WO2015027394A1 - Hybrid vehicle and driving motor system thereof - Google Patents

Hybrid vehicle and driving motor system thereof Download PDF

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Publication number
WO2015027394A1
WO2015027394A1 PCT/CN2013/082356 CN2013082356W WO2015027394A1 WO 2015027394 A1 WO2015027394 A1 WO 2015027394A1 CN 2013082356 W CN2013082356 W CN 2013082356W WO 2015027394 A1 WO2015027394 A1 WO 2015027394A1
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WO
WIPO (PCT)
Prior art keywords
motor system
drive motor
sub
motors
sun gear
Prior art date
Application number
PCT/CN2013/082356
Other languages
French (fr)
Chinese (zh)
Inventor
姚友良
宋润州
侯文军
石松山
Original Assignee
山推工程机械股份有限公司
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Publication date
Application filed by 山推工程机械股份有限公司 filed Critical 山推工程机械股份有限公司
Priority to PCT/CN2013/082356 priority Critical patent/WO2015027394A1/en
Publication of WO2015027394A1 publication Critical patent/WO2015027394A1/en

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Classifications

    • 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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B60K6/405—Housings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • 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
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors

Definitions

  • the present invention relates to the field of motor technology, and more particularly to a hybrid vehicle and a drive motor system thereof.
  • the electric drive technology that can be applied to various types of vehicles mainly includes pure electric technology and hybrid power technology. Compared with the two technologies, hybrid technology has an absolute advantage in terms of technology, performance and cost.
  • the drive motor and its control system are the key to the hybrid technology.
  • the drive motor on the hybrid vehicle should meet the following requirements, such as high efficiency, low loss, light weight, small size, high power density, and strong overload capability. , low cost, good reliability, etc.
  • Reluctance motor low specific power, medium, high, peak efficiency
  • permanent magnet synchronous motors Compared with other types of motors, permanent magnet synchronous motors have the following advantages: high efficiency, high power factor, high power density; simple structure, good reliability, small size, light weight, easy maintenance; low overall heat generation, cooling system Simple; motor dynamic performance, limit speed and braking performance are superior to other types of motors.
  • the present invention provides a drive motor system that is small in size and high in power and can be applied to a large vehicle.
  • the present invention also provides a hybrid vehicle including the above-described drive motor system.
  • a drive motor system provided by the present invention includes a case and at least one of the cabinets Two sub-motors, a planet gear disposed on each of the sub-motor output shafts, a sun gear meshing with each of the planet wheels, and a total output shaft coaxially coupled to the sun gear.
  • the casing is provided with a first coolant circulation passage passing through a position of a rotating shaft bearing of the planetary gear, a position of the planetary gear and the sun gear meshing position, and a position of a rotating shaft bearing of the sun gear
  • the driving The motor system further includes a liquid storage device in communication with the first coolant circulation passage, a first circulation power device that drives the coolant to flow along the first coolant circulation passage, and a heat for dissipating heat in the liquid storage device Heat sink.
  • the tank is further provided with a second coolant circulation passage through each sub-motor, the second coolant circulation passage is in communication with the liquid storage device, and the drive motor system further comprises driving cooling a second circulating power unit in which the liquid flows along the second coolant circulation path.
  • the case includes a front end cover and a rear end cover, and the total output shaft is coupled to the front end cover by a bearing.
  • a torque sensor for detecting an output shaft torque of each of the sub-motors and a controller for controlling each of the sub-motor torques according to the torque detected by the torque sensor are further included.
  • each of the sub-motors is a permanent magnet motor.
  • the present invention also provides a hybrid vehicle comprising the drive motor system of any of the above.
  • the invention provides a driving motor system, comprising a box body, at least two sub-motors disposed on the box body, planet wheels disposed on an output shaft of each of the sub-motors, and a sun meshing with each of the planet wheels a wheel and a total output shaft coaxially coupled to the sun gear.
  • the driving motor system provided by the present invention integrates a plurality of sub-motors together through a box, and has a small volume.
  • the output shaft of each sub-motor transmits power to the planetary gears, and each of the planetary gears is coupled with the sun gear.
  • the sun gear is simultaneously driven by a plurality of planetary gears, and the drive motor system provided by the present invention is large in power and small in size, and can be applied to a large vehicle.
