【０００１】[0001]
【発明の属する技術分野】本発明は補助動力付き自転車
に関する。本発明は補助動力付き荷物運搬車にも利用で
きる。TECHNICAL FIELD The present invention relates to a bicycle with auxiliary power. The present invention can also be used in a luggage carrier with auxiliary power.
【０００２】[0002]
【従来の技術】従来の補助動力付き自転車としては、図
６に示すようにクランク軸部に直流電動機を並設したも
のが実用されている。これは人力によるクランク軸の回
転に電動機によるクランク軸の回転を重畳させるもので
ある。2. Description of the Related Art As a conventional bicycle with auxiliary power, a bicycle in which a DC motor is installed side by side on a crankshaft is practically used as shown in FIG. This superimposes the rotation of the crank shaft by the electric motor on the rotation of the crank shaft by human power.
【０００３】[0003]
【発明が解決しようとする課題】従来の補助動力付き自
転車には、 （１）クランク軸に電動機を設置したことにより、クラ
ンク軸周辺の外形が大型化してしまう。 （２）クランク軸部に設置された電動機の出力は、カ
ム、ギア、チェーン、シャフトなどを介して駆動輪に伝
達されるため、機械系の伝達ロスが生じ、電動機出力を
有効に利用できないという問題があった。本発明はこれ
らの問題を解決することができる電動車輪を提供するこ
とを目的とする。In the conventional bicycle with auxiliary power, (1) by installing an electric motor on the crankshaft, the outer shape around the crankshaft becomes large. (2) Since the output of the electric motor installed on the crankshaft is transmitted to the drive wheels via the cam, gear, chain, shaft, etc., transmission loss occurs in the mechanical system and the electric motor output cannot be effectively used. There was a problem. An object of the present invention is to provide an electric wheel that can solve these problems.
【０００４】[0004]
［第１の手段］本発明に係る電動車輪は、補助動力付き
自転車において、（Ａ）車軸の中央において、車軸芯と
垂直に設けた円板状の固定子と、（Ｂ）前記固定子を両
側からはさみこむ形状の移動子を有し、（Ｃ）前記固定
子と移動子を、前記車軸に対し、ベアリングを介して、
回転自在に車輪の内部に配設したことを特徴とする。 ［第２の手段］本発明に係るリニア誘導モータ型の電動
車輪は、第１の手段において、（Ａ）円板状の固定子の
両側面に、円板周方向を移動方向とする移動磁界を発生
するためのリニアモータとしての１次巻線を施し、
（Ｂ）移動子には導電性材料を用いることを特徴とす
る。 ［第３の手段］本発明に係るリニア同期モータ型の電動
車輪は、第１の手段において、（Ａ）円板状の固定子の
両側面に、円板周方向を移動方向とする移動磁界を発生
するためのリニアモータとしての１次巻線を施し、
（Ｂ）移動子には、前記１次巻線に対向する形態で永久
磁石を配設したことを特徴とする。 ［第４の手段］本発明に係る電動車輪は、第２の手段又
は第３の手段において、円板状の固定子のリニアモータ
としての１次巻線の磁極部を透磁率の高い鉄系材料を用
いて形成したことを特徴とする。 ［第５の手段］本発明に係る電動車輪は、第１の手段に
おいて、（Ａ）リニアモータとしての１次巻線を励磁す
るための電源としての充電可能な２次電池と、（Ｂ）前
記２次電池からの電流電力を交流電力に変換するための
電力変換器と、（Ｃ）センサから車輪のトルク及び速度
を入力し回転力を得るために必要な供給電力を制御する
演算制御器を備えたことを特徴とする。 ［第６の手段］本発明に係る電動車輪は、第１の手段又
は、第２の手段又は第３の手段において、（Ａ）固定子
側に導電性材料及び永久磁石を用い、（Ｂ）移動子側に
巻線を施し、移動子巻線への電力供給のための接触子を
設けたことを特徴とする。[First Means] An electric wheel according to the present invention comprises, in a bicycle with auxiliary power, (A) a disc-shaped stator provided perpendicularly to an axle center at the center of the axle, and (B) the stator. It has a mover that is sandwiched from both sides, and (C) the stator and the mover with respect to the axle via a bearing,
It is characterized in that it is rotatably disposed inside the wheel. [Second Means] The linear induction motor type electric wheel according to the present invention is the first means, wherein (A) a moving magnetic field having a disk circumferential direction as a moving direction on both side surfaces of a disk-shaped stator. The primary winding as a linear motor to generate
(B) The mover is characterized by using a conductive material. [Third Means] A linear synchronous motor type electric wheel according to the present invention is the same as the first means, except that (A) a moving magnetic field having a disk circumferential direction as a moving direction on both side surfaces of a disk-shaped stator. The primary winding as a linear motor to generate
(B) The moving element is characterized in that a permanent magnet is arranged so as to face the primary winding. [Fourth Means] In the electric wheel according to the present invention, in the second means or the third means, the magnetic pole portion of the primary winding as the linear motor of the disk-shaped stator is made of an iron-based material having a high magnetic permeability. It is characterized by being formed using a material. [Fifth Means] An electric wheel according to the present invention is, in the first means, (A) a rechargeable secondary battery as a power source for exciting a primary winding as a linear motor, and (B). A power converter for converting current power from the secondary battery to AC power, and (C) an arithmetic controller for controlling the power supply required to input torque and speed of a wheel from a sensor to obtain rotational force. It is characterized by having. [Sixth Means] In the electric wheel according to the present invention, in the first means, the second means or the third means, (A) a conductive material and a permanent magnet are used on the stator side, (B) A winding is provided on the side of the mover, and a contactor for supplying power to the mover winding is provided.
