CN102161366A - 电动自行车 - Google Patents
电动自行车 Download PDFInfo
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- CN102161366A CN102161366A CN2010105934090A CN201010593409A CN102161366A CN 102161366 A CN102161366 A CN 102161366A CN 2010105934090 A CN2010105934090 A CN 2010105934090A CN 201010593409 A CN201010593409 A CN 201010593409A CN 102161366 A CN102161366 A CN 102161366A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- 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
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- 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
- H02K7/003—Couplings; Details of shafts
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- 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
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- 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
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
本发明公开一种电动自行车,包括:一车架,具有至少一承载架;至少一车轮,具有一固定于承载架的主轴、及一可绕主轴旋转的轮毂;以及至少一薄形马达,具有一转子,连结于轮毂并旋转于一与主轴对齐的轴心;其中薄形马达驱动轮毂绕该主轴旋转。
Description
技术领域
本发明涉及一种电动自行车,特别是涉及一种通过薄形马达作动的电动自行车。
背景技术
对现有的电动自行车改装自传统自行车而言,马达安装在轮毂内,通常是在后轮毂,以使车轮旋转。然而,在马达安装至毂部前,传统自行车的辐条必须先被卸除。因此,当马达重新装入时,辐条也一个一个地被重新固定,这需要大量的时间进行装配。此外,由于不同品牌的自行车的车轮有不同规格,有必要为每个不同的自行车品牌调整马达设计,从而增加了生产成本。
尚有另一种现有的电动自行车结构,其中马达设置在自行车的车架上,并利用耦接于马达的链条、皮带或者齿轮驱动车轮旋转。然而,将马达安装在自行车车架可能会导致不平衡,并且要占用相当大的空间。以及,由于安装马达在车架上,可能会导致车架的耐用性减弱。此外,由于马达可观的重量以及体积,可能造成自行车的骑乘更加困难。
中国台湾专利第I296596号揭露一种电动自行车的驱动机构,包括一马达及一踏板轴承的改装结构,踏板轴承以链条连结至车轮。值得注意的是,车架并未被改装。同样的,中国台湾专利第M356689号揭露一种设置在脚踏车前轮或后轮的传动轮。马达设置在自行车的车架,用以驱动传动轮使前轮或后轮旋转。
关于安装于自行车毂部的马达设计,中国台湾专利第352804号揭露一种马达的改良结构,以改良的硅钢、线圈以及磁铁构成的薄形超音波马达,可设置在前轮或后轮,以作为一发动机。同样的,中国台湾专利第313554号揭露一种超薄形马达,以麦纳胶片以及薄膜印刷线取代笨重的硅钢及线圈。超薄形电动马达可被设置在前轮或后轮,作为一发动机。
此外,美国专利第5368122号揭露一种具有斜齿轮、驱动机构及传动轴环的直流马达,安装在后三角承架结构上。传动轴环以直流马达及斜齿轮驱动旋转的。此机构产生些微噪音以及平稳的骑承。此外,美国专利第6412800号中,一个组合包括:一个电动马达、一控制单元、以及一齿轮,该组合安装于自行车的踏板轴下,以提供脚踏车动力,以及美国专利第6131683号揭露一种电动自行车包括一采用轴向磁通的平板式直流马达,通过一控制电路、一踏板负载感测器、一踏板转速感测器、一扭矩感测器、一减速机构、一传动设备、以及齿轮使车轮旋转。在美国专利第585753号,一种电动马达、一控制器、以及一传动机构被设置在一自行车的后轮毂。
在上述的专利中,电动马达必须被安装在自行车车架并通过齿轮或是通过传动机构耦接于车轮,因而导致很高的成本以及重量的增加。另外,马达可安装在自行车的轮毂。然而,自行车的辐条必须一个一个地重新固定在轮毂,以重新安装,这需要大量的时间进行装配。
参照图1,现有的电动自行车10通常具有一外转子型态的马达12安装在车轮16的轮毂14内。马达12具有可观的重量,且必须被设置在轮毂14内。并且,在马达12安装于轮毂14前,传动自行车的辐条18必须被卸除。在马达12安装在轮毂14内之后,辐条18被重新固定于轮毂14。由于马达12是一个外转子型态的马达,很难通过马达12的外壳使铜线圈产生的热散发。因此,由于过热造成马达12退磁的现象容易发生。此外,由于马达12产生的扭矩与其重量成正比,当需要大扭矩时,一个大型的马达是必须的。
