WO2011130885A1 - 一种微型电动轿车整车集成控制系统 - Google Patents

一种微型电动轿车整车集成控制系统 Download PDF

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Publication number
WO2011130885A1
WO2011130885A1 PCT/CN2010/000734 CN2010000734W WO2011130885A1 WO 2011130885 A1 WO2011130885 A1 WO 2011130885A1 CN 2010000734 W CN2010000734 W CN 2010000734W WO 2011130885 A1 WO2011130885 A1 WO 2011130885A1
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WIPO (PCT)
Prior art keywords
interface
control
controller
vehicle
speed
Prior art date
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PCT/CN2010/000734
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English (en)
French (fr)
Inventor
鲍文光
Original Assignee
新大洋机电集团有限公司
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Application filed by 新大洋机电集团有限公司 filed Critical 新大洋机电集团有限公司
Priority to EP10850019.0A priority Critical patent/EP2562026A4/en
Publication of WO2011130885A1 publication Critical patent/WO2011130885A1/zh

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Classifications

    • 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
    • B60L7/12—Dynamic electric regenerative braking for vehicles propelled by dc motors
    • 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
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/22—Microcars, e.g. golf cars
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/425—Temperature
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/16—Driver interactions by display
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
    • B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0043—Signal treatments, identification of variables or parameters, parameter estimation or state estimation
    • B60W2050/0044—In digital systems
    • B60W2050/0045—In digital systems using databus protocols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/0205—Diagnosing or detecting failures; Failure detection models
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric 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
    • Y02T10/64—Electric machine technologies in electromobility
    • 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

Definitions

  • the invention relates to a vehicle integrated control system for a miniature electric car. Background technique
  • an object of the present invention is to provide a technical solution for a vehicle integrated control system for a miniature electric car.
  • the utility model relates to a miniature electric car integrated vehicle integrated control system, which is characterized by comprising a motor controller, a regenerative brake control, a vehicle controller, a battery management system, a charger, a CAN instrument display and a CAN bus network,
  • the CAN bus network is divided into a low-speed CAN bus network and a high-speed CAN bus network.
  • the motor controller and regenerative brake control are connected to the vehicle controller through a high-speed CAN bus network.
  • the battery management system, the charger, and the CAN meter display through the low-speed CAN bus network. Connected to the vehicle controller.
  • the utility model relates to a miniature electric vehicle integrated vehicle integrated control system, characterized in that a microcontroller is arranged in the vehicle controller, and a power supply and a communication interface, a high-speed CAN interface, a low-speed CAN interface, and a Interface for instrument drive, information storage, analog signal processing, and digital signal processing.
  • the utility model relates to a miniature electric car integrated vehicle integrated control system, which is characterized in that the motor controller is
  • the motor control unit is provided, and the motor control unit is provided with a CAN interface, a power interface, and an interface connected with the current; the sensor, the temperature sensor, and the regenerative brake control unit, and the motor control unit and the motor are provided with a power amplifier unit and a position sensor. And the speed sensor, the power amplifier unit is connected to the power interface.
  • the invention relates to a miniature electric car integrated vehicle integrated control system, characterized in that a battery management unit is arranged in the battery management system, a battery management unit is provided with a CAN interface, and a battery pack 1 information, a battery pack 2 information, a battery The group 3 information, the battery pack 4 information, the total current information, and the battery information storage interface are connected to the display unit.
  • the utility model relates to a miniature electric car integrated vehicle integrated control system, characterized in that a charging machine control unit is arranged in the charging machine, and a charging port control unit is provided with a CAN interface, an external power interface and an internal power interface, an external power interface, A power amplifier unit 1 is disposed between the internal power interface and the motor control unit.
  • the utility model relates to a miniature electric car integrated vehicle integrated control system, characterized in that the instrument control unit is set in the CAN instrument display, and the meter control unit is provided with a power meter control interface, a speedometer control interface, an ammeter control interface, and a voltmeter.
  • the control interface, the alarm control interface, the indicator control interface and the CAN interface, and the CA information processing unit are set between the instrument control unit and the CAN interface.
