WO2023284129A1 - Electric motorcycle continuously variable transmission system - Google Patents

Electric motorcycle continuously variable transmission system Download PDF

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Publication number
WO2023284129A1
WO2023284129A1 PCT/CN2021/121301 CN2021121301W WO2023284129A1 WO 2023284129 A1 WO2023284129 A1 WO 2023284129A1 CN 2021121301 W CN2021121301 W CN 2021121301W WO 2023284129 A1 WO2023284129 A1 WO 2023284129A1
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WO
WIPO (PCT)
Prior art keywords
electric
worm
gear
continuously variable
variable transmission
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PCT/CN2021/121301
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French (fr)
Chinese (zh)
Inventor
贺先兵
方道霖
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八方电气(苏州)股份有限公司
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Publication of WO2023284129A1 publication Critical patent/WO2023284129A1/en

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    • 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
    • B60K6/36—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 transmission gearings
    • B60K6/365—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 transmission gearings with the gears having orbital motion
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable

Definitions

  • the utility model relates to the field of electric motorcycles, in particular to an electric motorcycle stepless speed change system.
  • direct drive and deceleration are driven with a fixed reduction ratio, and the speed change is divided into stepped speed change and continuously variable speed.
  • Stepped transmission mainly adopts multi-gear speed ratio, and the speed ratio between gears is clear.
  • the continuously variable automatic transmission is mainly connected by a belt or a steel belt. When a large torque is transmitted, it will slip, the heat dissipation performance is poor, and it cannot bear a large load. At the same time, the transmission efficiency is low. It is applied to electric motorcycles. The effect is not good.
  • this utility model is to provide an electric motorcycle continuously variable transmission system, which uses a plurality of drive motors to cooperate with planetary gear mechanisms to realize continuously variable transmission, can transmit relatively large torque, and transmits With high efficiency, simple structure and good stability, it is suitable for electric motorcycles and can improve driving experience.
  • An electric motorcycle continuously variable transmission system comprising:
  • a planetary gear mechanism comprising a sun gear, a planet carrier and a ring gear
  • a worm and gear mechanism includes a worm wheel and a worm, and the worm wheel and the ring gear are linked in the circumferential direction;
  • the worm wheel is arranged on the outer wall of the ring gear.
  • the worm gear and the ring gear are integrally formed.
  • the first electric input unit includes a first input shaft connected to the sun gear, and a first drive motor connected to the first input shaft.
  • first drive motors there are multiple first drive motors, and the multiple first drive motors are connected to the first input shaft after power coupling.
  • the second electric input unit includes a second input shaft connected to the worm, and a second drive motor connected to the second input shaft.
  • the output assembly includes an output shaft connected to the planet carrier, and an output gear is arranged on the output shaft.
  • the output assembly is connected with a transmission assembly.
  • the first electric input unit includes a first drive motor, a first motor controller and a first battery;
  • the second electric input unit includes a second drive motor, a second motor controller and a second battery.
  • the first electric input unit includes a plurality of first driving motors, and each of the first driving motors is independently configured with the first motor controller and the first battery.
  • the utility model has the following beneficial effects:
  • Multiple driving motors cooperate with planetary gear mechanism to realize stepless speed change, which can transmit large torque and high transmission efficiency. At the same time, it has simple structure and good stability. It is suitable for electric motorcycles and can improve driving experience;
  • the worm gear mechanism is adopted, which can not only realize the transmission of rotational speed, but also realize different working conditions by using its locking function, so as to simplify the structure and reduce the cost.
  • Fig. 1 is a schematic structural diagram of an electric friction continuously variable transmission system in an embodiment.
  • a kind of electric friction continuously variable transmission system with reference to Fig. 1, it comprises planetary gear mechanism and worm gear mechanism; Planetary gear mechanism comprises sun gear 11, planet carrier 12 and ring gear 14, is provided with sun gear 11 and The planetary gear 13 meshed with the ring gear 14; the worm gear mechanism includes a worm gear and a worm 15, and the worm gear and the ring gear 14 are linked in the circumferential direction; the sun gear 11 is connected with the first electric input unit, and the worm 15 is connected with the second electric input unit.
  • Rack 12 is connected to the output assembly.
  • the worm gear is arranged on the outer wall of the ring gear 14.
