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WO2012162974A1 - 电动轿车外转子发电机 - Google Patents

电动轿车外转子发电机 Download PDF

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Publication number
WO2012162974A1
WO2012162974A1 PCT/CN2011/079378 CN2011079378W WO2012162974A1 WO 2012162974 A1 WO2012162974 A1 WO 2012162974A1 CN 2011079378 W CN2011079378 W CN 2011079378W WO 2012162974 A1 WO2012162974 A1 WO 2012162974A1
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WO
WIPO (PCT)
Prior art keywords
outer rotor
electric car
inner stator
generator
rotor generator
Prior art date
Application number
PCT/CN2011/079378
Other languages
English (en)
French (fr)
Inventor
邱刚义
黄美如
邱阳
田琼
Original Assignee
Qiu Gangyi
Huang Meiru
Qiu Yang
Tian Qiong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qiu Gangyi, Huang Meiru, Qiu Yang, Tian Qiong filed Critical Qiu Gangyi
Publication of WO2012162974A1 publication Critical patent/WO2012162974A1/zh

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Classifications

    • 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
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1846—Rotary generators structurally associated with wheels or associated parts
    • 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
    • B60K25/00—Auxiliary drives
    • B60K25/08—Auxiliary drives from a ground wheel, e.g. engaging the wheel tread or rim
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present invention relates to an outer rotor generator, and more particularly to an outer rotor generator that utilizes a driven wheel of an electric car to generate electricity. Background technique
  • the engine outputs power, and after being converted by the shifting system, it is transmitted to the driving wheels, so that the driving force can be generated for the car.
  • the driven wheel of the automobile Under the driving force of the driving wheel, the driven wheel of the automobile is also pulled and rotated.
  • the battery is used for power supply, the power consumption is large, and the energy utilization rate is not ideal.
  • the driven wheel has a large rotating speed when the car is running, the driven wheel only idling at a high speed, and the utilization rate of the kinetic energy is low, thereby causing a certain amount of mechanical energy waste.
  • the technical problem to be solved by the present invention is to provide an electric car outer rotor generator, which can effectively utilize the high-speed rotation of the driven wheel when the vehicle is running to generate electricity, and reasonably convert the mechanical energy into electric energy, and the structure is single and scientific and environmentally friendly. High life.
  • the present invention provides an electric car outer rotor generator disposed on a driven wheel of the electric car, the outer rotor generator including: an inner stator fixedly coupled to the electric car And an outer rotor rotatably coupled to the driven axle of the electric car and sleeved on the outer portion of the inner stator; wherein the outer stator of the inner stator is further provided with multiple sets of windings a coil, the inner cylinder wall of the outer rotor is further provided with a plurality of permanent magnets uniformly distributed at a predetermined interval, and when the outer rotor rotates relative to the inner stator, the winding turns and the permanent magnet are generated Cutting the magnetic line motion.
  • the outer rotor further includes: an outer rotor body connected by the first outer rotor bearing To the driven axle and to the outside of the inner stator; and an outer rotor cover connected to the driven axle by a second outer rotor bearing and located inside the inner stator; The outer rotor body and the outer rotor cover are in a snap-fit connection.
  • an outer side of the first outer rotor bearing and/or the second outer rotor bearing is further provided with an oil seal.
  • outer circumference of the outer rotor body is detachably coupled to the hub by a wheel coupling screw, and the wheel hub is sleeved with a tire.
  • the outer rotor generator further includes an electric disc brake disposed on the driven axle for braking the outer rotor.
  • the kinetic energy of the driven wheel during driving of the automobile can be effectively utilized to generate electricity, the mechanical energy can be reasonably converted into electric energy, and the auxiliary electric energy can be further provided to the automobile, thereby avoiding the waste of kinetic energy and the structural unit.
  • Scientific and environmentally friendly it has a wide range of practicalities.
  • the outer rotor and the hub are detachably connected, the outer rotor generator of the present invention is easily disassembled, the maintenance process is finished, and the service life is effectively extended, which is economical.
  • FIG. 1 is a schematic structural view of an electric car outer rotor generator of the present invention
  • FIG. 2 is an exploded perspective view of an electric car outer rotor generator of the present invention
  • FIG 3 is a side view of the outer rotor body of the electric car outer rotor generator of the present invention. Preferred embodiment of the invention
  • an electric car outer rotor generator 10 disposed on a driven wheel of the electric car, wherein the outer rotor generator 10 includes: an inner stator 11, a fixed connection On the driven axle 20 of the electric car; and the outer rotor 12, rotatably connected
  • the driven axle 20 of the electric car is sleeved on the outside of the inner stator 11.
  • the inner stator 11 further includes a plurality of sets of winding turns 31, and the plurality of sets of winding turns 31 are disposed on the outer peripheral portion of the inner stator 11; the outer rotor 12 is further provided with a plurality of permanent magnets 32.
  • the plurality of permanent magnets 32 are evenly distributed on the inner cylinder wall of the outer rotor 12 at predetermined intervals as a rotating magnetic field.
  • a magnetic flux line motion is generated between the winding turns 31 and the permanent magnets 32, thereby generating electrical energy according to the principle of electromagnetic induction.
  • the number of the above permanent magnets and winding turns is not unique, and a suitable number of permanent magnets and winding turns can be set according to different requirements of the actual output electrical energy.
  • the outer rotor 12 further includes: an outer rotor body 121 connected to the driven axle 20 via a first outer rotor bearing 41 and located at the inner stator
  • the outer rotor cover 122 is coupled to the driven axle 20 via a second outer rotor bearing 42 and is located inside the inner stator.
  • a snap-fit connection is made between the outer rotor body 121 and the outer rotor cover 122 to ensure the reliability and stability of the connection relationship between the outer rotor body 121 and the outer rotor cover 122. Due to the action of the first outer rotor bearing 41 and the second outer rotor bearing 42, the rotation of the outer rotor 12 can be ensured to be smooth, natural, safe and reliable.
  • the outer side of the first outer rotor shaft 741 and the second outer rotor shaft 7 42 are respectively provided with an oil seal 43 to prevent leakage of lubricating oil and prevent dust from entering the inner part of the bearing to ensure The normal operation of the outer rotor generator.
  • the outer portion of the outer rotor body 121 can be detachably coupled to the hub 45 by a fastener, such as a wheel coupling screw 44, on which the tire 46 is sleeved.
  • a fastener such as a wheel coupling screw 44
  • the outer rotor 12 is provided with a plurality of permanent magnets 32.
  • the outer rotor 12 follows the driven wheel tire 46 to rotate on the ground, the inner stator 11 is opposite to the outer rotor 12.
  • the magnetic line motion is cut to generate electrical energy, and the electrical energy is stored in a corresponding electrical storage device for use as auxiliary electrical energy for automotive instrumentation, illumination, and other accessory electrical appliances.
  • the outer rotor generator further includes an electric disc brake 47 disposed on the driven axle 20 and located inside the driven wheel for when required The outer rotor 12 is moved to stop rotation.
  • the outer rotor generator according to the present invention can be disposed on the two driven wheels of the automobile, so that it can effectively utilize the kinetic energy of the high-speed rotation of the driven wheel when the vehicle is running, reasonably
  • the mechanical energy is converted into electric energy, and the auxiliary electric energy of the auxiliary electric appliance of the automobile is further provided, thereby avoiding the waste of kinetic energy.
  • the structure of the invention is simple, scientific and environmentally friendly, and can be applied to various power vehicles, so it has wide practicality.
  • the outer rotor and the hub are detachably connected, when the tire wears, the new wheel hub and the tire are replaced by disassembling the wheel coupling screw, so that the outer rotor generator of the present invention is easy to assemble and disassemble, and the maintenance process is obtained. It is tubular and effectively extends its service life and is economical.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

