WO2009067895A1 - Roue motrice - Google Patents

Roue motrice Download PDF

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Publication number
WO2009067895A1
WO2009067895A1 PCT/CN2008/072967 CN2008072967W WO2009067895A1 WO 2009067895 A1 WO2009067895 A1 WO 2009067895A1 CN 2008072967 W CN2008072967 W CN 2008072967W WO 2009067895 A1 WO2009067895 A1 WO 2009067895A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
power
rechargeable battery
motor
battery
Prior art date
Application number
PCT/CN2008/072967
Other languages
English (en)
French (fr)
Inventor
Hua Wang
Original Assignee
Hua Wang
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 Hua Wang filed Critical Hua Wang
Publication of WO2009067895A1 publication Critical patent/WO2009067895A1/zh
Priority to US12/775,248 priority Critical patent/US20100212980A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/40—Rider propelled cycles with auxiliary electric motor
    • B62M6/60—Rider propelled cycles with auxiliary electric motor power-driven at axle parts
    • B62M6/65—Rider propelled cycles with auxiliary electric motor power-driven at axle parts with axle and driving shaft arranged coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/20—Electric propulsion with power supplied within the vehicle using propulsion power generated by humans or animals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/52—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by DC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/12—Bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/44—Wheel Hub motors, i.e. integrated in the wheel hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/34—Stabilising upright position of vehicles, e.g. of single axle vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to a power wheel, and more particularly to a power wheel provided with a power source and a power drive. Background technique
  • the rechargeable battery device is mainly placed in the inclined tube or riser position of the frame, or fixed between the front wheel and the handlebar, or fixed on the rear side of the seat cushion bracket.
  • the installation conditions of the rechargeable battery device must be considered when designing the electric vehicle model, the space occupied by the rechargeable battery in the vehicle body is large, making the electric vehicle model heavy and difficult to realize the lightness of the electric vehicle, and also increasing the realization of the electric vehicle.
  • Foldable technical difficulty Further, due to the overall unsightly appearance of the rechargeable battery case and the electric vehicle, the design of the electric vehicle is greatly constrained by the conditions of the rechargeable battery device, and the single model limits the design of the rich electric vehicle model. And production. Summary of the invention
  • An object of the present invention is to provide a power wheel provided with a power source and a power driving device, which can be used for a power wheel of an electric vehicle, and effectively overcomes the defects of the prior art electric vehicle exterior design limited by the power source device.
  • the present invention provides a power wheel including a wheel, a power driving device for driving the wheel to rotate, and a power source for powering the power driving device, the power source and the power driving device being fixed at the On the wheel.
  • the power source may be a rechargeable battery
  • the power driving device may be an electric motor.
  • the wheel may include a fixed portion of a wheel main shaft and a member coupled to the main shaft of the wheel, and a rotating portion coupled to the housing of the motor, the rechargeable battery being coupled to the motor.
  • the rechargeable battery is fixed to a fixed portion of the wheel and connected to the motor through a conductive slip ring or a connecting wire.
  • the rechargeable battery is fixed to one side or both sides of the wheel main shaft.
  • the fixing portion may include a battery case fixed to one side or both sides of the wheel main shaft, and the rechargeable battery is fixed in the battery case.
  • the rotating portion includes an outer ring of the wheel and a spoke connected between the outer ring and a casing of the motor, and the rechargeable battery is fixed between the spokes.
  • a battery case may also be fixed between the spokes, and the rechargeable battery is fixed in the battery case and connected to the motor through a connecting wire or a conductive slip ring.
  • the rotating portion may further include an outer ring of the wheel, and the charging battery is disposed between an outer ring of the wheel and a casing of the motor.
  • a battery case may be disposed between the outer ring of the wheel and the housing of the motor, and the rechargeable battery is fixed in the battery case and connected to the motor through a connecting wire or a conductive slip ring.
  • the invention fully utilizes the wheel space, and provides a power source device such as a rechargeable battery in the wheel, and provides a power wheel that can be used for the electric vehicle, so that the electric vehicle body design is not affected by the installation condition of the rechargeable battery device, and the simplification is greatly simplified.
  • the electric vehicle body structure is beneficial to the design and production of electric vehicles with a variety of models.
