WO2010133155A1 - Système d'entraînement pour véhicule électrique - Google Patents

Système d'entraînement pour véhicule électrique Download PDF

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Publication number
WO2010133155A1
WO2010133155A1 PCT/CN2010/072835 CN2010072835W WO2010133155A1 WO 2010133155 A1 WO2010133155 A1 WO 2010133155A1 CN 2010072835 W CN2010072835 W CN 2010072835W WO 2010133155 A1 WO2010133155 A1 WO 2010133155A1
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WO
WIPO (PCT)
Prior art keywords
drive motor
motor
electric vehicle
shifting
drive
Prior art date
Application number
PCT/CN2010/072835
Other languages
English (en)
Chinese (zh)
Inventor
张永
Original Assignee
芜湖普威技研有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 芜湖普威技研有限公司 filed Critical 芜湖普威技研有限公司
Publication of WO2010133155A1 publication Critical patent/WO2010133155A1/fr

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Classifications

    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
    • 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
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/42—Electrical machine applications with use of more than one motor
    • 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
    • B60L2240/423—Torque
    • 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
    • B60L2240/48—Drive Train control parameters related to transmissions
    • B60L2240/486—Operating parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for 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
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the invention relates to an electric vehicle drive system. Background technique
  • some electric vehicle drive systems use a high-power drive motor (AC motor or DC motor) to connect with the variable speed mechanism and the differential mechanism, and then connect the drive half-shaft drive vehicle.
  • AC motor or DC motor high-power drive motor
  • this connection method has low utilization rate of the front storage space, difficulty in suspension design caused by poor distance between the motor and the shifting mechanism from the longitudinal beam, difficulty in designing the transmission half shaft, and serious imbalance in the quality distribution of the front storage.
  • the technical problem to be solved by the present invention is to provide an electric vehicle driving system for the deficiencies of the prior art, wherein the motor of the system is symmetrically arranged left and right, and the shifting and differential mechanisms are placed in the middle.
  • the front storage space is effectively utilized to solve the problem of suspension design difficulties caused by the poor distance between the motor and the shifting mechanism from the longitudinal beam.
  • the design of the transmission shaft is relatively simple, so that the left and right symmetric transmission shaft design It became possible, and solved the problem of serious imbalance in the quality distribution of the former warehouse.
  • An electric vehicle drive system includes a shifting and differential mechanism, a drive motor disposed on both sides of the shifting and differential mechanism, a motor controller, and a power source.
  • the power source can be a power battery pack, the power battery pack.
  • the driving motor is powered, the motor controller monitors and controls the working state of the driving motor, drives the motor to input power to the shifting and differential mechanisms, and the shifting and differential mechanism inputs power to the driving half shaft to drive the wheels.
  • An electric vehicle driving system includes a first driving motor, a second driving motor, and a shifting and differential mechanism, a shifting and differential mechanism, wherein the first driving motor and the second driving motor are distributed in two of the shifting and differential mechanisms On the side, the power is input to the shifting and differential mechanisms.
  • the first drive motor and the second drive motor are coaxially disposed.
  • the first drive motor and the second drive motor are the same or different drive motors.
  • the rotor shaft of the first drive motor, the input shaft of the shifting and differential mechanism and the rotor shaft of the second drive motor are coaxial; or the first drive motor is coaxial with the input shaft of the shifting and differential mechanism, and the second drive The motor is connected by a spline/coupling;
  • first drive motor and the second drive motor are respectively coupled to the input shaft of the deceleration and differential mechanism.
  • the electric vehicle drive system further includes a control system that controls the first drive motor and the second drive motor, respectively.
  • the control system includes a motor controller that controls the first drive motor and the second drive motor, and the two drive motors can simultaneously adopt a speed control mode or a torque control mode, or both adopt a speed control mode and a torque control mode .
  • the motor controller includes a first control module and a second control module, the first control module controls the second drive motor, and the second control module controls the first drive motor.
  • the control system further includes a vehicle controller, and the vehicle controller is connected to the first control module and the second control module via a CAN communication bus.
  • the first control module and the second control module exchange information through the CAN communication bus.
  • the electric vehicle drive system further includes a power source that supplies power to the first drive motor and the second drive motor.
  • the first driving motor and the second driving motor output power to the input shaft of the shifting and differential mechanism
  • the shifting and differential mechanisms output the power to the first driving half shaft and the second driving half shaft through the shifting variable torque, and drive The wheels are running.