  • the worm gear and the ring gear 14 are integrally formed, so that the structure can be simplified, the cost can be reduced, and the assembly can be facilitated; in other optional embodiments, the worm gear
  • the circumferential linkage with the ring gear 14 can also be realized through the keyway structure, and the worm wheel can also be arranged on the end wall of the ring gear 14 , which is not limited here.
  • the first electric input unit includes a first input shaft 21 connected to the sun gear 11, and a first drive motor 5 connected to the first input shaft 21; specifically, the motor shaft of the first drive motor 5 is connected to the first drive motor 5
  • An input shaft 21 is connected through a keyway structure or a coupling, or the motor shaft and the first input shaft 21 are integrally formed; if the motor shaft and the first input shaft 21 are integrally formed, the first input shaft 21 and the sun gear 11 is preferably connected through a keyway structure; if the motor shaft and the first input shaft 21 are two independent parts, then the first input shaft 21 and the sun gear 11 can be connected through a keyway structure, or the first input shaft 21 and the sun gear 11 is integrally formed, which is not limited here.
  • the quantity of the first drive motor 5 is one in the present embodiment, in other optional embodiments, the quantity of the first drive motor 5 also can be multiple, and a plurality of first drive motors 5 carry out power After being coupled, it is connected with the first input shaft 21; specifically, the power coupling between the multiple first drive motors 5 can be realized through a gear set.
  • the second electric input unit includes a second input shaft 22 connected to the worm 15, and a second drive motor 6 connected to the second input shaft 22; specifically, the motor shaft of the second drive motor 6, the second
  • the input shaft 22 and the worm screw 15 can be three independent parts, or the motor shaft and the second input shaft 22 are integrally formed, or the second input shaft 22 and the worm screw 15 are integrally formed, and there is no limitation here. .
  • the output assembly in this embodiment includes an output shaft 31 connected to the planet carrier 12, and an output gear 32 is arranged on the output shaft 31; specifically, the output shaft 31 and the planet carrier 12 are connected through a keyway structure, or integrated Forming is not limited here; in this embodiment, the output assembly is connected with a transmission assembly, and the output path is extended through the transmission assembly to facilitate system layout; specifically, the transmission assembly in this embodiment includes a first transmission gear 41, a second transmission The gear 43 and the transmission shaft 42 connected between the first transmission gear 41 and the second transmission gear 43 ; the output gear 32 meshes with the first transmission gear 41 to transmit the rotational speed.
  • the first electric input unit in this embodiment also includes a first motor controller 71 and a first battery 72; the second electric input unit also includes a second motor controller 81 and a second battery 82; in this embodiment Multiple batteries are used to supply power separately instead of one battery, so that the design requirements for the battery are reduced, the capacity of a single battery is small, the heat is not easy to concentrate, and the heat dissipation can be realized by using air cooling; in other optional embodiments, if The first electric input unit includes a plurality of first drive motors 5, and each first drive motor 5 is independently equipped with a first motor controller 71 and a first battery 72; The variable speed controller 9 connected to the controller 71 and the second motor controller 81 coordinates the work of the first driving motor 5 and the second driving motor 6 through the variable speed controller 9 .
  • variable speed controller 9 sends a running command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the starting torque, The variable speed controller 9 sends reverse order to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and the planet
  • the steering of the carrier 12 is the same, the ring gear 14 is opposite to the steering of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 is output through the coupling of the planetary gear mechanism, and the vehicle starts quickly.
  • variable speed controller 9 When the vehicle is running at a constant speed or with a medium or low load, the variable speed controller 9 sends an operating command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5; the variable speed controller 9 sends an operation command to the second motor controller 81 When the stop command is issued, the second motor controller 81 controls the second drive motor 6 to stop. At this time, the ring gear 14 is locked by the worm gear mechanism and does not rotate, and the speed change system is output at a fixed reduction ratio.
  • variable speed controller 9 sends an operating command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the torque,
  • the variable speed controller 9 sends reverse order to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and the planet
  • the steering of the carrier 12 is the same, the ring gear 14 is opposite to the steering of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 is output through the coupling of the planetary gear mechanism, and the vehicle accelerates powerfully.
