WO2009149596A1 - Exercising apparatus for two people - Google Patents

Exercising apparatus for two people Download PDF

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Publication number
WO2009149596A1
WO2009149596A1 PCT/CN2008/071247 CN2008071247W WO2009149596A1 WO 2009149596 A1 WO2009149596 A1 WO 2009149596A1 CN 2008071247 W CN2008071247 W CN 2008071247W WO 2009149596 A1 WO2009149596 A1 WO 2009149596A1
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WO
WIPO (PCT)
Prior art keywords
treadmill
shaped punching
exercise
punching piece
small
Prior art date
Application number
PCT/CN2008/071247
Other languages
French (fr)
Chinese (zh)
Inventor
李铁才
漆亚梅
杨文斌
蓝维隆
廖志辉
周兆勇
杨贵杰
李力辉
Original Assignee
深圳航天科技创新研究院
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Application filed by 深圳航天科技创新研究院 filed Critical 深圳航天科技创新研究院
Priority to PCT/CN2008/071247 priority Critical patent/WO2009149596A1/en
Publication of WO2009149596A1 publication Critical patent/WO2009149596A1/en

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/22Resisting devices with rotary bodies
    • A63B21/225Resisting devices with rotary bodies with flywheels
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • A63B22/0235Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills driven by a motor
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances

Abstract

An exercising apparatus for two people comprises a treadmill (200) and a foot operated exercising vehicle (100). The electromotor in the treadmill is a squarewave brushless DC servo motor. A stabilizing speed fly wheel is provided on a rotor of the squarewave brushless DC servo motor. A brushless disc type fly wheel dynamo (105) with a low impedance serves as a resistance device in the foot operated exercising vehicle. An output end of the dynamo being connected to the power input unit of the treadmill by an electrical source processing unit and with reference to matched mechanical and electric parameters to achieve operational power supply for the treadmill. The exercising apparatus can be suitably used by two people simultaneously. It does not need external power source and may be placed in the station without electronic plug sockets.

Description

说明书 可供双人使用的运动健身装置  Instructions Sports and fitness equipment for two people
技术领域  Technical field
[1] 本发明涉及健身器材, 更具体地说, 涉及一种可供双人使用的运动健身装置, 其中的健身车可为跑步机提供工作电源。  [1] The present invention relates to exercise equipment, and more particularly to an exercise fitness device for two people, wherein the exercise bicycle can provide working power for the treadmill.
背景技术  Background technique
[2] 健身器材深受广大群众喜爱, 应用日益普及, 同吋人们也对健身器材的技术创 新提出越来越高的要求。 例如:  [2] Fitness equipment has been well received by the masses, and its application has become more and more popular. People in the same time have put forward higher and higher requirements for the technological innovation of fitness equipment. E.g:
[3] (1) [3] (1)
人们不再满足于某一健身器械提供的单一运动, 要求使用健身器材锻炼身体的 同吋, 能体验运动的无限乐趣;  People are no longer satisfied with the single sport provided by a certain fitness equipment. They are required to use their fitness equipment to exercise their peers and experience the fun of sports.
[4] (2) [4] (2)
人们希望更为和谐、 自然的健身场所, 希望将健身器材放置到任意户内、 花园 、 草地甚至楼宇的顶层阳台等等, 而这些地方通常没有电源插座, 现有跑步机 等器材无法做到这一点;  People want a more harmonious and natural fitness place. They want to place fitness equipment in any indoor, garden, grass or even the top floor balcony of a building. These places usually have no power outlets, and existing treadmills and other equipment cannot do this. a little
[5] (3) [5] (3)
人们希望健身器材能够适合青少年人对于互动性、 竞争性、 多样性、 群体性的 需要, 又能适合中老年人对于温心互动、 相互带动和相互保护监督等等需求。  People hope that fitness equipment can meet the needs of young people for interaction, competition, diversity, and group, and it is suitable for middle-aged and elderly people to have a warm interaction, mutual promotion and mutual protection supervision.
[6] 然而, 目前的健身器材都无法满足上述需求。 例如现在的健身车可供人们在其 上进行类似踩自行车的练习, 现在的跑步机可供人们进行跑步练习, 但都是分 别独立工作, 无法实现互动目的。 而且现有的跑步机需要由市电交流供电, 所 以只能安装在有电源插座的场所, 无法安装于无电源插座的户外等场所。  [6] However, current fitness equipment cannot meet these needs. For example, the current exercise bike can be used for people to practice bicycle-like exercises. The current treadmill is available for people to practice running, but they work independently and cannot interact. Moreover, the existing treadmill needs to be powered by the mains AC, so it can only be installed in a place with a power outlet, and cannot be installed in an outdoor place without a power outlet.
[7] 另一方面, 简单地将传统健身车与跑步机组合在一起是不可行的。 原因在于两 者的功率不匹配, 且骑车人无法连续骑车发电。 人力的平均功率在 200W〜450W 之间。 由于跑步机会承受冲击负载, 需要千瓦级瞬吋功率才能正常工作, 所以 传统跑步机的功率是 750W〜2500W。 可见, 两者功率不匹配, 无法直接组合使 用。 发明内容 [7] On the other hand, simply combining a traditional exercise bike with a treadmill is not feasible. The reason is that the power of the two does not match, and the rider cannot cycle continuously to generate electricity. The average power of humans is between 200W and 450W. Since the running opportunity is subjected to the impact load, kilowatt-level instantaneous power is required to operate normally, so the power of the conventional treadmill is 750W~2500W. It can be seen that the power of the two does not match and cannot be directly combined. Summary of the invention
[8] 针对现有技术的上述缺陷, 本发明要解决传统健身车与跑步机无法直接配合工 作的问题, 让健身车可装上发电机并为跑步机供电, 从而构成可供双人使用的 运动健身装置。  [8] In view of the above-mentioned drawbacks of the prior art, the present invention solves the problem that the conventional exercise bike and the treadmill cannot directly work together, so that the exercise bike can be equipped with a generator and power the treadmill, thereby constituting a sport for two-person use. Fitness equipment.