  • the invention adopts a coaxial drive motor to increase the axial dimension of the electric power assembly, thereby effectively solving the problem of utilizing the space of the front bin.
  • the front drive drive system and the speed reduction mechanism are conveniently arranged, solving the difficulty of the suspension design, making the symmetrical design of the drive shaft possible; solving the serious imbalance of the front bin mass distribution Question.
  • FIG. 1 is a schematic structural view of an electric vehicle driving system of the present invention.
  • Figure 1 10 first drive motor, 11 second drive motor, 20 power supply, 30 shifting, differential mechanism, 40 first drive half shaft, 41 second drive half shaft, 50 wheels, 60 motor controller, 70 First control module, 80 second control module, 90, 110 CAN communication bus, 100 vehicle controller.
  • the present invention provides an electric vehicle drive system, which mainly includes: a first drive motor 10 and a second drive motor 11 , which may be the same or different, power source 20, shifting, differential Agency 30.
  • the power source 20 supplies power to the first drive motor 10 and the second drive motor 11, and the first drive motor 10 and the second drive motor 11 input power to the shifting and differential mechanism 30.
  • the first drive motor 10, the shifting, differential mechanism 30, and the second drive motor 11 are sequentially connected.
  • the first drive motor 10 and the second drive motor 11 are distributed on both sides of the shifting and differential mechanism 30. There are many ways to connect the three.
  • the first type The first drive motor 10 rotor shaft, the shifting, differential mechanism 30 input shaft and the rotor shaft of the second drive motor 11 can be used, and the three are coaxially connected.
  • the third type The first drive motor 10, the second drive motor 11 is respectively connected to the input shaft of the shifting and differential mechanism 30, and then directly or indirectly connected together.
  • the first drive motor 10 and the second drive motor 11 collectively input power to the shifting and differential mechanism 30, and the shifting and differential mechanism 30 outputs power to the first drive half shaft 40 and the second drive half shaft 41 through its output shaft.
  • the first drive half shaft 40 and the second drive half shaft 41 drive the wheels 50 to move.
  • the electric vehicle drive system may further include a motor controller 60 and a vehicle controller 100.
  • the motor controller 60 therein further includes a first control module 70 and a second control module 80.
  • the drive system controls the first drive motor 10 and the second drive motor 11 through the first control module 70 and the second control module 80, respectively.
  • Vehicle controller 100 communicates via CAN (automotive LAN)
  • the line 90 communicates with the first control module 70, the second control module 80, transmits various commands and accepts information sent by the first control module 70 and the second control module 80, and the first control module 70 and the second control module 80 also Information can be exchanged via the CAN communication bus.
  • the first control module 70 and the second control module 80 of the motor controller 60 send control commands to the first drive motor 10 and the second drive motor 11, respectively, and the first drive motor 10 and the second drive motor 11
  • the opposite direction of rotation from the rear end of the drive motor to the drive motor power output
  • the control mode of the first drive motor 10 and the second drive motor 11 can be in the speed control mode or the torque control mode, or a drive motor In the speed control mode, the other drive motor uses the torque control mode.
  • the first drive motor 10 and the second drive motor 11 output power to the input shaft of the shifting and differential mechanism 30, and the shifting and differential mechanism 30 outputs the power to the first drive half shaft 40 and the second drive after the shift variable torque is applied.
  • the electric vehicle drive system provided by the present invention has the following advantages:
  • the present invention replaces a larger power drive motor with two smaller power drive motors, and the shifting and differential mechanism is centered (the shifting and differential mechanism 30 is located between the first drive motor 10 and the second drive motor 11).
  • the invention solves the problem that the shifting and differential mechanism which are arranged when a large power motor is used is inconvenient, and the arrangement of the front warehouse is more convenient, flexible and practical.
  • the invention adopts two smaller power drive motors to replace a larger power drive motor, and the shifting and differential mechanism are centered, which solves the problem that the powertrain position occurring when using a larger power motor is biased to one side and causes left and right suspension. Designing difficult problems simplifies the design of the suspension.
  • the invention adopts two smaller power drive motors to replace a larger power drive motor, and the shifting and differential mechanisms are placed in the middle, so that the shifting and differential mechanisms may be arranged in the center position of the left and right tires, so that the driving half shaft is symmetric. It is possible that if the driving half-axis is symmetric, the left and right driving half shafts will be identical, which can reduce the development time and development cost of the driving half shaft.
  • the invention adopts two smaller power drive motors to replace a larger power drive motor, and the shifting and differential mechanism is centered, so that the mass distribution on both sides of the shifting and differential mechanism is relatively uniform, and a large power motor is solved.
  • the powertrain quality that occurs at the time is concentrated on the problem of a serious imbalance in the mass distribution on the side of the high-power motor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

