WO2019047448A1 - System of purely electric dual motor controller-driven auxiliary wheel system motor and driving method - Google Patents

System of purely electric dual motor controller-driven auxiliary wheel system motor and driving method Download PDF

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WO2019047448A1
WO2019047448A1 PCT/CN2018/000293 CN2018000293W WO2019047448A1 WO 2019047448 A1 WO2019047448 A1 WO 2019047448A1 CN 2018000293 W CN2018000293 W CN 2018000293W WO 2019047448 A1 WO2019047448 A1 WO 2019047448A1
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Prior art keywords
motor
drive motor
controller
auxiliary drive
air conditioner
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PCT/CN2018/000293
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French (fr)
Chinese (zh)
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李占江
高超
蒋元广
任钢
唐云飞
黄崴
李国庆
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南京越博动力系统股份有限公司
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Publication of WO2019047448A1 publication Critical patent/WO2019047448A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • 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
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • 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
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the invention relates to the technical field of driving control of an accessory gear train motor, in particular to a system and a driving method for driving a secondary drive wheel train motor by a pure electric double motor controller.
  • the design cost of pure electric vehicles in order to save the vehicle is generally designed and modified on the original fuel vehicles, especially for commercial vehicles such as buses, commuter cars, and logistics vehicles.
  • the internal combustion engine is removed.
  • Electric accessories such as steering booster pumps, air compressors, water pumps, air conditioner compressors, generators, etc. have also been removed. Therefore, the power steering system, air compressor, air conditioner compressor, and generator originally driven by the internal combustion engine need to be electrically designed.
  • Most of the existing electric vehicles are equipped with separate driving schemes for the attachments, namely, the steering pump controller, the air compressor controller, the electric air conditioner compressor controller, the electric water pump, and the DC/DC controller. In the main control box, it is also necessary to set corresponding contactors and fuses for the above accessories.
  • the pure electric vehicle of this design is widely existed in the industry, and its main drawback is that the electricized accessory system has complex structure, scattered arrangement and reliable system. Reduced sex, the overall size of the annex is relatively large, and currently targeted at new energy vehicles Moving attachments, some national standards have not yet given, safety and reliability of electric accessory selection is full of uncertainty.
  • the invention provides a system and a driving method for driving a secondary drive wheel train motor by a pure electric double motor controller.
  • the system design is simple and compact, and can achieve the same performance as the original vehicle, so that the design cost is greatly reduced;
  • the driving method has reliable performance and low failure rate.
  • a pure electric double motor controller drives a system of an auxiliary drive train wheel motor, comprising a power battery, a vehicle controller, a main control box, a dual motor controller, an auxiliary drive motor and a drive motor, wherein the power battery is connected to the a main control box, the main control box is connected to the dual motor controller, the auxiliary drive motor and the drive motor are respectively connected to the dual motor controller, and the auxiliary drive motor is further connected to a steering pump and an air conditioner a compressor and a generator, the generator being connected to the battery, wherein the vehicle controller is connected to the main control box through a first CAN communication port, and the vehicle controller is connected to the second CAN communication port The dual motor controller, wherein the drive motor is also coupled to a transmission system of the vehicle.
  • the dual motor controller includes a first motor control module and a second motor control module, the first motor control module is connected to the drive motor through a first IGBT module, and the second motor control module passes the The second IGBT module is connected to the auxiliary drive motor, wherein the auxiliary drive motor is a permanent magnet synchronous motor.
  • the auxiliary drive motor further includes a bracket and a tensioner, the output end of the auxiliary drive motor is provided with a first pulley groove and a second pulley groove, wherein the steering pump and the generator pass the first a pulley groove is connected to the auxiliary drive motor, and the air conditioner compressor is connected to the auxiliary drive motor through the second pulley groove, and the auxiliary drive motor is fixedly disposed on the vehicle body through the bracket, the first A pulley groove and a belt of the second pulley groove are respectively coupled to the tensioner.
  • the power of the first IGBT module is greater than the power of the second IGBT module.
  • the drive motor is a permanent magnet synchronous motor.
  • the drive motor is further connected to the shift selector mechanism, and the select shift mechanism is further connected to the vehicle controller.