  • variable speed controller 9 When the vehicle runs at extreme speed, the variable speed controller 9 sends a running command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the output speed , the variable speed controller 9 sends forward rotation instructions to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and The steering of the planetary carrier 12 is the same, the steering of the ring gear 14 is the same as that of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 are output after coupling through the planetary gear mechanism, and the vehicle runs at a very high speed.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)

Abstract

An electric motorcycle continuously variable transmission system, comprising: a planetary gear mechanism, comprising a sun gear (11), a planet carrier (12), and a ring gear (14); a worm and worm wheel mechanism, comprising a worm wheel and a worm (15), and the worm wheel and the ring gear being linked in the circumferential direction; a first electric input unit connected to the sun gear; a second electric input unit connected to the worm; and an output assembly connected to the planet carrier. The system uses multiple drive motors working in conjunction with the planetary gear mechanism to achieve continuously variable transmission, can transmit a large torque, has high transmission efficiency as well as a simple structure and high stability, is suitable for electric motorcycles, and can improve the driving experience.

Description

一种电摩无级变速***An electric motorcycle continuously variable transmission system 技术领域technical field
本实用新型涉及电动摩托车领域，更具体地说，它涉及一种电摩无级变速***。The utility model relates to the field of electric motorcycles, in particular to an electric motorcycle stepless speed change system.
背景技术Background technique
目前电动摩托车上使用的驱动***有多种方式，分为直驱、减速和变速三种，其中直驱和减速为固定减速比驱动方式，变速又分为有级变速和无级变速。有级变速主要采用多挡速比，挡位与挡位之间速比清晰，在换挡时需要短时间切断电机动力输出，这样当车辆在某些工况换挡时，会带来冲击，影响车辆行驶舒适性。而目前无级自动变速箱，主要采用皮带或钢带连接，在传递较大扭矩时，会出现打滑现象，散热性能差，不能承受较大的负载，同时传动效率低，应用于电动摩托车上时效果不佳。At present, there are many kinds of drive systems used on electric motorcycles, which are divided into three types: direct drive, deceleration and variable speed. Among them, direct drive and deceleration are driven with a fixed reduction ratio, and the speed change is divided into stepped speed change and continuously variable speed. Stepped transmission mainly adopts multi-gear speed ratio, and the speed ratio between gears is clear. When shifting gears, it is necessary to cut off the power output of the motor for a short time, so that when the vehicle shifts gears under certain working conditions, it will bring shock. affect the driving comfort of the vehicle. At present, the continuously variable automatic transmission is mainly connected by a belt or a steel belt. When a large torque is transmitted, it will slip, the heat dissipation performance is poor, and it cannot bear a large load. At the same time, the transmission efficiency is low. It is applied to electric motorcycles. The effect is not good.
实用新型内容Utility model content
针对现有技术存在的不足，本实用新型的目的在于提供一种电摩无级变速***，其采用多个驱动电机与行星齿轮机构配合来实现无级变速，能够传递较大的扭矩，且传动效率高，同时结构简单，稳定性好，适用于电动摩托车，能够提高驾驶体验。Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide an electric motorcycle continuously variable transmission system, which uses a plurality of drive motors to cooperate with planetary gear mechanisms to realize continuously variable transmission, can transmit relatively large torque, and transmits With high efficiency, simple structure and good stability, it is suitable for electric motorcycles and can improve driving experience.
为实现上述目的，本实用新型提供了如下技术方案：In order to achieve the above object, the utility model provides the following technical solutions:
一种电摩无级变速***，包括：An electric motorcycle continuously variable transmission system, comprising:
行星齿轮机构，所述行星齿轮机构包括太阳轮、行星架和齿圈；a planetary gear mechanism comprising a sun gear, a planet carrier and a ring gear;
蜗轮蜗杆机构，所述蜗轮蜗杆机构包括蜗轮和蜗杆，所述蜗轮与齿圈沿周向联动；A worm and gear mechanism, the worm and gear mechanism includes a worm wheel and a worm, and the worm wheel and the ring gear are linked in the circumferential direction;
与所述太阳轮连接的第一电动输入单元；a first electrical input unit connected to the sun gear;
与所述蜗杆连接的第二电动输入单元；以及，a second electrical input unit connected to the worm; and,
与所述行星架连接的输出组件。output assembly connected to the planet carrier.
进一步地，所述蜗轮设置于所述齿圈外侧壁。Further, the worm wheel is arranged on the outer wall of the ring gear.
