JPH01252141A - Electric motor - Google Patents
Electric motorInfo
- Publication number
- JPH01252141A JPH01252141A JP7630888A JP7630888A JPH01252141A JP H01252141 A JPH01252141 A JP H01252141A JP 7630888 A JP7630888 A JP 7630888A JP 7630888 A JP7630888 A JP 7630888A JP H01252141 A JPH01252141 A JP H01252141A
- Authority
- JP
- Japan
- Prior art keywords
- stator core
- winding
- openings
- inner diameter
- opening
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000004323 axial length Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、径の小さい鉄心の内径に巻線を施す電動機の
構造に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of an electric motor in which windings are provided on the inner diameter of a small-diameter iron core.
［従来の技術］
径の小さい電動機は、内径側に巻線を施す場合、軸方向
に長くなると容易に巻線が施せなくなる。[Prior Art] When winding a motor with a small diameter on the inner diameter side, it becomes difficult to wind the motor as it becomes longer in the axial direction.
特に、径が小さくなると出力を大きくするために鋼板の
積層量を大きくする必要があり、ますます軸方向に長く
なり巻線を施すことが困難になる。In particular, when the diameter becomes smaller, it is necessary to increase the amount of laminated steel plates in order to increase the output, and the wire becomes longer in the axial direction, making it difficult to wind the wire.
このため、従来、鉄心を径方向に分割して内径側に巻線
を施し、後に分割部分を接合して組立てることが行われ
ている。For this reason, conventionally, the iron core is divided in the radial direction, winding is applied to the inner diameter side, and the divided parts are later joined and assembled.
［発明が解決しようとする問題点］
しかしながら、分割部分を溶接する場合、径が小さくな
ると溶接熱の影響で内径側の巻線を損傷するため、事実
上溶接４合が困難となり、ｍ械的結合を行うことになる
。[Problems to be Solved by the Invention] However, when welding the divided parts, if the diameter becomes small, the winding on the inner diameter side will be damaged due to the influence of welding heat, making welding difficult in practice, and mechanical A combination will be made.
機械的結合は、溶接と異なり、内径側の巻線に障害を発
生することがないものの、軸方向に長い電動機では、内
径側に備えられる回転子との空隙を正確に確保できなく
なるといった問題を生じる。Unlike welding, mechanical coupling does not cause damage to the windings on the inner diameter side, but in electric motors that are long in the axial direction, it poses the problem of not being able to accurately secure the air gap with the rotor provided on the inner diameter side. arise.
本発明は、この様な問題点を解決し、径の小さい軸方向
に長、い構造で容易に製造できる電動機を提供すること
を目的としている。SUMMARY OF THE INVENTION An object of the present invention is to solve these problems and provide an electric motor that has a small diameter, a long structure in the axial direction, and can be easily manufactured.
Ｅ問題点を解決するための手段］
本発明は、帯状の鋼板の一方の辺に大きな開口を（ｊＦ
設して歯部を形成し、この開口の底部に鋼板の他方の辺
の近くまで延設される扇状の切欠を形成し、前記鋼板を
一定長にすると共に積層して固定子鉄心とし、前記歯部
間に巻線を施し、歯部側を内径側として固定子鉄心を円
形に曲げたことによって問題点を解決している。Means for Solving Problem E] The present invention provides a large opening (jF
A fan-shaped notch is formed at the bottom of the opening to extend close to the other side of the steel plate, and the steel plates are made into a certain length and laminated to form a stator core. The problem was solved by winding the stator core between the teeth and bending the stator core into a circular shape with the teeth on the inner diameter side.
［作用コ
固定子鉄心が曲げられるまでは、開口が大きく開いてい
るため、巻線を容易に施すことができ、巻線が施された
後、固定子鉄心を折り曲げて円形にすることによって巻
線が内装された固定子鉄心を形成することができる。[Operation: Until the stator core is bent, the opening is wide open, so winding can be easily applied, and after winding, the stator core is bent to make it circular. It is possible to form a stator core with internal wires.