发明内容
本发明的目的在于提供一种电动自行车,其包括一薄形马达通过连轴器连接至轮毂,其中薄形马达是靠近轮毂设置。不需要传动机构。此外,由于薄形马达安装于碟刹盘,因此不需要改装车架。薄形马达较传统的电动马达来的轻,使骑乘此种电动自行车变得方便。
为达上述目的,本发明揭露一种电动自行车的实施例,其包括:一车架,具有至少一承载架;至少一车轮,具有一固定于承载架的主轴、及一可绕主轴旋转的轮毂;以及至少一薄形马达,具有一连结于轮毂的转子,转子旋转于一与主轴对齐的轴心,其中薄形马达驱动轮毂绕主轴旋转。转子通过一连轴器连结于轮毂。连轴器是一接合器紧配合于转子。
接合器包括一连接部具有一第一螺孔相对于一形成在后轮毂上的第二螺孔、以及一配合部连结于连接部并紧配合于薄形马达的转子,一螺栓穿过第一螺孔及第二螺孔,以连结接合器与轮毂。配合部垂直于连接部。
薄形马达还包括:一外壳,为圆盘形状,具有一穿孔,其中轴心穿过穿孔;以及一定子,相对于转子设置于外壳内,其中转子设置于外壳内并绕于穿孔。配合部伸入穿孔并紧配合于转子。穿孔形成于圆盘形状的中心。
以下实施例将参照随附的的附图提供详细的说明。
附图说明
通过阅读发明内容以及范例,并参考附图本发明可以被充分的了解。附图仅给予方法的描述,因此不限制本发明及其内容:
图1设置有电动马达的传统自行车的示意图;
图2a及图2b描述用于本发明电动自行车的薄形马达;
图3是本发明的一种电动自行车(后方驱动)的示意图;
图4是本发明的一种电动自行车(前方驱动)的示意图;
图5是本发明的一种电动自行车(前方以及后方驱动)的示意图;
图6是本发明的一薄形马达连接至一电动自行车的轮毂的剖视图。
主要元件符号说明
现有技术
10~现有的电动自行车;
12~马达;
14~轮毂;
16~车轮;
18~辐条;
本发明的实施例
7~第一螺孔;
8~螺栓;
9~第二螺孔;
50~薄形马达;
52~外壳;
54~穿孔;
56~转子;
60~接合器;
62~连接部;
64~配合部;
200~车架;
210~前承载架;
220~后承载架;
230~前轮;
240~后轮;
235~主轴;
245~轮毂;
246~碟刹盘;
L~轴心;
1000~电动自行车。
具体实施方式
为了解决前述的种种问题,本发明提供一种用于电动自行车的薄形马达。薄形马达耦接于车轮且具有一轴心对齐于车轮的主轴。举例来说,轴心设置在固定于轮毂的碟刹盘上。由马达产生的扭矩直接转动车轮,不需要一个传动机构。通过这种方式,薄形马达不会占用自行车的额外空间。由于薄形马达不是设置在轮毂内,不需要自轮毂卸除车轮的辐条和重新安装。当自行车有一个快速释放装置和碟刹盘,本发明的薄形马达可以快速且便利的安装在自行车,以减少成本和进行组装的时间。
图2a及图2b描绘本发明的一种薄形马达50。因为薄形马达50有轴向磁通,薄形马达50的磁通面积大过传统的外转子马达,然而体积小过传统的外转子马达。传统外转子马达的厚度超过10公分,然而薄形马达50的厚度仅3公分。由于在扭矩、尺寸及重量的优势,薄形马达50适合用于电动自行车。薄形马达50所产生的扭矩足以驱动一辆没有任何传动机构的自行车。依据需求,薄形马达50可以为外转子型态或内转子型态的马达。薄形马达50的详细结构的说明如下:
薄形马达50具有一外壳52,为圆盘形状,外壳52具有一穿孔54。在本实施例中,穿孔54形成于外壳52的中心。穿孔54的壁面连结于转子56(请参见图6),转子56旋转于一穿过穿孔54的轴心。
请参照图3,本发明的一种电动自行车1000包括一车架200,具有一前承载架(前叉杆)210承载一前车轮230、以及一后承载架(后叉杆)220承载一后车轮240。薄形马达50安装于电动自行车1000的后承载架220以及后车轮240之间。薄形马达50的轴心对齐于后车轮240的主轴235(请参见图6)。薄形马达50可固定于后承载架220用以使后车轮240旋转,由此薄形马达50的扭矩被直接传动至后车轮240。
请参照图4,薄形马达50也可安装于电动自行车1000的前承载架210以及前车轮230之间。薄形马达50可固定于前承载架210,直接地转动前车轮230。
请参见图5,薄形马达50安装于前车轮230以及后车轮240,用以增加被传动至电动自行车的扭矩。
当骑士踩下踏板,以人力地使自行车移动,薄形马达50同时产生扭矩以驱动自行车,以帮助骑士更容易地使自行车移动。此外,电动自行车1000也可单由薄形马达50而作动,在这种情况下,这将是一个全电动式自行车。
图6描绘了薄形马达50安装在承载架(前承载架210或是后承载架220)以及车轮(前车轮230或是后车轮240)之间的剖视图。薄形马达50固定在承载架210、220上。车轮230、240具有一延伸穿过薄形马达50的穿孔54的主轴235,并固定于承载架210、220。薄形马达50的轴心L对齐于主轴235。一可绕主轴235旋转的轮毂245,车轮230、240被安装在轮毂245上(未图示于图6)。碟刹盘246安装在轮毂245上,随着轮毂245相对于主轴235旋转。轮毂245通过一接合器(连轴器)60耦合至转子56。接合器60具有一连接部62以及一配合部64。配合部64是一凸块垂直于连接部62。配合部64紧配合于薄形马达50的转子56。连接部62具有一第一螺孔7相对于一形成在轮毂245上的第二螺孔9。一螺栓8穿过第一螺孔7及第二螺孔9,以连结接合器60与轮毂245。第二螺孔9可作为一碟刹盘246的锁固孔。转子56通过接合器60使轮毂245绕轴心L旋转,也使车轮230、240绕轴心L旋转。