进一步地，所述蜗轮与齿圈为一体成型。Further, the worm gear and the ring gear are integrally formed.
进一步地，所述第一电动输入单元包括与所述太阳轮连接的第一输入轴，以及与所述第一输入轴连接的第一驱动电机。Further, the first electric input unit includes a first input shaft connected to the sun gear, and a first drive motor connected to the first input shaft.
进一步地，所述第一驱动电机的数量为多个，且多个所述第一驱动电机进行动力耦合后与所述第一输入轴连接。Further, there are multiple first drive motors, and the multiple first drive motors are connected to the first input shaft after power coupling.
进一步地，所述第二电动输入单元包括与所述蜗杆连接的第二输入轴，以及与所述第二输入轴连接的第二驱动电机。Further, the second electric input unit includes a second input shaft connected to the worm, and a second drive motor connected to the second input shaft.
进一步地，所述输出组件包括与所述行星架连接的输出轴，所述输出轴上设置有输出齿轮。Further, the output assembly includes an output shaft connected to the planet carrier, and an output gear is arranged on the output shaft.
进一步地，所述输出组件连接有传动组件。Further, the output assembly is connected with a transmission assembly.
进一步地，所述第一电动输入单元包括第一驱动电机、第一电机控制器和第一电池；所述第二电动输入单元包括第二驱动电机、第二电机控制器和第二电池。Further, the first electric input unit includes a first drive motor, a first motor controller and a first battery; the second electric input unit includes a second drive motor, a second motor controller and a second battery.
进一步地，所述第一电动输入单元包括多个所述第一驱动电机，且每一所述第一驱动电机均独立配置有所述第一电机控制器和第一电池。Further, the first electric input unit includes a plurality of first driving motors, and each of the first driving motors is independently configured with the first motor controller and the first battery.
综上所述，本实用新型具有以下有益效果：In summary, the utility model has the following beneficial effects:
1、多个驱动电机与行星齿轮机构配合来实现无级变速，能够传递较大的扭矩，且传动效率高，同时结构简单，稳定性好，适用于电动摩托车，能够 提高驾驶体验；1. Multiple driving motors cooperate with planetary gear mechanism to realize stepless speed change, which can transmit large torque and high transmission efficiency. At the same time, it has simple structure and good stability. It is suitable for electric motorcycles and can improve driving experience;
2、采用了蜗轮蜗杆机构，不仅能够实现转速的传递，还能够利用其锁止功能实现不同的工况，从而能够简化结构，降低成本。2. The worm gear mechanism is adopted, which can not only realize the transmission of rotational speed, but also realize different working conditions by using its locking function, so as to simplify the structure and reduce the cost.
附图说明Description of drawings
图1为实施例中一种电摩无级变速***的结构示意图。Fig. 1 is a schematic structural diagram of an electric friction continuously variable transmission system in an embodiment.
图中：11、太阳轮；12、行星架；13、行星轮；14、齿圈；15、蜗杆；21、第一输入轴；22、第二输入轴；31、输出轴；32、输出齿轮；41、第一传动齿轮；42、传动轴；43、第二传动齿轮；5、第一驱动电机；6、第二驱动电机；71、第一电机控制器；72、第一电池；81、第二电机控制器；82、第二电池；9、变速控制器。In the figure: 11, sun gear; 12, planet carrier; 13, planetary gear; 14, ring gear; 15, worm; 21, first input shaft; 22, second input shaft; 31, output shaft; 32, output gear ; 41, the first transmission gear; 42, the transmission shaft; 43, the second transmission gear; 5, the first drive motor; 6, the second drive motor; 71, the first motor controller; 72, the first battery; 81, The second motor controller; 82, the second battery; 9, the variable speed controller.
具体实施方式detailed description
以下结合附图对本实用新型作进一步详细说明。Below in conjunction with accompanying drawing, the utility model is described in further detail.
本具体实施例仅仅是对本实用新型的解释，其并不是对本实用新型的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本实用新型的权利要求范围内都受到专利法的保护。This specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. After reading this description, those skilled in the art can make modifications to the embodiment without creative contribution according to needs, but as long as it is within the utility model All new claims are protected by patent law.