La présente invention se rapporte à un système d'entraînement pour véhicule électrique, comprenant un mécanisme différentiel et de changement de vitesse (30), un premier moteur d'entraînement (10), un second moteur d'entraînement (11), un dispositif de commande de moteur (60) et une ressource en énergie électrique (20). Le premier moteur d'entraînement (10) et le second moteur d'entraînement (11) sont respectivement disposés des deux côtés du mécanisme différentiel et de changement de vitesse (30). Une batterie d'alimentation peut être utilisée comme ressource en énergie électrique (20), et alimente en électricité le premier moteur d'entraînement (10) et le second moteur d'entraînement (11). Ledit dispositif de commande de moteur (60) contrôle et commande l'état de travail du premier moteur d'entraînement (10) et du second moteur d'entraînement (11). Le premier moteur d'entraînement (10) et le second moteur d'entraînement (11) entrent l'énergie dans le mécanisme différentiel et de changement de vitesse (30), qui entre l'énergie dans un premier arbre d'essieu d'entraînement (40) et dans un second arbre d'essieu d'entraînement (41) de manière à obliger les roues (50) à tourner. L'invention répond à l'exigence d'alimentation du véhicule électrique, et résout en même temps le problème de conception de suspension difficile due à la mauvaise distance entre une poutre longitudinale et le moteur ou le mécanisme de changement de vitesse grâce à l'utilisation efficace de l'espace d'agencement d'un compartiment avant. La conception d'un arbre de transmission est relativement simple, ce qui permet de réaliser la conception symétrique bilatérale de l'arbre de transmission, de résoudre le problème de répartition de masse déséquilibrée du compartiment avant et d'obtenir une structure simple et compacte.
PCT/CN2010/072835 2009-05-18 2010-05-17 Système d'entraînement pour véhicule électrique WO2010133155A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2009101168117A CN101549632A (zh) 2009-05-18 2009-05-18 一种电动汽车驱动系统
CN200910116811.7 2009-05-18

Publications (1)

Publication Number Publication Date
WO2010133155A1 true WO2010133155A1 (fr) 2010-11-25

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WO (1) WO2010133155A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105082966A (zh) * 2015-09-09 2015-11-25 华英汽车集团有限公司 一种双电机动力系统、换挡方法及电动汽车
WO2022058532A1 (fr) * 2020-09-18 2022-03-24 Volvo Truck Corporation Appareil de commande pour un groupe motopropulseur d'un véhicule électrique

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Publication number Priority date Publication date Assignee Title
CN101549632A (zh) * 2009-05-18 2009-10-07 奇瑞汽车股份有限公司 一种电动汽车驱动系统
CN103042914A (zh) * 2013-01-05 2013-04-17 苏州瑞佳新能源动力科技有限公司 纯电动汽车同轴耦合双驱动力电机组
CN104417359A (zh) * 2013-09-02 2015-03-18 哈尔滨鑫业电动车技术开发有限公司 一种主副电机耦合式驱动总成
CN103707750A (zh) * 2013-12-03 2014-04-09 奇瑞汽车股份有限公司 纯电动车电驱动动力系统
CN103587412B (zh) * 2013-12-03 2016-05-11 燕山大学 一种车用双模式纯电驱动系统
CN112519493A (zh) * 2019-09-17 2021-03-19 东风德纳车桥有限公司 双电机单速平行轴的电驱动桥
CN112519505A (zh) * 2019-09-17 2021-03-19 东风德纳车桥有限公司 双电机单速平行轴带轮边减速的电驱动桥
CN112519496A (zh) * 2019-09-17 2021-03-19 东风德纳车桥有限公司 一种双电机双速平行轴的独立悬挂电驱动桥
CN112519504A (zh) * 2019-09-17 2021-03-19 东风德纳车桥有限公司 一种双电机双速平行轴的电驱动桥
CN112519498A (zh) * 2019-09-17 2021-03-19 东风德纳车桥有限公司 双电机单速平行轴的独立悬挂电驱动桥

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CN2619829Y (zh) * 2003-04-30 2004-06-09 杭州火烈鸟绿色动力研究所 电动车用双电机输入减速器
CN101549632A (zh) * 2009-05-18 2009-10-07 奇瑞汽车股份有限公司 一种电动汽车驱动系统

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN2619829Y (zh) * 2003-04-30 2004-06-09 杭州火烈鸟绿色动力研究所 电动车用双电机输入减速器
CN101549632A (zh) * 2009-05-18 2009-10-07 奇瑞汽车股份有限公司 一种电动汽车驱动系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105082966A (zh) * 2015-09-09 2015-11-25 华英汽车集团有限公司 一种双电机动力系统、换挡方法及电动汽车
WO2022058532A1 (fr) * 2020-09-18 2022-03-24 Volvo Truck Corporation Appareil de commande pour un groupe motopropulseur d'un véhicule électrique

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