  • the power wheel device with the rechargeable battery in the wheels makes the electric vehicle's center of gravity move downward, which is beneficial to the balance of the electric vehicle.
  • FIG. 1 is a schematic structural view of a first embodiment of a power wheel according to the present invention.
  • FIG. 2 is a schematic structural view of a second embodiment of a power wheel according to the present invention.
  • FIG. 3 is a schematic structural view of a third embodiment of a power wheel according to the present invention.
  • FIG. 4 is a schematic structural view of a fourth embodiment of a power wheel of the present invention. detailed description
  • the power wheel of the present invention includes a power drive fixed to the wheel and a power source for powering the power drive and a power drive for driving the wheel to rotate.
  • a power source as a rechargeable battery
  • a power driving device as an electric motor.
  • the wheel in which the power source is a rechargeable battery and the power driving device is an electric motor, the wheel includes a fixed portion and a rotating portion, wherein the fixed portion includes a wheel main shaft and a component connected to the main shaft of the wheel, and the rotating portion includes a motor casing
  • the fixed portion includes a wheel main shaft and a component connected to the main shaft of the wheel
  • the rotating portion includes a motor casing
  • a fixed battery or a rotating portion of the wheel is provided with a rechargeable battery, and the rechargeable battery is connected with the motor to supply electric power to the motor to rotate the motor, and the outer ring is rotated by the casing of the motor, thereby realizing the electric vehicle to exercise.
  • the fixed portion includes a wheel main shaft 1 and a battery case 2 fixedly connected to one side of the wheel main shaft 1 , and a rechargeable battery 3 is mounted in the battery case 2 ; and is fixedly connected to the other side of the wheel main shaft 1
  • the electric motor 4, the electric motor 4 and the battery case 2 are connected by a conductive slip ring 5 fixedly connected to the wheel main shaft 1.
  • the rechargeable battery 3 is relatively stationary with respect to the wheel spindle 1, and does not rotate with the outer ring.
  • the conductive slip ring is a kind of switching device that realizes the signal and current transmission of the two rotating mechanisms. It is especially suitable for applications that require unlimited, connected or intermittent rotation, and also need to transmit power or data from a fixed position to a rotating position. place.
  • the motor 4 is connected to the rechargeable battery 3 mounted in the battery case 2 via a conductive slip ring 5 for supplying electric power of the rechargeable battery 3 to the motor 4 to supply electric power to the motor 4.
  • the battery case may further include at least one detachable and mountable battery cover 6.
  • the rechargeable battery 3 passes through the detachable and mounted battery cover 6 for easy disassembly and installation, which greatly facilitates the user to charge the rechargeable battery after it is removed, and to install the rechargeable battery after charging.
  • the rechargeable battery may be a lead-acid rechargeable battery, a nickel-hydrogen battery, a nickel-cadmium battery, a lithium ion battery, a polymer lithium battery, a zinc-air battery, a fuel battery or other batteries; the shape of the battery may be according to the model To design and produce.
  • the invention fully utilizes the wheel space, and provides a power source device such as a rechargeable battery in the wheel, and provides a power wheel that can be used for the electric vehicle, so that the electric vehicle body design is not affected by the installation condition of the rechargeable battery device, and the simplification is greatly simplified.
  • the electric vehicle body structure is beneficial to the design and production of electric vehicles with a variety of models.
  • the power wheel device with the rechargeable battery in the wheels makes the electric vehicle's center of gravity move downward, which is beneficial to the balance of the electric vehicle.
  • the fixed portion includes a wheel main shaft 1 and two battery boxes 2 fixedly connected to the two sides of the wheel main shaft 1 respectively, and each of the battery cases 2 is mounted thereon.
  • Rechargeable battery 3 fixedly connected to the wheel main shaft 1 is a motor 4 which is located between the two battery cases 2, each of which is connected by a conductive slip ring 5 fixedly connected to the wheel main shaft 1.
  • the rechargeable battery 3 is relatively stationary with respect to the wheel spindle 1, and does not rotate with the power wheel.
  • the wheel space is fully utilized, the rechargeable battery is disposed on the fixed portion of the wheel, and two battery boxes are fixedly connected on the two sides of the main shaft of the wheel, and the rechargeable battery is respectively installed on the two battery boxes to ensure the electric vehicle.