【０００５】従って次のように作用する。 １．車輪に円板状リニアモータを組み込むことにより、
従来のクランク軸部に電動機を設置する方式に比べ、 （１）クランク軸周辺の構成部材の小型化が可能にな
る。Therefore, it operates as follows. 1. By incorporating a disk-shaped linear motor in the wheel,
Compared to the conventional method of installing an electric motor on the crankshaft, (1) it is possible to downsize the components around the crankshaft.
【０００６】（２）機械系伝達機構を介さず車輪を直接
駆動できるので電動機出力をロス無く伝達することがで
きる。 ２．円板状の固定子とこれに対面する移動子によりエン
ドレス構造のリニアモータとなり、電気出力が有効に電
動力に変換される。 ３．第１の手段〜第５の手段の発明については、１式の
固定子に対し、両対面に２式の移動子を設けたことによ
り、固定子の発生磁界を低ロスで活用することができ
る。(2) Since the wheels can be directly driven without passing through the mechanical system transmission mechanism, the motor output can be transmitted without loss. 2. The disk-shaped stator and the moving element facing the disk-shaped stator form an endless linear motor, and the electric output is effectively converted into electric force. 3. With respect to the inventions of the first to fifth means, the magnetic field generated by the stator can be utilized with low loss by providing the two types of movers on both facing surfaces with respect to the one set of stators. .
【０００７】[0007]
【発明の実施の形態】本発明の実施例の形態を図１〜図
５に示す。図１は本発明に係る電動車輪の構成を示す。
図２は、電動機構成は図１と同様であるが、図１の一体
板形状車輪の外周部をスポーク構造１５とした例を示
す。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention are shown in FIGS. FIG. 1 shows the configuration of an electric wheel according to the present invention.
FIG. 2 shows an example in which the motor configuration is the same as that of FIG. 1, but the outer peripheral portion of the integrated plate-shaped wheel of FIG.
【０００８】図１及び図２に示すように、車軸１に対し
垂直に円板状の固定子３が取り付けられており、固定子
３を両側面から挟み込む形で、移動子４が、ベアリング
２を介して取り付けられた車輪６の内部に配設されてい
る。As shown in FIGS. 1 and 2, a disk-shaped stator 3 is mounted perpendicularly to the axle 1, and the stator 3 is sandwiched from both sides so that the mover 4 and the bearing 2 It is arranged inside the wheel 6 attached via the.
【０００９】固定子３の円板面にリニアモータとしての
１次巻線７を施したものに通電し、車輪６の回転方向に
移動磁界を発生させることにより、固定子３と移動子４
の双互力として発生する移動子４の回転方向の力は、車
輪６、及びタイヤ５の回転力となる。The stator 3 and the mover 4 are moved by energizing the disk having the primary winding 7 as a linear motor on the disk surface of the stator 3 to generate a moving magnetic field in the rotating direction of the wheel 6.
The force in the rotational direction of the moving element 4 that is generated as a bi-directional force of the above becomes the rotational force of the wheel 6 and the tire 5.
【００１０】図３は、本発明の係る電動機構成を簡潔に
示したものである。リニアモータの電機子巻線７を円板
状の固定子３の両面に配設する。本発明では、通常のリ
ニアモータの直線方向への巻線を、固定車軸１を中心と
する円状になるように配設し、最初の巻線と、最後の巻
線が連続した配置となるように、巻線ピッチを定める。
すなわち、 ３６０°／ｎ（単相の場合）、 ３６０°／３ｎ（３相の場合）、 ただし、ｎは所定の整数、そして、固定子３の両面に対
向して移動子４を配設する。FIG. 3 is a schematic diagram showing the configuration of the electric motor according to the present invention. The armature windings 7 of the linear motor are arranged on both sides of the disk-shaped stator 3. In the present invention, the windings of the normal linear motor in the linear direction are arranged so as to form a circle around the fixed axle 1, and the first winding and the last winding are arranged continuously. Thus, the winding pitch is determined.