  • the present invention also provides a hybrid vehicle including the drive motor system as described above.
  • the hybrid vehicle provided by the present invention has a large power and small volume, and the derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effects of the above-mentioned driving motor, and thus will not be described herein.
  • FIG. 1 is a schematic diagram of an exploded structure of a drive motor system according to an embodiment of the present invention
  • FIG. 2 is a power transmission route diagram of a drive motor system according to an embodiment of the present invention
  • FIG. 3 is a first cooling of a drive motor system according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a second cooling system of a driving motor system according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a monitoring system of a driving motor system according to an embodiment of the present invention.
  • the present embodiment provides a drive motor system that is small in size and high in power and can be applied to a large vehicle.
  • This embodiment also provides a hybrid vehicle including the above-described drive motor system.
  • the driving motor system provided by the present embodiment includes a casing 11 , at least two sub-motors 12 disposed on the casing 11 , and planet wheels 13 disposed on the output shaft of each sub-motor 12 , and The sun gear 14 in which the respective planet gears 13 are meshed and the total output shaft 15 coaxially connected to the sun gear 14.
  • the driving motor system provided by the present embodiment integrates the plurality of sub-motors 12 through the casing 11 and has a small volume.
  • the output shaft of each sub-motor 12 transmits power to the planetary gears 13 and the respective planets.
  • the wheels 13 are meshed with the sun gear 14, and the sun gear 14 is simultaneously driven by a plurality of planet wheels 13.
  • the drive motor system provided by the present invention has a large power and a small size, and can be applied to a large vehicle.
  • a first cooling system is disposed in the casing 11, and the first A cooling system includes a position of a shaft bearing passing through the planetary gear 13, that is, a position of the planetary wheel shaft bearing 16 shown in FIG. 3, a meshing position of the planetary gear 13 and the sun gear 14, that is, a position of the gear train gear pair 17 shown in FIG.
  • the driving motor system further includes a liquid storage device 19 communicating with the first coolant circulating circuit, and driving A first circulating power unit 20 through which the coolant flows along the first coolant circulation path and a heat sink for dissipating heat in the liquid storage unit 19.
  • the heat sink of the liquid storage device 19 may be a fan.
  • the air flow provided by the fan brings in the heat in the liquid storage device 19 to reduce the temperature of the coolant.
  • the first circulating power device 20 may be a pump.
  • the drive motor system provided by the present embodiment can effectively cool the position of the planetary wheel shaft bearing 16 , the position of the gear train gear pair 17 and the position of the sun gear output shaft bearing 18 to prevent high temperature during operation and to the components. Life expectancy has an adverse effect.
  • the specific embodiment may further include a second cooling system including a second coolant circulation passage disposed in the casing 11 and passing through each of the sub-motors 12, a second coolant circulation passage and a liquid storage device.
  • the drive motor system further includes a second circulating power unit 21 for driving the coolant to flow along the second coolant circulation path.
  • the second cooling system may share a liquid storage device 19 and a heat sink with the first cooling system, and the second circulating power device 21 may also be a pump.
  • the drive motor system provided by the present embodiment can cool the stator, the rotor, and the like of each of the sub-motors 12 to prevent the sub-motor 12 from being generated at a high temperature during operation and adversely affecting the life of the components.
  • the casing 11 of the drive motor system includes a front end cover 22 and a rear end cover 23, and the total output shaft 15 is coupled to the front end cover 22 by bearings.
  • a torque sensor 24 for detecting the output shaft torque of each of the sub-motors 12 and a controller 25 for controlling the torque of each of the sub-motors 12 based on the torque detected by the torque sensor 24 are further included.
  • the controller 25 can control the output torque of each of the sub-motors 12 by controlling the input current of each of the sub-motors 12.
  • the drive motor system provided by this embodiment may further include a display for displaying the torque detected by the torque sensor 24. 26. With this arrangement, the torque of each sub-motor 12 can be monitored by the display 26 and the controller 25, ensuring that each sub-motor 12 system can operate accurately.
  • each of the sub-motors 12 is preferably a permanent magnet motor, and may of course be a DC motor, an induction motor or a switched reluctance motor.
  • This embodiment also provides a hybrid vehicle including the drive motor system as described above.
  • the hybrid vehicle provided by the embodiment has a large power and a small volume, and the derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effects of the above-mentioned driving motor, so the description will not be repeated herein. .

