JP2002084696A - Motor - Google Patents
MotorInfo
- Publication number
- JP2002084696A JP2002084696A JP2000270200A JP2000270200A JP2002084696A JP 2002084696 A JP2002084696 A JP 2002084696A JP 2000270200 A JP2000270200 A JP 2000270200A JP 2000270200 A JP2000270200 A JP 2000270200A JP 2002084696 A JP2002084696 A JP 2002084696A
- Authority
- JP
- Japan
- Prior art keywords
- stator core
- electric motor
- slots
- tooth
- stator
- 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
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は電動機に係り、詳し
くは固定子の防振構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor, and more particularly, to a vibration damping structure for a stator.
【0002】[0002]
【従来の技術】図1(a)は、従来の電動機の巻線を巻
装する前の固定子の一例を示す正面図、(b)は側面
図、(c)は背面図、図4は、従来の電動機の固定子の
一例を示す図1(b)のAAに対応する断面図、図5
は、従来の電動機の固定子の一例を示す図4のCCに対
応する要部拡大断面図である。2. Description of the Related Art FIG. 1A is a front view showing an example of a stator before winding a winding of a conventional electric motor, FIG. 1B is a side view, FIG. 1C is a rear view, and FIG. FIG. 5 is a cross-sectional view corresponding to AA in FIG.
FIG. 5 is an enlarged sectional view of a main part corresponding to CC in FIG. 4 showing an example of a stator of a conventional electric motor.
【0003】従来、電動機は、ステータコア1の継鉄部
2の内周に複数の歯部3を設け、各歯部3の両側にスロ
ット4を形成し、少なくとも前記ステータコア1の端面
及び前記スロット4に、相対向する一対のインシュレー
タ5を前記ステータコア1の両端面から装着し、前記ス
ロット4に巻線10を巻装し構成している。Conventionally, an electric motor has a plurality of teeth 3 provided on an inner periphery of a yoke 2 of a stator core 1, and slots 4 are formed on both sides of each tooth 3, and at least an end face of the stator core 1 and the slots 4 are formed. In addition, a pair of insulators 5 facing each other are mounted from both end surfaces of the stator core 1, and a winding 10 is wound around the slot 4.
【0004】しかしながら、前記インシュレータ5の材
質は、PBT、PETなどの熱可塑性樹脂や、エポキシ
粉体を溶着させたもの、フィルムなどがあるが、インシ
ュレータ5としての機能のみでなく接続基板の保持、前
記ステータコア1との結合強度を向上させるため、機械
的強度が強く比較的硬度が高いものが用いられていた。However, the material of the insulator 5 includes a thermoplastic resin such as PBT and PET, a material in which an epoxy powder is welded, a film, and the like. In order to improve the coupling strength with the stator core 1, one having high mechanical strength and relatively high hardness has been used.
【0005】このため、前記ステータコア1とインシュ
レータ5との間での振動の減衰はほとんどない状態で、
振動・騒音を発生するおそれがある問題があった。一
方、この電磁振動を抑えるため、前記ステータコア1と
巻線10の一体モールドする方法、または、ロータにダ
ンパー機能を付加する方法、あるいは、正弦波電流によ
る駆動方法などがあるが、構造的及び制御面で大幅なコ
ストアップを伴う問題があった。Therefore, the vibration between the stator core 1 and the insulator 5 is hardly attenuated.
There is a problem that vibration and noise may occur. On the other hand, in order to suppress the electromagnetic vibration, there are a method of integrally molding the stator core 1 and the winding 10, a method of adding a damper function to the rotor, and a driving method using a sine wave current. However, there was a problem that the cost was greatly increased.
【0006】[0006]
【発明が解決しようとする課題】本発明は、上記従来の
問題点に鑑みなされたもので、固定子の振動・騒音を削
減した電動機を提供することを目的としている。SUMMARY OF THE INVENTION The present invention has been made in consideration of the above-mentioned conventional problems, and has as its object to provide an electric motor in which vibration and noise of a stator are reduced.
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に、ステータコアの継鉄部の内周に複数の歯部を設け、
各歯部の両側にスロットを形成し、少なくとも前記ステ
ータコアの端面及び前記スロットに、相対向する一対の
インシュレータを前記ステータコアの両端面から装着
し、前記スロットに巻線を巻装してなる電動機におい
て、前記インシュレータと前記ステータコアの歯部の各
々の端面の間に、同歯部端面に対応する板状の緩衝部材
を挟着してなるようにする。In order to achieve the above object, a plurality of teeth are provided on an inner periphery of a yoke portion of a stator core.