[9] 为解决上述技术问题, 本发明提供一种可供双人使用的运动健身装置, 包括跑 步机和脚踏式健身车; 所述跑步机中包括电源输入单元、 电动机、 以及用于控 制所述电动机的驱动控制单元; 所述健身车中包括设有脚踏板的前轴、 设有阻 力装置的后轴; 其特征在于,  [9] In order to solve the above technical problem, the present invention provides an exercise fitness device for two-person use, including a treadmill and a pedal exercise bicycle; the treadmill includes a power input unit, an electric motor, and a control center. a drive control unit for an electric motor; the exercise bicycle includes a front axle provided with a foot pedal and a rear axle provided with a resistance device;
[10] 所述跑步机中的电动机是方波无刷直流伺服电机, 并在其转子上附加有机械稳 速飞轮;  [10] The motor in the treadmill is a square wave brushless DC servo motor, and a mechanically stabilized flywheel is attached to the rotor;
[11] 所述健身车中的阻力装置是一个通过传动机构与所述前轴连接的低阻抗无刷盘 式飞轮发电机;  [11] The resistance device in the exercise bike is a low-impedance brushless disk flywheel generator connected to the front axle through a transmission mechanism;
[12] 所述发电机的输出端通过发电电源处理单元连接到所述跑步机中的电源输入单 元, 从而为所述跑步机提供工作电源。  [12] The output of the generator is coupled to a power input unit in the treadmill by a power generation processing unit to provide operating power to the treadmill.
[13] 本发明中的优选方案中, 所述发电机的额定输出功率为 350W〜500W, 瞬吋输 出功率为 1000〜1500W, 额定输出电压为 60V〜80V, 所述健身车的最大踏车速 度为 180次 /分钟, 所述发电机的额定转速为 2500转 /分钟, 所述飞轮发电机的转 动惯量为 0.6〜1.0kgm2; 所述电动机的额定功率为 400W〜750W, 瞬吋功率为 12 00〜1800W, 额定电压为 60V〜80V, 最大转速为 2500转 /分钟, 所述机械稳速飞 轮的惯量为 0.3〜0.6kgm2。  [13] In a preferred embodiment of the present invention, the rated output power of the generator is 350W~500W, the instantaneous output power is 1000~1500W, the rated output voltage is 60V~80V, and the maximum tread speed of the exercise bike is For 180 times/minute, the rated speed of the generator is 2500 rpm, the moment of inertia of the flywheel generator is 0.6~1.0kgm2; the rated power of the motor is 400W~750W, and the instantaneous power is 12 00 ~1800W, the rated voltage is 60V~80V, the maximum speed is 2500 rev / min, and the inertia of the mechanical steady speed flywheel is 0.3~0.6kgm2.
[14] 本发明中的优选方案中, 针对所述健身车的发电机, 在两个盘式转子上分别装 有多对 N、 S极相间的永磁体, 且第一个盘式转子上的永磁体 N极正对第二个盘 式转子上的永磁体 S极以产生轴向气隙磁场; 所述两个盘式转子的外圏直径被加 大并形成飞轮; 在无铁芯盘式定子的虚槽中安装有三相绕组; 所述转子的磁极 数 2P=8N, 或者 2P=10N, 其中 N为正整数; 所述定子的虚槽数 Z=9N, 三相绕组 共有 9N个线圏, 每相有 3N个线圏, 其定子的 9N个虚槽中的三相绕组线圏的排列 次序为 A-/A-A-B-/B-B-C-/C-C-A, 并在圆周内循环 N次, 其中 A表示 A相绕组的一 个线圏, /A表示 A相绕组的一个反接线圏, B、 /B、 C、 /C以此类推。 [15] 本发明中的优选方案中, 针对所述跑步机的电动机, 定子铁芯是由多层拼接硅 钢片自铆迭压而成的, 每一层拼接硅钢片 (7)是由大、 中、 小三种形状的扇形冲 片拼接组成; 并按"大极扇形冲片→小极扇形冲片→中极扇形冲片→小极扇形冲 片→大极扇形冲片→小极扇形冲片→中极扇形冲片→小极扇形冲片→大极扇形冲 片→小极扇形冲片→中极扇形冲片→小极扇形冲片 "的顺序排布在一个平面上构 成一张定子冲片, 即一层拼接硅钢片; 相邻两个扇形冲片之间通过设于轭部外 侧的凹槽 /凸台进行拼接; 所述电动机的定子三相绕组为集中绕组, 绕在各相大 齿和中齿上, 即按 [14] In a preferred embodiment of the present invention, for the generator of the exercise bicycle, a plurality of pairs of N and S pole permanent magnets are respectively mounted on the two disc rotors, and the first disc rotor is The permanent magnet N pole faces the permanent magnet S pole on the second disc rotor to generate an axial air gap magnetic field; the outer diameter of the two disc rotors is enlarged and forms a flywheel; A three-phase winding is installed in the virtual slot of the stator; the number of magnetic poles of the rotor is 2P=8N, or 2P=10N, where N is a positive integer; the number of virtual slots of the stator is Z=9N, and the three-phase winding has 9N lines. , each phase has 3N turns, and the three-phase winding turns in the 9N virtual slots of the stator are arranged in the order of A-/AAB-/BBC-/CCA, and are cycled N times in the circumference, where A represents A One line of the phase winding, /A represents an anti-wire of the A-phase winding, B, /B, C, /C and so on. [15] In a preferred embodiment of the present invention, for the electric motor of the treadmill, the stator core is formed by multi-layer splicing of silicon steel sheets, and each layer of spliced silicon steel sheets (7) is made up of large, The medium and small three-shaped fan-shaped punching pieces are combined; and according to "the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→the big pole fan-shaped punching piece→the small pole fan-shaped punching piece →The middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→the large pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece” are arranged in a plane to form a stator punch a piece, that is, a layer of spliced silicon steel sheet; the adjacent two sector-shaped punching pieces are spliced by a groove/projection provided on the outer side of the yoke; the stator three-phase winding of the motor is a concentrated winding, which is wound around each phase On the teeth and the middle teeth, press
"A相大齿→小齿→C相中齿→小齿→B相大齿→小齿→A相中齿→小齿→C相大齿 →小齿→B相中齿→小齿"的顺序沿圆周排布; 所述电动机的转子的极对数 P=4, 永磁体 N、 S磁极相间排列。  "A phase large tooth → small tooth → C phase medium tooth → small tooth → B phase large tooth → small tooth → A phase middle tooth → small tooth → C phase large tooth → small tooth → B phase medium tooth → small tooth" The sequence is arranged circumferentially; the number of pole pairs of the rotor of the motor is P=4, and the magnetic poles of the permanent magnets N and S are arranged one another.