  • the above integrated control system for a miniature electric car is integrated by weak current control, strong power management, battery charge and discharge control, brake energy feedback, vehicle fault protection, vehicle integrated control strategy, instrument signal, driving signal management, etc.
  • the CAN bus network micro-car complete vehicle distributed control system through the unique micro-electric car electronic control system vehicle network topology design and configuration, fully consider the urban use conditions, the use of safe driving as the goal of the vehicle comprehensive control strategy In-vehicle charging technology and regenerative braking technology, while ensuring safety and environmental protection, increased energy recovery control and achieved energy saving.
  • the vehicle electronic control technology Compared with the previous vehicle electronic control technology, it has built a fully functional and economical mini electric car electronic control system vehicle network topology structure, with the least hardware configuration, to maximize the performance of the power battery, drive motor, and Through the vehicle controller, the control strategy and protection strategy under various working conditions are realized. Improve the safety and reliability of the vehicle electronic control system. Compared with other vehicle control systems, the system has complete control functions, compact structure, large number of wire harnesses saved, system reliability enhanced, and the effectiveness and economy of vehicle control are significantly improved.
  • FIG. 1 is a block diagram of the module of the present invention
  • FIG. 2 is a block diagram of a vehicle controller of the present invention
  • FIG. 3 is a block diagram of the motor controller of the present invention.
  • FIG. 4 is a block diagram of a battery management system of the present invention.
  • FIG. 5 is a block diagram of a charger of the present invention.
  • Figure 6 is a block diagram showing the CAN meter display of the present invention.
  • a miniature electric car integrated vehicle integrated control system including motor controller 1, regenerative brake control 2, vehicle controller 3, battery management system 4, charger 5, CAN instrument display 6 and CAN
  • the bus network divides the whole vehicle CAN bus network into a low-speed CAN bus network and a high-speed CAN bus network, forming a distributed control system for the miniature electric car, ensuring All electronic control units can realize information interaction through the vehicle controller 1, realize centralized management, decentralized control, risk sharing, and timely and reliable; motor controller with high response speed and regenerative braking control 2 through high-speed CAN bus network Connected to the vehicle controller 3, the battery management system 4, the charger 5, and the CAN meter display 6 with low response speed are connected to the vehicle controller 3 through the low-speed CAN bus network, and the two CAN bus networks are isolated from each other.
  • the vehicle controller 1 functions as a gateway while implementing integrated control of the entire vehicle, and each electronic control unit is equipped with a corresponding CAN. Interfaces are connected to their respective CA networks according to the SAE J1939 protocol.
  • the driving information is directly input to the vehicle controller 1 for timely processing, and all CAN information on the in-vehicle network can be displayed, stored and processed for the purpose of fault diagnosis through the offline information processing unit.
  • the battery management system 4 directly performs automatic charging control of the power battery pack through the charger 5, and the charge and discharge state information of all the single cells and the battery pack is displayed and stored by the offline battery information processing unit for use by the inspector.
  • the main status information of the battery pack is displayed by the CA meter on the vehicle for the driver to use.
  • Each electronic control unit is set with self-diagnosis and self-protection function.
  • the vehicle controller 1 ensures driving safety and vehicle system safety according to the current working conditions and the capability range of each component.
  • the whole vehicle controller 3 is provided with a microcontroller, which is provided with a power supply and a communication port, a high-speed CAN interface, a low-speed CAN interface, and with instrument driving, information storage, analog signal processing, and digital signals. Process the connected interfaces.
  • Vehicle Controller 1 Manage, coordinate and monitor all aspects of the power chain of the miniature electric car to improve the energy efficiency of the vehicle and ensure safety and reliability.
  • the controller collects analog and digital driving signals through optical separation, and obtains relevant information of the motor and battery system through two CAN buses with high-speed optical isolation for analysis and calculation, and then passes two with high-speed optical separation.
  • the CAN bus gives the motor controller 1 and the battery management system 4 commands respectively to realize the vehicle drive control, energy optimization control and brake feedback control.
