CN114475282B - A power system of an extended-range electric vehicle - Google Patents

A power system of an extended-range electric vehicle Download PDF

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CN114475282B
CN114475282B CN202011161514.7A CN202011161514A CN114475282B CN 114475282 B CN114475282 B CN 114475282B CN 202011161514 A CN202011161514 A CN 202011161514A CN 114475282 B CN114475282 B CN 114475282B
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controller
vehicle
range
hub motor
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CN114475282A (en
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鲁大钢
衣丰艳
周稼铭
高岩飞
王金波
林海
申阳
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Shandong Haike Vehicle Industry Co ltd
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Shandong Jiaotong University
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    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • 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
    • B60K6/46—Series type
    • 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
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
    • 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
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/72—Electric energy management in electromobility

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

Abstract

The invention discloses a range-extending type electric automobile power system, which comprises: the driving system comprises two half-shaft inner rotor hub motors, automobile wheels, wheel-side reducers and hub motor controllers, wherein the range extender comprises two-cylinder horizontally opposite engines, a starting/power generation integrated machine controller, two-cylinder horizontally opposite engine controllers and an oil tank. The invention takes the two-cylinder horizontally opposed engine as power input, takes the solid-state battery as an electric energy storage device, takes the hub motor as the driving force for the automobile, has the advantages of high space utilization rate, high transmission efficiency, good NVH performance and the like, and reduces the quality of the whole automobile; the switching of the three working modes ensures that the automobile has better dynamic property on the premise of ensuring low oil consumption.

Description

一种增程式电动汽车动力系统A power system of an extended-range electric vehicle

技术领域technical field

本发明涉及一种增程式电动汽车领域，尤其涉及一种增程式电动汽车动力系统。The invention relates to the field of an extended-range electric vehicle, in particular to a power system of an extended-range electric vehicle.

背景技术Background technique

增程式电动汽车由于增程器与传动系统无机械连接，发动机可以工作在最佳燃油区域，具有较好的燃油经济性，但其较纯电动汽车增加了增程器，比传统燃油汽车增加了动力电池，结构更复杂，空间更紧凑。如何在保证增程式电动汽车动力性和燃油经济性的前提下，优化动力系统，简化汽车结构，降低整车质量，节约更多空间，是本领域中亟待解决的问题。Range-extended electric vehicles have no mechanical connection between the range extender and the transmission system, and the engine can work in the optimal fuel area, which has better fuel economy. However, it adds a range extender to pure electric vehicles and increases The power battery has a more complex structure and a more compact space. How to optimize the power system, simplify the structure of the vehicle, reduce the quality of the vehicle and save more space on the premise of ensuring the power and fuel economy of the extended-range electric vehicle is an urgent problem in this field.

发明专利CN110667405A提出了一种增程式新能源电动汽车动力系统，该发明专利存在的不足有：1)只提出二缸水平对置式发动机和超级电容电池在增程式电动汽车的应用，未能明显起到节约汽车空间的作用；2)传动系统较多，整车质量较重。发明专利CN101870264B提供了一种采用微型燃气轮机发电机组的增程式纯电动汽车，该发明专利存在的不足有：1)只提供通过微型燃气轮机发电机组发电来增加车辆的行驶里程，未能提供简化汽车结构的方案，增加了储气罐，反而使整车空间布局更为紧张。Invention patent CN110667405A proposes a power system for an extended-range new energy electric vehicle. The disadvantages of this invention patent are: 1) It only proposes the application of a two-cylinder horizontally opposed engine and a supercapacitor battery in an extended-range electric vehicle, but fails to significantly improve 2) There are many transmission systems, and the vehicle quality is heavier. Invention patent CN101870264B provides a range-extended pure electric vehicle using a micro gas turbine generator set. The disadvantages of this invention patent are: 1) It only provides power generation through a micro gas turbine generator set to increase the mileage of the vehicle, and fails to provide simplified vehicle structure According to the scheme, the gas storage tank is added, which makes the space layout of the vehicle more tense.

发明内容Contents of the invention

为解决上述技术问题，本发明提供一种增程式电动汽车动力系统，目的旨在保证增程式电动汽车动力性和燃油经济性的前提下，使汽车NVH性能更好、结构更为简单、空间利用率更好以及传动效率更高。In order to solve the above-mentioned technical problems, the present invention provides a power system of an extended-range electric vehicle, the purpose of which is to ensure better NVH performance, simpler structure, and space utilization of the extended-range electric vehicle under the premise of ensuring the power and fuel economy of the extended-range electric vehicle. Better rate and higher transmission efficiency.

本发明的目的是通过以下技术手段实现的：The purpose of the present invention is achieved by the following technical means:

一种增程式电动汽车动力系统包括：驱动系统、增程器、整车控制器、电池管理系统、固态电池、电源分配单元、驾驶员信息接口、充电装置、DC/DC转换器、蓄电池和车速传感器，所述驱动系统包括两个半轴内转子轮毂电机、汽车车轮、轮边减速器和轮毂电机控制器，所述增程器包括二缸水平对置式发动机、启动/发电一体机、启动/发电一体机控制器、二缸水平对置式发动机控制器和油箱。An extended-range electric vehicle power system includes: drive system, range extender, vehicle controller, battery management system, solid-state battery, power distribution unit, driver information interface, charging device, DC/DC converter, battery and vehicle speed sensor, the drive system includes two half-shaft internal rotor hub motors, automobile wheels, wheel-side reducers and hub motor controllers, and the range extender includes a two-cylinder horizontally opposed engine, a starter/generator integrated machine, a starter/ Generator integrated machine controller, two-cylinder horizontally opposed engine controller and fuel tank.