[16] 本发明中的优选方案中, 所述发电电源处理单元中包括三相整流电路, 还包括 与所述整流电路的输出端并联的储能电容。  [16] In a preferred aspect of the invention, the power generation power processing unit includes a three-phase rectifier circuit, and further includes a storage capacitor in parallel with an output end of the rectifier circuit.
[17] 本发明中的优选方案中, 还包括切换开关、 以及可对市电交流电源交流进行降 压整流处理的交流变换器; 所述切换开关的一个输入端与所述整流电路的输出 端连接, 另一个输入端与所述交流变换器的输出端连接。  [17] In a preferred aspect of the present invention, the switch further includes an alternating current converter capable of performing a step-down rectification process on the mains AC power exchange; an input end of the switch and an output end of the rectifier circuit Connected, the other input is connected to the output of the AC converter.
[18] 由上述方案可知, 本发明提供了一种全新概念的可供双人使用的运动健身装置 , 当一个人使用健身车进行练习吋, 可自动发电并为跑步机供电, 从而允许另 一个人使用跑步机, 而无需外接电源。 这种运动装置具有双人互动、 相互带动 、 相互保护监督等双人运动乐趣和安全性。 可用于双人互动锻炼、 比试等功能 , 既可用于合作式健身, 又可用于竞争对抗式健身, 极大地调动健身者的积极 性, 提升运动乐趣。 由于这种运动健身装置可完全不使用外部电源, 所以可任 意放置到和谐、 自然的场所, 例如放置到任意户内、 花园、 草地甚至楼宇的顶 层阳台。  [18] As can be seen from the above scheme, the present invention provides a new concept of a two-person exercise fitness device. When a person uses an exercise bike to practice, it can automatically generate electricity and power the treadmill, thereby allowing another person. Use a treadmill without an external power supply. This kind of exercise device has the fun and safety of double sports such as double interaction, mutual interaction, mutual protection supervision. It can be used for interactive exercises, comparison tests, etc. It can be used for both cooperative fitness and competitive confrontation fitness, which greatly mobilizes the enthusiasm of the fitness person and enhances the fun of sports. Since this exercise device can be used without any external power supply, it can be placed in a harmonious, natural place, such as a balcony on the top floor of any home, garden, grass or even building.
附图说明  DRAWINGS
[19] 图 1是本发明一个优选实施例中的可供双人使用的运动健身装置的结构示意图 [20] 图 2是在图 1所示健身车中使用的低阻抗无刷盘式飞轮发电机的总装结构示意图 [21] 图 3是在图 1所示跑步机中使用的高效无刷直流电机的定子结构示意图; 1 is a schematic view showing the structure of a sports equipment for dual use in a preferred embodiment of the present invention [20] FIG. 2 is a low-impedance brushless disk flywheel generator used in the exercise vehicle shown in FIG. Schematic diagram of the final assembly structure [21] FIG. 3 is a schematic view showing the structure of a stator of a high-efficiency brushless DC motor used in the treadmill shown in FIG.
[22] 图 4是本发明一个优选实施例中可供双人使用的运动健身装置的原理框图; [23] 图 5是本发明一个优选实施例中跑步机的双环控制器原理图; [22] FIG. 4 is a schematic block diagram of an exercise fitness device for a double use in a preferred embodiment of the present invention; [23] FIG. 5 is a schematic diagram of a double loop controller of a treadmill in a preferred embodiment of the present invention;
[24] 图 6是本发明一个优选实施例中跑步机釆用单个电流传感器来感知电机力矩的 原理图。 Figure 6 is a schematic diagram of a treadmill using a single current sensor to sense motor torque in a preferred embodiment of the present invention.
具体实施方式  detailed description
[25] 如图 1所示为本发明一个优选实施例中的可供双人使用的运动健身装置的结构 示意图。 它是一种可供双人使用的运动健身装置, 由健身车 100和跑步机 200两 部分组成。  [25] FIG. 1 is a schematic view showing the structure of a sports exercise device for two people in a preferred embodiment of the present invention. It is an exercise device for two people, consisting of an exercise bike 100 and a treadmill 200.
[26] 其中, 健身车 100的组件包括底座 101、 把手 102、 三角架 103、 设于三角架上并 装有脚踏的前轴 104、 安装在后轴上的飞轮发电机 105、 设于前后轴之间的传动 带等。 在把手上还设有速度显示器 106。 健身车 100通过电缆 108与跑步机 200实 现电连接。  [26] wherein, the components of the exercise bicycle 100 include a base 101, a handle 102, a tripod 103, a front axle 104 provided on the tripod and equipped with a pedal, and a flywheel generator 105 mounted on the rear axle, which are disposed before and after Drive belt between the shafts, etc. A speed display 106 is also provided on the handle. The exercise bike 100 is electrically connected to the treadmill 200 via a cable 108.