  • two rechargeable batteries can simultaneously supply power to the motor, thereby increasing the voltage supplied from the rechargeable battery to the motor; on the other hand, one rechargeable battery can separately supply power to the motor, and the other rechargeable battery can be used as a backup battery. Conducive to providing backup power for electric vehicles.
  • FIG. 3 is a schematic structural view of a third embodiment of a power wheel of the present invention.
  • the rotating portion includes the outer ring 8 and the spokes 7 connected between the outer ring 8 and the casing 11 of the motor, and the rechargeable battery 3 is fixed to the spokes 7 between.
  • a fan-ring cylindrical battery case 10 is fixedly connected between the spokes 7, and a rechargeable battery 3 is mounted on the fan-ring cylindrical battery case 10.
  • a rechargeable battery connection for delivering the power of the rechargeable battery to the motor 4 to provide power to the motor 4 Force.
  • the rechargeable battery rotates with the outer ring 8 under the driving of the motor housing 11.
  • the rechargeable battery is a fan-ring cylindrical rechargeable battery, and the shape of the rechargeable battery and the battery case can also be designed according to actual needs.
  • the fan-ring cylindrical battery case may further include at least one detachable and mountable battery cover.
  • the rechargeable battery is easily removed and installed through the detachable and installed battery cover, which greatly facilitates the user to charge the rechargeable battery after disassembly and the charging battery after charging.
  • the number of spokes used to support the outer ring can be four, and the number of spokes can be selected according to the design requirements of the vehicle.
  • the components supporting the outer ring can be specifically designed as spokes or spokes according to the design requirements of the vehicle. Or other shaped parts.
  • the wheel space is fully utilized, the rechargeable battery is disposed on the rotating portion of the wheel, and the battery case is fixedly connected to the spokes respectively, and the rechargeable battery is respectively mounted on each of the battery cases, and the plurality of rechargeable batteries can be simultaneously connected to the motor.
  • Power is supplied to increase the voltage supplied from the rechargeable battery to the motor; on the other hand, a certain rechargeable battery can be separately supplied with power to the motor, and the remaining rechargeable battery is used as a backup battery to facilitate providing backup power for the electric vehicle.
  • FIG. 4 is a schematic structural view of a fourth embodiment of a power wheel of the present invention.
  • the difference from the third embodiment is that, in the embodiment, the rotating portion includes the outer ring 8 and the baffle 9 connected between the outer ring 8 and the casing 11 of the motor, and the rechargeable battery is fixed to the baffle plate 9. on.
  • the baffle 9 may also be provided with a ring-shaped battery case 12, which is fixed in the ring-shaped battery case 12 and connected to the motor through a wire to supply electric power to the motor.
  • the rechargeable battery is rotated by the outer ring 8 under the driving of the motor casing 11.
  • the main function of the baffle is to fix the battery case of the rechargeable battery while supporting the outer ring.
  • the rechargeable battery can be protected from dirt and water.
  • it is also possible to facilitate the user to disassemble and install the rechargeable battery by designing the ring-shaped battery case provided on the outer ring to include at least one detachable and mountable battery cover.
  • the rechargeable battery is a ring-shaped rechargeable battery, and can also be charged according to actual needs. Battery and battery case shape design.
