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CN114475207B - A hybrid electric vehicle power system - Google Patents

A hybrid electric vehicle power system Download PDF

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Publication number
CN114475207B
CN114475207B CN202210054885.8A CN202210054885A CN114475207B CN 114475207 B CN114475207 B CN 114475207B CN 202210054885 A CN202210054885 A CN 202210054885A CN 114475207 B CN114475207 B CN 114475207B
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drive
shaft
drive shaft
shaft sleeve
power
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CN114475207A (en
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张杨
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Chongqing Industry Polytechnic College
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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
    • 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 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 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 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 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
    • 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 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 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/24—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units
    • 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 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 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 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
    • 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 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 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
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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

Abstract

本发明属于汽车传动技术领域，具体涉及一种混合动力汽车动力系统，包括第一驱动端和第二驱动端，第一驱动端包括有第一驱轴，第二驱动端包括有第二驱轴，第一驱轴套设有第一轴套，第二驱轴套设有的第二轴套，第一轴套外侧和第二轴套套设有齿圈，第一轴套连接有启动电机，齿圈连接有第一输出端，第一轴套设有第一太阳轮，第一驱轴设有第一行星传动机构，第二驱轴连接有电动机，第二驱轴设有第二行星传动机构，第二轴套设有第二太阳轮，第二轴套设有第二输出端；本发明能够使汽车动力系统传动结构结构更加紧凑，并且能够实现不同的动力输出方式，同时具有更加多样的功能变化，能够高效的利用多余的动能。

Figure 202210054885

The invention belongs to the technical field of automobile transmission, and specifically relates to a power system of a hybrid electric vehicle, which includes a first drive end and a second drive end, the first drive end includes a first drive shaft, and the second drive end includes a second drive shaft , the first drive shaft sleeve is provided with a first shaft sleeve, the second drive shaft sleeve is provided with a second shaft sleeve, the outer side of the first shaft sleeve and the second shaft sleeve are provided with a ring gear, and the first shaft sleeve is connected with a starter motor, The ring gear is connected with a first output end, the first shaft sleeve is provided with a first sun gear, the first drive shaft is provided with a first planetary transmission mechanism, the second drive shaft is connected with a motor, and the second drive shaft is provided with a second planetary transmission mechanism, the second shaft sleeve is provided with the second sun gear, and the second shaft sleeve is provided with the second output end; the present invention can make the vehicle power system transmission structure more compact, and can realize different power output modes, and has more diverse The functional changes can efficiently utilize the excess kinetic energy.

Figure 202210054885

Description

一种混合动力汽车动力系统A hybrid electric vehicle power system

技术领域technical field

本发明属于汽车动力系统技术领域，具体涉及一种混合动力汽车动力系统。The invention belongs to the technical field of automobile power systems, and in particular relates to a hybrid electric vehicle power system.

背景技术Background technique

通常所说的混合动力汽车，一般是指油电混合动力汽车，即采用传统的内燃机(柴油机或汽油机)和电动机作为动力源，因此，油电混合动力车辆相对于传统内燃机车辆具有更好的环保、节能与经济性，在目前及近期都将具有良好的发展趋势，现有的混合动力汽车，虽然能够切换不同的动力输出方式，但是，其动力系统的传动结构复杂占用空间较大，同时，在车辆的驱动中，一般不具有转换驱动方式的功能，无法转换两驱四驱方式，因此我们提出一种混合动力汽车动力系统，使汽车动力系统传动结构结构更加紧凑，并且能够实现不同的动力输出方式以及在各个不同的动力输出方式中能够实现转换不同的两驱四驱方式，同时具有原地发电、巡航和低负荷辅助、行进充电以及制动能量回收等功能，具有更加多样的功能变化，能够高效的利用多余的动能。The so-called hybrid vehicle generally refers to a gasoline-electric hybrid vehicle, which uses a traditional internal combustion engine (diesel engine or gasoline engine) and an electric motor as a power source. Therefore, a gasoline-electric hybrid vehicle has better environmental protection than a traditional internal combustion engine vehicle. , energy saving and economy will have a good development trend at present and in the near future. Although the existing hybrid electric vehicles can switch different power output modes, the transmission structure of the power system is complex and takes up a large space. At the same time, In the drive of the vehicle, generally there is no function of switching the driving mode, and the two-wheel drive and four-wheel drive modes cannot be switched. Therefore, we propose a hybrid electric vehicle power system, which makes the transmission structure of the vehicle power system more compact and can realize different power. The output mode and the different two-wheel drive and four-wheel drive modes can be converted in different power output modes. At the same time, it has functions such as in-situ power generation, cruise and low-load assistance, traveling charging and braking energy recovery, and has more diverse functional changes. , can efficiently utilize excess kinetic energy.