  • the invention also provides a method for driving a secondary drive motor by using a pure electric double motor controller to drive a system of a secondary drive wheel train motor, characterized in that it comprises the following steps:
  • Step 1 The vehicle controller collects the information of the gear position information of the pure electric vehicle, the vehicle running speed information, the air conditioning switch state, the air conditioning temperature gear position and the low pressure load size:
  • Step 2 The vehicle controller transmits the information collected in step 1 to the second motor control module through A/D conversion, and performs control of the auxiliary drive motor;
  • Step 2.1 The generator outputs a constant voltage after being regulated by the voltage regulator, and adjusts the magnitude of the excitation current according to the load requirement to control the output power to affect the output power of the auxiliary drive motor;
  • Step 2.2 Control the electromagnetic clutch to start the air conditioner through the air conditioner A/C switch of the vehicle air conditioner, wherein the electromagnetic clutch is disposed between the auxiliary drive motor and the air conditioner compressor, wherein the second motor control module affects according to the size of the air conditioner temperature gear position Auxiliary drive motor output power;
  • Step 2.3 The second motor control module performs calculation of the steering pump request torque according to the current gear position information of the vehicle, the vehicle running speed information, and the steering angular speed information;
  • Step 2.4 The second motor control module controls the torque and the rotational speed of the auxiliary drive motor according to the needs of driving the generator, driving the steering pump, and driving the air conditioner compressor.
  • the pure electric double motor controller of the present invention drives a system of an auxiliary drive wheel train motor, and by setting a power battery, a vehicle controller, a main control box, a dual motor controller, an auxiliary drive motor and a drive motor,
  • the system design is simple and compact, and can achieve the same performance as the original car.
  • the method for driving the auxiliary drive motor by using the pure electric double motor controller to drive the auxiliary drive wheel train motor according to the present invention has reliable performance and low failure rate.
  • FIG. 1 is a schematic structural view of a system for driving a secondary drive wheel train motor of a pure electric double motor controller according to the present invention
  • FIG. 2 is a schematic perspective view of the auxiliary drive motor according to the present invention.
  • 1-power battery 2-car controller, 3-main control box, 4-dual motor controller, 41-first motor control module, 42-second motor control module, 5-auxiliary motor, 51-bracket , 52-tensioner, 53-first pulley groove, 54-second pulley groove, 6-drive motor, 7-steer pump, 8-air conditioner compressor, 9-generator, 10-battery, 11-drive system , 12-select shifting mechanism.
  • a pure electric dual-motor controller drives the system of the auxiliary drive train motor, including the power battery 1, the complete vehicle controller 2, the main control box 3, the dual motor controller 4, and the auxiliary drive.
  • a motor 5 and a drive motor 6 the power battery 1 is connected to the main control box 3, the main control box 3 is connected to the dual motor controller 4, and the auxiliary drive motor 5 and the drive motor 6 respectively Connected to the dual motor controller 4, the auxiliary drive motor 5 is also connected to a steering pump 7, an air conditioner compressor 8 and a generator 9, the generator 9 being connected to the battery 10, wherein the vehicle controller 2 is connected to the main control box 3 through a first CAN communication port, and the vehicle controller 2 is connected to the dual motor controller 4 via a second CAN communication port, wherein the drive motor 6 is also connected to the vehicle Drive system 11.
  • the dual motor controller 4 includes a first motor control module 41 and a second motor control module 42 connected to the drive motor 6 via a first IGBT module, the second motor control module 42 is connected to the auxiliary drive motor 5 through a second IGBT module, wherein the auxiliary drive motor 5 is a permanent magnet synchronous motor.
  • the auxiliary drive motor 5 further includes a bracket 51 and a tensioner 52.
  • the output end of the auxiliary drive motor 5 is provided with a first pulley groove 53 and a second pulley groove 54, wherein the steering pump 7 and the power generation
  • the machine 9 is connected to the auxiliary drive motor 5 through the first pulley groove 53, and the air conditioner compressor 8 is connected to the auxiliary drive motor 5 through the second pulley groove 54, and the auxiliary drive motor 5 passes through
  • the bracket 51 is fixedly disposed on the vehicle body, and the belts of the first pulley groove 53 and the second pulley groove 54 are respectively connected to the tensioner 52.
  • the power of the first IGBT module is greater than the power of the second IGBT module.
  • the drive motor 6 is a permanent magnet synchronous motor.
  • the drive motor 6 is also connected to the shift selector mechanism 12, which is also connected to the vehicle controller 2.