［実施例］
本発明を図面に示された一実施例に基づいて説明すると
、第１図は、本発明の一実施例による電＼動機の固定子
鉄心の要部斜視図であり、第２図は、その組み立て状態
を示す平面図であり、第３図は、開口の要部を示す図で
ある。[Embodiment] The present invention will be explained based on an embodiment shown in the drawings. Fig. 1 is a perspective view of a main part of a stator core of an electric motor according to an embodiment of the present invention. The figure is a plan view showing the assembled state, and FIG. 3 is a view showing the main parts of the opening.
第１図において、電動機は、帯状の鋼板１の一方の辺２
に開口３が併設されており、開口３は、隣設する開口３
との間に歯部４を形成しており、開口３の底部には、扇
状の切欠５が形成され、この切欠５は、鋼板１の他方の
辺６に近くなるまで切り収られている。In FIG. 1, the electric motor consists of one side 2 of a strip-shaped steel plate 1.
An opening 3 is attached to the opening 3, and the opening 3 is connected to the adjacent opening 3.
A fan-shaped notch 5 is formed at the bottom of the opening 3, and this notch 5 is cut close to the other side 6 of the steel plate 1.
そして、鋼板１は、多数積層されると共に一定の長さに
形成され、固定子鉄心７を形成している。A large number of steel plates 1 are laminated and formed to have a constant length to form a stator core 7.
第２図において、電動機は、固定子鉄心７が歯部４側を
内径側として円形に曲げられており、開口３には、巻線
８が装着されている。In FIG. 2, the stator core 7 of the electric motor is bent into a circular shape with the teeth 4 side facing the inner diameter side, and the winding 8 is attached to the opening 3.
そして、固定子鉄心７は、円形に曲げられる際、扇状の
切欠５が閉じており、その扇状の辺が密着している。When the stator core 7 is bent into a circular shape, the fan-shaped notches 5 are closed and the fan-shaped sides are in close contact with each other.
円形に曲げられた固定子鉄心７は、外側に筒状のフレー
ム９が装着されており、このフレーム９の軸方向端部に
図示されないブラケットが取り付けられると共に図示さ
れない回転子を固定子鉄心７の内径側に備えるように構
成されている。A cylindrical frame 9 is attached to the outside of the circularly bent stator core 7. A bracket (not shown) is attached to the axial end of the frame 9, and a rotor (not shown) is attached to the stator core 7. It is configured to be provided on the inner diameter side.
第３図において、開口３は、底部に扇状の切欠５が形成
されており、切欠５の一方は、鋼板１の他方の辺６に近
い位置まで切り取られている。In FIG. 3, the opening 3 has a fan-shaped notch 5 formed at its bottom, and one of the notches 5 is cut out to a position close to the other side 6 of the steel plate 1.
この様な構成において、電動機は、鋼板１にプレスワー
クで開口３および切欠５を形成して積層し°、固定子鉄
心７を形成する。In such a configuration, the electric motor is constructed by forming the openings 3 and notches 5 in the steel plates 1 by press work and laminating them to form the stator core 7.
そして、開口３に巻線を施してから、固定子鉄心７を歯
部４を内径側として円形に曲げる。Then, after winding is applied to the opening 3, the stator core 7 is bent into a circle with the teeth 4 on the inner diameter side.
この際、固定子鉄心７は、鋼板１の他方の辺６に近い位
置まで切り取られな切欠５が形成されているため、容易
に曲げることができる。At this time, the stator core 7 can be easily bent because the notch 5 is formed to a position close to the other side 6 of the steel plate 1.
さらに、切欠５は、固定子鉄心７が曲げられる ｌこと
により、扇状の切欠５の辺が密着することになり、電動
機として完成した時に磁気抵抗が少なくなるように完成
する。Furthermore, the notches 5 are formed by bending the stator core 7, so that the sides of the fan-shaped notches 5 come into close contact with each other, so that when the electric motor is completed, the magnetic resistance is reduced.
円形に曲げられた固定子鉄心７は、筒状のフレーム９に
挿入することによって円形が保持される。The circularly bent stator core 7 is maintained in its circular shape by being inserted into the cylindrical frame 9.