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

Abstract

A driving motor system and a hybrid vehicle comprising same. The driving motor system comprises a housing (11), at least two sub motors (12) arranged in the housing (11), a planet wheel (13) arranged on the output shaft of each said sub motor (12), a sun wheel (14) engaged with each planet wheel (13), and a total output shaft (15) coaxially connected to the sun wheel (14). The driving motor system has small volume and high power, and can be used for large vehicle.

Description

一种混合动力车辆及其驱动电机*** 技术领域  Hybrid vehicle and its driving motor system
本发明涉及电机技术领域， 尤其涉及一种混合动力车辆及其驱动电机 ***。  The present invention relates to the field of motor technology, and more particularly to a hybrid vehicle and a drive motor system thereof.
背景技术 Background technique
随着我国石油资源的日趋紧张，节能的重要性已经上升到国家能源安全的 高度； 另外， 以商品柴油为主要动力原料的大型车辆已成为环境污染和能源过 度消耗的重要因素之一。  As China's oil resources become increasingly tight, the importance of energy conservation has risen to the level of national energy security. In addition, large vehicles with commercial diesel as the main driving material have become one of the important factors for environmental pollution and excessive energy consumption.
以解决环保需求与能源危机问题为出发点，电驱动技术的发展受到全球广 泛关注。 目前， 可应用于各类车辆的电驱动技术主要有纯电动技术与混合动力 技术， 这两种技术相比， 无论是技术上、 性能上还是成本上， 混合动力技术占 有绝对优势。  Starting from solving environmental protection needs and energy crisis issues, the development of electric drive technology has received wide attention worldwide. At present, the electric drive technology that can be applied to various types of vehicles mainly includes pure electric technology and hybrid power technology. Compared with the two technologies, hybrid technology has an absolute advantage in terms of technology, performance and cost.
驱动电机及其控制***是混合动力技术的关键，一般混合动力车辆上的驱 动电机应满足以下几个方面的要求， 如高效率、 低损耗、 质量轻、 体积小、 高 功率密度、 过载能力强、 成本低、 可靠性好等。  The drive motor and its control system are the key to the hybrid technology. Generally, the drive motor on the hybrid vehicle should meet the following requirements, such as high efficiency, low loss, light weight, small size, high power density, and strong overload capability. , low cost, good reliability, etc.
驱动电机种类很多， 以下是不同驱动电机的性能对比。  There are many types of drive motors. The following is a comparison of the performance of different drive motors.
开 关 项目 直流电机 感应电机 7j磁电机  On Off Item DC Motor Induction Motor 7j Magneto
磁阻电机 比功率 低 中 问 较高 峰值效  Reluctance motor, low specific power, medium, high, peak efficiency
85-89 94-95 95-97 90 率（％)  85-89 94-95 95-97 90 rate (%)
负荷效  Load efficiency
80-87 90-92 85-97 78-86 率（％)  80-87 90-92 85-97 78-86 rate (%)
功率因  Power factor
- 82-85 90-93 60-65 数（％ )  - 82-85 90-93 60-65 number (%)
恒功率  Constant power
- 1 :5 1 :2.25 1 :3 区 转速范 可 - 1 : 5 1 : 2.25 1 : 3 area Speed range
4000-6000 12000-15000 4000-10000  4000-6000 12000-15000 4000-10000
围 ( r/min ) 〉15000 可靠性 一般 好 优良 好 结构的 Surrounding (r/min) 〉15000 Reliability Generally Good Excellent Good Structure
差 好 一般 优良 坚固性  Poor good general good firmness
电机夕卜  Motor
大 中 小 小 廓  Large, medium and small
电机质  Motor quality
大 中 小 小 里  Big, medium and small
电机成  Motor into
10 8〜12 10-15 6〜10 本 ( $/kW )  10 8~12 10-15 6~10 this ($/kW)
控制操  Control operation
最好 好 好 好 作性能  Best, good, good performance.
控制器  Controller
低 问 问 一般 成本  Low ask general cost
永磁同步电动机与其他类型电动机相比， 具有以下几个优点： 效率最 高， 功率因数高， 功率密度大； 结构简单， 可靠性好， 体积小， 质量轻， 维护 方便； 整体发热小， 冷却***简单； 电机动态性能好， 极限转速和制动性能都 超过其他类型电动机。  Compared with other types of motors, permanent magnet synchronous motors have the following advantages: high efficiency, high power factor, high power density; simple structure, good reliability, small size, light weight, easy maintenance; low overall heat generation, cooling system Simple; motor dynamic performance, limit speed and braking performance are superior to other types of motors.