  • the invention also provides a method for driving a secondary drive motor by using a pure electric double motor controller to drive a system of a secondary drive wheel train motor, comprising the following steps:
  • Step 1 The vehicle controller 2 collects information on the gear position information of the pure electric vehicle, the vehicle running speed information, the air conditioning switch state, the air conditioning temperature gear position and the low pressure load size;
  • Step 2 the vehicle controller 2 transmits the information collected in step 1 to the second motor control module 42 through A/D conversion, and performs control of the auxiliary drive motor 5;
  • Step 2.1 The generator 9 outputs a constant voltage after being regulated by the voltage regulator, and adjusts the magnitude of the excitation current according to the load requirement to control the output power to affect the output power of the auxiliary drive motor 5;
  • Step 2.2 Control the electromagnetic clutch to start the air conditioner by the air conditioner A/C switch of the vehicle air conditioner, wherein the electromagnetic clutch is disposed between the auxiliary drive motor 5 and the air conditioner compressor, wherein the second motor control module 42 is based on the size of the air conditioner temperature gear To affect the auxiliary drive motor 5 output power;
  • Step 2.3 The second motor control module 42 performs calculation of the requested torque of the steering pump 7 according to the current gear position information of the vehicle, the vehicle running speed information, and the steering angular speed information;
  • Step 2.4 The second motor control module 42 controls the torque and the rotational speed of the auxiliary drive motor 5 according to the needs of driving the generator 9, driving the steering pump 7, and driving the air conditioner compressor 8.

Abstract

A system of a purely electric dual motor controller-driven auxiliary wheel system motor and a driving method. The system of the purely electric dual motor controller-driven auxiliary wheel system motor comprises a power battery (1), an entire vehicle controller (2), a master control box (3), a dual motor controller (4), an auxiliary motor (5), and a drive motor (6). The driving method comprises: step 1, the whole-vehicle controller (2) collects data information; step 2, the entire vehicle controller (2) converts data; step 2.1, an alternator (9) outputs a constant voltage; step 2.2, an electromagnetic clutch is controlled via an air conditioner (A/C) switch of an onboard air conditioner to turn on the air conditioner; step 2.3, a second motor control module (42) calculates a steering pump requested torque; and step 2.4, the torque and rotational speed of the auxiliary motor (5) are controlled.

Description

纯电动双电机控制器驱动辅驱轮系电机的系统及驱动方法System and driving method for driving auxiliary drive wheel train motor by pure electric double motor controller 技术领域Technical field
本发明涉及一种附件轮系电机的驱动控制技术领域，尤其涉及一种纯电动双电机控制器驱动辅驱轮系电机的系统及驱动方法。The invention relates to the technical field of driving control of an accessory gear train motor, in particular to a system and a driving method for driving a secondary drive wheel train motor by a pure electric double motor controller.
背景技术Background technique
目前，全球能源和环境都面临巨大的挑战，汽车行业作为石油消耗和二氧化碳排放的太户，迫切需要进行革命性的变革以降低能源消耗和保护环境，世界各国目前对新能源汽车发展已经形成了共识，中国更是将其列入到七大战略性新兴产业之中，中央和各级地方政府陆续出台了各种扶持培育政策，为新能源发展营造了良好的政策环境，近年来，我国新能源汽车产业在行业标准、产业联盟、企业布局、技术研发等方面也取得了明显进展，从长期看，包括纯电动、燃料电池技术在内的纯电驱动是新能源汽车的主要技术方向。At present, the global energy and environment are facing enormous challenges. The automobile industry, as a household of oil consumption and carbon dioxide emissions, urgently needs revolutionary changes to reduce energy consumption and protect the environment. The world has already formed a new energy vehicle development. Consensus, China has included it in the seven strategic emerging industries. The central and local governments have successively introduced various support and cultivation policies, which have created a good policy environment for new energy development. In recent years, China’s new The energy automobile industry has also made significant progress in industry standards, industry alliances, enterprise layout, technology research and development, etc. In the long run, pure electric drives including pure electric and fuel cell technologies are the main technical directions of new energy vehicles.
目前，纯电动汽车为了节约车辆的设计成本普遍是在原有的燃油车型上设计改制，特别对于公交车、通勤车、物流车等商用车更是如此，在设计改制的过程中去掉了内燃机的同时也去掉了转向助力泵、空气压缩机、水泵、空调压缩机、发电机等电动附件，因此，原先由内燃机驱动的动力转向系统、空气压缩机、空调压缩机、发电机都需要进行电动化设计，现有的电动车上针对附件大部分采用的都是分体式单独驱动方案，即分别安装转向泵控制器、空气压缩机控制器、电动空调压缩机控制器、电动水泵、DC/DC控制器，在主控箱内部也需要针对上述附件分别设置对应的接触器和保险丝，这种设计的纯电动车是行业内广泛存在的，其主要缺陷在于电动化附件系统结构复杂、布置分散、系统可靠性降低、附件总体体积较为庞大，而且目前针对于新能源车的电动附件，部分相关国家标准还没有给出，电动附件的安全性和可靠性选择也充满了不确定性。At present, the design cost of pure electric vehicles in order to save the vehicle is generally designed and modified on the original fuel vehicles, especially for commercial vehicles such as buses, commuter cars, and logistics vehicles. In the process of design and restructuring, the internal combustion engine is removed. Electric accessories such as steering booster pumps, air compressors, water pumps, air conditioner compressors, generators, etc. have also been removed. Therefore, the power steering system, air compressor, air conditioner compressor, and generator originally driven by the internal combustion engine need to be electrically designed. Most of the existing electric vehicles are equipped with separate driving schemes for the attachments, namely, the steering pump controller, the air compressor controller, the electric air conditioner compressor controller, the electric water pump, and the DC/DC controller. In the main control box, it is also necessary to set corresponding contactors and fuses for the above accessories. The pure electric vehicle of this design is widely existed in the industry, and its main drawback is that the electricized accessory system has complex structure, scattered arrangement and reliable system. Reduced sex, the overall size of the annex is relatively large, and currently targeted at new energy vehicles Moving attachments, some national standards have not yet given, safety and reliability of electric accessory selection is full of uncertainty.