  • the controller also has CAN instrument interface function, "and displays the vehicle status information through CAN instrument, and also has complete fault diagnosis and processing, vehicle gateway and network management functions.
  • a motor control unit is arranged in the motor controller 1, and the motor control unit is provided with a CAN interface, a power interface, and an interface connected with the current sensor, the temperature sensor, and the regenerative brake control unit, the motor control unit and the motor.
  • a power amplifier unit, a position sensor, and a speed sensor are disposed between the power amplifier unit and the power interface.
  • the motor control unit receives the control command of the vehicle controller 1 in real time through the CAN interface, and completes the DC brushless single motor control. When the vehicle brakes, the regenerative braking control is completed. Energy recovery now.
  • the motor control unit collects the motor rotor position information, the motor speed information, the phase current information and the temperature information of the motor and the motor controller 1 in real time, and transmits it to the vehicle controller 1 in real time through the CAN interface to realize the power distribution of the whole vehicle. control.
  • a battery management unit is disposed in the battery management system 4, and the battery management unit is provided with a CAN interface, and with the battery pack 1 information, the battery pack 2 information, the battery pack 3 information, the battery pack 4 information, and the total current information.
  • the battery information storage interface is connected to the display unit.
  • the battery management system 4 performs voltage, temperature information collection and total current information collection of four battery packs according to the configured power battery, and performs unit equalization charging control, and performs calibration of the battery reference parameters through the offline battery information storage display unit.
  • the main state information of the battery is sent to the vehicle controller 1 in real time through the built-in CAN interface, and the vehicle energy management control is performed, and is displayed to the driver through the CAN meter. .
  • a charger control unit is disposed in the charger 5, and a CAN interface, an external power interface, and an internal power interface are disposed on the control unit of the charger, and a power amplifier is disposed between the external power interface, the internal power interface, and the motor control unit.
  • Unit 1 controls the power amplifier unit through the charger control unit, monitors the charging current and the power in real time according to the current state of the battery, and automatically charges the battery. The battery status information during charging is also sent to the vehicle controller 1 in real time. Displayed by the CA meter.
  • the instrument control unit is set in the CAN meter display 6.
  • the meter control unit is provided with a power meter control interface, a speedometer control interface, an ammeter control interface, a voltmeter control interface, an alarm control interface, an indicator control interface, and
  • a CAN information processing unit is provided between the CAN interface, the meter control unit and the CAN interface.
  • the invention fully considers the electrical technical requirements of the integrated control system under the premise of meeting the requirements of the body structure, the weight and the component shape, and completes the information exchange and processing of the electronic control components through the vehicle controller 3 and the dual CAN bus network. And comprehensive control, can meet the real-time control requirements of different electronic control components and different communication speeds, so that the overall vehicle control performance can reach the overall optimal, and also has the expandability of the electronic control system.
  • the vehicle comprehensive control strategy is based on different working conditions. Through real-time acquisition of driving signals and electronic control components information, the vehicle's integrated electronic control system's weak current control, high-power management, vehicle operating state control, braking energy feedback, and complete vehicle Features such as fault protection and meter display.