所述驱动系统中，两个半轴内转子轮毂电机分别与安装在汽车车轮上的轮边减速器10相连，并通过交流高压线束与轮毂电机控制器相连；所述增程器中，二缸水平对置式发动机与启动/发电一体机机械连接，启动/发电一体机通过交流高压线束与启动/发电一体机控制器相连，二缸水平对置式发动机控制器和油箱与二缸水平对置式发动机相连；电源分配单元通过直流高压线束分别与启动/发电一体机控制器、固态电池、轮毂电机控制器和DC/DC转换器相连，DC/DC转换器通过直流高压线束与蓄电池相连，固态电池分别与电池管理系统和充电装置相连；所述轮毂电机控制器、二缸水平对置式发动机控制器、电池管理系统、启动/发电一体机控制器、驾驶员信息接口和车速传感器通过CAN总线与整车控制器相连接。In the drive system, the two semi-axis inner rotor hub motors are respectively connected to the wheel reducer 10 installed on the vehicle wheel, and are connected to the hub motor controller through the AC high-voltage wire harness; in the range extender, the two-cylinder The horizontally opposed engine is mechanically connected to the starter/generator integrated machine, the starter/generator integrated machine is connected to the controller of the starter/generator integrated machine through the AC high-voltage wire harness, and the two-cylinder horizontally opposed engine controller and fuel tank are connected to the two-cylinder horizontally opposed engine ; The power distribution unit is connected to the starter/generator integrated machine controller, solid-state battery, in-wheel motor controller and DC/DC converter through the DC high-voltage wire harness, the DC/DC converter is connected to the battery through the DC high-voltage wire harness, and the solid-state battery is connected to the The battery management system is connected to the charging device; the hub motor controller, the two-cylinder horizontally opposed engine controller, the battery management system, the starter/generator integrated machine controller, the driver information interface and the vehicle speed sensor communicate with the vehicle control system through the CAN bus. connected to the device.

本申请以二缸水平对置式发动机为动力输入，以固态电池为所述增程式电动汽车动力系统的电能储存装置，以半轴内转子轮毂电机带动轮边减速器驱动汽车车轮，减低了整车质量，省略了大量的传动部件，使汽车结构更加简化，节省出更多的空间。This application uses a two-cylinder horizontally opposed engine as the power input, uses a solid-state battery as the electric energy storage device of the power system of the extended-range electric vehicle, and uses a half-axis inner rotor hub motor to drive the wheel speed reducer to drive the vehicle wheels, reducing the overall vehicle load. quality, omitting a large number of transmission components, which simplifies the car structure and saves more space.

所述固态电池电解质材料可为硫化物系材料或石榴石型氧化物系材料；所述固态电池个数为若干个，所述若干个固态电池之间串联。The electrolyte material of the solid-state battery can be a sulfide-based material or a garnet-type oxide-based material; the number of the solid-state batteries is several, and the several solid-state batteries are connected in series.

所述增程式电动汽车动力系统包括三种工作模式，分别为纯电动驱动模式、增程器单独驱动模式与混合驱动模式。其模式的切换主要是通过固态电池的电池荷电状态SOC值、增程式电动汽车的当前车速以及轮毂电机的需求扭矩来确定。The power system of the range-extended electric vehicle includes three working modes, which are pure electric drive mode, range extender independent drive mode and hybrid drive mode. The switching of its mode is mainly determined by the SOC value of the battery state of charge of the solid-state battery, the current speed of the extended-range electric vehicle, and the required torque of the hub motor.

在纯电动驱动模式下，电池管理系统监控固态电池荷电状态，并通过CAN总线与整车控制器通信，当监控到固态电池的SOC值在正常阈值范围(30％～90％)内，此时整车控制器与二缸水平对置式发动机控制器通信，二缸水平对置式发动机控制器控制二缸水平对置式发动机停止工作，此时增程器停止工作，增程式电动汽车工作原理与纯电动汽车工作原理相似，电源分配单元将固态电池的直流电通过轮毂电机控制器转化为交流电，并给轮毂电机供电，轮毂电机通过轮边减速器带动汽车车轮转动，驱动汽车行驶。In the pure electric driving mode, the battery management system monitors the state of charge of the solid-state battery and communicates with the vehicle controller through the CAN bus. When the monitored SOC value of the solid-state battery is within the normal threshold range (30% to 90%), When the vehicle controller communicates with the two-cylinder horizontally opposed engine controller, the two-cylinder horizontally opposed engine controller controls the two-cylinder horizontally opposed engine to stop working. At this time, the range extender stops working. The working principle of the extended range electric vehicle is similar to that of pure The working principle of electric vehicles is similar. The power distribution unit converts the DC power of the solid-state battery into AC power through the hub motor controller, and supplies power to the hub motor. The hub motor drives the wheels of the car through the wheel reducer to drive the car.