[27] 跑步机 200的组件包括底座 201、 安装在底座上的电动机、 安装在底座上的前后 两个滚轴、 安装在电动机和前后两个滚轴之间的传动机构、 安装在底座上的跑 步板、 张紧在前后两个滚轴上且绕过跑步板和底座的跑步带 202、 固定安装在底 座上且位于跑步带两侧的左右两个边条 203、 固定安装在底座上的左右两根立柱 204、 固定在左右立柱上的左右两个把手 205、 安装在正前方的控制面板 206等。  [27] The components of the treadmill 200 include a base 201, an electric motor mounted on the base, two front and rear rollers mounted on the base, a transmission mechanism mounted between the electric motor and the front and rear rollers, and mounted on the base. a running board, a running belt 202 that is tensioned on the front and rear rollers and bypasses the running board and the base, and left and right side strips 203 fixedly mounted on the base and located on both sides of the running belt, and fixedly mounted on the base Two uprights 204, two left and right handles 205 fixed to the right and left uprights, a control panel 206 mounted directly in front, and the like.
[28] 本实施例中, 健身车可为跑步机提供电源, 从而完全不使用外部电源。 健身车 将人体运动健身吋产生的能量传递到飞轮发电机进行发电, 可为自身数控单元 提供工作电源, 更可为跑步机提供工作电源, 从而实现无需外接电源的目的; 在健身车中釆用的是低阻抗无刷盘式飞轮发电机, 在跑步机中则釆用的是方波 无刷直流伺服电机。  [28] In this embodiment, the exercise bike can provide power to the treadmill so that no external power source is used at all. The exercise bike transmits the energy generated by the body exercise fitness to the flywheel generator for power generation, can provide working power for the own numerical control unit, and can provide working power for the treadmill, thereby achieving the purpose of eliminating the need for external power supply; The low-impedance brushless disc flywheel generator uses a square wave brushless DC servo motor in the treadmill.
[29] 在健身车中, 釆用低阻抗的无刷盘式飞轮发电机, 其中两个盘式转子上分别装 有多对 N、 S极相间的永磁体, 且第一个盘式转子上的永磁体 N极正对第二个盘 式转子上的永磁体 S极以产生轴向气隙磁场, 且外转直径被加大形成飞轮; 无铁 芯盘式定子的虚槽中安装有三相绕组; 其转子的磁极数 2P=8N=24, 其中 N=3; 其定子的虚槽数 Z=9N=27, 三相绕组共有 9N=27个线圏, 每相有 3N=9个线圏, 其定子的 9N=27个虚槽中的三相绕组线圏的排列次序为 A-/A-A-B-/B-B-C-/C-C-A[29] In the exercise bike, a low-impedance brushless disc flywheel generator is used, in which two pairs of N- and S-pole permanent magnets are respectively mounted on the two disc rotors, and the first disc rotor is mounted. The permanent magnet N pole is opposite to the permanent magnet S pole on the second disc rotor to generate an axial air gap magnetic field, and the outer diameter is enlarged to form a flywheel; the non-core disc stator has a three-phase installed in the virtual slot Winding; the number of magnetic poles of the rotor is 2P=8N=24, where N=3; The number of virtual slots of the stator is Z=9N=27, the three-phase windings have 9N=27 wires, each phase has 3N=9 wires, and the stator of the stator is 9N=27 virtual slots. The order is A-/AAB-/BBC-/CCA
, 并在圆周内循环 3次, 其中 A表示 A相绕组的一个线圏, /A表示 A相绕组的一个 反接线圏, B、 /B、 C、 /C以此类推。 这种三相无刷直流永磁发电机无铁芯, 绕 组的数目趋于最少, 绕组的端部趋于最小, 绕组的利用率趋于最高, 从而电机 的铁耗和铜耗趋于最小, 电机的生产成本趋于最低, 发电机的输出阻抗也趋于 最小。 And cycle 3 times in the circle, where A denotes a line A of the A-phase winding, /A denotes an anti-wire A of the A-phase winding, B, /B, C, /C and so on. The three-phase brushless DC permanent magnet generator has no iron core, the number of windings tends to be the least, the ends of the windings tend to be the smallest, the utilization of the windings tends to be the highest, and the iron loss and the copper consumption of the motor tend to be minimized. The production cost of the motor tends to be the lowest, and the output impedance of the generator tends to be the smallest.
[30] 关于盘式三相无刷永磁直流电机的具体技术细节, 可参见国际申请号为 PCT/C N2007/0003064的专利申请文件。 本实施例中, 无刷盘式飞轮发电机 300如图 2所 示, 其外圏设有机械稳速飞轮 301。 此外, 该飞轮发电机中带有一个超越离合器 , 可避免倒骑发力和发电。  [30] For specific technical details of a disc-type three-phase brushless permanent magnet DC motor, see the patent application file of International Application No. PCT/C N2007/0003064. In the present embodiment, the brushless disc type flywheel generator 300 is shown in Fig. 2, and the outer casing is provided with a mechanically stabilized flywheel 301. In addition, the flywheel generator has an overrunning clutch to prevent back riding and power generation.
[31] 在跑步机中, 釆用方波无刷直流伺服电动机, 其定子铁芯是由多层拼接硅钢片 自铆迭压而成的, 每一层拼接硅钢片是由大、 中、 小三种形状的扇形冲片拼接 组成; 并按"大极扇形冲片→小极扇形冲片→中极扇形冲片→小极扇形冲片→大 极扇形冲片→小极扇形冲片→中极扇形冲片→小极扇形冲片→大极扇形冲片→小 极扇形冲片→中极扇形冲片→小极扇形冲片 "的顺序排布在一个平面上构成一张 定子冲片, 即一层拼接硅钢片; 相邻两个扇形冲片之间通过设于轭部外侧的凹 槽 /凸台进行拼接。 电机的定子三相绕组为集中绕组, 绕在各相大齿和中齿上, 即按  [31] In the treadmill, the square wave brushless DC servo motor is used. The stator core is made of multi-layer spliced silicon steel sheets. The spliced silicon steel sheets are made up of large, medium and small. The shape of the fan-shaped punching piece is composed of splicing; and according to "the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole The fan-shaped punching piece→the small-pole fan-shaped punching piece→the large-pole fan-shaped punching piece→the small-pole fan-shaped punching piece→the middle-pole fan-shaped punching piece→the small-pole fan-shaped punching piece” are arranged in a plane to form a stator punching piece, that is, A layer of spliced silicon steel sheet; adjacent two scallops are spliced by a groove/land provided on the outside of the yoke. The stator three-phase winding of the motor is a concentrated winding, which is wound around the large and middle teeth of each phase, that is,
"A相大齿→小齿→C相中齿→小齿→B相大齿→小齿→A相中齿→小齿→C相大齿 →小齿→B相中齿→小齿"的顺序沿圆周排布; 电机转子的极对数 P=4, 永磁体 N 、 S磁极相间排列, 所述永磁体是径向充磁的瓦形磁钢、 或者是平行充磁的瓦形 磁钢, 该 8极电机的三相绕组仅有 6个集中绕组被最少化, 因此绕组端部减少到 传统电机的 1/3〜1/6甚至更多, 达到了最小化, 于是铜耗大幅下降。  "A phase large tooth → small tooth → C phase medium tooth → small tooth → B phase large tooth → small tooth → A phase middle tooth → small tooth → C phase large tooth → small tooth → B phase medium tooth → small tooth" The order is arranged along the circumference; the number of pole pairs of the rotor of the motor is P=4, and the magnetic poles of the permanent magnets N and S are arranged at the same time. The permanent magnets are radially magnetized tile-shaped magnetic steel or parallel magnetized tile-shaped magnetic steel. Only the six concentrated windings of the three-phase winding of the 8-pole motor are minimized, so that the winding end is reduced to 1/3~1/6 or even more of the conventional motor, and the copper loss is greatly reduced.