根据上述问题，现在亟需一种基于燃油车现有附件的基础上设计的纯电动附件驱动系统，以解决现有技术中存在的问题。In light of the above problems, there is a need for a pure electric accessory drive system based on the existing accessories of a fuel vehicle to solve the problems in the prior art.
发明内容Summary of the invention
本发明提出一种纯电动双电机控制器驱动辅驱轮系电机的系统及驱动方法，所述系 统设计方案简单，结构紧凑，能够实现与原车同样的性能，使设计成本大大降低；所述驱动方法性能可靠，故障率低。The invention provides a system and a driving method for driving a secondary drive wheel train motor by a pure electric double motor controller. The system design is simple and compact, and can achieve the same performance as the original vehicle, so that the design cost is greatly reduced; The driving method has reliable performance and low failure rate.
为达到上述目的，本发明采用以下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种纯电动双电机控制器驱动辅驱轮系电机的系统，包括动力电池、整车控制器、主控箱、双电机控制器、辅驱电机和驱动电机，所述动力电池连接于所述主控箱，所述主控箱连接于所述双电机控制器，所述辅驱电机和所述驱动电机分别连接于所述双电机控制器，所述辅驱电机还连接于转向泵、空调压缩机和发电机，所述发电机连接于蓄电池，其中，所述整车控制器通过第一CAN通讯端口连接于所述主控箱，所述整车控制器通过第二CAN通讯端口连接于所述双电机控制器，其中，所述驱动电机还连接于车辆的传动系统。A pure electric double motor controller drives a system of an auxiliary drive train wheel motor, comprising a power battery, a vehicle controller, a main control box, a dual motor controller, an auxiliary drive motor and a drive motor, wherein the power battery is connected to the a main control box, the main control box is connected to the dual motor controller, the auxiliary drive motor and the drive motor are respectively connected to the dual motor controller, and the auxiliary drive motor is further connected to a steering pump and an air conditioner a compressor and a generator, the generator being connected to the battery, wherein the vehicle controller is connected to the main control box through a first CAN communication port, and the vehicle controller is connected to the second CAN communication port The dual motor controller, wherein the drive motor is also coupled to a transmission system of the vehicle.
进一步地，所述双电机控制器包括第一电机控制模块和第二电机控制模块，所述第一电机控制模块通过第一IGBT模块连接于所述驱动电机，所述第二电机控制模块通过第二IGBT模块连接于所述辅驱电机，其中，所述辅驱电机为永磁同步电机。Further, the dual motor controller includes a first motor control module and a second motor control module, the first motor control module is connected to the drive motor through a first IGBT module, and the second motor control module passes the The second IGBT module is connected to the auxiliary drive motor, wherein the auxiliary drive motor is a permanent magnet synchronous motor.
进一步地，所述辅驱电机还包括支架和张紧器，所述辅驱电机的输出端设置有第一皮带轮槽和第二皮带轮槽，其中，所述转向泵和发电机通过所述第一皮带轮槽连接于所述辅驱电机，所述空调压缩机通过所述第二皮带轮槽连接于所述辅驱电机，所述辅驱电机通过所述支架固定设置在车体上，所述第一皮带轮槽和所述第二皮带轮槽的皮带分别连接于所述张紧器。Further, the auxiliary drive motor further includes a bracket and a tensioner, the output end of the auxiliary drive motor is provided with a first pulley groove and a second pulley groove, wherein the steering pump and the generator pass the first a pulley groove is connected to the auxiliary drive motor, and the air conditioner compressor is connected to the auxiliary drive motor through the second pulley groove, and the auxiliary drive motor is fixedly disposed on the vehicle body through the bracket, the first A pulley groove and a belt of the second pulley groove are respectively coupled to the tensioner.