在增程器单独驱动模式下，整车控制器通过CAN总线通信车速传感器和驾驶员信息接口，获取增程式电动汽车当前车速，并对驾驶员信息接口中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机的需求扭矩，当增程式电动汽车的当前车速和轮毂电机的需求扭矩都低于各自的预设阈值时，且电池管理系统监控到固态电池的荷电状态SOC值低于最小阈值，并通过CAN总线与整车控制器通信，整车控制器通信启动/发电一体机控制器，使其控制二缸水平对置式发动机启动，二缸水平对置式发动机工作后带动启动/发电一体机发电，并且二缸水平对置式发动机控制器控制二缸水平对置式发动机工作在最佳燃油区间，产生的电能一部分通过电源分配单元输送至轮毂电机控制器来控制轮毂电机驱动汽车行驶，剩余部分可通过电源分配单元输送至固态电池储存，亦可通过电源分配单元经DC/DC转换器将电能输送至蓄电池储存，供其它车载用电设备用电。In the single drive mode of the range extender, the vehicle controller communicates with the vehicle speed sensor and the driver information interface through the CAN bus to obtain the current speed of the range-extended electric vehicle, and performs an operation on the accelerator pedal signal and the brake pedal signal in the driver information interface. Analyze to obtain the required torque of the hub motor. When the current speed of the extended-range electric vehicle and the required torque of the hub motor are lower than their respective preset thresholds, and the battery management system monitors that the SOC value of the solid-state battery is lower than the minimum Threshold, and communicate with the vehicle controller through the CAN bus, the vehicle controller communicates with the starter/generator integrated machine controller, so that it controls the start of the two-cylinder horizontally opposed engine, and the two-cylinder horizontally opposed engine drives the start/generator after it works. generator, and the two-cylinder horizontally opposed engine controller controls the two-cylinder horizontally opposed engine to work in the optimal fuel range, part of the generated electric energy is sent to the hub motor controller through the power distribution unit to control the hub motor to drive the car, and the rest It can be delivered to the solid-state battery for storage through the power distribution unit, and can also be delivered to the storage battery through the DC/DC converter through the power distribution unit for other on-board electrical equipment to use.

在混合驱动模式下，整车控制器通过CAN总线通信车速传感器和驾驶员信息接口，获取增程式电动汽车当前车速，并对驾驶员信息接口中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机的需求扭矩，当增程式电动汽车的当前车速和轮毂电机的需求扭矩都高于各自的预设阈值时，或分别高于各自的预设阈值时，整车控制器通信启动/发电一体机控制器和电池管理系统并解析出前一阶段增程式电动汽车是处于纯电动驱动模式还是增程式单独驱动模式，若整车控制器解析出前一阶段工作模式是纯电动驱动模式时，整车控制器通信启动/发电一体机控制器控制启动/发电一体机带动二缸水平对置式发动机工作，二缸水平对置式发动机工作后带动启动/发电一体机发电，并且二缸水平对置式发动机控制器控制二缸水平对置式发动机工作在最佳燃油区间，产生的电能通过电源分配单元输送至轮毂电机控制器，此时电池管理系统管理固态电池将电能通过电源分配单元输送至轮毂电机控制器；若整车控制器解析出前一阶段工作模式是增程器单独驱动模式时，整车控制器通信电池管理系统，电池管理系统管理固态电池不再接受来自电源分配单元的电能，并管理固态电池通过电源分配单元向轮毂电机控制器供电；在该模式下，由固态电池和增程器输送的电能经电源分配单元传送至轮毂电机控制器，轮毂电机控制器使直流电转化为三相交流电给轮毂电机供电，使其带动轮边减速器驱动汽车行驶。In the hybrid driving mode, the vehicle controller communicates with the vehicle speed sensor and the driver information interface through the CAN bus to obtain the current vehicle speed of the extended-range electric vehicle, and analyzes the accelerator pedal signal and brake pedal signal in the driver information interface to obtain The required torque of the in-wheel motor, when the current speed of the extended-range electric vehicle and the required torque of the in-wheel motor are both higher than their respective preset thresholds, or when they are respectively higher than their respective preset thresholds, the vehicle controller communicates to start/power generation Machine controller and battery management system and analyze whether the extended-range electric vehicle in the previous stage is in the pure electric drive mode or the extended-range independent drive mode. The starter/generator integrated machine controller controls the starter/generator integrated machine to drive the two-cylinder horizontally opposed engine to work. The two-cylinder horizontally opposed engine works in the optimal fuel range, and the generated electric energy is sent to the hub motor controller through the power distribution unit. At this time, the battery management system manages the solid-state battery and sends the electric energy to the hub motor controller through the power distribution unit; When the vehicle controller analyzes that the working mode in the previous stage is the single drive mode of the range extender, the vehicle controller communicates with the battery management system, and the battery management system manages that the solid-state battery no longer receives power from the power distribution unit, and manages the solid-state battery through power distribution. The unit supplies power to the hub motor controller; in this mode, the electric energy delivered by the solid-state battery and the range extender is transmitted to the hub motor controller through the power distribution unit, and the hub motor controller converts direct current into three-phase alternating current to supply power to the hub motor. Make it drive the wheel reducer to drive the car.

在汽车普通制动或长距离制动时，轮毂电机扭矩和汽车速度方向相反，具有第四象限工作原理的轮毂电机起到发电机的作用，使机械能转化为电能并储存到固态电池里，实现部分制动能量回收的效果。When the car is braking normally or for a long distance, the torque of the hub motor is in the opposite direction to the speed of the car. The hub motor with the fourth quadrant working principle acts as a generator, converting mechanical energy into electrical energy and storing it in the solid-state battery. Effect of partial braking energy recovery.

与现有技术相比，本发明具有如下的有益成果：Compared with the prior art, the present invention has the following beneficial results:

1)相较于传统增程式电动汽车，该发明采用轮毂电机作为增程式电动汽车的驱动电机，空间利用率更好，传动效率更高，整车质量更轻。1) Compared with traditional extended-range electric vehicles, this invention uses in-wheel motors as the driving motors of extended-range electric vehicles, which has better space utilization, higher transmission efficiency, and lighter vehicle weight.

2)该发明采用固态电池作为增程式电动汽车的电能储存单位，相比于传统的锂电池，其安全性更高，能量密度更大，体积更小，更适用于增程式电动汽车。2) The invention uses a solid-state battery as the electric energy storage unit of the extended-range electric vehicle. Compared with the traditional lithium battery, it has higher safety, higher energy density, and smaller volume, and is more suitable for the extended-range electric vehicle.