尽管永磁同步电动机功率密度大， 由于技术所限， 超大功率永磁电机 价格昂贵， 体积庞大， 艮难应用于实际生产， 目前混合动力车辆中永磁同步电 机仅在小型家用轿车有所应用， 对于大油耗高污染的大型车辆鲜有问津。  Despite the high power density of permanent magnet synchronous motors, due to technical limitations, ultra-high-power permanent magnet motors are expensive, bulky, and difficult to apply to actual production. At present, permanent magnet synchronous motors in hybrid vehicles are only used in small family cars. There is little interest in large vehicles with high fuel consumption and high pollution.
因此， 如何提供一种适用于大型车辆的驱动电机， 成为本领域技术人员所 要解决的重要技术问题。 发明内容  Therefore, how to provide a drive motor suitable for a large vehicle has become an important technical problem to be solved by those skilled in the art. Summary of the invention
本发明提供了一种驱动电机***， 其体积小、 功率大， 能够适用于大 型车辆。 本发明还提供了一种包括上述驱动电机***的混合动力车辆。  The present invention provides a drive motor system that is small in size and high in power and can be applied to a large vehicle. The present invention also provides a hybrid vehicle including the above-described drive motor system.
本发明提供的一种驱动电机***， 包括箱体、 设置于所述箱体的至少 两个子电机、 设置于各个所述子电机输出轴的行星轮、 与各个所述行星轮 均相啮合的太阳轮以及与所述太阳轮同轴连接的总输出轴。 A drive motor system provided by the present invention includes a case and at least one of the cabinets Two sub-motors, a planet gear disposed on each of the sub-motor output shafts, a sun gear meshing with each of the planet wheels, and a total output shaft coaxially coupled to the sun gear.
优选地， 所述箱体设有经过所述行星轮的转轴轴承位置、 所述行星轮 和所述太阳轮啮合位置以及所述太阳轮的转轴轴承位置的第一冷却液循环 道， 所述驱动电机***还包括与所述第一冷却液循环道相通的储液装置、 驱动冷却液沿所述第一冷却液循环道流动的第一循环动力装置以及用于散 发所述储液装置内的热量的散热装置。  Preferably, the casing is provided with a first coolant circulation passage passing through a position of a rotating shaft bearing of the planetary gear, a position of the planetary gear and the sun gear meshing position, and a position of a rotating shaft bearing of the sun gear, the driving The motor system further includes a liquid storage device in communication with the first coolant circulation passage, a first circulation power device that drives the coolant to flow along the first coolant circulation passage, and a heat for dissipating heat in the liquid storage device Heat sink.
优选地， 所述箱体还设有经过各个子电机的第二冷却液循环道， 所述 第二冷却液循环道与所述储液装置相连通， 所述驱动电机***还包括用于 驱动冷却液沿所述第二冷却液循环道流动的第二循环动力装置。  Preferably, the tank is further provided with a second coolant circulation passage through each sub-motor, the second coolant circulation passage is in communication with the liquid storage device, and the drive motor system further comprises driving cooling a second circulating power unit in which the liquid flows along the second coolant circulation path.
优选地， 所述箱体包括前端盖和后端盖， 所述总输出轴通过轴承连接 于所述前端盖。  Preferably, the case includes a front end cover and a rear end cover, and the total output shaft is coupled to the front end cover by a bearing.
优选地， 还包括用于检测各个所述子电机的输出轴转矩的扭矩传感器 以及根据所述扭矩传感器检测的扭矩控制各个所述子电机转矩的控制器。  Preferably, a torque sensor for detecting an output shaft torque of each of the sub-motors and a controller for controlling each of the sub-motor torques according to the torque detected by the torque sensor are further included.
优选地， 还包括用于显示所述扭矩传感器检测到的扭矩的显示器。 优选地， 各个所述子电机均为永磁电机。  Preferably, a display for displaying the torque detected by the torque sensor is also included. Preferably, each of the sub-motors is a permanent magnet motor.