Slots are formed on both sides of each tooth portion, and a pair of insulators facing each other are mounted on at least the end face and the slot of the stator core from both end faces of the stator core, and a winding is wound around the slot. A plate-like cushioning member corresponding to the end surface of the tooth portion is sandwiched between the end surface of each tooth portion of the insulator and the stator core.
【0008】そして、前記緩衝部材の幅を、前記巻線が
巻装される歯部の幅よりも広くしてなるようにする。[0008] The width of the cushioning member is set to be wider than the width of the tooth portion around which the winding is wound.
【0009】また、前記緩衝部材の材質を、低弾性率の
ゴムとしてなるようにする。Further, the material of the cushioning member is a rubber having a low elastic modulus.
【0010】さらに、前記緩衝部材を、前記ステータコ
アの継鉄部両端面に対応する環状部と一体に設けてなる
ようにする。Further, the buffer member is provided integrally with an annular portion corresponding to both end surfaces of the yoke portion of the stator core.
【0011】[0011]
【発明の実施の形態】発明の実施の形態を実施例に基づ
き添付図面を参照して詳細に説明する。図1(a)は、
本発明による電動機の巻線を巻装する前の固定子の一例
を示す正面図、(b)は側面図、(c)は背面図、図2
は、本発明による電動機の固定子の一実施例を示す図1
(b)のAAに対応する断面図、図3は、本発明による
電動機の固定子の一実施例を示す図2のBBに対応する
要部拡大断面図である。図において、1はステータコ
ア、2は継鉄部、3は歯部、4はスロット、5はインシ
ュレータ、6は緩衝部材、7は環状部、10は巻線を示
す。なお、従来例と同じ部分の符号は同一とする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described in detail based on embodiments with reference to the accompanying drawings. FIG. 1 (a)
FIG. 2 is a front view showing an example of a stator before winding the windings of the electric motor according to the present invention, FIG. 2B is a side view, FIG.
FIG. 1 shows an embodiment of a motor stator according to the present invention.
FIG. 3B is a cross-sectional view corresponding to AA, and FIG. 3 is an enlarged cross-sectional view of a main part corresponding to BB in FIG. 2 showing an embodiment of the stator of the electric motor according to the present invention. In the figure, 1 is a stator core, 2 is a yoke, 3 is a tooth, 4 is a slot, 5 is an insulator, 6 is a buffer member, 7 is an annular portion, and 10 is a winding. The same reference numerals are used for the same parts as in the conventional example.
【0012】本発明による電動機は、ステータコア1の
継鉄部2の内周に複数の歯部3を設け、各歯部3の両側
にスロット4を形成している。そして、前記ステータコ
ア1の端面及び前記スロット4に、相対向する一対の熱
可塑性樹脂等を用いたインシュレータ5を前記ステータ
コア1の両端面から装着している。また、前記スロット
4に巻線10を巻装している。そして、前記歯部3と巻
線10の間に、前記歯部3に対応するインシュレータ5
のコ字状に形成された部分の先端を互いに嵌合して、前
記歯部3の巻線10の巻装部分を覆い、巻線絶縁を行な
っている。In the electric motor according to the present invention, a plurality of teeth 3 are provided on the inner periphery of the yoke 2 of the stator core 1, and slots 4 are formed on both sides of each tooth 3. An insulator 5 using a pair of opposing thermoplastic resins or the like is attached to the end face of the stator core 1 and the slot 4 from both end faces of the stator core 1. A winding 10 is wound around the slot 4. An insulator 5 corresponding to the tooth portion 3 is provided between the tooth portion 3 and the winding 10.
The ends of the U-shaped portions are fitted to each other to cover the wound portion of the winding 10 of the tooth portion 3 to perform winding insulation.
【0013】ここで、前記インシュレータ5と前記ステ
ータコア1の歯部3の各々の端面の間に、同歯部3の端
面に対応する板状の緩衝部材6を挟着し、前記歯部3ま
たは巻線10からの電磁振動の伝達を減衰させている。
また、前記緩衝部材6は、巻線10が巻装される歯部3
の幅よりも広くし、前記電磁振動の直接伝達を減衰させ
ている。さらに前記緩衝部材6の材質は、低弾性率のゴ
ムを用いて前記電磁振動の伝達をより一層減衰させてい
る。Here, a plate-like buffer member 6 corresponding to the end surface of the tooth portion 3 is sandwiched between the insulator 5 and each end surface of the tooth portion 3 of the stator core 1, and the tooth portion 3 or The transmission of electromagnetic vibration from the winding 10 is attenuated.