实施例：Example:
一种电摩无级变速***，参照图1，其包括行星齿轮机构和蜗轮蜗杆机构；行星齿轮机构包括太阳轮11、行星架12和齿圈14，行星架12上设置有与太阳轮11和齿圈14啮合的行星轮13；蜗轮蜗杆机构包括蜗轮和蜗杆15，蜗轮与齿圈14沿周向联动；太阳轮11连接有第一电动输入单元，蜗杆15连接有第二电动输入单元，行星架12连接有输出组件。A kind of electric friction continuously variable transmission system, with reference to Fig. 1, it comprises planetary gear mechanism and worm gear mechanism; Planetary gear mechanism comprises sun gear 11, planet carrier 12 and ring gear 14, is provided with sun gear 11 and The planetary gear 13 meshed with the ring gear 14; the worm gear mechanism includes a worm gear and a worm 15, and the worm gear and the ring gear 14 are linked in the circumferential direction; the sun gear 11 is connected with the first electric input unit, and the worm 15 is connected with the second electric input unit. Rack 12 is connected to the output assembly.
参照图1，本实施例中蜗轮设置于齿圈14外侧壁，优选地，蜗轮与齿圈14为一体成型，从而能够简化结构，降低成本，便于装配；在其他可选的实施例中，蜗轮与齿圈14之间也可以通过键槽结构实现周向联动，而蜗轮也可以设置于齿圈14的端壁，在此不做限制。Referring to Fig. 1, in this embodiment, the worm gear is arranged on the outer wall of the ring gear 14. Preferably, the worm gear and the ring gear 14 are integrally formed, so that the structure can be simplified, the cost can be reduced, and the assembly can be facilitated; in other optional embodiments, the worm gear The circumferential linkage with the ring gear 14 can also be realized through the keyway structure, and the worm wheel can also be arranged on the end wall of the ring gear 14 , which is not limited here.
参照图1，第一电动输入单元包括与太阳轮11连接的第一输入轴21，以及与第一输入轴21连接的第一驱动电机5；具体地，第一驱动电机5的电机轴与第一输入轴21通过键槽结构或者联轴器进行连接，亦或者电机轴与第一输入轴21为一体成型；若电机轴与第一输入轴21为一体成型，则第一输入轴21与太阳轮11优选地通过键槽结构连接；若电机轴与第一输入轴21为独立的两个零件，则第一输入轴21与太阳轮11可以通过键槽结构连接，亦或者第一输入轴21与太阳轮11为一体成型，在此不做限制。1, the first electric input unit includes a first input shaft 21 connected to the sun gear 11, and a first drive motor 5 connected to the first input shaft 21; specifically, the motor shaft of the first drive motor 5 is connected to the first drive motor 5 An input shaft 21 is connected through a keyway structure or a coupling, or the motor shaft and the first input shaft 21 are integrally formed; if the motor shaft and the first input shaft 21 are integrally formed, the first input shaft 21 and the sun gear 11 is preferably connected through a keyway structure; if the motor shaft and the first input shaft 21 are two independent parts, then the first input shaft 21 and the sun gear 11 can be connected through a keyway structure, or the first input shaft 21 and the sun gear 11 is integrally formed, which is not limited here.
参照图1，本实施例中第一驱动电机5的数量为一个，在其他可选的实施例中，第一驱动电机5的数量也可以为多个，且多个第一驱动电机5进行动力耦合后与第一输入轴21连接；具体地，多个第一驱动电机5之间可以通过齿轮组来实现动力耦合。With reference to Fig. 1, the quantity of the first drive motor 5 is one in the present embodiment, in other optional embodiments, the quantity of the first drive motor 5 also can be multiple, and a plurality of first drive motors 5 carry out power After being coupled, it is connected with the first input shaft 21; specifically, the power coupling between the multiple first drive motors 5 can be realized through a gear set.
参照图1，第二电动输入单元包括与蜗杆15连接的第二输入轴22，以及与第二输入轴22连接的第二驱动电机6；具体地，第二驱动电机6的电机轴、第二输入轴22以及蜗杆15可以为三个独立的零件，或者将电机轴与第二输入轴22设置为一体成型，亦或者将第二输入轴22与蜗杆15设置为一体成型，在此不做限制。1, the second electric input unit includes a second input shaft 22 connected to the worm 15, and a second drive motor 6 connected to the second input shaft 22; specifically, the motor shaft of the second drive motor 6, the second The input shaft 22 and the worm screw 15 can be three independent parts, or the motor shaft and the second input shaft 22 are integrally formed, or the second input shaft 22 and the worm screw 15 are integrally formed, and there is no limitation here. .