本发明还提供了一种混合动力车辆， 包括如上任一项所述的驱动电机 ***。  The present invention also provides a hybrid vehicle comprising the drive motor system of any of the above.
本发明提供的一种驱动电机***， 包括箱体、 设置于所述箱体的至少 两个子电机、 设置于各个所述子电机输出轴的行星轮、 与各个所述行星轮 均相啮合的太阳轮以及与所述太阳轮同轴连接的总输出轴。 如此设置， 本 发明提供的驱动电机***， 将多个子电机通过箱体集成至一起， 其体积较 小， 另外， 各个子电机的输出轴将动力输送至行星轮， 各个行星轮均与太 阳轮相啮合， 太阳轮由多个行星轮同时驱动， 进而本发明提供的驱动电机 ***功率大、 体积小， 能够适用于大型车辆。  The invention provides a driving motor system, comprising a box body, at least two sub-motors disposed on the box body, planet wheels disposed on an output shaft of each of the sub-motors, and a sun meshing with each of the planet wheels a wheel and a total output shaft coaxially coupled to the sun gear. In this way, the driving motor system provided by the present invention integrates a plurality of sub-motors together through a box, and has a small volume. In addition, the output shaft of each sub-motor transmits power to the planetary gears, and each of the planetary gears is coupled with the sun gear. Engagement, the sun gear is simultaneously driven by a plurality of planetary gears, and the drive motor system provided by the present invention is large in power and small in size, and can be applied to a large vehicle.
本发明还提供了一种混合动力车辆， 包括如上所述的驱动电机***。 如此设置， 本发明提供的混合动力车辆， 其驱动电机***功率大、 体积小， 该有益效果的推导过程与上述驱动电机所带来的有益效果的推导过程大体 类似， 故本文不再贅述。 附图说明 The present invention also provides a hybrid vehicle including the drive motor system as described above. In this way, the hybrid vehicle provided by the present invention has a large power and small volume, and the derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effects of the above-mentioned driving motor, and thus will not be described herein. DRAWINGS
图 1为本发明具体实施方式中驱动电机******结构示意图； 图 2为本发明具体实施方式中驱动电机***的动力传递路线图； 图 3为本发明具体实施方式中驱动电机***的第一冷却***原理图； 图 4为本发明具体实施方式中驱动电机***的第二冷却***原理图； 图 5为本发明具体实施方式中驱动电机***的监控***原理图。 具体实施方式  1 is a schematic diagram of an exploded structure of a drive motor system according to an embodiment of the present invention; FIG. 2 is a power transmission route diagram of a drive motor system according to an embodiment of the present invention; FIG. 3 is a first cooling of a drive motor system according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a second cooling system of a driving motor system according to an embodiment of the present invention; FIG. 5 is a schematic diagram of a monitoring system of a driving motor system according to an embodiment of the present invention. detailed description
本具体实施方式提供了一种驱动电机***， 其体积小、 功率大， 能够 适用于大型车辆。 本具体实施方式还提供了一种包括上述驱动电机***的 混合动力车辆。  The present embodiment provides a drive motor system that is small in size and high in power and can be applied to a large vehicle. This embodiment also provides a hybrid vehicle including the above-described drive motor system.
下面将结合本发明实施例中的附图， 对本发明实施例中的技术方案进 行清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在没 有做出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的 范围。  The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
请参考图 1-图 5 ,本具体实施方式提供的驱动电机***， 包括箱体 11、 设置于箱体 11的至少两个子电机 12、设置于各个子电机 12的输出轴的行 星轮 13、 与各个行星轮 13均相啮合的太阳轮 14以及与太阳轮 14同轴连 接的总输出轴 15。  Referring to FIG. 1 to FIG. 5 , the driving motor system provided by the present embodiment includes a casing 11 , at least two sub-motors 12 disposed on the casing 11 , and planet wheels 13 disposed on the output shaft of each sub-motor 12 , and The sun gear 14 in which the respective planet gears 13 are meshed and the total output shaft 15 coaxially connected to the sun gear 14.