3)该发明采用二缸水平对置式发动机带动启动/发电一体机发电的增程器，结构简单，体积小，行驶稳定，NVH性能好。3) The invention adopts a two-cylinder horizontally opposed engine to drive a range extender with a starter/generator integrated machine for power generation, which has a simple structure, small size, stable driving and good NVH performance.

4)该发明所述增程式电动汽车动力系统包括三种工作模式，三种不同工作模式的切换可以使增程式电动汽车在保证燃油经济性的前提下，拥有较好的动力性。4) The power system of the extended-range electric vehicle in this invention includes three working modes, and the switching of the three different working modes can make the extended-range electric vehicle have better power performance under the premise of ensuring fuel economy.

附图说明：Description of drawings:

图1为一种增程式电动汽车动力系统的示意图。FIG. 1 is a schematic diagram of a power system of an extended-range electric vehicle.

图中：1-整车控制器、2-二缸水平对置式发动机、3-启动/发电一体机、4-启动/发电一体机控制器、5-电池管理系统、6-固态电池、7-电源分配单元、8-轮毂电机控制器、9-汽车车轮、10-轮边减速器、11-轮毂电机、12-驾驶员信息接口、13-二缸水平对置式发动机控制器、14-油箱、15-充电装置、16-DC/DC转换器、17-蓄电池、18-增程器、19-驱动系统、20-车速传感器。In the figure: 1-vehicle controller, 2-two-cylinder horizontally opposed engine, 3-starting/generating integrated machine, 4-starting/generating integrated machine controller, 5-battery management system, 6-solid-state battery, 7- Power distribution unit, 8-hub motor controller, 9-car wheel, 10-wheel side reducer, 11-hub motor, 12-driver information interface, 13-two-cylinder horizontally opposed engine controller, 14-fuel tank, 15-charging device, 16-DC/DC converter, 17-battery, 18-range extender, 19-drive system, 20-vehicle speed sensor.

具体实施方式：Detailed ways:

下面将结合附图对本发明的技术方案做出进一步的详尽阐释。The technical solutions of the present invention will be further explained in detail below in conjunction with the accompanying drawings.

如图1所示，一种增程式电动汽车动力系统包括：驱动系统19、增程器18、整车控制器1、电池管理系统5、固态电池6、电源分配单元7、驾驶员信息接口12、充电装置15、DC/DC转换器16、蓄电池17和车速传感器20，所述驱动系统19包括两个半轴内转子轮毂电机11、汽车车轮9、轮边减速器10和轮毂电机控制器8，所述增程器18包括二缸水平对置式发动机2、启动/发电一体机3、启动/发电一体机控制器4、二缸水平对置式发动机控制器13和油箱14。As shown in Figure 1, a power system of an extended-range electric vehicle includes: a drive system 19, a range extender 18, a vehicle controller 1, a battery management system 5, a solid-state battery 6, a power distribution unit 7, and a driver information interface 12 , charging device 15, DC/DC converter 16, storage battery 17 and vehicle speed sensor 20, described driving system 19 comprises two semi-shaft internal rotor hub motors 11, automobile wheels 9, wheel edge reducer 10 and hub motor controller 8 , the range extender 18 includes a two-cylinder boxer engine 2 , a starter/generator integrated machine 3 , a starter/generator integrated machine controller 4 , a two-cylinder boxer engine controller 13 and a fuel tank 14 .

如图1所示，所述驱动系统19中，两个半轴内转子轮毂电机11分别与安装在汽车车轮9上的轮边减速器10相连，并通过交流高压线束与轮毂电机控制器8相连；所述增程器18中，二缸水平对置式发动机2与启动/发电一体机3机械连接，启动/发电一体机3通过交流高压线束与启动/发电一体机控制器4相连，二缸水平对置式发动机控制器13和油箱14与二缸水平对置式发动机2相连；电源分配单元7通过直流高压线束分别与启动/发电一体机控制器4、固态电池6、轮毂电机控制器8和DC/DC转换器16相连，DC/DC转换器16通过直流高压线束与蓄电池17相连，固态电池6分别与电池管理系统5和充电装置15相连；所述轮毂电机控制器8、二缸水平对置式发动机控制器13、电池管理系统5、启动/发电一体机控制器4、驾驶员信息接口12和车速传感器20通过CAN总线与整车控制器1相连接。As shown in Figure 1, in the drive system 19, two half-shaft inner rotor hub motors 11 are respectively connected to the wheel side reducer 10 installed on the vehicle wheel 9, and are connected to the hub motor controller 8 through the AC high voltage wire harness ; In the range extender 18, the two-cylinder horizontally opposed engine 2 is mechanically connected to the starter/generator integrated machine 3, and the starter/generator integrated machine 3 is connected to the starter/generator integrated machine controller 4 through the AC high-voltage wire harness. The opposed engine controller 13 and the fuel tank 14 are connected to the two-cylinder horizontally opposed engine 2; the power distribution unit 7 is respectively connected to the controller 4 of the starter/generator integrated machine, the solid state battery 6, the hub motor controller 8 and the DC/ The DC converter 16 is connected, the DC/DC converter 16 is connected with the storage battery 17 through the DC high-voltage wire harness, and the solid-state battery 6 is connected with the battery management system 5 and the charging device 15 respectively; the hub motor controller 8, the two-cylinder boxer engine The controller 13 , the battery management system 5 , the starter/generator integrated machine controller 4 , the driver information interface 12 and the vehicle speed sensor 20 are connected to the vehicle controller 1 through the CAN bus.