虽然通过范例及较佳实施例描述了本发明,必须了解的是,本发明并不局限于此。相反地,此描述是为了涵盖各种修改和相似的安排(像是对该技术领域的人士所显而易见的)。因此,附加的权利要求的范畴应当以最广泛的诠释,使其可包含所有这类的修改以及类似的安排。
Claims (12)
1.一种电动自行车,包括:
车架,具有至少一承载架;
至少一车轮,具有一固定于该承载架的主轴、及一可绕该主轴旋转的轮毂;以及
至少一薄形马达,具有一连结于该轮毂的转子,该转子旋转于一与该主轴对齐的轴心,其中该薄形马达驱动该轮毂绕该主轴旋转。
2.如权利要求1所述的电动自行车,其中该转子通过一连轴器连结于该轮毂。
3.如权利要求2所述的电动自行车,其中该连轴器是一接合器紧配合于该转子。
4.如权利要求3所述的电动自行车,其中该接合器包括连接部,该连接部具有第一螺孔,相对于形成在该轮毂上的第二螺孔,且该接合器还包括配合部,该配合部连结于该连接部并紧配合于该转子,其中一螺栓穿过该第一螺孔及该第二螺孔,以连结该接合器与该轮毂。
5.如权利要求4所述的电动自行车,其中该配合部垂直于该连接部。
6.如权利要求4所述的电动自行车,其中该薄形马达还包括:
外壳,为圆盘形状,具有穿孔,其中该轴心穿过该穿孔;以及
定子,相对于该转子设置于该外壳内,其中该转子设置于该外壳内并围绕于该穿孔。
7.如权利要求6所述的电动自行车,其中该配合部伸入该穿孔并紧配合于该转子。
8.如权利要求6所述的电动自行车,其中该穿孔形成于该外壳的中心。
9.如权利要求1所述的电动自行车,还包括前车轮,该前车轮具有前主轴、可旋转于该前主轴的前轮毂、以及后车轮,该后车轮具有后主轴以及可旋转于该后主轴的后轮毂,其中该车架具有后承载架以固定该后主轴、以及前承载架以固定该前主轴。
10.如权利要求9所述的电动自行车,其中该轴心对齐于该后主轴并耦合至该后轮毂,且该薄形马达驱动该后轮毂以绕该后主轴旋转。
11.如权利要求9所述的电动自行车,其中该轴心对齐于该前主轴并偶合至该前轮毂,且该薄形马达驱动该前轮毂以绕该前主轴旋转。
12.如权利要求9所述的电动自行车,更包括多个薄形马达,其中至少一薄形马达具有一轴心对齐于该后主轴并耦合至该后轮毂以驱动该后轮毂绕该后主轴旋转,以及至少另一薄形马达具有一轴心对齐于该前主轴并偶合至该前轮毂,以驱动该前轮毂绕该前主轴旋转。
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US12/888,229 | 2010-09-22 | ||
US12/888,229 US20110198144A1 (en) | 2010-02-12 | 2010-09-22 | Electric bicycle and motor thereof |
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JP5149938B2 (ja) * | 2010-06-11 | 2013-02-20 | 株式会社シマノ | モータ内蔵自転車用ハブ |
DE102012205841A1 (de) * | 2012-04-11 | 2013-10-17 | Hochschule Heilbronn | Antriebssystem für ein Zweirad |
US20150203167A1 (en) * | 2014-01-17 | 2015-07-23 | Neal T. Saiki | Front Axle Retention for an Electric Cycle |
AT516540B1 (de) * | 2014-12-03 | 2016-09-15 | Babeluk Michael | Aus- und nachrüsten eines zweirades |
CN105375683B (zh) * | 2015-11-03 | 2017-07-11 | 朱幕松 | 超薄型轮轴式轮毂电机 |
TWI613121B (zh) * | 2016-11-11 | 2018-02-01 | 達方電子股份有限公司 | 使用於助力腳踏車的曲柄傳動機構 |
IT201700010847A1 (it) * | 2017-02-01 | 2018-08-01 | Texa Dynamics S R L | Sistema di propulsione per veicoli elettrici |
USD837695S1 (en) * | 2017-05-05 | 2019-01-08 | Dongguan Lehe Intelligent Technology Co., Ltd. | Power assisted bicycle |
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