如此设置， 本具体实施方式提供的驱动电机***， 将多个子电机 12 通过箱体 11集成至一起， 其体积较小， 另外， 各个子电机 12的输出轴将 动力输送至行星轮 13 , 各个行星轮 13均与太阳轮 14相啮合， 太阳轮 14 由多个行星轮 13同时驱动，进而本发明提供的驱动电机***功率大、体积 小， 能够适用于大型车辆。  In this way, the driving motor system provided by the present embodiment integrates the plurality of sub-motors 12 through the casing 11 and has a small volume. In addition, the output shaft of each sub-motor 12 transmits power to the planetary gears 13 and the respective planets. The wheels 13 are meshed with the sun gear 14, and the sun gear 14 is simultaneously driven by a plurality of planet wheels 13. The drive motor system provided by the present invention has a large power and a small size, and can be applied to a large vehicle.
作为优选地， 本具体实施方式中， 箱体 11 内设有第一冷却***， 该第 一冷却***包括经过行星轮 13的转轴轴承位置即图 3中所示的行星轮子转 轴轴承 16位置、行星轮 13和太阳轮 14啮合位置即图 3中所示的轮系机构 齿轮副 17位置、 以及太阳轮 14的转轴轴承位置即图 3中所示的太阳轮输 出轴轴承 18位置的第一冷却液循环道，驱动电机***还包括与第一冷却液 循环道相通的储液装置 19、驱动冷却液沿第一冷却液循环道流动的第一循 环动力装置 20以及用于散发储液装置 19内的热量的散热装置。 Preferably, in the specific embodiment, a first cooling system is disposed in the casing 11, and the first A cooling system includes a position of a shaft bearing passing through the planetary gear 13, that is, a position of the planetary wheel shaft bearing 16 shown in FIG. 3, a meshing position of the planetary gear 13 and the sun gear 14, that is, a position of the gear train gear pair 17 shown in FIG. And the first cooling liquid circulation path of the sun shaft bearing position of the sun gear 14, that is, the position of the sun gear output shaft bearing 18 shown in FIG. 3, the driving motor system further includes a liquid storage device 19 communicating with the first coolant circulating circuit, and driving A first circulating power unit 20 through which the coolant flows along the first coolant circulation path and a heat sink for dissipating heat in the liquid storage unit 19.
上述储液装置 19散热装置可以为风扇，通过风扇提供的风流将储液装 置 19内的热量带走进而降低冷却液的温度， 第一循环动力装置 20可以为 泵。  The heat sink of the liquid storage device 19 may be a fan. The air flow provided by the fan brings in the heat in the liquid storage device 19 to reduce the temperature of the coolant. The first circulating power device 20 may be a pump.
如此设置， 本具体实施方式提供的驱动电机***， 能够对行星轮子转 轴轴承 16位置、轮系机构齿轮副 17位置以及太阳轮输出轴轴承 18位置进 行有效冷却， 防止运行时产生高温而对部件的寿命产生不利影响。  With this arrangement, the drive motor system provided by the present embodiment can effectively cool the position of the planetary wheel shaft bearing 16 , the position of the gear train gear pair 17 and the position of the sun gear output shaft bearing 18 to prevent high temperature during operation and to the components. Life expectancy has an adverse effect.
另外， 本具体实施方式还可以包括第二冷却***， 该第二冷却***包 括设置于箱体 11的且经过各个子电机 12的第二冷却液循环道， 第二冷却 液循环道与储液装置 19相连通，驱动电机***还包括用于驱动冷却液沿第 二冷却液循环道流动的第二循环动力装置 21。  In addition, the specific embodiment may further include a second cooling system including a second coolant circulation passage disposed in the casing 11 and passing through each of the sub-motors 12, a second coolant circulation passage and a liquid storage device. The 19-phase communication, the drive motor system further includes a second circulating power unit 21 for driving the coolant to flow along the second coolant circulation path.
需要说明的是， 第二冷却***可与第一冷却***共用一个储液装置 19 和散热装置， 第二循环动力装置 21也可为泵。  It should be noted that the second cooling system may share a liquid storage device 19 and a heat sink with the first cooling system, and the second circulating power device 21 may also be a pump.
如此设置， 本具体实施方式提供的驱动电机***， 能够对各个子电机 12的定子、 转子等部件进行冷却， 防止运行时子电机 12产生高温而对部 件的寿命产生不利影响。  With this arrangement, the drive motor system provided by the present embodiment can cool the stator, the rotor, and the like of each of the sub-motors 12 to prevent the sub-motor 12 from being generated at a high temperature during operation and adversely affecting the life of the components.