进一步地，所述第一IGBT模块的功率大于所述第二IGBT模块的功率。Further, the power of the first IGBT module is greater than the power of the second IGBT module.
进一步地，所述驱动电机为永磁同步电机。Further, the drive motor is a permanent magnet synchronous motor.
进一步地，所述驱动电机还连接于选换挡机构，所述选换挡机构还连接于所述整车控制器。Further, the drive motor is further connected to the shift selector mechanism, and the select shift mechanism is further connected to the vehicle controller.
本发明还提供一种应用纯电动双电机控制器驱动辅驱轮系电机的系统进行驱动辅驱电机的方法，其特征在于，包括如下步骤：The invention also provides a method for driving a secondary drive motor by using a pure electric double motor controller to drive a system of a secondary drive wheel train motor, characterized in that it comprises the following steps:
步骤1、整车控制器采集纯电动汽车的档位信息、车辆运行速度信息、空调开关状态、空调温度档位和低压负载大小的信息：Step 1. The vehicle controller collects the information of the gear position information of the pure electric vehicle, the vehicle running speed information, the air conditioning switch state, the air conditioning temperature gear position and the low pressure load size:
步骤2、整车控制器将步骤1中所采集的信息通过A/D转换后发送给第二电机控制模块进行辅驱电机的控制；Step 2: The vehicle controller transmits the information collected in step 1 to the second motor control module through A/D conversion, and performs control of the auxiliary drive motor;
步骤2.1、发电机经过调压器调压后输出恒定电压，根据负载需要，自行调节励磁电 流的大小控制输出功率影响辅驱电机输出功率；Step 2.1: The generator outputs a constant voltage after being regulated by the voltage regulator, and adjusts the magnitude of the excitation current according to the load requirement to control the output power to affect the output power of the auxiliary drive motor;
步骤2.2、通过车载空调的空调A/C开关控制电磁离合器启动空调，其中，电磁离合器设置在辅驱电机和空调压缩机之间，其中，第二电机控制模块根据空调温度档位的大小来影响辅驱电机输出功率；Step 2.2: Control the electromagnetic clutch to start the air conditioner through the air conditioner A/C switch of the vehicle air conditioner, wherein the electromagnetic clutch is disposed between the auxiliary drive motor and the air conditioner compressor, wherein the second motor control module affects according to the size of the air conditioner temperature gear position Auxiliary drive motor output power;
步骤2.3、第二电机控制模块根据车辆当前档位信息、车辆运行速度信息和转向角速度信息进行转向泵请求扭矩的计算；Step 2.3: The second motor control module performs calculation of the steering pump request torque according to the current gear position information of the vehicle, the vehicle running speed information, and the steering angular speed information;
步骤2.4、第二电机控制模块根据驱动发电机、驱动转向泵和驱动空调压缩机的需要对辅驱电机的扭矩和转速进行控制。Step 2.4: The second motor control module controls the torque and the rotational speed of the auxiliary drive motor according to the needs of driving the generator, driving the steering pump, and driving the air conditioner compressor.
与现有技术相比，本发明的优越效果在于：Compared with the prior art, the superior effects of the present invention are:
1、本发明所述的纯电动双电机控制器驱动辅驱轮系电机的系统，通过配合设置动力电池、整车控制器、主控箱、双电机控制器、辅驱电机和驱动电机，使所述系统设计方案简单，结构紧凑，能够实现与原车同样的性能。1. The pure electric double motor controller of the present invention drives a system of an auxiliary drive wheel train motor, and by setting a power battery, a vehicle controller, a main control box, a dual motor controller, an auxiliary drive motor and a drive motor, The system design is simple and compact, and can achieve the same performance as the original car.
2、本发明所述的应用纯电动双电机控制器驱动辅驱轮系电机的系统进行驱动辅驱电机的方法性能可靠，故障率低。2. The method for driving the auxiliary drive motor by using the pure electric double motor controller to drive the auxiliary drive wheel train motor according to the present invention has reliable performance and low failure rate.
附图说明DRAWINGS
图1为本发明所述的纯电动双电机控制器驱动辅驱轮系电机的系统的结构示意图；1 is a schematic structural view of a system for driving a secondary drive wheel train motor of a pure electric double motor controller according to the present invention;
图2为本发明所述的辅驱电机的立体结构示意图。2 is a schematic perspective view of the auxiliary drive motor according to the present invention.