また、巻線８は、固定子鉄心７が円形に曲げられる前の
工程で装着されるため、開口３が大きく開口しており、
しかも、平面状の固定子鉄心７に装着するため、軸方向
の長さと無関係に装着できる。In addition, since the winding 8 is installed in the process before the stator core 7 is bent into a circular shape, the opening 3 is large.
Moreover, since it is attached to the planar stator core 7, it can be attached regardless of the length in the axial direction.
さらに、固定子鉄心７を円形に曲げた結果、極めて内径
の小さい電動機となった場合でも、巻線８の装着とは無
関係のなめ、軸方向の長さと共に内径とは無関係に巻線
が施せることになる。Furthermore, even if the stator core 7 is bent into a circular shape, resulting in a motor with an extremely small inner diameter, the winding can be wound independently of the installation of the winding 8 and the inner diameter as well as the axial length. It turns out.
［発明の効果］
本発明によれば、軸方向の長さ及び内径に無関係に巻線
が施せるため、径の小さい出力の大きい電動機を得るこ
とができ、その効果は極めて大きいものである。[Effects of the Invention] According to the present invention, since the winding can be applied regardless of the axial length and the inner diameter, it is possible to obtain a motor with a small diameter and a large output, and the effect is extremely large.
第１図は、本発明の一実施例による電動機の固定子鉄心
の要部斜視図であり、第２図は、その組み立て状態を示
す平面図であり、第３図は、開口の要部を示す図である
。
１・・・鋼板、 ２・・・一方の辺、 ３・・・開口、
４・・・歯部、 ５・・・切欠、 ６・・・他方の辺
、 ７・・・固定子鉄心、 ８・・・巻線。FIG. 1 is a perspective view of a main part of a stator core of an electric motor according to an embodiment of the present invention, FIG. 2 is a plan view showing its assembled state, and FIG. 3 is a main part of an opening. FIG. 1... Steel plate, 2... One side, 3... Opening,
4... Teeth, 5... Notch, 6... Other side, 7... Stator core, 8... Winding.
Claims (1)
部４を形成し、この開口３の底部に鋼板１の他方の辺６
の近くまで延設される扇状の切欠５を形成し、前記鋼板
１を一定長にすると共に積層して固定子鉄心７とし、前
記歯部４間に巻線８を施し、歯部４側を内径側として固
定子鉄心７を円形に曲げたことを特徴とする電動機。A large opening 3 is provided on one side 2 of the strip-shaped steel plate 1 to form a toothed portion 4, and the other side 6 of the steel plate 1 is provided at the bottom of this opening 3.
A fan-shaped notch 5 is formed that extends close to the steel plate 1, and the steel plates 1 are made into a certain length and laminated to form a stator core 7. A winding 8 is provided between the teeth 4, and the teeth 4 side is An electric motor characterized in that a stator core 7 is bent into a circular shape on the inner diameter side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7630888A JPH01252141A (en) | 1988-03-31 | 1988-03-31 | Electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7630888A JPH01252141A (en) | 1988-03-31 | 1988-03-31 | Electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01252141A true JPH01252141A (en) | 1989-10-06 |
Family
ID=13601743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7630888A Pending JPH01252141A (en) | 1988-03-31 | 1988-03-31 | Electric motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01252141A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0567178U (en) * | 1992-01-31 | 1993-09-03 | 黒田精工株式会社 | Wound type stator core strip material |
| JPH09163690A (en) * | 1995-12-05 | 1997-06-20 | Sanyo Denki Co Ltd | Stator for electric rotating machine and its manufacture |
| JPH09191588A (en) * | 1995-11-02 | 1997-07-22 | Mitsubishi Electric Corp | Rotating electric apparatus |
| EP0652622A3 (en) * | 1993-11-08 | 1998-08-26 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| JPH10322943A (en) * | 1997-05-21 | 1998-12-04 | Shibaura Eng Works Co Ltd | Motor stator |
| JPH11299134A (en) * | 1998-04-15 | 1999-10-29 | Shibaura Mechatronics Corp | Stator core |
| JP2000134900A (en) * | 1998-10-28 | 2000-05-12 | Mitsubishi Electric Corp | Recorder/reproducer |
| US6121711A (en) * | 1993-11-08 | 2000-09-19 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| US6226856B1 (en) * | 1996-09-30 | 2001-05-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing cores for rotary electric machines |