一种设置在电动轿车的从动轮上的电动轿车外转子发电机（10）。该外转子发电机包括内定子（11）和外转子（12），内定子固定连接在电动轿车的从动轴（20）上，外转子可转动地连接在电动轿车的从动轴上并套设在内定子的外部。内定子的外周还设置有多套绕组线圈（31），该外转子的内壁上还设置有多个以预定间隔均匀布置的永磁体（32）。当外转子相对于内定子转动时，绕组线圈与永磁体之间产生切割磁感线运动。该电动轿车外转子发电机结构简单，并能有效地利用当汽车行驶时从动轮高速旋转的动能进行发电，合理地将机械能转换成电能。

Description

电动轿车外转子发电机
技术领域
本发明涉及一种外转子发电机， 尤其涉及一种利用电动轿车的从动轮来 发电的外转子发电机。 背景技术
众所周知， 在汽车的行驶过程中， 由发动机输出动力， 经过变速系统的 转换之后， 传送至驱动轮， 从而能够对汽车产生驱动力。 在驱动轮的驱动力 作用下， 汽车的从动轮也随之被牵引而转动， 然而由于汽车在运行过程中， 汽车仪表、 照明、 及其他附属电器等均需要消耗电能， 而仅依靠汽车所带的 蓄电池来进行供电， 耗电量大， 能源利用率并不理想。 考虑到汽车行驶时从 动轮具备较大的旋转速度， 然而从动轮仅高速空转， 其动能的利用率较低， 从而造成一定程度的机械能的浪费。 于是， 利用汽车的从动轮的高速旋转的 动能来发电， 将其动能转换成电能， 以产生辅助电能以供一部分汽车电器使 用， 是亟需考虑和解决的问题。 发明内容
本发明要解决的技术问题在于提供一种电动轿车外转子发电机， 能够有 效地利用汽车行驶时从动轮的高速旋转而进行发电， 合理地将机械能转换成 电能， 结构筒单且科学环保， 使用寿命高。
为实现上述目的， 本发明提供了一种电动轿车外转子发电机， 设置在所 述电动轿车的从动轮上， 所述外转子发电机包括有： 内定子， 固定连接在所 述电动轿车的从动车轴上； 以及外转子， 可转动地连接在所述电动轿车的从 动车轴上， 并套设在所述内定子的外部； 其中， 所述内定子的外周部上还设 置有多套绕组线圏， 所述外转子的内筒壁上还设置有多个以预定间隔均布的 永磁体， 当所述外转子相对于所述内定子转动， 所述绕组线圏与永磁体之间 产生切割磁感线运动。
进一步地， 所述外转子还包括： 外转子本体， 通过第一外转子轴承连接 到所述从动车轴上， 并位于所述内定子的外侧； 以及外转子盖板， 通过第二 外转子轴承连接到所述从动车轴上， 并位于所述内定子的内侧； 其中， 所述 外转子本体与所述外转子盖板之间为卡合连接。
进一步地，所述第一外转子轴承和 /或第二外转子轴承的外侧还设置有油 封。
进一步地， 外转子本体的外周通过车轮联接螺丝可拆卸地连接有轮毂， 所述轮毂上套设有轮胎。
进一步地， 所述外转子发电机还包括有电盘式刹车， 设置在所述从动车 轴上， 用以制动所述外转子。
根据本发明的外转子发电机， 能够有效地利用汽车行驶时从动轮的动能 而进行发电， 合理地将机械能转换成电能， 进一步给汽车提供辅助电能， 避 免了动能的白白浪费， 结构筒单， 科学环保， 故具备广泛的实用性。 与此同 时， 由于外转子与轮毂之间采用可拆卸连接， 使得本发明的外转子发电机拆 装方便， 维修过程得到筒化， 并且有效地延长了其使用寿命， 经济性较佳。
附图说明
下面结合附图和具体实施方式对本发明进行详细说明。 其中：
图 1为本发明的电动轿车外转子发电机的结构示意图；
图 2为本发明的电动轿车外转子发电机的分解示意图； 以及
图 3为本发明的电动轿车外转子发电机的外转子本体的侧视图。 本发明的较佳实施方式
下面， 通过示例性的实施方式对本发明进行具体描述。 然而应当理解， 在没有进一步叙述的情况下， 一个实施方式中的元件、 结构和特征也可以有 益地结合到其它实施方式中。