参照图1，本实施例中输出组件包括与行星架12连接的输出轴31，输出轴31上设置有输出齿轮32；具体地，输出轴31与行星架12通过键槽结构 连接，亦或者为一体成型，在此不做限制；本实施例中输出组件连接有传动组件，通过传动组件来延长输出路径，便于***布置；具体地，本实施例中传动组件包括第一传动齿轮41、第二传动齿轮43以及连接于第一传动齿轮41与第二传动齿轮43之间的传动轴42；输出齿轮32与第一传动齿轮41啮合，来传递转速。Referring to Fig. 1, the output assembly in this embodiment includes an output shaft 31 connected to the planet carrier 12, and an output gear 32 is arranged on the output shaft 31; specifically, the output shaft 31 and the planet carrier 12 are connected through a keyway structure, or integrated Forming is not limited here; in this embodiment, the output assembly is connected with a transmission assembly, and the output path is extended through the transmission assembly to facilitate system layout; specifically, the transmission assembly in this embodiment includes a first transmission gear 41, a second transmission The gear 43 and the transmission shaft 42 connected between the first transmission gear 41 and the second transmission gear 43 ; the output gear 32 meshes with the first transmission gear 41 to transmit the rotational speed.
参照图1，本实施例中第一电动输入单元还包括第一电机控制器71和第一电池72；第二电动输入单元还包括第二电机控制器81和第二电池82；本实施例中采用多个电池来分别供电，而不是采用一块电池，这样对电池的设计要求降低，单个电池容量小，热量不容易集中，采用风冷即可实现散热；在其他可选的实施例中，若第一电动输入单元包括多个第一驱动电机5，则每一第一驱动电机5均独立配置有第一电机控制器71和第一电池72；本实施例中变速***还包括与第一电机控制器71和第二电机控制器81连接的变速控制器9，通过变速控制器9来协调第一驱动电机5和第二驱动电机6的工作。Referring to Fig. 1, the first electric input unit in this embodiment also includes a first motor controller 71 and a first battery 72; the second electric input unit also includes a second motor controller 81 and a second battery 82; in this embodiment Multiple batteries are used to supply power separately instead of one battery, so that the design requirements for the battery are reduced, the capacity of a single battery is small, the heat is not easy to concentrate, and the heat dissipation can be realized by using air cooling; in other optional embodiments, if The first electric input unit includes a plurality of first drive motors 5, and each first drive motor 5 is independently equipped with a first motor controller 71 and a first battery 72; The variable speed controller 9 connected to the controller 71 and the second motor controller 81 coordinates the work of the first driving motor 5 and the second driving motor 6 through the variable speed controller 9 .
工作原理如下：It works as follows:
车辆起步时，变速控制器9给第一电机控制器71发运行指令，第一电机控制器71控制第一驱动电机5运行，第一驱动电机5驱动太阳轮11转动；同时为了增加起步扭矩，变速控制器9给第二电机控制器81发反转指令，第二电机控制器81控制第二驱动电机6运行，第二驱动电机6通过蜗轮蜗杆机构驱动齿圈14转动；太阳轮11与行星架12的转向相同，齿圈14与行星架12的转向相反，第一驱动电机5与第二驱动电机6的动力通过行星齿轮机构耦合后输出，车辆快速起步。When the vehicle starts, the variable speed controller 9 sends a running command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the starting torque, The variable speed controller 9 sends reverse order to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and the planet The steering of the carrier 12 is the same, the ring gear 14 is opposite to the steering of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 is output through the coupling of the planetary gear mechanism, and the vehicle starts quickly.
车辆在匀速或者中低负荷运行时，变速控制器9给第一电机控制器71发运行指令，第一电机控制器71控制第一驱动电机5运行；变速控制器9给第二电机控制器81发停转指令，第二电机控制器81控制第二驱动电机6停转，此时齿圈14被蜗轮蜗杆机构锁止不转，变速***处于固定减速比输出。When the vehicle is running at a constant speed or with a medium or low load, the variable speed controller 9 sends an operating command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5; the variable speed controller 9 sends an operation command to the second motor controller 81 When the stop command is issued, the second motor controller 81 controls the second drive motor 6 to stop. At this time, the ring gear 14 is locked by the worm gear mechanism and does not rotate, and the speed change system is output at a fixed reduction ratio.
