherein the car is equipped with the above-mentioned single-speed hybrid transmission system for the car.

与现有技术相比，本公开的有益效果是：本公开在现有纯电变速箱设计基础上，增加一套离合器及发电机系统，引入发动机驱动及发电功能，增加里程的同时可实现双引擎驱动，弥补纯电续航不足及传统燃油车辆不够节能的问题。当电池电量充足时，电机纯电模式行驶，当需要较大轮端扭矩时，发动机通过离合器的结合参与驱动，当电池电量不足需要增加里程时，发动机启动并带动发电机进行发电。Compared with the prior art, the beneficial effects of the present disclosure are as follows: based on the existing pure electric gearbox design, the present disclosure adds a set of clutch and generator system, introduces engine drive and power generation functions, increases mileage and realizes dual-engine drive, making up for the problem of insufficient pure electric endurance and insufficient energy saving of traditional fuel vehicles. When the battery power is sufficient, the motor drives in pure electric mode. When a larger wheel-end torque is required, the engine participates in the drive through the clutch. When the battery power is insufficient and the mileage needs to be increased, the engine starts and drives the generator to generate electricity.

本公开的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本公开而了解。本公开的目的和其他优点可通过在所写的说明书以及附图中所特别指出的结构来实现和获得。下面通过附图和实施例，对本公开的技术方案做进一步的描述。Other features and advantages of the present disclosure will be described in the subsequent description, and partly become apparent from the description, or be understood by practicing the present disclosure. The purpose and other advantages of the present disclosure can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings. The technical solution of the present disclosure is further described below through the accompanying drawings and embodiments.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

附图用来提供对本公开的进一步理解，并且构成说明书的一部分，与本公开的实施例一起用于解释本公开，并不构成对本公开的限制。在附图中：The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the embodiments of the present disclosure, they are used to explain the present disclosure and do not constitute a limitation of the present disclosure. In the accompanying drawings:

图1为实施例给出的汽车单档混动变速系统示意图；FIG1 is a schematic diagram of a single-speed hybrid transmission system for an automobile according to an embodiment;

图2为实施例给出的发动机串联驱动模式动力传递示意图；FIG2 is a schematic diagram of power transmission in a series drive mode of an engine according to an embodiment;

图3为实施例给出的发动机并联驱动模式动力传递示意图；FIG3 is a schematic diagram of power transmission in a parallel drive mode of engines provided in an embodiment;

图4为实施例给出的发动机驱动模式动力传递示意图；FIG4 is a schematic diagram of power transmission in an engine driving mode according to an embodiment;

图5为实施例给出的驻车发电模式动力传递示意图；FIG5 is a schematic diagram of power transmission in a parking power generation mode according to an embodiment;

图6为实施例给出的能量回收模式动力传递示意图；FIG6 is a schematic diagram of power transmission in an energy recovery mode according to an embodiment;

附图标记：1、离合器；2、发电机；3、输入轴；4、输出轴；5、电动机；6、差速器；7、控制器。Figure numerals: 1. Clutch; 2. Generator; 3. Input shaft; 4. Output shaft; 5. Motor; 6. Differential; 7. Controller.

具体实施方式Detailed ways

以下结合附图对本公开进行说明，此处所描述的优选实施例仅用于说明和解释本公开，并不用于限定本公开。The present disclosure is described below in conjunction with the accompanying drawings. The preferred embodiments described herein are only used to illustrate and explain the present disclosure and are not used to limit the present disclosure.

图1为本公开给出的汽车单档混动变速系统，该汽车单档混动变速系包括：离合器1、发电机2、输入轴3、输出轴4、电动机5、差速器6及控制器7；其中，控制器7，用于控制电动机5(图中的EM2)与发电机2(图中的EM1)的开关；离合器1，用于控制输入轴3与发动机(图中的Egine)之间动力传输的通断；输入轴3，用于传递动力；输入轴3通过齿轮分别连接发动机与输出轴4；输入轴3还通过齿轮与发电机2连接；输出轴4，用于传递动力；通过齿轮分别连接差速器6与电动机5；差速器6，用于将动力传输至车轮；汽车动力电池连接发电机2与电动机5。Figure 1 is a single-speed hybrid transmission system for an automobile provided by the present invention, and the single-speed hybrid transmission system for an automobile comprises: a clutch 1, a generator 2, an input shaft 3, an output shaft 4, an electric motor 5, a differential 6 and a controller 7; wherein the controller 7 is used to control the switching of the electric motor 5 (EM2 in the figure) and the generator 2 (EM1 in the figure); the clutch 1 is used to control the on and off of the power transmission between the input shaft 3 and the engine (Egine in the figure); the input shaft 3 is used to transmit power; the input shaft 3 is connected to the engine and the output shaft 4 respectively through gears; the input shaft 3 is also connected to the generator 2 through gears; the output shaft 4 is used to transmit power; the differential 6 and the electric motor 5 are respectively connected through gears; the differential 6 is used to transmit power to the wheels; the automobile power battery is connected to the generator 2 and the electric motor 5.