Further, the cushioning member 6 is provided with the tooth portion 3 around which the winding 10 is wound.
To attenuate the direct transmission of the electromagnetic vibration. Further, the material of the cushioning member 6 further attenuates the transmission of the electromagnetic vibration by using rubber having a low elastic modulus.
【0014】一方、前記緩衝部材6を、前記ステータコ
ア1の継鉄部2両端面に対応する環状部7と一体に設け
ており、この緩衝部材6を、前記インシュレータ5と前
記ステータコア1の歯部3の両端面の間に挟着してい
る。なお、前記緩衝部材6を一体化せずに、前記歯部3
の両端面にのみ添着するか、予め前記インシュレータ5
の内面に装着するようにしてもよい。(図示せず)On the other hand, the cushioning member 6 is provided integrally with the annular portions 7 corresponding to both end surfaces of the yoke portion 2 of the stator core 1, and the cushioning member 6 is provided with the insulator 5 and the tooth portion of the stator core 1. 3 between both end faces. In addition, without integrating the buffer member 6, the tooth portion 3
Of the insulator 5 in advance.
May be attached to the inner surface of the. (Not shown)
【0015】次いで、この実施例の場合の作用、効果に
ついて説明する。前記、緩衝部材6を挟着しているの
で、前記ステータコア1とインシュレータ5との間での
電磁振動の伝達を直接伝達せずに低減させ、電動機の振
動・騒音を削減することができる。Next, the operation and effect of this embodiment will be described. Since the buffer member 6 is sandwiched, the transmission of electromagnetic vibration between the stator core 1 and the insulator 5 can be reduced without directly transmitting the vibration, and vibration and noise of the electric motor can be reduced.
【0016】また、前記緩衝部材の幅を、歯部3の幅よ
りも広くしているので、該歯部3のスロット4に対向す
る部分と前記インシュレータ5の間の前記電磁振動の直
接伝達を削減し電動機の振動・騒音をより一層削減する
ことができる。Further, since the width of the cushioning member is made wider than the width of the teeth 3, direct transmission of the electromagnetic vibration between the portion of the teeth 3 facing the slot 4 and the insulator 5 is achieved. Thus, vibration and noise of the motor can be further reduced.
【0017】さらに、低弾性率のゴムを用いた前記緩衝
部材6であるため、振動源であるステータコア1と前記
インシュレータ5との間の電磁振動の伝達率を低くで
き、より一層電動機の振動・騒音を削減することができ
る。Further, since the cushioning member 6 is made of rubber having a low elastic modulus, the transmission rate of electromagnetic vibration between the stator core 1 as the vibration source and the insulator 5 can be reduced, and the vibration and vibration of the motor can be further reduced. Noise can be reduced.
【0018】一方、前記緩衝部材6を環状部7と一体に
設けているので、組立作業性が向上するとともに電動機
の振動・騒音を削減することができる。On the other hand, since the cushioning member 6 is provided integrally with the annular portion 7, the assembling workability is improved and the vibration and noise of the electric motor can be reduced.
【0019】[0019]
【発明の効果】以上のように本発明においては、ステー
タコアの継鉄部の内周に複数の歯部を設け、各歯部の両
側にスロットを形成し、少なくとも前記ステータコアの
端面及び前記スロットに、相対向する一対のインシュレ
ータを前記ステータコアの両端面から装着し、前記スロ
ットに巻線を巻装してなる電動機において、前記インシ
ュレータと前記ステータコアの歯部の各々の端面の間
に、同歯部端面に対応する板状の緩衝部材を挟着してな
るようにした。この結果、固定子の振動・騒音を削減し
た電動機を提供することができる。As described above, according to the present invention, a plurality of teeth are provided on the inner periphery of the yoke of the stator core, and slots are formed on both sides of each tooth, and at least the end face of the stator core and the slots are formed. A pair of insulators opposed to each other are mounted from both end surfaces of the stator core, and a winding is wound around the slot, wherein the tooth portion is provided between each end face of the insulator and the tooth portion of the stator core. A plate-shaped buffer member corresponding to the end face was sandwiched. As a result, it is possible to provide an electric motor with reduced stator vibration and noise.