[32] 在跑步机的电动机中, 釆用霍尔位置传感器作为转子位置传感器, 所述霍尔位 置传感器的磁敏感方向与转子法线方向相一致, 安装于定子支架上, 并与转子 永磁体外圆之间保持 3mm的气隙。  [32] In the electric motor of the treadmill, the Hall position sensor is used as the rotor position sensor, and the magnetic sensitive direction of the Hall position sensor is consistent with the normal direction of the rotor, is mounted on the stator bracket, and is coupled with the rotor permanent magnet An air gap of 3 mm is maintained between the outer circles.
[33] 关于三相无刷永磁直流电动机的具体技术细节, 可参见国际申请号为 PCT/CN2 007/0003063的专利申请文件。 [33] For specific technical details of three-phase brushless permanent magnet DC motors, see International Application No. PCT/CN2 Patent application file of 007/0003063.
[34] 为了实现健身车发电与跑步机用电之间的最佳功率匹配, 具体实施吋, 需满足 以下参数配置。 健身车中发电机的额定输出功率为 350W〜500W, 瞬吋输出功率 为 1000〜1500W, 额定输出电压为 60V〜80V, 所述健身车的最大踏车速度为 180 次 /分钟, 所述发电机的额定转速为 2500转 /分钟, 所述飞轮发电机的转动惯量为 0.6〜1.0kgm2。 因此健身车的最大额定储能为 20562J〜34269J, 从而允许骑车人 间隙发力和保持瞬吋输出功率。 跑步机中电动机的额定功率为 400W〜750W, 瞬 吋功率为 1200〜1800W, 额定电压为 60V〜80V, 最大转速为 2500转 /分钟, 所述 机械稳速飞轮的惯量为 0.3〜0.6kgm2; 整个跑步机的最大额定储能为 10281J〜20 562J, 能起到良好的机械稳速作用。  [34] In order to achieve the best power matching between the exercise bike power generation and the treadmill power, the following parameters must be met. The rated output power of the generator in the exercise bike is 350W~500W, the instantaneous output power is 1000~1500W, the rated output voltage is 60V~80V, the maximum treadmill speed of the exercise bike is 180 times/min, the generator The rated rotational speed is 2,500 rpm, and the rotational inertia of the flywheel generator is 0.6 to 1.0 kgm2. Therefore, the maximum rated energy storage of the exercise bike is 20562J~34269J, which allows the rider to force the gap and maintain the instantaneous output power. The rated power of the motor in the treadmill is 400W~750W, the instantaneous power is 1200~1800W, the rated voltage is 60V~80V, the maximum speed is 2500rpm, the inertia of the mechanical steady speed flywheel is 0.3~0.6kgm2; The maximum rated energy storage of the treadmill is 10281J~20 562J, which can play a good mechanical stability.
[35] 本发明的一个实施例中, 健身车中发电机的额定输出功率 400W, 瞬吋输出功 率 1500W, 额定输出电压 60V, 额定踏车速度 180次 /分钟, 发电机转速 2500转 /分 钟; 飞轮发电机的转动惯量为 0.87kgm2, 因此健身车最大额定储能为 29776J, 从 而允许骑车人间隙发力和保持瞬吋输出功率, 且符合骑车习惯。 跑步机中电动 机的额定功率 450W, 瞬吋功率 1800W, 额定电压 60V, 额定转速 2500转 /分钟, 电动机附加机械稳速飞轮的惯量为 0.  [35] In one embodiment of the present invention, the rated output power of the generator in the exercise bike is 400W, the instantaneous output power is 1500W, the rated output voltage is 60V, the rated treadmill speed is 180 times/minute, and the generator speed is 2500 rpm. The flywheel generator has a moment of inertia of 0.87kgm2, so the maximum rated energy storage of the exercise bike is 29776J, which allows the rider to exert force and maintain instantaneous output power, and is in line with cycling habits. The rated power of the electric machine in the treadmill is 450W, the instantaneous power is 1800W, the rated voltage is 60V, the rated speed is 2500 rpm, and the inertia of the motor attached mechanical steady speed flywheel is 0.
3kgm2, 因此跑步机的最大额定储能为 10281J, 能起到良好的机械稳速作用。 更 重要的是可平滑跑步机承受冲击负载所要求的千瓦级瞬吋功率。 具体工作吋, 健身车的踩踏速度为 10〜 180次 /分钟, 而跑步机的速度范围为 0.0  3kgm2, so the maximum rated energy storage of the treadmill is 10281J, which can play a good mechanical stability. More importantly, it can smooth the kilowatt-level instantaneous power required by the treadmill to withstand shock loads. For specific work, the speed of the exercise bike is 10 to 180 times per minute, while the speed range of the treadmill is 0.0.
km/h〜18km/h。  Km/h~18km/h.