Description

说明书
一种微型电动轿车整车集成控制系统
技术领域
-本发明涉及一种微型电动轿车整车集成控制系统。 背景技术
发展新能源汽车关乎国计民生， 各国政府都不约而同地把发展新能源汽车 提升至 "拯救企业和国家经济命脉"的高度。 目前国内外电动车辆行业的竞争 激烈， 但是市场上出现的电动车辆大多都没有一个完整、 有效的控制系统， 在 各个环节的协调和分配上存在很多问题， 严重阻碍了电动车辆行业的发展。 发明内容
针对现有技术中存在的问题， 本发明的目的在于提供一种微型电动轿车整 车集成控制系统的技术方案。 所述的一种微型电动轿车整车集成控制系统,其特征在于包括电机控制器、 再生制动控制、整车控制器、 电池管理系统、 充电机、 CAN仪表显示和 CAN总线 网络， 所述的 CAN总线网络分为低速 CAN总线网络和高速 CAN总线网络， 电机 控制器、 再生制动控制通过高速 CAN总线网络与整车控制器相连， 电池管理系 统、 充电机、 CAN仪表显示通过低速 CAN总线网络与整车控制器相连。 所述的一种微型电动轿车整车集成控制系统，其特征在于所述整车控制器内 设置微控制器， 微控制器上设置有电源和通讯接口、 高速 CAN接口、 低速 CAN 接口， 以及与仪表驱动、 信息存储、 模拟信号处理、 数字信号处理相连的接口。 所述的一种微型电动轿车整车集成控制系统，其特征在于所述电机控制器内
1
确认本 设置电机控制单元， 电机控制单元上设置有 CAN接口、 电源接口， 以及与电流; 传感器、 温度传感器、 再生制动控制单元相连的接口， 电机控制单元与电机之. 间设置有功放单元、 位置传感器和速度传感器， 功放单元与电源接口相连。 ： 所述的一种微型电动轿车整车集成控制系统，其特征在于所述电池管理系统 内设置电池管理单元， 电池管理单元设置有 CAN接口， 以及与电池组 1信息、 电池组 2信息、 电池组 3信息、 电池组 4信息、 总电流信息和电池信息存储显 示单元相连的接口。
所述的一种微型电动轿车整车集成控制系统，其特征在于所述充电机内设置 充电机控制单元， 充电机控制单元上设置有 CAN接口、 外部电源接口和内部电 源接口， 外部电源接口、 内部电源接口与电机控制单元之间设置有功放单元一。
所述的一种微型电动轿车整车集成控制系统，其特征在于所述 CAN仪表显示 内设置仪表控制单元， 仪表控制单元上设置有电量表控制接口、 速度表控制接 口、 电流表控制接口、 电压表控制接口、 报警控制接口、指示灯控制接口和 CAN 接口， 仪表控制单元与 CAN接口之间设置 CA 信息处理单元。
上述一种微型电动轿车整车集成控制系统， 是由弱电控制、 强电管理、 电 池充放电控制、 制动能量回馈、 整车故障保护、 整车综合控制策略和仪表信号、 驾驶信号管理等集成的 CAN总线网络微型轿车整车分布式控制系统，通过独特 的微型电动轿车电控系统车载网络拓扑结构设计和配置， 充分考虑城市使用工 况， 采用了以安全行驶为目标的整车综合控制策略、 车载充电技术和再生制动 技术， 在确保安全、 环保的同时， 增加了能量回收控制， 达到了节能的目的。
和以往的整车电控技术相比， 其建立了功能完整、 经济的微型电动轿车电 控系统车载网络拓扑结构， 以最少的硬件配置， 最大程度地发挥了动力电池、 驱动电机的性能， 并通过整车控制器实现了各种工况下的控制策略和保护策略， 提高了整车电控系统的安全性和可靠性。 与其它的整车控制系统相比， 该系统 控制功能完备， 结构精巧， 大量节省线束， 系统可靠性得到增强， 整车控制的 有效性和经济性都具有明显提高。
附图说明
图 1为本发明的模块框图；
图 2为本发明的整车控制器框图；
图 3为本发明的电机控制器框图；
图 4为本发明的电池管理系统框图；
图 5为本发明的充电机框图；
图 6为本发明的 CAN仪表显示框图。
具体实施方式
下面结合说明书附图对本发明做进一步说明：