  • the embodiment fully utilizes the wheel space, and the rechargeable battery is disposed at the rotating portion of the power wheel, and the casing and the outer ring of the motor are connected by the baffle to make the wheel structure more compact; and the power wheel with the rechargeable battery disposed in the wheel
  • the device moves the center of gravity of the electric vehicle downwards, which helps the electric vehicle to maintain balance.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Battery Mounting, Suspending (AREA)

Description

动力轮 技术领域
本发明涉及一种动力轮， 特别是一种设置有动力源和动力驱动装置的动 力轮。 背景技术
目前市场上销售的电动车，充电电池装置主要置于车架斜管或立管位置， 或者固定在前轮与手把之间， 或者固定在坐垫支架后侧。 但是， 由于在设计 电动车车型时， 必须考虑充电电池装置的安装条件， 而充电电池在车身占据 的空间较大， 使得电动车车型笨重， 不易实现电动车的轻便化， 也增加了电 动车实现可折叠的技术难度； 进一步地， 由于充电电池箱体与电动车整体不 美观， 使得电动车外型设计上受到充电电池装置条件的极大约束， 车型单一， 限制了丰富的电动车车型的设计和生产。 发明内容
本发明的目的在于提供一种设置有动力源和动力驱动装置的动力轮， 可 用于电动车的动力轮， 有效克服了现有技术电动车外型设计受动力源装置条 件限制等缺陷。
为了实现上述目的， 本发明提供了一种动力轮， 包括轮子、 驱动所述轮 子转动的动力驱动装置和为所述动力驱动装置提供动力的动力源， 所述动力 源和动力驱动装置固定在所述轮子上。
上述技术方案中， 所述动力源可为充电电池， 所述动力驱动装置可为电 动机。 所述轮子可包括轮子主轴和与轮子主轴连接的部件组成的固定部分、 以及与所述电动机的壳体连接的转动部分，所述充电电池与所述电动机连接。 上述技术方案中， 所述充电电池固定在所述轮子的固定部分， 并通过导 电滑环或连接线与所述电动机连接。 所述充电电池固定在所述轮子主轴的一 侧或二侧。 进一步的， 所述固定部分可包括固定在所述轮子主轴一侧或二侧 的电池箱， 所述充电电池固定在所述电池箱内。
上述技术方案中， 所述转动部分包括所述轮子的外圈和连接在所述外圈 和电动机的壳体之间的辐条， 所述充电电池固定在所述辐条之间。 所述辐条 之间还可固定有电池盒， 所述充电电池固定在所述电池盒内， 并通过连接线 或导电滑环与所述电动机连接。
上述技术方案中， 所述转动部分还可包括所述轮子的外圈， 所述充电电 池设置在所述轮子的外圈和所述电动机的壳体之间。 所述轮子的外圈和所述 电动机的壳体之间还可设置有电池盒， 所述充电电池固定在所述电池盒内， 并通过连接线或导电滑环与所述电动机连接。
本发明充分利用轮子空间， 将充电电池等动力源装置设置在轮子里， 提 供了一种可用于电动车的动力轮， 使得电动车车身设计不会受到充电电池装 置的安装条件的影响， 大大简化了电动车车身结构， 有利于具有丰富多样的 车型的电动车的设计和生产； 同时， 将充电电池设置在轮子里的动力轮装置 使得电动车重心下移， 有利于电动车保持平衡。 附图说明
图 1为本发明动力轮第一实施例的结构示意图；
图 2为本发明动力轮第二实施例的结构示意图；
图 3为本发明动力轮第三实施例的结构示意图；
图 4为本发明动力轮第四实施例的结构示意图。 具体实施方式