| US6237213B1 (en) * | 1997-12-24 | 2001-05-29 | Staubli Faverges | Process of manufacturing an electrical rotating actuator such as for use in weaving looms and weaving systems |
| JP2001245446A (en) * | 1999-12-24 | 2001-09-07 | Mitsubishi Electric Corp | Ac generator |
| JP2002305848A (en) * | 2002-04-01 | 2002-10-18 | Sanyo Denki Co Ltd | Stator for rotating electric machine |
| JP2003329486A (en) * | 2002-05-16 | 2003-11-19 | Mitsubishi Electric Corp | Turning angle detector |
| US6876118B2 (en) | 2002-02-19 | 2005-04-05 | Hitachi, Ltd. | Abduction-type motor and fabrication method of motor stator thereof |
| US7600311B2 (en) | 2000-01-20 | 2009-10-13 | Robert Bosch Gmbh | Method for producing a magnetically excitable core comprising a core winding for an electric machine |
-
1988
- 1988-03-31 JP JP7630888A patent/JPH01252141A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362553B1 (en) | 1989-11-08 | 2002-03-26 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core production method thereof |
| JPH0567178U (en) * | 1992-01-31 | 1993-09-03 | 黒田精工株式会社 | Wound type stator core strip material |
| EP0652622A3 (en) * | 1993-11-08 | 1998-08-26 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| EP1035634A3 (en) * | 1993-11-08 | 2002-02-13 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| EP1411618A3 (en) * | 1993-11-08 | 2005-03-02 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| US6121711A (en) * | 1993-11-08 | 2000-09-19 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| US6167610B1 (en) | 1993-11-08 | 2001-01-02 | Mitsubishi Denki Kabushiki Kaisha | Method of making a rotary motor |
| EP1035631A3 (en) * | 1993-11-08 | 2002-02-13 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| US6323571B1 (en) | 1993-11-08 | 2001-11-27 | Mitsubishi Denki Kabushiki Kaisha | Rotary motor and production method thereof, and laminated core and production method thereof |
| JPH09191588A (en) * | 1995-11-02 | 1997-07-22 | Mitsubishi Electric Corp | Rotating electric apparatus |
| JPH09163690A (en) * | 1995-12-05 | 1997-06-20 | Sanyo Denki Co Ltd | Stator for electric rotating machine and its manufacture |
| US6226856B1 (en) * | 1996-09-30 | 2001-05-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing cores for rotary electric machines |
| JPH10322943A (en) * | 1997-05-21 | 1998-12-04 | Shibaura Eng Works Co Ltd | Motor stator |
| US6237213B1 (en) * | 1997-12-24 | 2001-05-29 | Staubli Faverges | Process of manufacturing an electrical rotating actuator such as for use in weaving looms and weaving systems |
| US6534892B2 (en) * | 1997-12-24 | 2003-03-18 | Dominique Braun | Electrical rotating actuator for forming a shed in a weaving loom |
| JPH11299134A (en) * | 1998-04-15 | 1999-10-29 | Shibaura Mechatronics Corp | Stator core |
| JP2000134900A (en) * | 1998-10-28 | 2000-05-12 | Mitsubishi Electric Corp | Recorder/reproducer |
| JP2001245446A (en) * | 1999-12-24 | 2001-09-07 | Mitsubishi Electric Corp | Ac generator |
| US6894414B1 (en) | 1999-12-24 | 2005-05-17 | Mitsubishi Denki Kabushiki Kaisha | Alternator |
| US7600311B2 (en) | 2000-01-20 | 2009-10-13 | Robert Bosch Gmbh | Method for producing a magnetically excitable core comprising a core winding for an electric machine |
| US6876118B2 (en) | 2002-02-19 | 2005-04-05 | Hitachi, Ltd. | Abduction-type motor and fabrication method of motor stator thereof |
| JP2002305848A (en) * | 2002-04-01 | 2002-10-18 | Sanyo Denki Co Ltd | Stator for rotating electric machine |
| JP2003329486A (en) * | 2002-05-16 | 2003-11-19 | Mitsubishi Electric Corp | Turning angle detector |
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