本申请以二缸水平对置式发动机2为动力输入，以固态电池6为所述增程式电动汽车动力系统的电能储存装置，以半轴内转子轮毂电机11带动轮边减速器10驱动汽车车轮9，减低了整车质量，省略了大量的传动部件，使汽车结构更加简化，节省出更多的空间。In this application, a two-cylinder horizontally opposed engine 2 is used as the power input, a solid-state battery 6 is used as the electric energy storage device of the power system of the extended-range electric vehicle, and a half-axis inner rotor hub motor 11 is used to drive the wheel speed reducer 10 to drive the vehicle wheel 9 , reduces the mass of the whole vehicle, omits a large number of transmission components, simplifies the structure of the vehicle and saves more space.

在本实施例中，所述固态电池6电解质材料可为硫化物系材料或石榴石型氧化物系材料；所述固态电池6个数为若干个，所述若干个固态电池6之间串联。In this embodiment, the electrolyte material of the solid-state battery 6 can be a sulfide-based material or a garnet-type oxide-based material; the number of the solid-state batteries 6 is several, and the several solid-state batteries 6 are connected in series.

在本实施例中，所述增程式电动汽车动力系统包括三种工作模式，分别为纯电动驱动模式、增程器单独驱动模式与混合驱动模式。其模式的切换主要是通过固态电池6的电池荷电状态SOC值、增程式电动汽车的当前车速以及轮毂电机11的需求扭矩来确定。In this embodiment, the power system of the range-extended electric vehicle includes three working modes, which are pure electric drive mode, range extender independent drive mode and hybrid drive mode. The mode switch is mainly determined by the SOC value of the battery state of charge of the solid-state battery 6 , the current speed of the extended-range electric vehicle and the required torque of the in-wheel motor 11 .

在纯电动驱动模式下，电池管理系统5监控固态电池6荷电状态，并通过CAN总线与整车控制器1通信，当监控到固态电池6的SOC值在正常阈值范围(30％～90％)内，此时整车控制器1与二缸水平对置式发动机控制器13通信，二缸水平对置式发动机控制器13控制二缸水平对置式发动机2停止工作，此时增程器18停止工作，增程式电动汽车工作原理与纯电动汽车工作原理相似，电源分配单元7将固态电池6的直流电通过轮毂电机控制器8转化为交流电，并给轮毂电机11供电，轮毂电机11通过轮边减速器10带动汽车车轮9转动，驱动汽车行驶。In the pure electric driving mode, the battery management system 5 monitors the state of charge of the solid-state battery 6 and communicates with the vehicle controller 1 through the CAN bus. ), at this time the vehicle controller 1 communicates with the two-cylinder horizontally opposed engine controller 13, and the two-cylinder horizontally opposed engine controller 13 controls the two-cylinder horizontally opposed engine 2 to stop working, and the range extender 18 stops working at this time The working principle of the extended-range electric vehicle is similar to that of the pure electric vehicle. The power distribution unit 7 converts the direct current of the solid-state battery 6 into alternating current through the hub motor controller 8, and supplies power to the hub motor 11. The hub motor 11 passes through the wheel reducer. 10 drives the automobile wheel 9 to rotate, and drives the automobile to travel.

在增程器单独驱动模式下，整车控制器1通过CAN总线通信车速传感器20和驾驶员信息接口12，获取增程式电动汽车当前车速，并对驾驶员信息接口12中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机11的需求扭矩，当增程式电动汽车的当前车速和轮毂电机11的需求扭矩都低于各自的预设阈值时，且电池管理系统5监控到固态电池6的荷电状态SOC值低于最小阈值，并通过CAN总线与整车控制器1通信，整车控制器1通信启动/发电一体机控制器4，使其控制二缸水平对置式发动机2启动，二缸水平对置式发动机2工作后带动启动/发电一体机3发电，并且二缸水平对置式发动机控制器13控制二缸水平对置式发动机2工作在最佳燃油区间，产生的电能一部分通过电源分配单元7输送至轮毂电机控制器8来控制轮毂电机11驱动汽车行驶，剩余部分可通过电源分配单元7输送至固态电池6储存，亦可通过电源分配单元7经DC/DC转换器16将电能输送至蓄电池17储存，供其它车载用电设备用电。In the single drive mode of the range extender, the vehicle controller 1 communicates with the vehicle speed sensor 20 and the driver information interface 12 through the CAN bus to obtain the current vehicle speed of the range-extender electric vehicle, and the accelerator pedal signal in the driver information interface 12. The pedal signal is analyzed to obtain the required torque of the hub motor 11. When the current speed of the extended-range electric vehicle and the required torque of the hub motor 11 are lower than their respective preset thresholds, and the battery management system 5 monitors the solid-state battery 6 The SOC value of the state of charge is lower than the minimum threshold, and communicates with the vehicle controller 1 through the CAN bus, and the vehicle controller 1 communicates with the start/generator controller 4 to control the start of the two-cylinder horizontally opposed engine 2. After the horizontally opposed engine 2 works, it drives the starter/generator 3 to generate electricity, and the two-cylinder horizontally opposed engine controller 13 controls the two-cylinder horizontally opposed engine 2 to work in the optimal fuel range, and part of the generated electric energy passes through the power distribution unit 7 is sent to the hub motor controller 8 to control the hub motor 11 to drive the car, and the remaining part can be sent to the solid-state battery 6 for storage through the power distribution unit 7, or the electric energy can be sent to the The accumulator 17 is stored for use by other vehicle-mounted electrical equipment.