附图标记如下：The reference numerals are as follows:
1-动力电池、2-整车控制器、3-主控箱、4-双电机控制器、41-第一电机控制模块、42-第二电机控制模块、5-辅驱电机、51-支架、52-张紧器、53-第一皮带轮槽、54-第二皮带轮槽、6-驱动电机、7-转向泵、8-空调压缩机、9-发电机、10-蓄电池、11-传动系统、12-选换挡机构。1-power battery, 2-car controller, 3-main control box, 4-dual motor controller, 41-first motor control module, 42-second motor control module, 5-auxiliary motor, 51-bracket , 52-tensioner, 53-first pulley groove, 54-second pulley groove, 6-drive motor, 7-steer pump, 8-air conditioner compressor, 9-generator, 10-battery, 11-drive system , 12-select shifting mechanism.
具体实施方式Detailed ways
下面结合附图对本发明具体实施方式做详细说明。The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
实施例1Example 1
如附图1-2所示，一种纯电动双电机控制器驱动辅驱轮系电机的系统，包括动力电池 1、整车控制器2、主控箱3、双电机控制器4、辅驱电机5和驱动电机6，所述动力电池1连接于所述主控箱3，所述主控箱3连接于所述双电机控制器4，所述辅驱电机5和所述驱动电机6分别连接于所述双电机控制器4，所述辅驱电机5还连接于转向泵7、空调压缩机8和发电机9，所述发电机9连接于蓄电池10，其中，所述整车控制器2通过第一CAN通讯端口连接于所述主控箱3，所述整车控制器2通过第二CAN通讯端口连接于所述双电机控制器4，其中，所述驱动电机6还连接于车辆的传动系统11。As shown in Figure 1-2, a pure electric dual-motor controller drives the system of the auxiliary drive train motor, including the power battery 1, the complete vehicle controller 2, the main control box 3, the dual motor controller 4, and the auxiliary drive. a motor 5 and a drive motor 6, the power battery 1 is connected to the main control box 3, the main control box 3 is connected to the dual motor controller 4, and the auxiliary drive motor 5 and the drive motor 6 respectively Connected to the dual motor controller 4, the auxiliary drive motor 5 is also connected to a steering pump 7, an air conditioner compressor 8 and a generator 9, the generator 9 being connected to the battery 10, wherein the vehicle controller 2 is connected to the main control box 3 through a first CAN communication port, and the vehicle controller 2 is connected to the dual motor controller 4 via a second CAN communication port, wherein the drive motor 6 is also connected to the vehicle Drive system 11.
所述双电机控制器4包括第一电机控制模块41和第二电机控制模块42，所述第一电机控制模块41通过第一IGBT模块连接于所述驱动电机6，所述第二电机控制模块42通过第二IGBT模块连接于所述辅驱电机5，其中，所述辅驱电机5为永磁同步电机。The dual motor controller 4 includes a first motor control module 41 and a second motor control module 42 connected to the drive motor 6 via a first IGBT module, the second motor control module 42 is connected to the auxiliary drive motor 5 through a second IGBT module, wherein the auxiliary drive motor 5 is a permanent magnet synchronous motor.
所述辅驱电机5还包括支架51和张紧器52，所述辅驱电机5的输出端设置有第一皮带轮槽53和第二皮带轮槽54，其中，所述转向泵7和所述发电机9通过所述第一皮带轮槽53连接于所述辅驱电机5，所述空调压缩机8通过所述第二皮带轮槽54连接于所述辅驱电机5，所述辅驱电机5通过所述支架51固定设置在车体上，所述第一皮带轮槽53和所述第二皮带轮槽54的皮带分别连接于所述张紧器52。The auxiliary drive motor 5 further includes a bracket 51 and a tensioner 52. The output end of the auxiliary drive motor 5 is provided with a first pulley groove 53 and a second pulley groove 54, wherein the steering pump 7 and the power generation The machine 9 is connected to the auxiliary drive motor 5 through the first pulley groove 53, and the air conditioner compressor 8 is connected to the auxiliary drive motor 5 through the second pulley groove 54, and the auxiliary drive motor 5 passes through The bracket 51 is fixedly disposed on the vehicle body, and the belts of the first pulley groove 53 and the second pulley groove 54 are respectively connected to the tensioner 52.
所述第一IGBT模块的功率大于所述第二IGBT模块的功率。The power of the first IGBT module is greater than the power of the second IGBT module.
所述驱动电机6为永磁同步电机。The drive motor 6 is a permanent magnet synchronous motor.
所述驱动电机6还连接于选换挡机构12，所述选换挡机构12还连接于所述整车控制器2。The drive motor 6 is also connected to the shift selector mechanism 12, which is also connected to the vehicle controller 2.