根据本公开一些实施例，离合器1为湿式离合器，通过液压控制结合与分离，进而控制发动机动力是否参与驱动；发电机2为永磁同步结构电机，用于初次启动发动机及发动机启动后按需发电；输入轴3，用于支撑离合器1并与发动机飞轮连接，传输发动机动力；输出轴4，与电动机5通过齿轮组相连，用于输出电动机5的动力；电动机5，用于纯电模式时向输出轴提供驱动力；差速器6，用于实现差速增扭功能；控制器7，用于精确控制发电机2和电动机5并与配电模块相连完成与汽车高压电池的电力交换。According to some embodiments of the present disclosure, the clutch 1 is a wet clutch, which is engaged and disengaged through hydraulic control, thereby controlling whether the engine power is involved in the drive; the generator 2 is a permanent magnet synchronous structure motor, which is used for the initial start of the engine and to generate electricity on demand after the engine is started; the input shaft 3 is used to support the clutch 1 and is connected to the engine flywheel to transmit the engine power; the output shaft 4 is connected to the motor 5 through a gear set, and is used to output the power of the motor 5; the motor 5 is used to provide driving force to the output shaft in pure electric mode; the differential 6 is used to realize the differential torque increase function; the controller 7 is used to accurately control the generator 2 and the motor 5 and is connected to the distribution module to complete the power exchange with the vehicle's high-voltage battery.

根据本公开的一些实施例，本公开给出的汽车单档混动变速系统至少具有以下工作模式：纯电驱动模式、串联驱动模式、并联驱动模式、发动机驱动模式、驻车发电模式及能量回收模式。According to some embodiments of the present disclosure, the automobile single-speed hybrid transmission system provided by the present disclosure has at least the following operating modes: pure electric drive mode, series drive mode, parallel drive mode, engine drive mode, parking power generation mode and energy recovery mode.

1、纯电驱动模式1. Pure electric driving mode

当汽车动力电池电量充足时，电动机5启动，通过输出轴4将动力输出至差速器6，差速器将动力输出至车轮。When the power battery of the vehicle is fully charged, the motor 5 is started, and the power is output to the differential 6 through the output shaft 4, and the differential outputs the power to the wheels.

2、串联驱动模式2. Series drive mode

如图2所示，在此模式下，发动机启动并带动发电机2工作，发电机2发出的电力直接输入到电动机5，电动机5运行，通过输出轴4将动力输出至差速器6，差速器将动力输出至车轮。As shown in FIG. 2 , in this mode, the engine starts and drives the generator 2 to work. The electricity generated by the generator 2 is directly input into the motor 5. The motor 5 runs and outputs the power to the differential 6 through the output shaft 4. The differential outputs the power to the wheels.

3、并联驱动模式3. Parallel drive mode

如图3所示，在此模式下，发动机启动，离合器1结合，同时电动机5工作，电动机5通过输出轴4将动力输出至差速器6，差速器6将动力输出至车轮；同时，发动机动力通过输入轴3输出至输出轴4，输出轴4将动力输出至差速器6，经差速器6输出至车轮。在此模式下，发动机与电动机5共同驱动车辆；As shown in FIG3 , in this mode, the engine is started, the clutch 1 is engaged, and the motor 5 is working at the same time. The motor 5 outputs power to the differential 6 through the output shaft 4, and the differential 6 outputs power to the wheels; at the same time, the engine power is output to the output shaft 4 through the input shaft 3, and the output shaft 4 outputs power to the differential 6, and outputs power to the wheels through the differential 6. In this mode, the engine and the motor 5 drive the vehicle together;

4、发动机驱动模式4. Engine drive mode

在此模式下，离合器1处于结合的状态，发动机工作，通过离合器1与输入轴3将动力传输至输出轴4，输出轴4将动力输出至差速器6，差速器6将动力输出至车轮。In this mode, the clutch 1 is in the engaged state, the engine is working, and the power is transmitted to the output shaft 4 through the clutch 1 and the input shaft 3. The output shaft 4 outputs the power to the differential 6, and the differential 6 outputs the power to the wheels.