如图 1所示， 一种微型电动轿车整车集成控制系统，包括电机控制器 1、 再 生制动控制 2、 整车控制器 3、 电池管理系统 4、 充电机 5、 CAN仪表显示 6和 CAN总线网络， 根据各个电控部件实时控制的不同要求和总线传输的可靠性要 求， 将整个车载 CAN总线网络分为低速 CAN总线网络和高速 CAN总线网络， 构 成微型电动轿车的分布式控制系统， 保证所有电控单元都能通过整车控制器 1 实现信息交互， 实现集中管理、 分散控制、 风险分担、 及时可靠； 响应速度要 求较高的电机控制器 1、再生制动控制 2通过高速 CAN总线网络与整车控制器 3 相连，响应速度较低的电池管理系统 4、充电机 5、 CAN仪表显示 6通过低速 CAN 总线网络与整车控制器 3相连， 两条 CAN总线网络相互隔离。 整车控制器 1在 实现整车综合控制的同时， 起到网关的作用， 每个电控单元都配有相应的 CAN 接口， 按 SAE J1939协议与各自规定的 CA 网络相连接。 驾驶信息直接输入到 整车控制器 1及时处理， 车载网络上所有的 CAN信息都可以通过离线的信息处 理单元来进行以故障诊断为目的显示、 存储和处理。 电池管理系统 4通过充电 机 5直接对动力电池组进行自动充电控制， 所有单体电池和电池组的充放电状 态信息通过可离线的电池信息处理单元来显示和存储， 供检测人员使用。 电池 组的主要状态信息通过车上的 CA 仪表显示， 供驾驶员使用。 每个电控单元都 设定了自诊断、 自保护功能， 整车控制器 1依据当前工况和各个部件的能力范 围， 确保行驶安全和整车系统安全。
如图 2所示， 整车控制器 3内设置微控制器， 微控制器上设置有电源和通 讯 口、 高速 CAN接口、 低速 CAN接口， 以及与仪表驱动、 信息存储、 模拟信 号处理、 数字信号处理相连的接口。 整车控制器 1对微型电动轿车动力链的各 个环节进行管理、 协调和监控， 以提高整车能量利用效率， 确保安全性和可靠 性。.该控制器通过光隔采集模拟量和数字量的驾驶信号， 通过带高速光隔的两 条 CAN总线分别获得电机和电池系统的相关信息进行分析和运算， 再通过带高 速光隔的两条 CAN总线分别给出电机控制器 1和电池管理系统 4指令， 实现整 车驱动控制、 能量优化控制和制动回馈控制。 该控制器还具有 CAN仪表接口功 能, "并通过 CAN仪表显示整车状态信息， 此外还具备完善的故障诊断和处理、 整车网关及网络管理功能。
如图 3所示， 电机控制器 1内设置电机控制单元， 电机控制单元上设置有 CAN接口、 电源接口， 以及与电流传感器、温度传感器、再生制动控制单元相连 的接口， 电机控制单元与电机之间设置有功放单元、 位置传感器和速度传感器, 功放单元与电源接口相连。 电机控制单元通过 CAN接口实时接收整车控制器 1 的控制指令， 完成直流无刷单电机控制。 车辆制动时， 完成再生制动控制， 实 现能量回收。 电机控制单元实时采集电机转子位置信息、 电机转速信息、 相电 流信息和电机及电机控制器 1本体的温度信息， 并通过 CAN接口实时发送给整 车控制器 1， 以实现整车行驶的动力分配控制。
如图 4所示， 电池管理系统 4内设置电池管理单元， 电池管理单元设置有 CAN接口， 以及与电池组 1信息、电池组 2信息、电池组 3信息、电池组 4信息、 总电流信息和电池信息存储显示单元相连的接口。 电池管理系统 4根据所配置 的动力电池进行四个电池组的电压、 温度信息采集和总电流信息采集， 并进行 单体均衡充电控制， 通过可离线的电池信息存储显示单元进行电池基准参数的 标定和单体电池信息储存、 显示和动力电池组的 S0C估算， 通过内置的 CAN接 口将电池主要状态信息实时发送给整车控制器 1迸行整车能量管理控制， 并通 过 CAN仪表显示给驾驶员。
如图 5所示， 充电机 5内设置充电机控制单元， 充电机控制单元上设置有 CAN接口、外部电源接口和内部电源接口， 外部电源接口、 内部电源接口与电机 控制单元之间设置有功放单元一， 通过充电机控制单元对功放单元一控制， 按 照电池的当前状态， 实时监控充电电流和电量， 对电池进行自动充电控制， 充 电时的电池状态信息也实时发送到整车控制器 1并通过 CA 仪表显示。