在混合驱动模式下，整车控制器1通过CAN总线通信车速传感器20和驾驶员信息接口12，获取增程式电动汽车当前车速，并对驾驶员信息接口12中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机11的需求扭矩，当增程式电动汽车的当前车速和轮毂电机11的需求扭矩都高于各自的预设阈值时，或分别高于各自的预设阈值时，整车控制器1通信启动/发电一体机控制器4和电池管理系统5并解析出前一阶段增程式电动汽车是处于纯电动驱动模式还是增程式单独驱动模式，若整车控制器1解析出前一阶段工作模式是纯电动驱动模式时，整车控制器1通信启动/发电一体机控制器4控制启动/发电一体机3带动二缸水平对置式发动机2工作，二缸水平对置式发动机2工作后带动启动/发电一体机3发电，并且二缸水平对置式发动机控制器13控制二缸水平对置式发动机2工作在最佳燃油区间，产生的电能通过电源分配单元7输送至轮毂电机控制器8，此时电池管理系统5管理固态电池6将电能通过电源分配单元7输送至轮毂电机控制器8；若整车控制器1解析出前一阶段工作模式是增程器单独驱动模式时，整车控制器1通信电池管理系统5，电池管理系统5管理固态电池6不再接受来自电源分配单元7的电能，并管理固态电池6通过电源分配单元7向轮毂电机控制器8供电；在该模式下，由固态电池6和增程器2输送的电能经电源分配单元7传送至轮毂电机控制器8，轮毂电机控制器8使直流电转化为三相交流电给轮毂电机11供电，使其带动轮边减速器10驱动汽车行驶。In the hybrid drive mode, the vehicle controller 1 communicates with the vehicle speed sensor 20 and the driver information interface 12 through the CAN bus to obtain the current vehicle speed of the extended-range electric vehicle, and the accelerator pedal signal and the brake pedal signal in the driver information interface 12 Analyze to obtain the required torque of the hub motor 11, when the current speed of the extended-range electric vehicle and the required torque of the hub motor 11 are higher than their respective preset thresholds, or when they are higher than their respective preset thresholds, the vehicle control Controller 1 communicates start/generator integrated machine controller 4 and battery management system 5 and analyzes whether the extended-range electric vehicle is in the pure electric drive mode or the extended-range independent drive mode in the previous stage. If the vehicle controller 1 analyzes the working mode of the previous stage In the pure electric driving mode, the vehicle controller 1 communicates the start/generator integrated machine controller 4 to control the start/generator integrated machine 3 to drive the two-cylinder horizontally opposed engine 2 to work, and the two-cylinder horizontally opposed engine 2 drives the start/ The integrated generator 3 generates electricity, and the two-cylinder horizontally opposed engine controller 13 controls the two-cylinder horizontally opposed engine 2 to work in the optimal fuel range, and the generated electric energy is sent to the hub motor controller 8 through the power distribution unit 7. At this time, the battery The management system 5 manages the solid-state battery 6 and transmits the electric energy to the in-wheel motor controller 8 through the power distribution unit 7; The management system 5, the battery management system 5 manages the solid-state battery 6 to no longer receive electric energy from the power distribution unit 7, and manages the solid-state battery 6 to supply power to the hub motor controller 8 through the power distribution unit 7; in this mode, the solid-state battery 6 The electric energy transmitted by the range extender 2 is transmitted to the hub motor controller 8 through the power distribution unit 7, and the hub motor controller 8 converts the direct current into a three-phase alternating current to supply power to the hub motor 11, so that it drives the wheel reducer 10 to drive the car. .

在本实施例中，在汽车普通制动或长距离制动时，轮毂电机11扭矩和汽车速度方向相反，具有第四象限工作原理的轮毂电机11起到发电机的作用，使机械能转化为电能并储存到固态电池6里，实现部分制动能量回收的效果。In this embodiment, when the car is normally braked or braked for a long distance, the torque of the hub motor 11 is in the opposite direction to the speed of the car, and the hub motor 11 with the fourth quadrant working principle acts as a generator to convert mechanical energy into electrical energy And store it in the solid-state battery 6 to realize the effect of partial braking energy recovery.

以上对本发明技术方案的具体实施例进行了描述。需要理解的是，本发明并不局限于上述特定实施方式，本领域技术人员可以在权利要求的范围内做出各种变形或修改，这并不影响本发明的实质内容。The specific embodiments of the technical solutions of the present invention have been described above. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention.

Claims (3)