发明内容Contents of the invention

本发明的目的是：旨在提供一种混合动力汽车动力系统，使汽车动力系统传动结构结构更加紧凑，并且能够实现不同的动力输出方式以及在各个不同的动力输出方式中能够实现转换不同的两驱四驱方式，同时具有原地发电、巡航和低负荷辅助、行进充电以及制动能量回收等功能，具有更加多样的功能变化，能够高效的利用多余的动能。The purpose of the present invention is to provide a power system of a hybrid electric vehicle, which can make the transmission structure of the power system of the vehicle more compact, and can realize different power output modes and realize the conversion of different two different power output modes in each power output mode. The four-wheel drive mode has functions such as in-situ power generation, cruise and low-load assistance, charging while driving, and energy recovery from braking. It has more diverse functional changes and can efficiently use excess kinetic energy.

为实现上述技术目的，本发明采用的技术方案如下：For realizing above-mentioned technical purpose, the technical scheme that the present invention adopts is as follows:

一种混合动力汽车动力系统，包括第一驱动端和第二驱动端，所述第一驱动端包括有第一驱轴，所述第一驱轴前端连接有发动机，所述发动机与第一驱轴之间设有离合器，所述第二驱动端包括有第二驱轴，所述第一驱轴外侧套设有第一轴套，所述第二驱轴外侧套设有的第二轴套，所述第一轴套外侧和第二轴套外侧共同套设有齿圈，所述第一轴套前端连接有启动电机，所述齿圈前端连接有第一输出端，所述第一轴套后端固定设有第一太阳轮，所述第一驱轴后端设有第一行星传动机构，所述第一行星传动机构分别与第一太阳轮以及齿圈传动连接；A power system for a hybrid electric vehicle, comprising a first drive end and a second drive end, the first drive end includes a first drive shaft, the front end of the first drive shaft is connected to an engine, and the engine and the first drive A clutch is provided between the shafts, the second drive end includes a second drive shaft, a first sleeve is sleeved on the outside of the first drive shaft, and a second sleeve is sleeved on the outside of the second drive shaft , the outer side of the first shaft sleeve and the outer side of the second shaft sleeve are jointly sleeved with a ring gear, the front end of the first shaft sleeve is connected with a starter motor, the front end of the ring gear is connected with a first output end, and the first shaft The rear end of the sleeve is fixed with a first sun gear, and the rear end of the first drive shaft is provided with a first planetary transmission mechanism, and the first planetary transmission mechanism is respectively connected with the first sun gear and the ring gear;

所述第二驱轴后端连接有电动机，所述第二驱轴前端设有第二行星传动机构，所述第二轴套前端设有第二太阳轮，所述第二行星传动机构分别与第二太阳轮以及齿圈传动连接，所述第二轴套后端设有第二输出端，所述第二驱轴与第一驱轴之间还设有联轴机构。The rear end of the second drive shaft is connected to a motor, the front end of the second drive shaft is provided with a second planetary transmission mechanism, the front end of the second bushing is provided with a second sun gear, and the second planetary transmission mechanism is respectively connected to The second sun gear and the ring gear are connected in transmission, the second output end is provided at the rear end of the second bushing, and a coupling mechanism is also provided between the second drive shaft and the first drive shaft.

所述第一行星传动机构包括有第一行星架和若干设置于第一行星架的第一行星轮，所述第一行星轮位于第一太阳轮和齿圈之间且分别与第一太阳轮和齿圈相啮合。The first planetary transmission mechanism includes a first planetary carrier and several first planetary gears arranged on the first planetary carrier. The first planetary gears are located between the first sun gear and the ring gear and are connected to the first sun gear respectively. meshes with the ring gear.