如图 6所示， CAN仪表显示 6内设置仪表控制单元，仪表控制单元上设置有 电量表控制接口、 速度表控制接口、 电流表控制接口、 电压表控制接口、 报警 控制接口、指示灯控制接口和 CAN接口，仪表控制单元与 CAN接口之间设置 CAN 信息处理单元。 通过增加嵌入式 CAN信息处理单元实现与整车控制器 1的 CAN 总线网络通讯， 接收所有要显示的驾驶信息、 报警信息、 电机状态信息和电池 状态信息， 并通过嵌入式 CAN信息处理单元直接传送到仪表控制单元相应的控 制接口， 完成相应的仪表表头控制和指示灯控制。 电量表、 速度表、 电流表和 电压表的指示是由嵌入式 CAN信息处理单元根据接收的 CAN信息发出相应的 PWM 信号来控制的。
本发明在满足车身结构、 配重和部件外形要求的前提下， 充分考虑了集成 控制系统的电气技术要求， 通过整车控制器 3及双路 CAN总线网络完成各电控 部件的信息交换、 处理和综合控制， 可以满足不同电控部件、 不同通讯速率的 实时控制要求， 使整车控制性能达到整体最优， 也具备了电控系统可拓展性。 整车综合控制策略针对不同的工况， 通过实时采集驾驶信号和电控部件信息， 实现整车集成电控系统的弱电控制、 强电管理、 整车运行状态控制、 制动能量 回馈、 整车故障保护和仪表显示等功能。

Claims

权利要求书
1.一种微型电动轿车整车集成控制系统，其特征在于包括电机控制器（1 ) 、 再生制动控制 （2) 、 整车控制器 （3) 、 电池管理系统 （4) 、 充电机（5 ) 、 CAN仪表显示 （6 )和 CAN总线网络， 所述的 CAN总线网络分为低速 CAN总线网 络和高速 CAN总线网络， 电机控制器（1 ) 、 再生制动控制 （2)通过高速 CAN 总线网络与整车控制器 （3 )相连， 电池管理系统（4) 、 充电机（5 ) 、 CAN仪 表显示（6 )通过低速 CAN总线网络与整车控制器（3)相连。
2.根据权利要求 1所述的一种微型电动轿车整车集成控制系统，其特征在于 所述整车控制器（3) 内设置微控制器， 微控制器上设置有电源和通讯接口、 高 速 CAN接口、 低速 CAN接口， 以及与仪表驱动、 信息存储、 模拟信号处理、 数 字信号处理相连的接口。
3.根据权利要求 1所述的一种微型电动轿车整车集成控制系统，其特征在于 所述电机控制器（1 ) 内设置电机控制单元， 电机控制单元上设置有 CAN接口、 电源接口， 以及与电流传感器、 温度传感器、 再生制动控制单元相连的接口， 电机控制单元与电机之间设置有功放单元、 位置传感器和速度传感器， 功放单 元与电源接口相连。
4.根据权利要求 1所述的一种微型电动轿车整车集成控制系统，其特征在于 所述电池管理系统（4) 内设置电池管理单元， 电池管理单元设置有 CAN接口， 以及与电池组 1信息、 电池组 2信息、 电池组 3信息、 电池组 4信息、 总电流 信息和电池信息存储显示单元相连的接口。
5.根据权利要求 1所述的一种微型电动轿车整车集成控制系统，其特征在于 所述充电机（5) 内设置充电机控制单元， 充电机控制单元上设置有 CAN接口、 外部电源接口和内部电源接口， 外部电源接口、 内部电源接口与电机控制单元. 之间设置有功放单元一。
6.根据权利要求 1所述的一种微型电动轿车整车集成控制系统，其特征在于 所述 CAN仪表显示（6) 内设置仪表控制单元， 仪表控制单元上设置有电量表控 制接口、 速度表控制接口、 电流表控制接口、 电压表控制接口、 报警控制接口、 指示灯控制接口和 CAN接口， 仪表控制单元与 CAN接口之间设置 CAN信息处理 单元。
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