That is, 360 ° / n (in the case of a single phase), 360 ° / 3n (in the case of three phases), where n is a predetermined integer, and the mover 4 is arranged facing both surfaces of the stator 3. .
【００１１】図３（Ｂ）には移動子４として、導電性材
料の円板を用いた例を示す。円板状移動子４に発生する
回転力は、これと一体的に成形された車輪６の回転力に
なる。FIG. 3B shows an example in which a disk made of a conductive material is used as the mover 4. The rotational force generated in the disk-shaped moving element 4 becomes the rotational force of the wheel 6 integrally formed with the moving element.
【００１２】図４は永久磁石８を移動子側に取り付けた
リニア同期モータ型（ブラシレス）の構成を示す。三角
柱形状の電機子鉄心９を電機子巻線７を収納するための
一定間隔を隔て円周方向に配設し、薄い円板状の非磁性
材料１０で挟み込み固定したものを固定子とし、これを
両側面からギャップ１３を介し対面する形で永久磁石８
および永久磁石保持ヨーク１１を配設する。FIG. 4 shows the structure of a linear synchronous motor type (brushless) in which the permanent magnet 8 is attached to the moving element side. A triangular pole-shaped armature iron core 9 is circumferentially arranged at regular intervals for accommodating the armature winding 7, and is sandwiched and fixed by a thin disk-shaped nonmagnetic material 10 to form a stator. With the permanent magnets 8 facing each other through the gap 13 from both sides.
And the permanent magnet holding yoke 11 is provided.
【００１３】電機子巻線７に交流電流を通電することに
より円板周方向の進行磁界が形成され、これにより永久
磁石８が周方向の駆動力を得る。図４の電機子巻線７は
通常のリニア同期モータ型の巻線配置である６０°重ね
巻きとしているが、進行磁界を得られる巻線配置であれ
ばこの配置方法に限定されることはない。By passing an alternating current through the armature winding 7, a traveling magnetic field in the circumferential direction of the disk is formed, whereby the permanent magnet 8 obtains a driving force in the circumferential direction. Although the armature winding 7 in FIG. 4 is a 60 ° lap winding, which is a normal linear synchronous motor type winding arrangement, it is not limited to this arrangement method as long as the winding arrangement can obtain a traveling magnetic field. .
【００１４】駆動力の一例（計算値）を以下に示す。図
４に示す電動機構成を用い、例えば、直径２６インチの
車輪６と、タイヤ５をトルク１０Ｎｍで回転させようと
する場合、電動機概略仕様は下記となる。An example (calculated value) of the driving force is shown below. Using the electric motor configuration shown in FIG. 4, for example, when trying to rotate the wheel 6 having a diameter of 26 inches and the tire 5 with a torque of 10 Nm, the electric motor outline specifications are as follows.
【００１５】固定子３及び移動子４直径；３３０ｍｍ、 固定子３と移動子４とのギャップ１３；２ｍｍ、 電機子鉄心９の厚み；１０ｍｍ、 永久磁石８の厚み；３ｍｍ、 電機子巻線部７の溝巾；５ｍｍ、 電機子巻線部７の平均電流密度；２Ａ／ｍｍ2 、 電機子鉄心９の個数；１２個。Diameter of stator 3 and mover 4; 330 mm, gap 13 between stator 3 and mover 4; 2 mm, thickness of armature core 9; 10 mm, thickness of permanent magnet 8; 3 mm, armature winding part 7 groove width; 5 mm; average current density of armature winding portion 7; 2 A / mm2 ; number of armature cores 9; 12 pieces.
【００１６】図５に前記電動車輪の駆動システムのブロ
ック図を示す。駆動システムは、電源（電池）２１と、
電力変換器２２と、センサ２４と、演算制御器２３によ
り構成される。FIG. 5 shows a block diagram of the drive system for the electric wheel. The drive system includes a power supply (battery) 21 and
It is composed of a power converter 22, a sensor 24, and an arithmetic controller 23.
【００１７】センサ２４によりトルク、速度などの情報
を検出し、その情報は演算制御器２３に入力される。演
算制御器２３はその情報をもとに、電力変換器２２に対
し、所定の制御量（周波数・電流／時間）を出力する。
電力変換器２２は、電源（電池）から直流電力を供給さ
れ、制御量に見合う交流電力をリニアモータ固定子巻線
７に供給する。Information such as torque and speed is detected by the sensor 24, and the information is input to the arithmetic controller 23. The arithmetic and control unit 23 outputs a predetermined control amount (frequency / current / time) to the power converter 22 based on the information.
The power converter 22 is supplied with DC power from a power supply (battery) and supplies AC power matching the control amount to the linear motor stator winding 7.