[36] 在上述配置的实施例中, 当健身车的踏车速度为 0.3次 /秒, 发电机三相绕组电 势经全波整流即能产生 6V以上电压。  [36] In the embodiment of the above configuration, when the treadmill speed of the exercise bicycle is 0.3 times/second, the three-phase winding potential of the generator can generate a voltage of 6 V or more after full-wave rectification.
[37] 本实施例中, 健身车的输出经全波整流, 再输出到跑步机, 因此跑步机的跑步 速度取决于健身车的踏车速度, 同吋不会超过驱动控制单元的最大给定速度。 根据健身需要, 跑步机中电动机的驱动控制单元只需对电动机进行换相控制即 可。 除起动加速外, 驱动控制单元的 PWM脉宽调制均处于全导通状态, 但最大 电流受力矩闭环控制, 不会突变或超值, 因此特别安全可靠。  [37] In this embodiment, the output of the exercise bike is full-wave rectified and output to the treadmill, so the running speed of the treadmill depends on the treadmill speed of the exercise bike, and the same does not exceed the maximum given of the drive control unit. speed. According to the fitness needs, the drive control unit of the motor in the treadmill only needs to perform commutation control on the motor. In addition to starting acceleration, the PWM pulse width modulation of the drive control unit is fully-on, but the maximum current is controlled by the torque closed-loop, which is not abrupt or overvalued, so it is particularly safe and reliable.
[38] 如图 6所示, 本发明的一个优选实施例中, 在驱动控制单元内釆用单个电流传 感器来感知电机的力矩并实现电机力矩闭环, 更详细的内容可参见国际申请号 为 PCT/CN2007/000178的专利文件。 [38] As shown in FIG. 6, in a preferred embodiment of the present invention, a single current transfer is used in the drive control unit. The sensor senses the torque of the motor and achieves a closed loop of the motor torque. For more details, see the patent document of International Application No. PCT/CN2007/000178.
[39] 如图 4所示, 本实施例中, 发电机的输出端连接到三相整流电路 (即发电电源处 理单元), 经过整流处理后输出到电源输入单元。 电源输入单元中包括交流变换 器和切换开关, 其中的交流变换器实际上就是变压整流器, 可将市电交流电源 交流降压整流处理为 60-80V直流电源。 切换开关的一个输入端与所述整流电路 的输出端连接, 另一个输入端与所述交流变换器的输出端连接, 可在控制器的 控制下, 选择由市电交流供电, 还是由健身车供电。 所选择的工作电源被输出 到滤波器, 再送到驱动桥 (即电动机驱动控制电路)用于控制电动机的转速。 图 4 中的控制器可向切换开关发出切换控制信号, 向显示屏发出显示信号, 并向驱 动桥发出驱动控制信号。 同样, 关于控制方面的更详细内容, 可参见国际申请 号为 PCT/CN2007/000178的专利文件  As shown in Fig. 4, in the present embodiment, the output end of the generator is connected to a three-phase rectifier circuit (i.e., a power generation processing unit), and is subjected to rectification processing and output to the power input unit. The power input unit includes an AC converter and a diverter switch. The AC converter is actually a transformer rectifier, which can process the AC power supply AC buck rectifier into a 60-80V DC power supply. One input end of the switch is connected to the output end of the rectifier circuit, and the other input end is connected to the output end of the AC converter, and can be selected by the AC power supply under the control of the controller, or by the exercise bike powered by. The selected operating power is output to the filter and sent to the transaxle (ie, the motor drive control circuit) to control the speed of the motor. The controller in Figure 4 can issue a switching control signal to the diverter switch, send a display signal to the display, and issue a drive control signal to the drive bridge. Similarly, for more details on control, see the patent document with international application number PCT/CN2007/000178.
[40] 本实施例的可供双人使用的运动健身装置中, 当需要单人利用健身车健身吋, 只需针对跑步机进行设置, 将工作状态设为'单人健身车模式'即可, 此吋跑步机 中电动机即进入可控的电机制动模式, 来相应地为健身车提供阻力。  [40] In the exercise fitness device for double use of the embodiment, when a single person is required to use the exercise bike to perform fitness, only the treadmill is set, and the work state is set to 'single exercise bike mode'. In this treadmill, the electric motor enters a controllable motor braking mode to provide resistance to the exercise bike accordingly.
[41] 本实施例中, 还增设有交流变压器和切换开关, 如图 4左下角的虚线部份所示 。 当需要单人跑步健身吋, 可以切换到市电交流供电模式, 直接接入 220V交流 电源来供电。  [41] In this embodiment, an AC transformer and a changeover switch are additionally provided, as shown by the broken line in the lower left corner of FIG. When you need a single-person running fitness, you can switch to the mains AC power supply mode and directly connect to the 220V AC power supply to supply power.
[42] 如图 5所示, 当使用跑步机进行单人跑步吋, 要求跑步机的输出速度能在一定 范围内进行调节, 故电动机的驱动控制单元必须有一个速度闭环。 根据跑步机 的负载特点以及性能要求, 驱动控制单元釆用了带转速闭环、 电流闭环的双环 控制系统。 其中速度环及电流环均釆用 PI调节器。  [42] As shown in Figure 5, when using a treadmill for single-player running, the output speed of the treadmill is required to be adjusted within a certain range, so the drive control unit of the motor must have a speed closed loop. According to the load characteristics and performance requirements of the treadmill, the drive control unit uses a double-loop control system with closed-loop speed and current closed loop. Among them, the speed loop and the current loop use PI regulators.