车辆加速过程中，变速控制器9给第一电机控制器71发运行指令，第一电机控制器71控制第一驱动电机5运行，第一驱动电机5驱动太阳轮11转动；同时为了增加扭矩，变速控制器9给第二电机控制器81发反转指令，第二电机控制器81控制第二驱动电机6运行，第二驱动电机6通过蜗轮蜗杆机构驱动齿圈14转动；太阳轮11与行星架12的转向相同，齿圈14与行星架12的转向相反，第一驱动电机5与第二驱动电机6的动力通过行星齿轮机构耦合后输出，车辆加速有力。During the acceleration process of the vehicle, the variable speed controller 9 sends an operating command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the torque, The variable speed controller 9 sends reverse order to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and the planet The steering of the carrier 12 is the same, the ring gear 14 is opposite to the steering of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 is output through the coupling of the planetary gear mechanism, and the vehicle accelerates powerfully.
车辆极速运行时，变速控制器9给第一电机控制器71发运行指令，第一电机控制器71控制第一驱动电机5运行，第一驱动电机5驱动太阳轮11转动；同时为了增加输出转速，变速控制器9给第二电机控制器81发正转指令，第二电机控制器81控制第二驱动电机6运行，第二驱动电机6通过蜗轮蜗杆机构驱动齿圈14转动；太阳轮11与行星架12的转向相同，齿圈14与行星架12的转向相同，第一驱动电机5与第二驱动电机6的动力通过行星齿轮机构耦合后输出，车辆极速运行。When the vehicle runs at extreme speed, the variable speed controller 9 sends a running command to the first motor controller 71, and the first motor controller 71 controls the operation of the first drive motor 5, and the first drive motor 5 drives the sun gear 11 to rotate; simultaneously, in order to increase the output speed , the variable speed controller 9 sends forward rotation instructions to the second motor controller 81, and the second motor controller 81 controls the operation of the second drive motor 6, and the second drive motor 6 drives the ring gear 14 to rotate through the worm gear mechanism; the sun gear 11 and The steering of the planetary carrier 12 is the same, the steering of the ring gear 14 is the same as that of the planetary carrier 12, the power of the first drive motor 5 and the second drive motor 6 are output after coupling through the planetary gear mechanism, and the vehicle runs at a very high speed.

Claims (10)

  1. 一种电摩无级变速***，其特征在于，包括：An electric motorcycle continuously variable transmission system is characterized in that it includes:
    行星齿轮机构，所述行星齿轮机构包括太阳轮、行星架和齿圈；a planetary gear mechanism comprising a sun gear, a planet carrier and a ring gear;
    蜗轮蜗杆机构，所述蜗轮蜗杆机构包括蜗轮和蜗杆，所述蜗轮与齿圈沿周向联动；A worm and gear mechanism, the worm and gear mechanism includes a worm wheel and a worm, and the worm wheel and the ring gear are linked in the circumferential direction;
    与所述太阳轮连接的第一电动输入单元；a first electrical input unit connected to the sun gear;
    与所述蜗杆连接的第二电动输入单元；以及，a second electrical input unit connected to the worm; and,
    与所述行星架连接的输出组件。output assembly connected to the planet carrier.
  2. 根据权利要求1所述的电摩无级变速***，其特征在于：所述蜗轮设置于所述齿圈外侧壁。The electric-motorcycle continuously variable transmission system according to claim 1, wherein the worm gear is arranged on the outer wall of the ring gear.
  3. 根据权利要求2所述的电摩无级变速***，其特征在于：所述蜗轮与齿圈为一体成型。The electric-motorcycle continuously variable transmission system according to claim 2, characterized in that: the worm gear and the ring gear are integrally formed.
  4. 根据权利要求1所述的电摩无级变速***，其特征在于：所述第一电动输入单元包括与所述太阳轮连接的第一输入轴，以及与所述第一输入轴连接的第一驱动电机。The electric-motorcycle continuously variable transmission system according to claim 1, wherein the first electric input unit includes a first input shaft connected to the sun gear, and a first input shaft connected to the first input shaft. motor.