【図1】(a)は、本発明及び従来の電動機の巻線を巻
装する前の固定子の一例を示す正面図、(b)は側面
図、(c)は背面図である。1A is a front view showing an example of a stator before winding the windings of the present invention and a conventional electric motor, FIG. 1B is a side view, and FIG. 1C is a rear view.
【図2】本発明による電動機の固定子の一実施例を示す
図1(b)のAAに対応する断面図である。FIG. 2 is a cross-sectional view corresponding to AA of FIG. 1 (b), showing one embodiment of a motor stator according to the present invention.
【図3】本発明による電動機の固定子の一実施例を示す
図2のBBに対応する要部拡大断面図である。FIG. 3 is an enlarged sectional view of a main part corresponding to BB of FIG. 2 showing an embodiment of the stator of the electric motor according to the present invention.
【図4】従来の電動機の固定子の一例を示す図1(b)
のAAに対応する断面図である。FIG. 4B shows an example of a conventional motor stator.
It is sectional drawing corresponding to AA of FIG.
【図5】従来の電動機の固定子の一例を示す図4のCC
に対応する要部拡大断面図である。FIG. 5 shows an example of a stator of a conventional electric motor.
It is a principal part expanded sectional view corresponding to FIG.
1 ステータコア 2 継鉄部 3 歯部 4 スロット 5 インシュレータ 6 緩衝部材 7 環状部 10 巻線 DESCRIPTION OF SYMBOLS 1 Stator core 2 Yoke part 3 Tooth part 4 Slot 5 Insulator 6 Buffer member 7 Annular part 10 Winding
Claims (4)
部を設け、各歯部の両側にスロットを形成し、少なくと
も前記ステータコアの端面及び前記スロットに、相対向
する一対のインシュレータを前記ステータコアの両端面
から装着し、前記スロットに巻線を巻装してなる電動機
において、 前記インシュレータと前記ステータコアの歯部の各々の
端面の間に、同歯部端面に対応する板状の緩衝部材を挟
着してなることを特徴とする電動機。A plurality of teeth are provided on an inner periphery of a yoke portion of a stator core, slots are formed on both sides of each tooth, and a pair of insulators facing each other are provided on at least an end face of the stator core and the slots. An electric motor mounted from both end surfaces of a stator core and wound around the slots, wherein a plate-like buffer member corresponding to the end surface of the tooth portion is provided between the insulator and each end surface of the tooth portion of the stator core. An electric motor characterized by being sandwiched.
れる歯部の幅よりも広くしてなることを特徴とする請求
項1記載の電動機。2. The electric motor according to claim 1, wherein the width of the buffer member is wider than the width of a tooth portion around which the winding is wound.
としてなることを特徴とする請求項1または請求項2記
載の電動機。3. The electric motor according to claim 1, wherein the material of the buffer member is rubber having a low elastic modulus.
鉄部両端面に対応する環状部と一体に設けてなることを
特徴とする請求項1乃至4記載の電動機。4. The electric motor according to claim 1, wherein the buffer member is provided integrally with annular portions corresponding to both end surfaces of the yoke portion of the stator core.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000270200A JP2002084696A (en) | 2000-09-06 | 2000-09-06 | Motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000270200A JP2002084696A (en) | 2000-09-06 | 2000-09-06 | Motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2002084696A true JP2002084696A (en) | 2002-03-22 |
Family
ID=18756675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000270200A Pending JP2002084696A (en) | 2000-09-06 | 2000-09-06 | Motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2002084696A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010200388A (en) * | 2009-02-21 | 2010-09-09 | Mitsubishi Electric Corp | Stator of electric motor |
WO2012090424A1 (en) * | 2010-12-29 | 2012-07-05 | Nidec Corporation | Armature and motor including armature |
-
2000
- 2000-09-06 JP JP2000270200A patent/JP2002084696A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010200388A (en) * | 2009-02-21 | 2010-09-09 | Mitsubishi Electric Corp | Stator of electric motor |
WO2012090424A1 (en) * | 2010-12-29 | 2012-07-05 | Nidec Corporation | Armature and motor including armature |
US9154010B2 (en) | 2010-12-29 | 2015-10-06 | Nidec Corporation | Armature and motor including armature |
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