本发明还提供一种应用纯电动双电机控制器驱动辅驱轮系电机的系统进行驱动辅驱电机的方法，包括如下步骤：The invention also provides a method for driving a secondary drive motor by using a pure electric double motor controller to drive a system of a secondary drive wheel train motor, comprising the following steps:
步骤1、整车控制器2采集纯电动汽车的档位信息、车辆运行速度信息、空调开关状态、空调温度档位和低压负载大小的信息；Step 1. The vehicle controller 2 collects information on the gear position information of the pure electric vehicle, the vehicle running speed information, the air conditioning switch state, the air conditioning temperature gear position and the low pressure load size;
步骤2、整车控制器2将步骤1中所采集的信息通过A/D转换后发送给第二电机控制模块42进行辅驱电机5的控制；Step 2, the vehicle controller 2 transmits the information collected in step 1 to the second motor control module 42 through A/D conversion, and performs control of the auxiliary drive motor 5;
步骤2.1、发电机9经过调压器调压后输出恒定电压，根据负载需要，自行调节励磁电流的大小控制输出功率影响辅驱电机5输出功率；Step 2.1: The generator 9 outputs a constant voltage after being regulated by the voltage regulator, and adjusts the magnitude of the excitation current according to the load requirement to control the output power to affect the output power of the auxiliary drive motor 5;
步骤2.2、通过车载空调的空调A/C开关控制电磁离合器启动空调，其中，电磁离合器设置在辅驱电机5和空调压缩机之间，其中，第二电机控制模块42根据空调温度档位的大小来影响辅驱电机5输出功率；Step 2.2: Control the electromagnetic clutch to start the air conditioner by the air conditioner A/C switch of the vehicle air conditioner, wherein the electromagnetic clutch is disposed between the auxiliary drive motor 5 and the air conditioner compressor, wherein the second motor control module 42 is based on the size of the air conditioner temperature gear To affect the auxiliary drive motor 5 output power;
步骤2.3、第二电机控制模块42根据车辆当前档位信息、车辆运行速度信息和转向角速度信息进行转向泵7请求扭矩的计算；Step 2.3: The second motor control module 42 performs calculation of the requested torque of the steering pump 7 according to the current gear position information of the vehicle, the vehicle running speed information, and the steering angular speed information;
步骤2.4、第二电机控制模块42根据驱动发电机9、驱动转向泵7和驱动空调压缩机8的需要对辅驱电机5的扭矩和转速进行控制。Step 2.4: The second motor control module 42 controls the torque and the rotational speed of the auxiliary drive motor 5 according to the needs of driving the generator 9, driving the steering pump 7, and driving the air conditioner compressor 8.
本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书界定。The present invention is not limited by the above-described embodiments, and the above-described embodiments and the description are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention. And modifications are intended to fall within the scope of the invention as claimed. The claimed scope of the invention is defined by the appended claims.

Claims (7)

  1. 一种纯电动双电机控制器驱动辅驱轮系电机的系统，包括动力电池、整车控制器、主控箱、双电机控制器、辅驱电机和驱动电机，所述动力电池连接于所述主控箱，所述主控箱连接于所述双电机控制器，其特征在于，所述辅驱电机和所述驱动电机分别连接于所述双电机控制器，所述辅驱电机还连接于转向泵、空调压缩机和发电机，所述发电机连接于蓄电池，其中，所述整车控制器通过第一CAN通讯端口连接于所述主控箱，所述整车控制器通过第二CAN通讯端口连接于所述双电机控制器，其中，所述驱动电机还连接于车辆的传动系统。A pure electric double motor controller drives a system of an auxiliary drive train wheel motor, comprising a power battery, a vehicle controller, a main control box, a dual motor controller, an auxiliary drive motor and a drive motor, wherein the power battery is connected to the a main control box, wherein the main control box is connected to the dual motor controller, wherein the auxiliary drive motor and the drive motor are respectively connected to the dual motor controller, and the auxiliary drive motor is further connected to a steering pump, an air conditioner compressor and a generator, the generator being connected to the battery, wherein the vehicle controller is connected to the main control box through a first CAN communication port, and the vehicle controller passes the second CAN A communication port is coupled to the dual motor controller, wherein the drive motor is further coupled to a transmission system of the vehicle.
  2. 根据权利要求1所述的纯电动双电机控制器驱动辅驱轮系电机的系统，其特征在于，所述双电机控制器包括第一电机控制模块和第二电机控制模块，所述第一电机控制模块通过第一IGBT模块连接于所述驱动电机，所述第二电机控制模块通过第二IGBT模块连接于所述辅驱电机，其中，所述辅驱电机为永磁同步电机。The system of claim 1 , wherein the dual motor controller comprises a first motor control module and a second motor control module, the first motor The control module is connected to the drive motor through a first IGBT module, and the second motor control module is connected to the auxiliary drive motor through a second IGBT module, wherein the auxiliary drive motor is a permanent magnet synchronous motor.