Claims

权利要求书 Claim
1、 一种可供双人使用的运动健身装置, 包括跑步机和脚踏式健身车; 所述 跑步机中包括电源输入单元、 电动机、 以及用于控制所述电动机的驱动控 制单元; 所述健身车中包括设有脚踏板的前轴、 设有阻力装置的后轴; 其 特征在于,  What is claimed is: 1. A sports exercise device for two-person use, comprising a treadmill and a pedal exercise bike; wherein the treadmill includes a power input unit, an electric motor, and a drive control unit for controlling the electric motor; The vehicle includes a front axle provided with a foot pedal and a rear axle provided with a resistance device;
所述跑步机中的电动机是方波无刷直流伺服电机, 并在其转子上附加有机 械稳速飞轮; The electric motor in the treadmill is a square wave brushless DC servo motor, and an organic mechanical speed flywheel is attached to the rotor;
所述健身车中的阻力装置是一个通过传动机构与所述前轴连接的低阻抗无 刷盘式飞轮发电机; The resistance device in the exercise bicycle is a low-impedance brushless disc flywheel generator connected to the front axle through a transmission mechanism;
所述发电机的输出端通过发电电源处理单元连接到所述跑步机中的电源输 入单元, 从而为所述跑步机提供工作电源。 The output of the generator is coupled to a power input unit in the treadmill by a power generation processing unit to provide operating power to the treadmill.
2、 根据权利要求 1所述的可供双人使用的运动健身装置, 其特征在于, 所述发电机的额定输出功率为 350W〜500W, 瞬吋输出功率为 1000〜1500 W, 额定输出电压为 60V〜80V, 所述健身车的最大踏车速度为 180次 /分钟 , 所述发电机的额定转速为 2500转 /分钟, 所述飞轮发电机的转动惯量为 0.6 〜1.0kgm2;  2. The exercise device for dual use according to claim 1, wherein the generator has a rated output power of 350 W 500 W, an instantaneous output power of 1000 1500 W, and a rated output voltage of 60 V. 〜80V, the maximum treadmill speed of the exercise bike is 180 times/minute, the rated speed of the generator is 2500 rpm, and the moment of inertia of the flywheel generator is 0.6 to 1.0 kgm2;
所述电动机的额定功率为 400W〜750W, 瞬吋功率为 1200〜1800W, 额定 电压为 60V〜80V, 最大转速为 2500转 /分钟, 所述机械稳速飞轮的惯量为 0. 3〜0.6kgm2。 The motor has a rated power of 400W~750W, an instantaneous power of 1200~1800W, a rated voltage of 60V~80V, a maximum speed of 2500 rpm, and an inertia of the mechanically stabilized flywheel of 0.3 to 0.6kgm2.
3、 根据权利要求 2所述的可供双人使用的运动健身装置, 其特征在于, 所 述健身车的发电机中, 在两个盘式转子上分别装有多对 N、 S极相间的永磁 体, 且第一个盘式转子上的永磁体 N极正对第二个盘式转子上的永磁体 S极 以产生轴向气隙磁场; 所述两个盘式转子的外圏直径被加大并形成飞轮; 在无铁芯盘式定子的虚槽中安装有三相绕组; 所述转子的磁极数 2P=8N, 或者 2P=10N, 其中 N为正整数; 所述定子的虚槽数 Z=9N, 三相绕组共有 9 N个线圏, 每相有 3N个线圏, 其定子的 9N个虚槽中的三相绕组线圏的排列 次序为 A-/A-A-B-/B-B-C-/C-C-A, 并在圆周内循环 N次, 其中 A表示 A相绕 组的一个线圏, /A表示 A相绕组的一个反接线圏, B、 /B、 C、 /C以此类推 3. The exercise equipment for dual use according to claim 2, wherein in the generator of the exercise bicycle, a plurality of pairs of N and S poles are respectively mounted on the two disc rotors. a magnet, and the permanent magnet N pole on the first disc rotor faces the permanent magnet S pole on the second disc rotor to generate an axial air gap magnetic field; the outer diameter of the two disc rotors is increased Large and forming a flywheel; three-phase windings are installed in the virtual slot of the ironless disc stator; the number of magnetic poles of the rotor is 2P=8N, or 2P=10N, where N is a positive integer; the number of virtual slots of the stator is Z =9N, the three-phase winding has 9 N turns, each phase has 3N turns, and the order of the three-phase winding turns in the 9N virtual slots of the stator is A-/AAB-/BBC-/CCA. And cycle N times in the circle, where A represents a line A of the A-phase winding, /A represents an anti-wire A of the A-phase winding, B, /B, C, /C and so on
4、 根据权利要求 3所述的可供双人使用的运动健身装置, 其特征在于, 所 述跑步机的电动机中, 定子铁芯是由多层拼接硅钢片自铆迭压而成的, 每 一层拼接硅钢片 (7)是由大、 中、 小三种形状的扇形冲片拼接组成; 并按" 大极扇形冲片→小极扇形冲片→中极扇形冲片→小极扇形冲片→大极扇形 冲片→小极扇形冲片→中极扇形冲片→小极扇形冲片→大极扇形冲片→小 极扇形冲片→中极扇形冲片→小极扇形冲片 "的顺序排布在一个平面上构成 一张定子冲片, 即一层拼接硅钢片; 相邻两个扇形冲片之间通过设于轭部 外侧的凹槽 /凸台进行拼接; 4. The exercise fitness device for dual use according to claim 3, wherein in the electric motor of the treadmill, the stator core is formed by laminating and laminating a plurality of spliced silicon steel sheets, each of which The layer-spliced silicon steel sheet (7) is composed of large, medium and small fan-shaped punching pieces of three shapes; and according to "the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→ The order of the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→the big pole fan-shaped punching piece→the small pole fan-shaped punching piece→the middle pole fan-shaped punching piece→the small pole fan-shaped punching piece→the small pole fan-shaped punching piece” Arranged on a plane to form a stator punching piece, that is, a layer of spliced silicon steel sheet; adjacent two sector-shaped punching pieces are spliced by a groove/protrusion disposed outside the yoke portion;
所述电动机的定子三相绕组为集中绕组, 绕在各相大齿和中齿上, 即按 "A相大齿→小齿→C相中齿→小齿→B相大齿→小齿→A相中齿→小齿→d¾ 大齿→小齿→B相中齿→小齿"的顺序沿圆周排布; The three-phase winding of the stator of the electric motor is a concentrated winding, which is wound around the large teeth and the middle teeth of each phase, that is, according to "A phase large teeth → small teeth → C phase medium teeth → small teeth → B phase large teeth → small teeth → The order of the A phase medium tooth → small tooth → d3⁄4 large tooth → small tooth → B phase medium tooth → small tooth is arranged along the circumference;
所述电动机的转子的极对数 P=4, 永磁体 N、 S磁极相间排列。 The number of pole pairs of the rotor of the motor is P=4, and the magnetic poles of the permanent magnets N and S are arranged alternately.