  5. 根据权利要求4所述的电摩无级变速***，其特征在于：所述第一驱动电机的数量为多个，且多个所述第一驱动电机进行动力耦合后与所述第一输入轴连接。The electric-motorcycle continuously variable transmission system according to claim 4, characterized in that: the number of the first drive motors is multiple, and the multiple first drive motors are power-coupled with the first input shaft connect.
  6. 根据权利要求1所述的电摩无级变速***，其特征在于：所述第二电动输入单元包括与所述蜗杆连接的第二输入轴，以及与所述第二输入轴连接的第二驱动电机。The electric-motorcycle continuously variable transmission system according to claim 1, characterized in that: the second electric input unit includes a second input shaft connected to the worm, and a second driving shaft connected to the second input shaft motor.
  7. 根据权利要求1所述的电摩无级变速***，其特征在于：所述输出组件包括与所述行星架连接的输出轴，所述输出轴上设置有输出 齿轮。The electric-motorcycle continuously variable transmission system according to claim 1, wherein the output assembly includes an output shaft connected to the planet carrier, and an output gear is arranged on the output shaft.
  8. 根据权利要求1所述的电摩无级变速***，其特征在于：所述输出组件连接有传动组件。The electric-motorcycle continuously variable transmission system according to claim 1, characterized in that: the output assembly is connected with a transmission assembly.
  9. 根据权利要求1所述的电摩无级变速***，其特征在于：所述第一电动输入单元包括第一驱动电机、第一电机控制器和第一电池；所述第二电动输入单元包括第二驱动电机、第二电机控制器和第二电池。The electric-motorcycle continuously variable transmission system according to claim 1, characterized in that: the first electric input unit includes a first driving motor, a first motor controller and a first battery; the second electric input unit includes a first Two drive motors, a second motor controller and a second battery.
  10. 根据权利要求9所述的电摩无级变速***，其特征在于：所述第一电动输入单元包括多个所述第一驱动电机，且每一所述第一驱动电机均独立配置有所述第一电机控制器和第一电池。The electric-motorcycle continuously variable transmission system according to claim 9, characterized in that: the first electric input unit includes a plurality of the first drive motors, and each of the first drive motors is independently configured with the A first motor controller and a first battery.
PCT/CN2021/121301 2021-07-16 2021-09-28 Electric motorcycle continuously variable transmission system WO2023284129A1 (en)

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Publication number Priority date Publication date Assignee Title
US4973295A (en) * 1989-03-31 1990-11-27 Gabrielle Reng-Yi Wu Lee Stepless variable ratio transmission
CN2400635Y (en) * 1999-01-15 2000-10-11 张以都 Gearings for soft starting and stepless speed-changing
CN101598194A (en) * 2009-07-03 2009-12-09 胡捷 A kind of double powered variable transmission for electric automobile
KR20150123662A (en) * 2014-04-26 2015-11-04 김완진 Automatic Continuously Variable Transmission
CN206088138U (en) * 2016-10-13 2017-04-12 宁夏大学 Belt conveyor speed regulation transmission device
CN109291782A (en) * 2018-10-16 2019-02-01 湖南吉利汽车部件有限公司 A kind of planetary speed changing devices and hybrid vehicle
CN110107670A (en) * 2019-05-28 2019-08-09 金国贤 A kind of intelligence transmission ratios differential system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973295A (en) * 1989-03-31 1990-11-27 Gabrielle Reng-Yi Wu Lee Stepless variable ratio transmission
CN2400635Y (en) * 1999-01-15 2000-10-11 张以都 Gearings for soft starting and stepless speed-changing
CN101598194A (en) * 2009-07-03 2009-12-09 胡捷 A kind of double powered variable transmission for electric automobile
KR20150123662A (en) * 2014-04-26 2015-11-04 김완진 Automatic Continuously Variable Transmission
CN206088138U (en) * 2016-10-13 2017-04-12 宁夏大学 Belt conveyor speed regulation transmission device
CN109291782A (en) * 2018-10-16 2019-02-01 湖南吉利汽车部件有限公司 A kind of planetary speed changing devices and hybrid vehicle
CN110107670A (en) * 2019-05-28 2019-08-09 金国贤 A kind of intelligence transmission ratios differential system

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