  3. 根据权利要求2所述的纯电动双电机控制器驱动辅驱轮系电机的系统，其特征在于，所述辅驱电机还包括支架和张紧器，所述辅驱电机的输出端设置有第一皮带轮槽和第二皮带轮槽，其中，所述转向泵和所述发电机通过所述第一皮带轮槽连接于所述辅驱电机，所述空调压缩机通过所述第二皮带轮槽连接于所述辅驱电机，所述辅驱电机通过所述支架固定设置在车体上，所述第一皮带轮槽和所述第二皮带轮槽的皮带分别连接于所述张紧器。The system of claim 2, wherein the auxiliary electric drive motor further comprises a bracket and a tensioner, and the output end of the auxiliary drive motor is provided with a first a pulley groove and a second pulley groove, wherein the steering pump and the generator are connected to the auxiliary drive motor through the first pulley groove, and the air conditioner compressor is connected to the second pulley groove The auxiliary drive motor is fixedly disposed on the vehicle body through the bracket, and the belts of the first pulley groove and the second pulley groove are respectively connected to the tensioner.
  4. 根据权利要求2所述的纯电动双电机控制器驱动辅驱轮系电机的系统，其特征在于，所述第一IGBT模块的功率大于所述第二IGBT模块的功率。The system of claim 2, wherein the power of the first IGBT module is greater than the power of the second IGBT module.
  5. 根据权利要求1所述的纯电动双电机控制器驱动辅驱轮系电机的系统，其特征在于，所述驱动电机为永磁同步电机。A system for driving an auxiliary drive train wheel motor of the pure electric dual motor controller according to claim 1, wherein the drive motor is a permanent magnet synchronous motor.
  6. 根据权利要求1所述的纯电动双电机控制器驱动辅驱轮系电机的系统，其特征在于，所述驱动电机还连接于选换挡机构，所述选换挡机构还连接于所述整车控制器。The system of claim 1 , wherein the drive motor is further connected to a shift select mechanism, and the select shift mechanism is further connected to the whole Car controller.
  7. 一种应用权利要求1所述的纯电动双电机控制器驱动辅驱轮系电机的系统进行驱动辅驱电机的方法，其特征在于，包括如下步骤：A method for driving a secondary drive motor by driving a system of a secondary electric motor controller according to claim 1 , wherein the method comprises the following steps:
    步骤1、整车控制器采集纯电动汽车的档位信息、车辆运行速度信息、空调开关状态、空调温度档位和低压负载大小的信息；Step 1. The vehicle controller collects information on the gear position information of the pure electric vehicle, the vehicle running speed information, the air conditioning switch state, the air conditioning temperature gear position and the low pressure load size;
    步骤2、整车控制器将步骤1中所采集的信息通过A/D转换后发送给第二电机控制模块进行辅驱电机的控制；Step 2: The vehicle controller transmits the information collected in step 1 to the second motor control module through A/D conversion, and performs control of the auxiliary drive motor;
    步骤2.1、发电机经过调压器调压后输出恒定电压，根据负载需要，自行调节励磁电流的大小控制输出功率影响辅驱电机输出功率；Step 2.1: The generator outputs a constant voltage after being regulated by the voltage regulator, and adjusts the magnitude of the excitation current according to the load requirement to control the output power to affect the output power of the auxiliary drive motor;
    步骤2.2、通过车载空调的空调A/C开关控制电磁离合器启动空调，其中，电磁离合器设置在辅驱电机和空调压缩机之间，其中，第二电机控制模块根据空调温度档位的大小来影响辅驱电机输出功率；Step 2.2: Control the electromagnetic clutch to start the air conditioner through the air conditioner A/C switch of the vehicle air conditioner, wherein the electromagnetic clutch is disposed between the auxiliary drive motor and the air conditioner compressor, wherein the second motor control module affects according to the size of the air conditioner temperature gear position Auxiliary drive motor output power;
    步骤2.3、第二电机控制模块根据车辆当前档位信息、车辆运行速度信息和转向角速度信息进行转向泵请求扭矩的计算；Step 2.3: The second motor control module performs calculation of the steering pump request torque according to the current gear position information of the vehicle, the vehicle running speed information, and the steering angular speed information;
    步骤2.4、第二电机控制模块根据驱动发电机、驱动转向泵和驱动空调压缩机的需要对辅驱电机的扭矩和转速进行控制。Step 2.4: The second motor control module controls the torque and the rotational speed of the auxiliary drive motor according to the needs of driving the generator, driving the steering pump, and driving the air conditioner compressor.
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