作为优选及举例 ,驱动电机***的箱体 11包括前端盖 22和后端盖 23 , 总输出轴 15通过轴承连接于前端盖 22。 如此设置， 可方便地对驱动电机 ***进行拆卸， 进而提高了检修驱动电机***的可操作性。  As a preferred and exemplified, the casing 11 of the drive motor system includes a front end cover 22 and a rear end cover 23, and the total output shaft 15 is coupled to the front end cover 22 by bearings. With this arrangement, the drive motor system can be easily disassembled, thereby improving the operability of the inspection drive motor system.
本具体实施方式的优选方案中，还包括用于检测各个子电机 12的输出 轴转矩的扭矩传感器 24以及根据扭矩传感器 24检测的扭矩控制各个子电 机 12转矩的控制器 25。 控制器 25可通过对各个子电机 12的输入电流进 行控制， 进而控制各个子电机 12的输出扭矩。 另外， 本具体实施方式提供 的驱动电机***还可包括用于显示扭矩传感器 24 检测到的扭矩的显示器 26。如此设置，通过显示器 26和控制器 25能够监控各个子电机 12的扭矩， 确保各个子电机 12***能够精确运行。 In a preferred embodiment of the present embodiment, a torque sensor 24 for detecting the output shaft torque of each of the sub-motors 12 and a controller 25 for controlling the torque of each of the sub-motors 12 based on the torque detected by the torque sensor 24 are further included. The controller 25 can control the output torque of each of the sub-motors 12 by controlling the input current of each of the sub-motors 12. Additionally, the drive motor system provided by this embodiment may further include a display for displaying the torque detected by the torque sensor 24. 26. With this arrangement, the torque of each sub-motor 12 can be monitored by the display 26 and the controller 25, ensuring that each sub-motor 12 system can operate accurately.
本具体实施方式中各个子电机 12优选为永磁电机，当然也可以是直流 电机、 感应电机或开关磁阻电机等。  In the embodiment, each of the sub-motors 12 is preferably a permanent magnet motor, and may of course be a DC motor, an induction motor or a switched reluctance motor.
本具体实施方式还提供了一种混合动力车辆， 包括如上所述的驱动电 机***。 如此设置， 本具体实施方式提供的混合动力车辆， 其驱动电机系 统功率大、 体积小， 该有益效果的推导过程与上述驱动电机所带来的有益 效果的推导过程大体类似， 故本文不再贅述。  This embodiment also provides a hybrid vehicle including the drive motor system as described above. In this way, the hybrid vehicle provided by the embodiment has a large power and a small volume, and the derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effects of the above-mentioned driving motor, so the description will not be repeated herein. .
对所公开的实施例的上述说明， 使本领域专业技术人员能够实现或使 用本发明。 对这些实施例的多种修改对本领域的专业技术人员来说将是显 而易见的， 本文中所定义的一般原理可以在不脱离本发明的精神或范围的 情况下， 在其它实施例中实现。 因此， 本发明将不会被限制于本文所示的 这些实施例， 而是要符合与本文所公开的原理和新颖特点相一致的最宽的 范围。  The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention is not intended to be limited to the embodiments shown herein, but the broadest scopes

Claims

权 利 要 求 Rights request
1、 一种驱动电机***， 其特征在于， 包括箱体、 设置于所述箱体的至 少两个子电机、 设置于各个所述子电机输出轴的行星轮、 与各个所述行星 轮均相啮合的太阳轮以及与所述太阳轮同轴连接的总输出轴。 1. A drive motor system, characterized in that it includes a box body, at least two sub-motors arranged on the box body, planetary gears arranged on the output shafts of each of the sub-motors, and meshing with each of the planetary gears. The sun gear and the total output shaft are coaxially connected with the sun gear.
2、 如权利要求 1所述的驱动电机***， 其特征在于， 所述箱体设有经 过所述行星轮的转轴轴承位置、 所述行星轮和所述太阳轮啮合位置以及所 述太阳轮的转轴轴承位置的第一冷却液循环道， 所述驱动电机***还包括 与所述第一冷却液循环道相通的储液装置、 驱动冷却液沿所述第一冷却液 循环道流动的第一循环动力装置以及用于散发所述储液装置内的热量的散 热装置。 2. The drive motor system according to claim 1, wherein the box is provided with a rotation shaft bearing position passing through the planet wheel, a meshing position of the planet wheel and the sun gear, and a position of the sun gear. A first coolant circulation channel at the position of the rotating shaft bearing. The drive motor system also includes a liquid storage device communicated with the first coolant circulation channel, and a first circulation that drives the coolant to flow along the first coolant circulation channel. A power device and a heat dissipation device for dissipating heat in the liquid storage device.