所述第二行星传动机构包括有第二行星架和若干设置于第二行星架的第二行星轮，所述第二行星轮设置于第二太阳轮与齿圈之间且分别与第二太阳轮和齿圈相啮合。The second planetary transmission mechanism includes a second planetary carrier and a number of second planetary gears arranged on the second planetary carrier, and the second planetary gears are arranged between the second sun gear and the ring gear and respectively connected to the second sun gear The gear meshes with the ring gear.

所述齿圈为两级齿圈，所述第一行星轮和第二行星轮分别与齿圈的两级相啮合。The ring gear is a two-stage ring gear, and the first planetary gear and the second planetary gear are respectively meshed with two stages of the ring gear.

所述联轴机构包括有设置于第一驱轴后端的第一联轴键和设置于第二驱轴前端的第二联轴键，所述第一联轴键和第二联轴键之间设有联轴器。The shaft coupling mechanism includes a first shaft coupling key disposed at the rear end of the first drive shaft and a second shaft coupling key disposed at the front end of the second shaft shaft, between the first shaft coupling key and the second shaft coupling key With coupling.

所述启动电机为48VBSG电机。The starter motor is a 48VBSG motor.

本发明的汽车动力系统传动结构结构更加紧凑，并且能够实现不同的动力输出方式以及在各个不同的动力输出方式中能够实现转换不同的两驱四驱方式，同时具有原地发电、巡航和低负荷辅助、行进充电以及制动能量回收等功能，具有更加多样的功能变化，能够高效的利用多余的动能。The transmission structure of the automobile power system of the present invention is more compact, and can realize different power output modes and can realize conversion of different two-wheel drive and four-wheel drive modes in each different power output mode, and has the functions of in-situ power generation, cruising and low load. Functions such as assistance, driving charging, and braking energy recovery have more diverse functional changes and can efficiently utilize excess kinetic energy.

附图说明Description of drawings

本发明可以通过附图给出的非限定性实施例进一步说明；The invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

图1为本发明一种混合动力汽车动力系统实施例的结构示意图；Fig. 1 is the structural representation of a kind of hybrid electric vehicle power system embodiment of the present invention;

主要元件符号说明如下：The main component symbols are explained as follows:

第一驱轴1、发动机2、离合器3、第二驱轴4、第一轴套5、第二轴套6、启动电机7、齿圈8、第一输出端9、第一太阳轮10、第一行星架11、第一行星轮12、电动机13、第二行星架14、第二行星轮15、第二太阳轮16、第二输出端17、第一联轴键18、第二联轴键19、联轴器20。First drive shaft 1, engine 2, clutch 3, second drive shaft 4, first bushing 5, second bushing 6, starter motor 7, ring gear 8, first output end 9, first sun gear 10, First planetary carrier 11, first planetary gear 12, motor 13, second planetary carrier 14, second planetary gear 15, second sun gear 16, second output end 17, first coupling key 18, second coupling Key 19, coupling 20.

具体实施方式Detailed ways

为了使本领域的技术人员可以更好地理解本发明，下面结合附图和实施例对本发明技术方案进一步说明。In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

如图1所示，本发明的一种混合动力汽车动力系统，包括第一驱动端和第二驱动端，第一驱动端包括有第一驱轴1，第一驱轴1前端连接有发动机2，发动机2与第一驱轴1之间设有离合器3，第二驱动端包括有第二驱轴4，第一驱轴1外侧套设有第一轴套5，第二驱轴4外侧套设有的第二轴套6，第一轴套5外侧和第二轴套6外侧共同套设有齿圈8，第一轴套5前端连接有启动电机7，齿圈8前端连接有第一输出端9，第一轴套5后端固定设有第一太阳轮10，第一驱轴1后端设有第一行星传动机构，第一行星传动机构分别与第一太阳轮10以及齿圈8传动连接，第一行星传动机构包括有第一行星架11和若干设置于第一行星架11的第一行星轮12，第一行星轮12位于第一太阳轮10和齿圈8之间且分别与第一太阳轮10和齿圈8相啮合；As shown in Figure 1, a hybrid electric vehicle power system of the present invention includes a first drive end and a second drive end, the first drive end includes a first drive shaft 1, and the front end of the first drive shaft 1 is connected to an engine 2 A clutch 3 is provided between the engine 2 and the first drive shaft 1, the second drive end includes a second drive shaft 4, the first drive shaft 1 is sleeved with a first sleeve 5, and the second drive shaft 4 is sleeved on the outside The second shaft sleeve 6 is provided, the outer side of the first shaft sleeve 5 and the outer side of the second shaft sleeve 6 are jointly sleeved with a ring gear 8, the front end of the first shaft sleeve 5 is connected with a starter motor 7, and the front end of the ring gear 8 is connected with a first The output end 9, the first sun gear 10 is fixed on the rear end of the first shaft sleeve 5, and the first planetary transmission mechanism is installed on the rear end of the first drive shaft 1, and the first planetary transmission mechanism is connected with the first sun gear 10 and the ring gear respectively. 8 transmission connection, the first planetary transmission mechanism includes a first planetary carrier 11 and several first planetary gears 12 arranged on the first planetary carrier 11, the first planetary gears 12 are located between the first sun gear 10 and the ring gear 8 and Mesh with the first sun gear 10 and the ring gear 8 respectively;