5、驻车发电模式5. Parking power generation mode

车辆处于静止状态，发动机启动，离合器1处于断开状态，发动机动力通过输入轴3带动发电机2为动力电池充电；The vehicle is stationary, the engine is started, the clutch 1 is disconnected, and the engine power drives the generator 2 through the input shaft 3 to charge the power battery;

6、能量回收模式6. Energy recovery mode

当车辆处于车辆滑行或制动时，车轮在惯性的驱动下通过差速器将动力传输至输出轴4，输出轴4将动力传输至输入轴3，输入轴3将动力传输至发电机2，发电机2将发出的电力输入动力电池，为动力电池进行充电，实现能量的回收。When the vehicle is coasting or braking, the wheels, driven by inertia, transmit power to the output shaft 4 through the differential, the output shaft 4 transmits power to the input shaft 3, the input shaft 3 transmits power to the generator 2, the generator 2 inputs the generated electricity into the power battery to charge the power battery and realize energy recovery.

此外，本公开还给出一种汽车单档混动变速方法，该方法基于上述的汽车单档混动变速系统实现。本公开还给出一种汽车，该汽车安装有上述的汽车单档混动变速系统。In addition, the present disclosure also provides a single-speed hybrid transmission method for an automobile, which is implemented based on the above-mentioned single-speed hybrid transmission system for an automobile. The present disclosure also provides an automobile, which is equipped with the above-mentioned single-speed hybrid transmission system for an automobile.

本公开优点在于：在现有纯电变速箱设计基础上，增加一套湿式离合器及发电机系统，引入发动机驱动及发电功能，增加里程的同时可实现双引擎驱动，弥补纯电续航不足及传统燃油车辆不够节能的问题。当电池电量充足时，驱动电机纯电模式行驶，当需要较大轮端扭矩时，发动机通过离合器的结合参与驱动，当电池电量不足需要增加里程时，发动机启动并带动发电机进行发电。The advantages of the present invention are: based on the existing pure electric transmission design, a set of wet clutch and generator system is added, the engine drive and power generation functions are introduced, the mileage can be increased while dual-engine drive can be realized, making up for the problem of insufficient pure electric endurance and insufficient energy saving of traditional fuel vehicles. When the battery power is sufficient, the drive motor drives in pure electric mode. When a larger wheel-end torque is required, the engine participates in the drive through the clutch. When the battery power is insufficient and the mileage needs to be increased, the engine starts and drives the generator to generate electricity.

显而易见的是，本领域内的普通技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。It is obvious that a person skilled in the art can make various changes and modifications to the present disclosure without departing from the spirit and scope of the present disclosure. Thus, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalents, the present disclosure is also intended to include these modifications and variations.

Claims (10)