参阅图 1 , 其示出了根据本发明的一种电动轿车外转子发电机 10, 设置 在所述电动轿车的从动轮上， 其中所述外转子发电机 10包括有： 内定子 11 , 固定连接在所述电动轿车的从动车轴 20上； 以及外转子 12, 可转动地连接 在所述电动轿车的从动车轴 20上， 并套设在所述内定子 11的外部。 其中， 所述内定子 11上还包括有多套绕组线圏 31 ,所述多套绕组线圏 31设置在内 定子 11的外周部上； 所述外转子 12上还设置有多个永磁体 32, 所述多个永 磁体 32以预定间隔均布在外转子 12的内筒壁上， 以作为旋转磁场。 当所述 外转子 12相对于所述内定子 11转动， 绕组线圏 31与永磁体 32之间产生切 割磁感线运动， 根据电磁感应原理从而产生电能。 应当理解地是， 上述永磁 体和绕组线圏的个数并不唯一， 即可根据实际输出电能多少的不同需求量而 设置相适宜数量的永磁体和绕组线圏。
结合图 2所示， 为了便于加工制作以及安装， 所述外转子 12还包括： 外转子本体 121 , 通过第一外转子轴承 41连接到所述从动车轴 20上， 并位 于所述内定子的外侧； 以及外转子盖板 122, 通过第二外转子轴承 42连接到 所述从动车轴 20上， 并位于所述内定子的内侧。 可选的是， 所述外转子本 体 121与所述外转子盖板 122之间采用卡合连接， 以保证外转子本体 121和 外转子盖板 122之间的连接关系的可靠性和稳定性。由于第一外转子轴承 41 和第二外转子轴承 42的作用，可保证外转子 12的转动顺畅自然，安全可靠。
与此同时， 所述第一外转子轴 7 41以及第二外转子轴 7 42的外侧还分 别设置有油封 43 , 以起到防止润滑油渗漏、 以及防止灰尘进入轴承内部的作 用， 以保证外转子发电机的正常工作。
值得指出地是， 外转子本体 121的外部可通过紧固件， 例如车轮联接螺 丝 44可拆卸地连接有轮毂 45 , 所述轮毂上套设有轮胎 46。 由于内定子 11 上设置有多套绕组线圏 31 , 外转子 12上设置有多个永磁体 32, 当外转子 12 跟随从动轮轮胎 46在地面上进行转动时， 内定子 11相对于外转子 12作切 割磁感线运动， 从而产生电能， 并所述电能储存在相对应的储电设备中， 以 作为辅助电能供给汽车仪表、 照明、 及其他附属电器所使用。
由于本发明的外转子 12与轮毂 45之间采用可拆卸地连接方式， 当轮胎
46发生磨损时， 仅需要通过拆卸车轮联接螺丝 44, 将轮毂 45连带磨损的轮 胎 46换下， 再更换新的轮毂和轮胎即可， 从而有效克服了现有的外转子发 电机由于外转子与轮毂为一体成型的结构， 当轮毂或轮胎发生磨损， 将会导 致整个发电机报废的缺陷， 因此本发明的外转子发电机的维修筒单方便， 更 加节省经济成本。
为易于控制外转子 12 的转动， 所述外转子发电机还包括有电盘式刹车 47 , 设置在所述从动车轴 20上， 并位于所述从动轮的内侧， 以用于在需要 时制动所述外转子 12, 使其停止转动。
综上所述， 根据本发明的外转子发电机， 可将其设置在汽车的两个从动 轮上， 使其能够有效地利用汽车行驶时， 从动轮的高速旋转的动能而进行发 电， 合理地将机械能转换成电能， 进一步给汽车的附属电器提供辅助电能， 避免了动能的白白浪费。 本发明结构筒单， 科学环保， 能够适用于各种动力 车辆， 故具备广泛的实用性。 另一方面， 由于外转子与轮毂之间采用可拆卸 连接， 当轮胎发生磨损时， 通过拆卸车轮联接螺丝以更换新的轮毂和轮胎， 故本发明的外转子发电机拆装方便， 维修过程得到筒化， 并且有效地延长了 其使用寿命， 经济性较佳。
可以理解， 本发明是通过一些实施例进行描述的， 本领域技术人员知悉 的， 在不脱离本发明的精神和范围的情况下， 可以对这些特征和实施例进行 各种改变或等效替换。 另外， 在本发明的教导下， 可以对这些特征和实施例 进行修改以适应具体的情况及材料而不会脱离本发明的精神和范围。 因此， 本发明不受此处所公开的具体实施例的限制， 所有落入本申请的权利要求范 围内的实施例都属于本发明的保护范围。