1.一种增程式电动汽车动力系统，其特征在于，包括：驱动系统(19)、增程器(18)、整车控制器(1)、电池管理系统(5)、固态电池(6)、电源分配单元(7)、驾驶员信息接口(12)、充电装置(15)、DC/DC转换器(16)、蓄电池(17)和车速传感器(20)，所述驱动系统(19)包括两个半轴内转子轮毂电机(11)、汽车车轮(9)、轮边减速器(10)和轮毂电机控制器(8)，所述增程器(18)包括二缸水平对置式发动机(2)、启动/发电一体机(3)、启动/发电一体机控制器(4)、二缸水平对置式发动机控制器(13)和油箱(14)；1. A power system for an extended-range electric vehicle, characterized in that it comprises: a drive system (19), a range extender (18), a vehicle controller (1), a battery management system (5), and a solid-state battery (6) , a power distribution unit (7), a driver information interface (12), a charging device (15), a DC/DC converter (16), a storage battery (17) and a vehicle speed sensor (20), and the drive system (19) includes Two semi-shaft internal rotor hub motors (11), automobile wheels (9), wheel side reducers (10) and hub motor controllers (8), and the range extender (18) includes a two-cylinder horizontally opposed engine ( 2), starter/generator integrated machine (3), starter/generator integrated machine controller (4), two-cylinder horizontally opposed engine controller (13) and fuel tank (14); 所述驱动系统(19)中，两个半轴内转子轮毂电机(11)分别与安装在汽车车轮(9)上的轮边减速器(10)相连，并通过交流高压线束与轮毂电机控制器(8)相连；所述增程器(18)中，二缸水平对置式发动机(2)与启动/发电一体机(3)机械连接，启动/发电一体机(3)通过交流高压线束与启动/发电一体机控制器(4)相连，二缸水平对置式发动机控制器(13)和油箱(14)与二缸水平对置式发动机(2)相连；电源分配单元(7)通过直流高压线束分别与启动/发电一体机控制器(4)、固态电池(6)、轮毂电机控制器(8)和DC/DC转换器(16)相连，DC/DC转换器(16)通过直流高压线束与蓄电池(17)相连，固态电池(6)分别与电池管理系统(5)和充电装置(15)相连；所述轮毂电机控制器(8)、二缸水平对置式发动机控制器(13)、电池管理系统(5)、启动/发电一体机控制器(4)、驾驶员信息接口(12)和车速传感器(20)通过CAN总线与整车控制器(1)相连接；In the drive system (19), the two half-shaft inner rotor hub motors (11) are respectively connected to the wheel speed reducer (10) installed on the vehicle wheel (9), and are connected to the hub motor controller through the AC high-voltage wire harness (8) connected; in the range extender (18), the two-cylinder horizontally opposed engine (2) is mechanically connected to the starter/generator integrated machine (3), and the starter/generator integrated machine (3) is connected to the starter through the AC high-voltage wiring harness. / Generator integrated machine controller (4) is connected, the two-cylinder horizontally opposed engine controller (13) and the fuel tank (14) are connected with the two-cylinder horizontally opposed engine (2); the power distribution unit (7) is respectively It is connected with the starter/generator integrated machine controller (4), solid-state battery (6), in-wheel motor controller (8) and DC/DC converter (16), and the DC/DC converter (16) is connected to the battery through a DC high-voltage wire harness (17) are connected, and the solid-state battery (6) is connected to the battery management system (5) and the charging device (15) respectively; the hub motor controller (8), the two-cylinder horizontally opposed engine controller (13), the battery management The system (5), the starter/generator integrated machine controller (4), the driver information interface (12) and the vehicle speed sensor (20) are connected to the vehicle controller (1) through the CAN bus; 所述增程式电动汽车动力系统包括三种工作模式，分别为纯电动驱动模式、增程器单独驱动模式与混合驱动模式；其模式的切换主要是通过固态电池(6)的电池荷电状态SOC值、增程式电动汽车的当前车速以及轮毂电机(11)的需求扭矩来确定；The power system of the extended-range electric vehicle includes three working modes, which are pure electric drive mode, range extender independent drive mode and hybrid drive mode; the mode switching is mainly through the battery state of charge SOC of the solid-state battery (6). value, the current vehicle speed of the extended-range electric vehicle and the required torque of the hub motor (11) to determine; 在纯电动驱动模式下，电池管理系统(5)监控固态电池(6)荷电状态，并通过CAN总线与整车控制器(1)通信，当监控到固态电池(6)的SOC值在正常阈值范围内，该正常阈值范围为30％～90％，此时整车控制器(1)与二缸水平对置式发动机控制器(13)通信，二缸水平对置式发动机控制器(13)控制二缸水平对置式发动机(2)停止工作，此时增程器(18)停止工作，电源分配单元(7)将固态电池(6)的直流电通过轮毂电机控制器(8)转化为交流电，并给轮毂电机(11)供电，轮毂电机(11)通过轮边减速器(10)带动汽车车轮(9)转动，驱动汽车行驶；In the pure electric drive mode, the battery management system (5) monitors the state of charge of the solid-state battery (6), and communicates with the vehicle controller (1) through the CAN bus. Within the threshold range, the normal threshold range is 30% to 90%. At this time, the vehicle controller (1) communicates with the two-cylinder horizontally opposed engine controller (13), and the two-cylinder horizontally opposed engine controller (13) controls The two-cylinder horizontally opposed engine (2) stops working, and the range extender (18) stops working at this time, and the power distribution unit (7) converts the direct current of the solid-state battery (6) into alternating current through the hub motor controller (8), and Power is supplied to the hub motor (11), and the hub motor (11) drives the vehicle wheel (9) to rotate through the wheel reducer (10) to drive the vehicle to run; 在增程器单独驱动模式下，整车控制器(1)通过CAN总线通信车速传感器(20)和驾驶员信息接口(12)，获取增程式电动汽车当前车速，并对驾驶员信息接口(12)中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机(11)的需求扭矩，当增程式电动汽车的当前车速和轮毂电机(11)的需求扭矩都低于各自的预设阈值时，且电池管理系统(5)监控到固态电池(6)的荷电状态SOC值低于最小阈值，并通过CAN总线与整车控制器(1)通信，整车控制器(1)通信启动/发电一体机控制器(4)，使其控制二缸水平对置式发动机(2)启动，二缸水平对置式发动机(2)工作后带动启动/发电一体机(3)发电，并且二缸水平对置式发动机控制器(13)控制二缸水平对置式发动机(2)工作在最佳燃油区间，产生的电能一部分通过电源分配单元(7)输送至轮毂电机控制器(8)来控制轮毂电机(11)驱动汽车行驶，剩余部分能够通过电源分配单元(7)输送至固态电池(6)储存，或者通过电源分配单元(7)经DC/DC转换器(16)将电能输送至蓄电池(17)储存，供其它车载用电设备用电；在混合驱动模式下，整车控制器(1)通过CAN总线通信车速传感器(20)和驾驶员信息接口(12)，获取增程式电动汽车当前车速，并对驾驶员信息接口(12)中的加速踏板信号和制动踏板信号进行解析以获得轮毂电机(11)的需求扭矩，当增程式电动汽车的当前车速和轮毂电机(11)的需求扭矩都高于各自的预设阈值时，或分别高于各自的预设阈值时，整车控制器(1)通信启动/发电一体机控制器(4)和电池管理系统(5)并解析出前一阶段增程式电动汽车是处于纯电动驱动模式还是增程式单独驱动模式，若整车控制器(1)解析出前一阶段工作模式是纯电动驱动模式时，整车控制器(1)通信启动/发电一体机控制器(4)控制启动/发电一体机(3)带动二缸水平对置式发动机(2)工作，二缸水平对置式发动机(2)工作后带动启动/发电一体机(3)发电，并且二缸水平对置式发动机控制器(13)控制二缸水平对置式发动机(2)工作在最佳燃油区间，产生的电能通过电源分配单元(7)输送至轮毂电机控制器(8)，此时电池管理系统(5)管理固态电池(6)将电能通过电源分配单元(7)输送至轮毂电机控制器(8)；若整车控制器(1)解析出前一阶段工作模式是增程器单独驱动模式时，整车控制器(1)通信电池管理系统(5)，电池管理系统(5)管理固态电池(6)不再接受来自电源分配单元(7)的电能，并管理固态电池(6)通过电源分配单元(7)向轮毂电机控制器(8)供电；在该模式下，由固态电池(6)和增程器输送的电能经电源分配单元(7)传送至轮毂电机控制器(8)，轮毂电机控制器(8)使直流电转化为三相交流电给轮毂电机(11)供电，使其带动轮边减速器(10)驱动汽车行驶。