第二驱轴4后端连接有电动机13，第二驱轴4前端设有第二行星传动机构，第二轴套6前端设有第二太阳轮16，第二行星传动机构分别与第二太阳轮16以及齿圈8传动连接，第二行星传动机构包括有第二行星架14和若干设置于第二行星架14的第二行星轮15，第二行星轮15设置于第二太阳轮16与齿圈8之间且分别与第二太阳轮16和齿圈8相啮合；The rear end of the second drive shaft 4 is connected with a motor 13, the front end of the second drive shaft 4 is provided with a second planetary transmission mechanism, the front end of the second shaft sleeve 6 is provided with a second sun gear 16, and the second planetary transmission mechanism is connected to the second sun gear respectively. The wheel 16 and the ring gear 8 are connected in transmission. The second planetary transmission mechanism includes a second planetary carrier 14 and a number of second planetary wheels 15 arranged on the second planetary carrier 14. The second planetary wheel 15 is arranged on the second sun gear 16 and the second planetary carrier 14. between the ring gears 8 and are respectively meshed with the second sun gear 16 and the ring gear 8;

第二轴套6后端设有第二输出端17，第二驱轴4与第一驱轴1之间还设有联轴机构，联轴机构包括有设置于第一驱轴1后端的第一联轴键18和设置于第二驱轴4前端的第二联轴键19，第一联轴键18和第二联轴键19之间设有联轴器20。The rear end of the second shaft sleeve 6 is provided with a second output end 17, and a coupling mechanism is also provided between the second drive shaft 4 and the first drive shaft 1. A coupling key 18 and a second coupling key 19 arranged at the front end of the second drive shaft 4 , and a coupling 20 is provided between the first coupling key 18 and the second coupling key 19 .

采用本发明技术方案的汽车动力系统，具有如下的功能：The automobile power system adopting the technical solution of the present invention has the following functions:

①发动机2作为单独的动力输出时：① When engine 2 is used as a separate power output:

齿圈8锁死，第一联轴键18、第二联轴键19和联轴器20之间断开连接，使第一驱轴1和第二驱轴4之间断开，启动电机7的48VBSG电机启动，带动第一轴套5的第一太阳轮10转动，从而使第一行星轮12带动第一行星架11转动，从而使第一驱轴1转动，使发动机2转速由零快速增加至怠速以上，使汽车快速启动；当汽车采用第一输出端9输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，将第二行星架14和第二太阳轮16锁死，发动机2的动力通过第一驱轴1、第一太阳轮10、第一行星架11和第一行星轮12将动力传动至齿圈8中，从而将动力从第一输出端9输出；当汽车采用第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间连接，将齿圈8锁死，发动机2的动力通过第一驱轴1传递至第二驱轴4，由第二驱轴4将动力通过第二行星架14和第二行星轮15传递至第二太阳轮16，从而使动力从第二轴套6的第二输出端17输出；当汽车同时采用第一输出端9和第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，发动机2的动力通过第一驱轴1通过第一太阳轮10、第一行星架11和第一行星轮12将动力输出至齿圈8，使第一输出端9输出动力的同时，齿圈8会通过第二行星架14和第二行星轮15将动力传递至第二太阳轮16，从而使第二输出端17输出动力；The ring gear 8 is locked, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected, so that the first drive shaft 1 and the second drive shaft 4 are disconnected, and the 48VBSG of the motor 7 is started The motor starts to drive the first sun gear 10 of the first shaft sleeve 5 to rotate, so that the first planetary gear 12 drives the first planet carrier 11 to rotate, thereby causing the first drive shaft 1 to rotate, and the speed of the engine 2 to rapidly increase from zero to Above the idling speed, the automobile is quickly started; when the automobile adopts the first output terminal 9 to output power, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected, and the second planetary carrier 14 and The second sun gear 16 is locked, and the power of the engine 2 is transmitted to the ring gear 8 through the first drive shaft 1, the first sun gear 10, the first planetary carrier 11 and the first planetary gear 12, thereby transferring the power from the first One output end 9 outputs; When the automobile adopts the second output end 17 to output power, connect between the first shaft coupling key 18, the second shaft coupling key 19 and the shaft coupling 20, the ring gear 8 is locked, and the engine 2 The power is transmitted to the second drive shaft 4 through the first drive shaft 1, and the power is transmitted from the second drive shaft 4 to the second sun gear 16 through the second planet carrier 14 and the second planetary gear 15, so that the power is transmitted from the second shaft The second output end 17 of the sleeve 6 outputs; when the automobile uses the first output end 9 and the second output end 17 to output power at the same time, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected connected, the power of the engine 2 is output to the ring gear 8 through the first drive shaft 1 through the first sun gear 10, the first planet carrier 11 and the first planet gear 12, so that the first output end 9 outputs power while the gear The ring 8 transmits power to the second sun gear 16 through the second planet carrier 14 and the second planetary gear 15, so that the second output end 17 outputs power;

②电动机13作为单独的动力输出时：② When the electric motor 13 is used as a separate power output:

当汽车采用第一输出端9输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，将第二太阳轮16锁死，电动机13的动力输出至第二驱轴4，第二驱轴4通过第二行星架14和第二行星轮15将动力传递至齿圈8，从而将动力从第一输出端9输出；当汽车采用第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，将齿圈8锁死，电动机13的动力输出至第二驱轴4，第二驱轴4通过第二行星架14、第二行星轮15和第二太阳轮16将动力传递至第二轴套6，从而将动力通过第二输出端17输出；当汽车同时采用第一输出端9和第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，电动机13的动力输出至第二驱轴4，第二驱轴4通过第二行星架14和第二行星轮15，将动力传递至第二太阳轮16和齿圈8，第二太阳轮16通过第二输出端17将动力输出，齿圈8通过第一输出端9将动力输出；When the automobile adopts the first output end 9 to output power, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected, the second sun gear 16 is locked, and the power of the motor 13 is output to The second drive shaft 4, the second drive shaft 4 transmits power to the ring gear 8 through the second planet carrier 14 and the second planetary gear 15, thereby outputting the power from the first output end 9; when the automobile adopts the second output end 17 When outputting power, the first coupling key 18, the second coupling key 19 and the shaft coupling 20 are disconnected, the ring gear 8 is locked, and the power of the motor 13 is output to the second drive shaft 4, and the second drive shaft 4. The power is transmitted to the second bushing 6 through the second planetary carrier 14, the second planetary gear 15 and the second sun gear 16, so that the power is output through the second output end 17; when the automobile uses the first output end 9 and the When the second output end 17 outputs power, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected, and the power of the motor 13 is output to the second drive shaft 4, and the second drive shaft 4 passes through The second planet carrier 14 and the second planetary gear 15 transmit power to the second sun gear 16 and the ring gear 8, the second sun gear 16 outputs power through the second output end 17, and the ring gear 8 passes through the first output end 9 output power;

③同时使用发动机2和电动机13作为动力输出时：③ When using the engine 2 and the electric motor 13 as power output at the same time:

当汽车采用第一输出端9输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，将第二太阳轮16锁死，发动机2的动力通过第一驱轴1传递至齿圈8，同时，电动机13的动力通过第二驱轴4传递至齿圈8，齿圈8将动力通过第一输出端9输出；当汽车采用第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间连接，将齿圈8锁死，发动机2的动力先由第一驱轴1传递至第二驱轴4，再由第二驱轴4将动力通过第二输出端17输出，同时，电动机13的动力通过第二驱轴4直接传递至第二输出端17输出；当汽车同时采用第一输出端9和第二输出端17输出动力时，第一联轴键18、第二联轴键19和联轴器20之间断开连接，发动机2的动力通过第一驱轴1传递至齿圈8，通过第一输出端9将动力输出，电动机13的动力通过第二驱轴4传递至第二轴套6，通过第二输出端17将动力输出。在发动机2工作中，第一驱轴1的输出扭矩要求较高时，启动电机7的48VBSG电机处于用电运行状态，输出辅助动力至第一轴套5，从而能够对发动机2的输出扭矩进行辅助；第一驱轴1的输出扭矩要求较低时，发动机2的输出功率溢出，此时，多余的输出功率将带动启动电机7的48VBSG电机转动，从而对48VBSG电机的48V蓄电池进行充电；When the automobile adopts the first output end 9 to output power, the first coupling key 18, the second coupling key 19 and the coupling 20 are disconnected, the second sun gear 16 is locked, and the power of the engine 2 passes through the second A drive shaft 1 is transmitted to the ring gear 8, and at the same time, the power of the motor 13 is transmitted to the ring gear 8 through the second drive shaft 4, and the ring gear 8 outputs the power through the first output end 9; when the car uses the second output end 17 to output When powered, the first coupling key 18, the second coupling key 19 and the coupling 20 are connected to lock the ring gear 8, and the power of the engine 2 is first transmitted from the first drive shaft 1 to the second drive shaft 4 , and then the power is output by the second drive shaft 4 through the second output end 17, and at the same time, the power of the motor 13 is directly transmitted to the second output end 17 for output through the second drive shaft 4; when the automobile simultaneously uses the first output end 9 and When the second output end 17 outputs power, the connection between the first coupling key 18, the second coupling key 19 and the coupling 20 is disconnected, and the power of the engine 2 is transmitted to the ring gear 8 through the first drive shaft 1. An output end 9 outputs the power, the power of the motor 13 is transmitted to the second bushing 6 through the second drive shaft 4 , and the power is output through the second output end 17 . When the engine 2 is working, when the output torque requirement of the first drive shaft 1 is relatively high, the 48VBSG motor of the starter motor 7 is in the running state of electricity, and the auxiliary power is output to the first shaft sleeve 5, thereby the output torque of the engine 2 can be adjusted. Auxiliary: when the output torque requirement of the first drive shaft 1 is low, the output power of the engine 2 overflows, and at this time, the excess output power will drive the 48VBSG motor of the starter motor 7 to rotate, thereby charging the 48V battery of the 48VBSG motor;

④原地发电：④ In-situ power generation:

第一联轴键18、第二联轴键19和联轴器20之间连接，将齿圈8和第二太阳轮16锁死，发动机2输出动力，车辆将保持原地不动的状态，第一驱轴1会将动力传递至第一轴套6和第二驱轴4，第一轴套6输出的动力使48VBSG电机转动，从而对48V蓄电池进行充电，第二驱轴4输出的动力能够带动电动机13转动，从而对车辆驱动电池进行充电；The first coupling key 18, the second coupling key 19 and the coupling 20 are connected, the ring gear 8 and the second sun gear 16 are locked, the engine 2 outputs power, and the vehicle will remain in place. The first drive shaft 1 will transmit the power to the first shaft sleeve 6 and the second drive shaft 4, the power output by the first shaft sleeve 6 makes the 48VBSG motor rotate, thereby charging the 48V battery, and the power output by the second drive shaft 4 Can drive the motor 13 to rotate, thereby charging the vehicle drive battery;

⑤巡航和低负荷状态：⑤ Cruise and low load status:

发动机2停止工作，由启动电机7的48VBSG电机提供很小的输出动力，维持巡航和低负荷状态所需动力；The engine 2 stops working, and the 48VBSG motor of the starter motor 7 provides a small output power to maintain the power required for cruising and low load status;

⑥行进中充电：⑥ Charging during travel:

在第一输出端9和第二输出端17的转动时，能够分别驱动启动电机7的48VBSG电机以及电动机13转动，从而在车辆的行进过程中，能够对48V蓄电池和车辆驱动电池充电；When the first output end 9 and the second output end 17 rotate, the 48VBSG motor and the electric motor 13 of the starter motor 7 can be driven to rotate respectively, so that the 48V storage battery and the vehicle drive battery can be charged during the running of the vehicle;