1.一种汽车单档混动变速系统，其特征在于，包括：离合器、发电机、输入轴、输出轴、电动机、差速器及控制器；其中，1. A single-speed hybrid transmission system for an automobile, characterized in that it comprises: a clutch, a generator, an input shaft, an output shaft, a motor, a differential and a controller; wherein: 所述控制器，用于控制电动机与发电机的开关；The controller is used to control the switching of the motor and the generator; 所述离合器，用于控制输入轴与发动机之间动力传输的通断；The clutch is used to control the on and off of power transmission between the input shaft and the engine; 所述输入轴，用于传递动力；所述输入轴通过齿轮分别连接发动机与输出轴；所述输入轴还通过齿轮与发电机连接；The input shaft is used to transmit power; the input shaft is connected to the engine and the output shaft respectively through gears; the input shaft is also connected to the generator through gears; 所述输出轴，用于传递动力；通过齿轮分别连接差速器与电动机；The output shaft is used to transmit power and is connected to the differential and the motor through gears; 所述差速器，用于将动力传输至车轮；The differential is used to transmit power to the wheels; 汽车动力电池连接所述发电机与所述电动机。The automobile power battery connects the generator and the electric motor. 2.如权利要求1所述的汽车单档混动变速系统，其特征在于，所述系统至少具有以下工作模式：纯电驱动模式、串联驱动模式、并联驱动模式、发动机驱动模式、驻车发电模式及能量回收模式。2. The automotive single-speed hybrid transmission system as described in claim 1 is characterized in that the system has at least the following operating modes: pure electric drive mode, series drive mode, parallel drive mode, engine drive mode, parking power generation mode and energy recovery mode. 3.如权利要求2所述的汽车单档混动变速系统，其特征在于，所述系统处于纯电驱动模式时，所述电动机运行并通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。3. The automotive single-speed hybrid transmission system as described in claim 2 is characterized in that when the system is in a pure electric drive mode, the electric motor runs and outputs power to the differential through the output shaft, and the differential outputs power to the wheels. 4.如权利要求2所述的汽车单档混动变速系统，其特征在于，所述系统处于串联驱动模式时，所述发动机驱动所述发电机工作，所述发电机将发出的电力输入所述电动机，所述电动机通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。4. The automotive single-speed hybrid transmission system as described in claim 2 is characterized in that when the system is in series drive mode, the engine drives the generator to work, the generator inputs the generated electricity into the motor, the motor outputs power to the differential through the output shaft, and the differential outputs power to the wheels. 5.如权利要求2所述的汽车单档混动变速系统，其特征在于，所述系统处于并联驱动模式时，所述发动机工作，所述离合器结合，所述电动机工作，所述发动机与所述电动机的动力通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。5. The automotive single-speed hybrid transmission system as described in claim 2 is characterized in that when the system is in parallel drive mode, the engine is working, the clutch is engaged, the motor is working, the power of the engine and the motor is output to the differential through the output shaft, and the differential outputs the power to the wheels. 6.如权利要求2所述的汽车单档混动变速系统，其特征在于，所述系统处于发动机驱动模式时，所述离合器结合，所述发动机通过所述输出轴将动力输出至差速器，所述差速器将动力输出至车轮。6. The automotive single-speed hybrid transmission system as claimed in claim 2, characterized in that when the system is in engine drive mode, the clutch is engaged, the engine outputs power to the differential through the output shaft, and the differential outputs power to the wheels. 7.如权利要求2所述的汽车单档混动变速系统，其特征在于，所述系统处于驻车发电模式时，所述发动机工作，所述离合器分离，所述发动机通过所述输出轴将动力输出至所述发电机，所述发电机将发出的电力输入动力电池，为其进行充电。7. The automotive single-speed hybrid transmission system as described in claim 2 is characterized in that when the system is in the parking power generation mode, the engine is working, the clutch is disengaged, the engine outputs power to the generator through the output shaft, and the generator inputs the generated power into the power battery to charge it. 8.如权利要求2所述的汽车单档混动变速系统，其特征在于，车辆滑行或制动时，所述系统处于能量回收模式，车轮在惯性的驱动下通过差速器将动力传输至所述输出轴，所述输出轴将动力传输至所述输入轴，所述输入轴将动力传输至所述发电机，所述发电机将发出的电力输入动力电池，为其进行充电。8. The automotive single-speed hybrid transmission system as described in claim 2 is characterized in that when the vehicle is coasting or braking, the system is in energy recovery mode, and the wheels are driven by inertia to transmit power to the output shaft through the differential, and the output shaft transmits power to the input shaft, and the input shaft transmits power to the generator, and the generator inputs the generated electricity into the power battery to charge it. 9.一种汽车单档混动变速方法，其特征在于，基于权利要求1-8任意一项所述系统实现车辆的单档混动变速。9. A method for a single-gear hybrid speed change of an automobile, characterized in that the single-gear hybrid speed change of the vehicle is realized based on the system described in any one of claims 1 to 8. 10.一种汽车，其特征在于，所述汽车安装有权利要求1-8任意一项所述的汽车单档混动变速系统。10. An automobile, characterized in that the automobile is equipped with the automobile single-speed hybrid transmission system according to any one of claims 1 to 8.
CN202410426226.1A 2024-04-10 2024-04-10 Automobile single-gear hybrid transmission system, method and automobile Pending CN118182116A (en)

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