下面通过附图和实施例， 对本发明的技术方案做进一步的详细描述。 本发明动力轮包括固定在轮子上的动力驱动装置和动力源， 动力源用于 为动力驱动装置提供动力， 动力驱动装置用于驱动轮子转动。 下面以动力源 为充电电池、动力驱动装置为电动机为例详细说明本发明动力轮的技术方案。
本发明以动力源为充电电池、 动力驱动装置为电动机的动力轮的主体结 构中， 轮子包括固定部分和转动部分， 其中固定部分包括轮子主轴以及与轮 子主轴连接的部件， 转动部分包括与电动机壳体连接的轮子的外圈， 当动力 轮使用时， 固定部分与车架连接， 通过转动部分的转动实现电动车的行驶。 本发明动力轮中， 轮子的固定部分或转动部分上设置有充电电池， 充电电池 与电动机连接， 为电动机提供电力使电动机转动， 并通过电动机的壳体带动 外圈转动， 从而实现电动车地行使。
实施例一
图 1为本发明动力轮第一实施例的结构示意图。 如图 1所示， 本实施例中， 固定部分包括轮子主轴 1 , 与轮子主轴 1一侧固定连接的电池箱 2 , 电池箱 2内 安装有充电电池 3 ; 与轮子主轴 1另一侧固定连接的电动机 4 , 电动机 4和电池 箱 2之间通过与轮子主轴 1固定连接的导电滑环 5连接。 当动力轮转动时， 充电 电池 3相对轮子主轴 1处于相对静止状态， 不随外圈一起转动。
导电滑环是实现两个转动机构的信号及电流传递的一种转接装置， 特别 适合应用在需要无限制的， 连接或断续旋转， 同时又需要从固定位置到旋转 位置传送功率或数据的场所。 本实施例通过导电滑环 5将电动机 4与安装在电 池箱 2里的充电电池 3连接， 用于将充电电池 3的电力输送到电动机 4 , 为电动 机 4提供电力。
本实施例中， 电池盒还可至少包括一个可拆卸和安装的电池盖 6。 充电电 池 3通过该可拆卸和安装的电池盖 6 , 便于实现拆卸和安装， 极大方便了用户 对充电电池拆卸后进行充电， 以及充电电池充电后的安装。
此外， 充电电池可为铅酸充电电池、 镍氢电池、 镍镉电池、 锂离子电池、 聚合物锂电池、 锌空电池、 燃料电池或其他电池； 电池的形状可根据车型需 要进行设计和生产。
本发明充分利用轮子空间， 将充电电池等动力源装置设置在轮子里， 提 供了一种可用于电动车的动力轮， 使得电动车车身设计不会受到充电电池装 置的安装条件的影响， 大大简化了电动车车身结构， 有利于具有丰富多样的 车型的电动车的设计和生产； 同时， 将充电电池设置在轮子里的动力轮装置 使得电动车重心下移， 有利于电动车保持平衡。
实施例二
图 2为本发明动力轮第二实施例的结构示意图。 如图 2所示， 与实施例一 的区别在于， 本实施例中， 固定部分包括轮子主轴 1 , 分别与轮子主轴 1二侧 固定连接的二个电池箱 2 , 每个电池箱 2上安装有充电电池 3 ; 与轮子主轴 1固 定连接的还有电动机 4 , 电动机 4位于二个电池箱 2之间， 每个电池箱 2通过与 轮子主轴 1固定连接的导电滑环 5连接。 当动力轮转动时， 充电电池 3相对轮子 主轴 1处于相对静止状态， 不随动力轮一起转动。
本实施例充分利用车轮空间， 将充电电池设置在轮子的固定部分， 并通 过分别在轮子主轴二侧上固定连接二个电池箱， 并在二个电池箱上分别安装 充电电池， 保证电动车的平衡， 此外， 二个充电电池可同时向电动机提供电 力， 从而提高从充电电池向电动机提供的电压； 另一方面， 也可由一个充电 电池单独向电动机提供电力， 另一个充电电池作为备用电池， 有利于为电动 车提供备用电源。
实施例三
图 3为本发明动力轮第三实施例的结构示意图。 如图 3所示， 与实施例一 的区别在于， 本实施例中， 转动部分包括外圈 8和连接在外圈 8和电动机的壳 体 1 1之间的辐条 7 , 充电电池 3固定在辐条 7之间。 此外， 辐条 7之间还可固定 连接有扇环柱形电池盒 1 0 , 扇环柱形电池盒 1 0上安装有充电电池 3。 的充电电池连接， 用于将充电电池的电力输送到电动机 4 , 为电动机 4提供动 力。 当动力轮转动时，充电电池在电动机壳体 11的带动下， 随外圈 8—起转动。 本实施例中， 充电电池为扇环柱形充电电池， 也可根据实际需要进行充 电电池和电池盒形状的设计。
本实施例中，扇环柱形电池盒还可至少包括一个可拆卸和安装的电池盖。 充电电池通过该可拆卸和安装的电池盖， 便于实现拆卸和安装， 极大方便了 用户对充电电池拆卸后进行充电， 以及充电电池充电后的安装。