5、 根据权利要求 4所述的可供双人使用的运动健身装置, 其特征在于, 所 述发电电源处理单元中包括三相整流电路, 还包括与所述整流电路的输出 端并联的储能电容。  The exercise fitness device for dual use according to claim 4, wherein the power generation power processing unit includes a three-phase rectifier circuit, and further includes a storage capacitor connected in parallel with an output end of the rectifier circuit. .
6、 根据权利要求 4所述的可供双人使用的运动健身装置, 其特征在于, 所 述跑步机的电动机中釆用霍尔位置传感器作为转子位置传感器, 所述霍尔 位置传感器的磁敏感方向与转子法线方向相一致, 安装于定子支架上, 并 与转子永磁体外圆之间保持 l〜3mm的气隙。  6. The exercise device for dual use according to claim 4, wherein the motor of the treadmill uses a Hall position sensor as a rotor position sensor, and the magnetic sensitive direction of the Hall position sensor Consistent with the normal direction of the rotor, it is mounted on the stator support and maintains an air gap of 1 to 3 mm from the outer circumference of the permanent magnet of the rotor.
7、 根据权利要求 4-6中任一项所述的可供双人使用的运动健身装置, 其特 征在于, 所述跑步机的驱动控制单元中, 设有转速闭环和力矩闭环组成的 双环控制系统, 其速度环及电流环均釆用 PI调节器。  The exercise fitness device for double use according to any one of claims 4-6, wherein the drive control unit of the treadmill is provided with a double loop control system consisting of a speed closed loop and a torque closed loop. , both the speed loop and the current loop use a PI regulator.
8、 根据权利要求 7所述的可供双人使用的运动健身装置, 其特征在于, 所 述跑步机的驱动控制单元中, 釆用单个电流传感器来感知电机的力矩并实 现电机力矩闭环。  8. The exercise device for dual use according to claim 7, wherein in the drive control unit of the treadmill, a single current sensor is used to sense the torque of the motor and realize the motor torque closed loop.
9、 根据权利要求 5所述的可供双人使用的运动健身装置, 其特征在于, 所 述电源输入单元中包括切换开关、 以及可对市电交流电源交流进行降压整 流处理的交流变换器; 所述切换开关的一个输入端与所述整流电路的输出 端连接, 另一个输入端与所述交流变换器的输出端连接。 9. The exercise fitness device for dual use according to claim 5, wherein the power input unit includes a switch, and the battery can be stepped down to the AC power supply. A stream-processed AC converter; one input of the switch is connected to an output of the rectifier circuit, and the other input is connected to an output of the AC converter.
PCT/CN2008/071247 2008-06-10 2008-06-10 Exercising apparatus for two people WO2009149596A1 (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789153A (en) * 1978-08-14 1988-12-06 Brown Lawrence G Exercise system
CN2168614Y (en) * 1993-01-14 1994-06-15 王静 Multifunctional body-building device with generation of electric power
JPH11187635A (en) * 1997-12-19 1999-07-09 Sawafuji Electric Co Ltd Flat rotating machine
JPH11206077A (en) * 1998-01-16 1999-07-30 Shibaura Mechatronics Corp Flat brushless dc motor
JPH11234990A (en) * 1998-02-12 1999-08-27 Okuma Corp Permanent magnet motor
CN2386845Y (en) * 1998-07-24 2000-07-12 黄哲元 Body-building appts. with generating function
CN2726200Y (en) * 2004-08-24 2005-09-14 印辉 Ring winded packaged motor stator lamination
CN1803229A (en) * 2005-01-12 2006-07-19 韩英 Energy conversion type multifunctional body builder
CN1862928A (en) * 2006-06-09 2006-11-15 天津大学 Modularized stator structure low-speed DC brushless motor
CN1925270A (en) * 2005-08-31 2007-03-07 北京中科三环高技术股份有限公司 Fractional slot winding for slow-run large torque moment permanent-magnet brushless motor
CN2918781Y (en) * 2006-05-18 2007-07-04 宋华新 Gymnastic electricity generating system
CN2925537Y (en) * 2006-04-28 2007-07-25 罗秋香 Motor controller of electric runner

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4789153A (en) * 1978-08-14 1988-12-06 Brown Lawrence G Exercise system
CN2168614Y (en) * 1993-01-14 1994-06-15 王静 Multifunctional body-building device with generation of electric power
JPH11187635A (en) * 1997-12-19 1999-07-09 Sawafuji Electric Co Ltd Flat rotating machine
JPH11206077A (en) * 1998-01-16 1999-07-30 Shibaura Mechatronics Corp Flat brushless dc motor
JPH11234990A (en) * 1998-02-12 1999-08-27 Okuma Corp Permanent magnet motor
CN2386845Y (en) * 1998-07-24 2000-07-12 黄哲元 Body-building appts. with generating function
CN2726200Y (en) * 2004-08-24 2005-09-14 印辉 Ring winded packaged motor stator lamination
CN1803229A (en) * 2005-01-12 2006-07-19 韩英 Energy conversion type multifunctional body builder
CN1925270A (en) * 2005-08-31 2007-03-07 北京中科三环高技术股份有限公司 Fractional slot winding for slow-run large torque moment permanent-magnet brushless motor
CN2925537Y (en) * 2006-04-28 2007-07-25 罗秋香 Motor controller of electric runner
CN2918781Y (en) * 2006-05-18 2007-07-04 宋华新 Gymnastic electricity generating system
CN1862928A (en) * 2006-06-09 2006-11-15 天津大学 Modularized stator structure low-speed DC brushless motor

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