【００１８】[0018]
【発明の効果】本発明は前述のように構成されているの
で、以下に記載するような効果を奏する。 １．従来のクランク軸部に電動機を配置する方式に比べ
て、 （ａ）クランク軸部周辺の構成部材の小型化が図れ、人
がペダルを駆動する場合の、人の足との干渉などを無く
することができる。Since the present invention is constructed as described above, it has the following effects. 1. Compared to the conventional method in which an electric motor is arranged on the crankshaft portion, (a) downsizing of the components around the crankshaft portion can be achieved, and when a person drives a pedal, interference with a person's foot is eliminated. be able to.
【００１９】（ｂ）機械系伝達機構を介さず、車輪を直
接駆動するので、伝達ロスが無く、動力伝達効率が上昇
することにより、バッテリの使用時間が長くとれ、一回
の充電での走行距離を伸ばすことができる。 ２．リニアモータの効率の高い新規な電動車輪を得るこ
とができる。(B) Since the wheels are directly driven without passing through the mechanical system transmission mechanism, there is no transmission loss and the power transmission efficiency is increased, so that the battery can be used for a long period of time and the vehicle can be run with a single charge. You can increase the distance. 2. It is possible to obtain a new electric wheel with high efficiency of a linear motor.
【図１】本発明の第１の実施の形態に係る電動車輪の概
略断面図。FIG. 1 is a schematic cross-sectional view of an electric wheel according to a first embodiment of the present invention.
【図２】本発明に係る電動車輪のスポーク部を軽量細径
化した場合の概略断面図。FIG. 2 is a schematic cross-sectional view in the case where the spokes of the electric wheel according to the present invention have a lightweight and thin diameter.
【図３】本発明に係る電動車輪の電動機部構成の説明図
（その１）。FIG. 3 is an explanatory view (No. 1) of the configuration of the electric motor section of the electric wheel according to the present invention.
【図４】本発明に係る電動車輪の電動機部構成の説明図
（その２）。FIG. 4 is an explanatory view (No. 2) of the configuration of the electric motor section of the electric wheel according to the present invention.
【図５】電動車輪の駆動システムのブロック図。FIG. 5 is a block diagram of a drive system for an electric wheel.
【図６】従来の補助動力付自転車の電動機配置位置を示
す図。FIG. 6 is a view showing a position where electric motors are arranged in a conventional bicycle with auxiliary power.
１…車軸、 ２…ベアリング、 ３…固定子、 ４…移動子、 ５…タイヤ、 ６…車輪、 ７…電機子巻線（一次巻線）、 ８…永久磁石、 ９…電機子鉄心、 １０…非磁性材料、 １１…永久磁石保持ヨーク、 １３…ギャップ、 １４…電動機、 １５…スポーク、 １６…信号線、 １７…電力供給線、 ２１…電源（二次電池）、 ２２…電力変換器、 ２３…演算制御器、 ２４…センサ。 DESCRIPTION OF SYMBOLS 1 ... Axle, 2 ... Bearing, 3 ... Stator, 4 ... Mover, 5 ... Tire, 6 ... Wheel, 7 ... Armature winding (primary winding), 8 ... Permanent magnet, 9 ... Armature iron core, 10 ... Non-magnetic material, 11 ... Permanent magnet holding yoke, 13 ... Gap, 14 ... Electric motor, 15 ... Spoke, 16 ... Signal line, 17 ... Power supply line, 21 ... Power supply (secondary battery), 22 ... Power converter, 23 ... Arithmetic controller, 24 ... Sensor.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22413195AJPH0966879A (en) | 1995-08-31 | 1995-08-31 | Motor-driven wheel |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22413195AJPH0966879A (en) | 1995-08-31 | 1995-08-31 | Motor-driven wheel |
| Publication Number | Publication Date |
|---|---|
| JPH0966879Atrue JPH0966879A (en) | 1997-03-11 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22413195AWithdrawnJPH0966879A (en) | 1995-08-31 | 1995-08-31 | Motor-driven wheel |
| Country | Link |
|---|---|
| JP (1) | JPH0966879A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444049A (en)* | 1977-09-13 | 1979-04-07 | Nitto Electric Ind Co | Soup treating method |
| KR100913115B1 (en)* | 2007-11-21 | 2009-08-19 | (주)아진게네시스 | Electric bicycle |
| WO2012131994A1 (en)* | 2011-03-31 | 2012-10-04 | Nakagawa Kazui | Magnetically driven cycle |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5444049A (en)* | 1977-09-13 | 1979-04-07 | Nitto Electric Ind Co | Soup treating method |
| KR100913115B1 (en)* | 2007-11-21 | 2009-08-19 | (주)아진게네시스 | Electric bicycle |
| WO2012131994A1 (en)* | 2011-03-31 | 2012-10-04 | Nakagawa Kazui | Magnetically driven cycle |
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| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination | Free format text:JAPANESE INTERMEDIATE CODE: A300 Effective date:20021105 |