3、 如权利要求 2所述的驱动电机***， 其特征在于， 所述箱体还设有 经过各个子电机的第二冷却液循环道， 所述第二冷却液循环道与所述储液 装置相连通， 所述驱动电机***还包括用于驱动冷却液沿所述第二冷却液 循环道流动的第二循环动力装置。 3. The drive motor system according to claim 2, wherein the box is further provided with a second coolant circulation channel passing through each sub-motor, and the second coolant circulation channel and the liquid storage device are In communication, the drive motor system further includes a second circulation power device for driving the coolant to flow along the second coolant circulation channel.
4、 如权利要求 1所述的驱动电机***， 其特征在于， 所述箱体包括前 端盖和后端盖， 所述总输出轴通过轴承连接于所述前端盖。 4. The drive motor system according to claim 1, wherein the box body includes a front end cover and a rear end cover, and the total output shaft is connected to the front end cover through a bearing.
5、 如权利要求 1所述的驱动电机***， 其特征在于， 还包括用于检测 各个所述子电机的输出轴转矩的扭矩传感器以及根据所述扭矩传感器检测 的扭矩控制各个所述子电机转矩的控制器。 5. The drive motor system according to claim 1, further comprising a torque sensor for detecting the output shaft torque of each of the sub-motors and controlling each of the sub-motors according to the torque detected by the torque sensor. Torque controller.
6、 如权利要求 5所述的驱动电机***， 其特征在于， 还包括用于显示 所述扭矩传感器检测到的扭矩的显示器。 6. The drive motor system of claim 5, further comprising a display for displaying the torque detected by the torque sensor.
7、 如权利要求 1所述的驱动电机***， 其特征在于， 各个所述子电机 均为永磁电机。 7. The drive motor system according to claim 1, characterized in that each of the sub-motors is a permanent magnet motor.
8、 一种混合动力车辆， 其特征在于， 包括如权利要求 1-7任一项所述 的驱动电机***。 8. A hybrid vehicle, characterized in that it includes a drive motor system as described in any one of claims 1-7.
PCT/CN2013/082356 2013-08-27 2013-08-27 Hybrid vehicle and driving motor system thereof WO2015027394A1 (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743950A1 (en) * 1996-01-23 1997-07-25 Sait Mining COMPACT POWER ELECTRIC MOTOR-REDUCER GROUP
GB2333572A (en) * 1997-12-02 1999-07-28 Valex Spa A motor drive comprising at least two motors
CN102844969A (en) * 2010-06-08 2012-12-26 爱信艾达株式会社 Vehicle drive system
WO2013034697A1 (en) * 2011-09-09 2013-03-14 Compagnie Engrenages Et Reducteurs - Messian - Durand Drive for a vertical mill with a plurality of main drives
CN202882834U (en) * 2012-10-25 2013-04-17 四川盛堡机电科技有限责任公司 Detecting device for oil drilling blowout preventer
CN103262394A (en) * 2010-12-09 2013-08-21 索尤若驱动有限及两合公司 Cooling arrangement and geared motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743950A1 (en) * 1996-01-23 1997-07-25 Sait Mining COMPACT POWER ELECTRIC MOTOR-REDUCER GROUP
GB2333572A (en) * 1997-12-02 1999-07-28 Valex Spa A motor drive comprising at least two motors
CN102844969A (en) * 2010-06-08 2012-12-26 爱信艾达株式会社 Vehicle drive system
CN103262394A (en) * 2010-12-09 2013-08-21 索尤若驱动有限及两合公司 Cooling arrangement and geared motor
WO2013034697A1 (en) * 2011-09-09 2013-03-14 Compagnie Engrenages Et Reducteurs - Messian - Durand Drive for a vertical mill with a plurality of main drives
CN202882834U (en) * 2012-10-25 2013-04-17 四川盛堡机电科技有限责任公司 Detecting device for oil drilling blowout preventer

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