此外， 用于支撑外圈的辐条的数量可为 4条， 也可根据车型设计需要选择 具体的辐条数量； 同时还可根据车型设计需要， 将支撑外圈的部件具体设计 为辐柱或辐面或其他形状的部件。
本实施例充分利用车轮空间， 将充电电池设置在轮子的转动部分， 并通 过分别在轮辐上固定连接电池盒， 并在每个电池盒上分别安装充电电池， 该 多个充电电池可同时向电动机提供电力， 从而提高从充电电池到电动机提供 的电压； 另一方面， 也可由某个充电电池单独向电动机提供电力， 其余充电 电池作为备用电池， 有利于为电动车提供备用电源。
实施例四
图 4为本发明动力轮第四实施例的结构示意图。 如图 4所示， 与实施例三 的区别在于， 本实施例中， 转动部分包括外圈 8和连接在外圈 8与电动机的壳 体 11之间的挡板 9 , 充电电池固定在挡板 9上。
为了便于安装充电电池， 挡板 9上还可设置有环柱形电池盒 12 , 充电电池 固定在环柱形电池盒 12内， 并通过导线与电动机连接， 为电动机提供电力。 当动力轮转动时， 充电电池在电动机的壳体 11带动下， 随外圈 8—起转动。
本实施例中， 挡板的主要作用是： 支撑外圈的同时， 固定安装充电电池 的电池盒。 通过将充电电池安装在电池盒里， 又能保证充电电池防污、 防水。 进一步地， 还可通过将设置在外圈上的环柱形电池盒设计成至少包括一个可 拆卸和安装的电池盖， 便于用户拆卸和安装充电电池。
本实施例中， 充电电池为环柱形充电电池， 也可根据实际需要进行充电 电池和电池盒形状的设计。
本实施例充分利用车轮空间， 将充电电池设置在动力轮的转动部分， 通 过挡板连接电动机的壳体和外圈， 使得车轮结构更为紧凑； 同时， 将充电电 池设置在轮子里的动力轮装置使得电动车重心下移，有利于电动车保持平衡。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其 限制； 尽管参照前述实施例对本发明进行了详细的说明， 本领域的普通技术 人员应当理解： 其依然可以对前述实施例所记载的技术方案进行修改， 或者 对其中部分技术特征进行等同替换； 而这些修改或者替换， 并不使相应技术 方案的本质脱离本发明实施例技术方案的精神和范围。

Claims

权 利 要 求 书
1. 一种动力轮， 其特征在于， 包括轮子、 驱动所述轮子转动的动力驱动 装置和为所述动力驱动装置提供动力的动力源， 所述动力源和动力驱动装置 固定在所述轮子上。
2.根据权利要求 1所述的动力轮，其特征在于，所述动力源为充电电池， 所述动力驱动装置为电动机。
3. 根据权利要求 2所述的动力轮， 其特征在于， 所述轮子包括轮子主轴 和与轮子主轴连接的部件组成的固定部分、 以及与所述电动机的壳体连接的 转动部分， 所述充电电池与所述电动机连接。
4.根据权利要求 3所述的动力轮， 其特征在于， 所述充电电池固定在所 述轮子的固定部分， 并通过导电滑环或连接线与所述电动机连接。
5.根据权利要求 4所述的动力轮， 其特征在于， 所述充电电池固定在所 述轮子主轴的一侧或二侧。
6.根据权利要求 5所述的动力轮， 其特征在于， 所述固定部分包括固定 在所述轮子主轴一侧或二侧的电池箱， 所述充电电池固定在所述电池箱内。
7.根据权利要求 3所述的动力轮， 其特征在于， 所述转动部分包括所述 轮子的外圈和连接在所述外圈和电动机的壳体之间的辐条， 所述充电电池固 定在所述辐条之间。
8.根据权利要求 7所述的动力轮， 其特征在于， 所述辐条上固定有电池 盒， 所述充电电池固定在所述电池盒内， 并通过连接线或导电滑环与所述电 动机连接。
9.根据权利要求 3所述的动力轮， 其特征在于， 所述转动部分包括所述 轮子的外圈，所述充电电池设置在所述轮子的外圈和所述电动机的壳体之间。
1 0.根据权利要求 9所述的动力轮， 其特征在于， 所述轮子的外圈和所述 电动机的壳体之间设置有电池盒， 所述充电电池固定在所述电池盒内， 并通 过连接线或导电滑环与所述电动机连接。
11.根据权利要求 1 ~ 10中任一所述的动力轮， 其特征在于， 所述充电电 池为扇环柱形或环柱形充电电池。
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