⑦制动能量回收：⑦ Braking energy recovery:

车辆在制动减速时，车辆轮毂带动电动机13转动，使车辆的制动能量能够通过电动机13转动为车辆蓄电池充电；When the vehicle is braking and decelerating, the wheel hub of the vehicle drives the motor 13 to rotate, so that the braking energy of the vehicle can be rotated by the motor 13 to charge the vehicle battery;

本发明能够使汽车动力系统传动结构结构更加紧凑，并且能够实现不同的动力输出方式以及在各个不同的动力输出方式中能够实现转换不同的两驱四驱方式，同时具有原地发电、巡航和低负荷辅助、行进充电以及制动能量回收等功能，具有更加多样的功能变化，能够高效的利用多余的动能。The present invention can make the transmission structure of the automobile power system more compact, and can realize different power output modes and realize conversion of different two-wheel drive and four-wheel drive modes in each different power output mode, and has the functions of in-situ power generation, cruising and low-speed driving. Functions such as load assist, driving charging, and braking energy recovery have more diverse functional changes and can efficiently utilize excess kinetic energy.

请参阅图1，齿圈8为两级齿圈，第一行星轮12和第二行星轮15分别与齿圈8的两级相啮合。Please refer to FIG. 1 , the ring gear 8 is a two-stage ring gear, and the first planetary gear 12 and the second planetary gear 15 mesh with the two stages of the ring gear 8 respectively.

同时，启动电机7为48VBSG电机。这样的方式，采用48VBSG电机通过皮带传动在极短时间内将发动机转速由零增加至怠速以上，从而实现汽车的快速起停。Meanwhile, the starter motor 7 is a 48VBSG motor. In this way, the 48VBSG motor is used to increase the engine speed from zero to above the idle speed in a very short time through the belt drive, so as to realize the rapid start and stop of the car.

上述实施例仅示例性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention shall still be covered by the claims of the present invention.

Claims (6)

1. The utility model provides a hybrid vehicle driving system, includes first drive end and second drive end, first drive end is including first drive shaft, first drive shaft front end is connected with the engine, be equipped with the clutch between engine and the first drive shaft, the second drive end is including the second drive shaft, its characterized in that: the first shaft sleeve is sleeved outside the first driving shaft, the second shaft sleeve is sleeved outside the second driving shaft, a gear ring is sleeved outside the first shaft sleeve and the second shaft sleeve together, the front end of the first shaft sleeve is connected with a starting motor, the front end of the gear ring is connected with a first output end, the rear end of the first shaft sleeve is fixedly provided with a first sun gear, the rear end of the first driving shaft is provided with a first planetary transmission mechanism, and the first planetary transmission mechanism is respectively in transmission connection with the first sun gear and the gear ring;
the rear end of the second driving shaft is connected with a motor, the front end of the second driving shaft is provided with a second planetary transmission mechanism, the front end of the second sleeve is provided with a second sun gear, the second planetary transmission mechanism is respectively in transmission connection with the second sun gear and the gear ring, the rear end of the second sleeve is provided with a second output end, and a coupling mechanism is further arranged between the second driving shaft and the first driving shaft.
2. A hybrid vehicle powertrain according to claim 1, wherein: the first planetary transmission mechanism comprises a first planet carrier and a plurality of first planet gears arranged on the first planet carrier, wherein the first planet gears are positioned between the first sun gear and the gear ring and meshed with the first sun gear and the gear ring respectively.
3. A hybrid vehicle powertrain according to claim 2, wherein: the second planetary transmission mechanism comprises a second planet carrier and a plurality of second planet gears arranged on the second planet carrier, and the second planet gears are arranged between the second sun gear and the gear ring and meshed with the second sun gear and the gear ring respectively.
4. A hybrid vehicle powertrain according to claim 3, wherein: the gear ring is a two-stage gear ring, and the first planet wheel and the second planet wheel are respectively meshed with two stages of the gear ring.
5. A hybrid vehicle powertrain according to claim 4, wherein: the coupling mechanism comprises a first coupling key arranged at the rear end of the first driving shaft and a second coupling key arranged at the front end of the second driving shaft, and a coupling is arranged between the first coupling key and the second coupling key.
6. A hybrid vehicle powertrain according to claim 1, wherein: the starting motor is a 48V BSG motor.
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