Claims

权 利 要 求 书
1、 一种电动轿车外转子发电机， 设置在所述电动轿车的从动轮上， 其 特征在于， 所述外转子发电机包括有：
内定子， 固定连接在所述电动轿车的从动车轴上； 以及
外转子， 可转动地连接在所述电动轿车的从动车轴上， 并套设在所述内 定子的外部；
其中， 所述内定子的外周部上还设置有多套绕组线圏， 所述外转子的内 筒壁上还设置有多个以预定间隔均布的永磁体， 当所述外转子相对于所述内 定子转动， 所述绕组线圏与永磁体之间产生切割磁感线运动。
2、 如权利要求 1 所述的电动轿车外转子发电机， 其特征在于， 所述外 转子还包括：
外转子本体， 通过第一外转子轴承连接到所述从动车轴上， 并位于所述 内定子的外侧； 以及
外转子盖板， 通过第二外转子轴承连接到所述从动车轴上， 并位于所述 内定子的内侧；
其中， 所述外转子本体与所述外转子盖板之间为卡合连接。
3、 如权利要求 2所述的电动轿车外转子发电机， 其特征在于， 所述第 一外转子轴承和 /或第二外转子轴承的外侧还设置有油封。
4、 如权利要求 2所述的电动轿车外转子发电机， 其特征在于， 外转子 本体的外部通过车轮联接螺丝可拆卸地连接有轮毂， 所述轮毂上套设有轮 胎。
5、 如权利要求 1 所述的电动轿车外转子发电机， 其特征在于， 所述外 转子发电机还包括有电盘式刹车， 设置在所述从动车轴上， 用以制动所述外 转子。
PCT/CN2011/079378 2011-06-01 2011-09-06 电动轿车外转子发电机 WO2012162974A1 (zh)

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CN2011101525041A CN102810960A (zh) 2011-06-01 2011-06-01 电动轿车外转子发电机
CN201110152504.1 2011-06-01

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