In the single driving mode of the range extender, the vehicle controller (1) obtains the current speed of the range-extender electric vehicle through the CAN bus communication vehicle speed sensor (20) and the driver information interface (12), and communicates with the driver information interface (12 ) to analyze the accelerator pedal signal and brake pedal signal to obtain the required torque of the in-wheel motor (11), when the current speed of the extended-range electric vehicle and the required torque of the in-wheel motor (11) are lower than their respective preset thresholds , and the battery management system (5) monitors that the SOC value of the solid-state battery (6) is lower than the minimum threshold, and communicates with the vehicle controller (1) through the CAN bus, and the vehicle controller (1) communicates to start/ The integrated generator controller (4) controls the start of the two-cylinder horizontally opposed engine (2), and the two-cylinder horizontally opposed engine (2) drives the starter/generator integrated machine (3) to generate electricity after the two-cylinder horizontally opposed The mounted engine controller (13) controls the two-cylinder horizontally opposed engine (2) to work in the optimum fuel range, and part of the generated electric energy is sent to the hub motor controller (8) through the power distribution unit (7) to control the hub motor (11 ) to drive the car, and the remaining part can be delivered to the solid-state battery (6) for storage through the power distribution unit (7), or the electric energy can be delivered to the battery (17) for storage through the power distribution unit (7) through the DC/DC converter (16) , for other vehicle-mounted electrical equipment; in the hybrid drive mode, the vehicle controller (1) obtains the current vehicle speed of the extended-range electric vehicle through the CAN bus communication vehicle speed sensor (20) and the driver information interface (12), and Analyze the accelerator pedal signal and brake pedal signal in the driver information interface (12) to obtain the required torque of the hub motor (11), when the current speed of the extended-range electric vehicle and the required torque of the hub motor (11) are high When they are at their respective preset thresholds, or are respectively higher than their respective preset thresholds, the vehicle controller (1), communication start/generator integrated machine controller (4) and battery management system (5) analyze and figure out the Whether the programmed electric vehicle is in the pure electric drive mode or the extended-range independent drive mode, if the vehicle controller (1) analyzes that the previous working mode is the pure electric drive mode, the vehicle controller (1) communication start/generator integrated machine The controller (4) controls the starter/generator integrated machine (3) to drive the two-cylinder horizontally opposed engine (2) to work, and after the two-cylinder horizontally opposed engine (2) works, it drives the starter/generator integrated machine (3) to generate electricity, and the two The cylinder horizontally opposed engine controller (13) controls the two-cylinder horizontally opposed engine (2) to work in the optimum fuel range, and the generated electric energy is sent to the hub motor controller (8) through the power distribution unit (7). At this time, the battery The management system (5) manages the solid-state battery (6) and transmits the electric energy to the in-wheel motor controller (8) through the power distribution unit (7); mode, the vehicle controller (1) communicates with the battery management system (5), and the battery management system (5) manages the solid-state battery (6) and no longer accepts power from the power distribution unit (7), and manages the solid-state battery (6) Power is supplied to the hub motor controller (8) through the power distribution unit (7); in this mode, the electric energy delivered by the solid-state battery (6) and the range extender is transmitted to the hub motor controller (8) through the power distribution unit (7) ), the wheel hub motor controller (8) converts direct current into three-phase alternating current to supply power to the wheel hub motor (11), so that it drives the wheel side reducer (10) to drive the car. 2.根据权利要求1所述的一种增程式电动汽车动力系统，其特征在于，所述增程式电动汽车动力系统以二缸水平对置式发动机(2)为动力输入，以固态电池(6)为所述动力系统的电能储存装置，以半轴内转子轮毂电机(11)带动轮边减速器(10)驱动汽车车轮(9)。2. A kind of extended-range electric vehicle power system according to claim 1, characterized in that, said extended-range electric vehicle power system uses a two-cylinder horizontally opposed engine (2) as power input, and a solid-state battery (6) As the electric energy storage device of the power system, the wheel-side reducer (10) is driven by the half-shaft inner rotor hub motor (11) to drive the vehicle wheel (9). 3.根据权利要求1所述的一种增程式电动汽车动力系统，其特征在于，所述固态电池(6)电解质材料为硫化物系材料或石榴石型氧化物系材料；所述固态电池(6)个数为若干个，若干个固态电池(6)之间串联。3. A kind of extended-range electric vehicle power system according to claim 1, is characterized in that, described solid state battery (6) electrolyte material is sulfide series material or garnet type oxide series material; Said solid state battery ( 6) The number is several, and several solid-state batteries (6) are connected in series.
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